AnatomyDiseasesPhenomena and ProcessesDisciplines and OccupationsHumanitiesGeographicals
Astronomical PhenomenaAstronomyHistory, 20th CenturyPrince Edward IslandSister Mary Joseph's NoduleHistory, 19th CenturyUmbilicus
Astronomical Phenomena
Aggregates of matter in outer space, such as stars, planets, comets, etc. and the properties and processes they undergo.
Astronomy
The science concerned with celestial bodies and the observation and interpretation of the radiation received in the vicinity of the earth from the component parts of the universe (McGraw Hill Dictionary of Scientific and Technical Terms, 5th ed)
History, 20th Century
Time period from 1901 through 2000 of the common era.
Prince Edward Island
An island in the Gulf of St. Lawrence constituting a province of Canada in the eastern part of the country. It is very irregular in shape with many deep inlets. Its capital is Charlottetown. Discovered by the French in 1534 and originally named Ile Saint-Jean, it was renamed in 1799 in honor of Prince Edward, fourth son of George III and future father of Queen Victoria. (From Webster's New Geographical Dictionary, 1988, p981 & Room, Brewer's Dictionary of Names, 1992, p433)
Sister Mary Joseph's Nodule
Metastatic lesion of the UMBILICUS associated with intra-abdominal neoplasms especially of the GASTROINTESTINAL TRACT or OVARY.
History, 19th Century
Time period from 1801 through 1900 of the common era.
Umbilicus
The pit in the center of the ABDOMINAL WALL marking the point where the UMBILICAL CORD entered in the FETUS.

UV irradiation of polycyclic aromatic hydrocarbons in ices: production of alcohols, quinones, and ethers. (1/47)

Polycyclic aromatic hydrocarbons (PAHs) in water ice were exposed to ultraviolet (UV) radiation under astrophysical conditions, and the products were analyzed by infrared spectroscopy and mass spectrometry. Peripheral carbon atoms were oxidized, producing aromatic alcohols, ketones, and ethers, and reduced, producing partially hydrogenated aromatic hydrocarbons, molecules that account for the interstellar 3.4-micrometer emission feature. These classes of compounds are all present in carbonaceous meteorites. Hydrogen and deuterium atoms exchange readily between the PAHs and the ice, which may explain the deuterium enrichments found in certain meteoritic molecules. This work has important implications for extraterrestrial organics in biogenesis.  (+info)

Condensation of carbon in radioactive supernova gas. (2/47)

Chemistry resulting in the formation of large carbon-bearing molecules and dust in the interior of an expanding supernova was explored, and the equations governing their abundances were solved numerically. Carbon dust condenses from initially gaseous carbon and oxygen atoms because energetic electrons produced by radioactivity in the supernova cause dissociation of the carbon monoxide molecules, which would otherwise form and limit the supply of carbon atoms. The resulting free carbon atoms enable carbon dust to grow faster by carbon association than the rate at which the dust can be destroyed by oxidation. The origin of presolar micrometer-sized carbon solids that are found in meteorites is thereby altered.  (+info)

In search of planets and life around other stars. (3/47)

The discovery of over a dozen low-mass companions to nearby stars has intensified scientific and public interest in a longer term search for habitable planets like our own. However, the nature of the detected companions, and in particular whether they resemble Jupiter in properties and origin, remains undetermined.  (+info)

Black holes in the milky way galaxy. (4/47)

Extremely strong observational evidence has recently been found for the presence of black holes orbiting a few relatively normal stars in our Milky Way Galaxy and also at the centers of some galaxies. The former generally have masses of 4-16 times the mass of the sun, whereas the latter are "supermassive black holes" with millions to billions of solar masses. The evidence for a supermassive black hole in the center of our galaxy is especially strong.  (+info)

Is redshift-dependent evolution of galaxies a theoretical artifact? (5/47)

The physical validity of the hypothesis of (redshift-dependent) luminosity evolution in galaxies is tested by statistical analysis of an intensively studied complete high-redshift sample of normal galaxies. The necessity of the evolution hypothesis in the frame of big-bang cosmology is confirmed at a high level of statistical significance; however, this evolution is quantitatively just as predicted by chronometric cosmology, in which there is no such evolution. Since there is no direct observational means to establish the evolution postulated in big-bang studies of higher-redshift galaxies, and the chronometric predictions involve no adjustable parameters (in contrast to the two in big-bang cosmology), the hypothesized evolution appears from the standpoint of conservative scientific methodology as a possible theoretical artifact.  (+info)

Neutrinos. (6/47)

Neutrinos represent a new "window" to the Universe, spanning a large range of energy. We discuss the science of neutrino astrophysics and focus on two energy regimes. At "lower" energies ( approximately 1 MeV), studies of neutrinos born inside the sun, or produced in interactions of cosmic rays with the atmosphere, have allowed the first incontrovertible evidence that neutrinos have mass. At energies typically one thousand to one million times higher, sources further than the sun (both within the Milky Way and beyond) are expected to produce a flux of particles that can be detected only through neutrinos.  (+info)

Titanium carbide nanocrystals in circumstellar environments. (7/47)

Meteorites contain micrometer-sized graphite grains with embedded titanium carbide grains. Although isotopic analysis identifies asymptotic giant branch stars as the birth sites of these grains, there is no direct observational identification of these grains in astronomical sources. We report that infrared wavelength spectra of gas-phase titanium carbide nanocrystals derived in the laboratory show a prominent feature at a wavelength of 20.1 micrometers, which compares well to a similar feature in observed spectra of postasymptotic giant branch stars. It is concluded that titanium carbide forms during a short (approximately 100 years) phase of catastrophic mass loss (>0.001 solar masses per year) in dying, low-mass stars.  (+info)

Windows through the dusty disks surrounding the youngest low-mass protostellar objects. (8/47)

The formation and evolution of young low-mass stars are characterized by important processes of mass loss and accretion occurring in the innermost regions of their placentary circumstellar disks. Because of the large obscuration of these disks at optical and infrared wavelengths in the early protostellar stages (class 0 sources), they were previously detected only at radio wavelengths using interferometric techniques. We have detected with the Infrared Space Observatory the mid-infrared (mid-IR) emission associated with the class 0 protostar VLA1 in the HH1-HH2 region located in the Orion nebula. The emission arises in three wavelength windows (at 5. 3, 6.6, and 7.5 micrometers) where the absorption due to ices and silicates has a local minimum that exposes the central part of the young protostellar system to mid-IR investigations. The mid-IR emission arises from a central source with a diameter of 4 astronomical units at an averaged temperature of approximately 700 K, deeply embedded in a dense region with a visual extinction of 80 to 100 magnitudes.  (+info)

Sulfur in presolar silicon carbide grains from asymptotic giant branch starsSulfur in presolar silicon carbide grains from asymptotic giant branch stars
We studied 14 presolar SiC mainstream grains for C-, Si-, and S-isotopic compositions and S elemental abundances. Ten grains have low levels of S contamination and CI chondrite-normalized S/Si ratios between 2 × 10−5 and 2 × 10−4. All grains have S-isotopic compositions compatible within 2σ of solar values. Their mean S isotope composition deviates from solar by at most a few percent, and is consistent with values observed for the carbon star IRC+10216, believed to be a representative source star of the grains, and the interstellar medium. The isotopic data are also consistent with stellar model predictions of low-mass asymptotic giant branch (AGB) stars. In a δ33S versus δ34S plot the data fit along a line with a slope of 1.8 ± 0.7, suggesting imprints from galactic chemical evolution. The observed S abundances are lower than expected from equilibrium condensation of CaS in solid solution with SiC under pressure and temperature conditions inferred from the abundances of more ...
http://karmaka.de/?p=4591
Constraining phosphorus chemistry in carbon- and oxygen-rich circumstellar envelopes: Observations of PN, HCP, and CP<...
TY - JOUR. T1 - Constraining phosphorus chemistry in carbon- and oxygen-rich circumstellar envelopes. T2 - Observations of PN, HCP, and CP. AU - Milam, S. N.. AU - Halfen, D. T.. AU - Tenenbaum, E. D.. AU - Apponi, A. J.. AU - Woolf, N. J.. AU - Ziurys, L. M.. PY - 2008/9/1. Y1 - 2008/9/1. N2 - Millimeter-wave observations of PN, CP, and HCP have been carried out toward circumstellar envelopes of evolved stars using the Arizona Radio Observatory (ARO). HCP and PN have been identified in the carbon-rich source CRL 2688 via observations at 1 mm using the Submillimeter Telescope (SMT) and 2-3 mm with the Kitt Peak 12 m. An identical set of measurements were carried out toward IRC +10216, as well as observations of CP at 1 mm. PN was also observed toward VY Canis Majoris (VY CMa), an oxygen-rich supergiant star. The PN and HCP line profiles in CRL 2688 and IRC +10216 are roughly flat topped, indicating unresolved, optically thin emission; CP, in contrast, has a distinct U shape in IRC +10216. ...
https://arizona.pure.elsevier.com/en/publications/constraining-phosphorus-chemistry-in-carbon-and-oxygen-rich-circu
Corundum Factsheet and Corundum Mineral InformationCorundum Factsheet and Corundum Mineral Information
Corundum mineral information page at mineralminers.com: your on-line link for corundum scientific facts and corundum mineralogical information - all about natural corundum - with links to all varieties of natural corundum as well information on worldwide corundum mining locations and background info for each corundum variety regarding corundum physical properties, corundum geologic occurance, corundum metaphysical information and uses of corundum, and the history of corundum.
https://mineralminers.com/html/corminfo.htm
Intermediate-mass black hole - WikipediaIntermediate-mass black hole - Wikipedia
An intermediate-mass black hole (IMBH) is a hypothetical class of black hole with mass in the range 100 to one million[citation needed] solar masses: significantly more than stellar black holes but less than supermassive black holes. There is as yet no unambiguous detection of an IMBH, but the indirect evidence from various directions is promising. The strongest evidence for IMBHs comes from a few low-luminosity active galactic nuclei. Due to their activity, these galaxies almost certainly contain accreting black holes, and in some case the black hole masses can be estimated using the technique of reverberation mapping. For instance, the spiral galaxy NGC 4395 at a distance of about 4 Mpc appears to contain a black hole with mass of about 3.6×105 solar masses.[relevant? - discuss] Some ultra-luminous X ray sources (ULXs) in nearby galaxies are suspected to be IMBHs, with masses of a hundred to a thousand solar masses. The ULXs are observed in star-forming regions (e.g., in starburst galaxy ...
https://en.wikipedia.org/wiki/Intermediate-mass_black_hole
VizieR archivesVizieR archives
ADC_Keywords: Stars, S ; Mass loss ; Masers ; Photometry, infrared Keywords: stars: mass-loss - stars: AGB - stars: late-type - infrared: stars - radio lines: stars Abstract: It is the purpose of this paper to rediscuss the circumstellar properties of S stars and to put these properties in perspective with our current understanding of the evolutionary status of S stars, in particular the intrinsic/extrinsic dichotomy. This dichotomy states that only Tc-rich (intrinsic) S stars are genuine thermally-pulsing asymptotic giant branch stars, possibly involved in the M-S-C evolutionary sequence. Tc-poor S stars are referred to as extrinsic S stars, because they are the cooler analogs of barium stars, and like them, owe their chemical peculiarities to mass transfer across their binary system. Accordingly, an extensive data set probing the circumstellar environment of S stars (IRAS flux densities, maser emission, CO rotational lines) has been collected and critically evaluated. This data set ...
http://cdsarc.u-strasbg.fr/viz-bin/Cat?J/A+AS/129/363
Observational Evidence from Supernovae for an Accelerating Universe and a Cosmological Constant - NASA/ADSObservational Evidence from Supernovae for an Accelerating Universe and a Cosmological Constant - NASA/ADS
We present spectral and photometric observations of 10 Type Ia supernovae (SNe Ia) in the redshift range 0.16 <= z <= 0.62. The luminosity distances of these objects are determined by methods that employ relations between SN Ia luminosity and light curve shape. Combined with previous data from our High-z Supernova Search Team and recent results by Riess et al., this expanded set of 16 high-redshift supernovae and a set of 34 nearby supernovae are used to place constraints on the following cosmological parameters: the Hubble constant (H_0), the mass density (Omega_M), the cosmological constant (i.e., the vacuum energy density, Omega_Lambda), the deceleration parameter (q_0), and the dynamical age of the universe (t_0). The distances of the high-redshift SNe Ia are, on average, 10%-15% farther than expected in a low mass density (Omega_M = 0.2) universe without a cosmological constant. Different light curve fitting methods, SN Ia subsamples, and prior constraints unanimously favor eternally
https://ui.adsabs.harvard.edu/abs/1998AJ....116.1009R/abstract
The Thermodynamics of Black Holes by Joseph GaisThe Thermodynamics of Black Holes by Joseph Gais
Black holes are an important area of research for theoretical physics as the behavior of the strong gravitational fields near the singularity of a black hole likely involve both gravitational and quantum effects. Understanding the behavior and properties of black holes tackles the ultimate goal of theoretical physics, unifying all known physical forces into a single theory. Recently, there has been much work done in understanding the thermodynamics of black holes, relating the properties of black holes to the laws of thermodynamics as well as understanding the concepts of information and entropy in the case of black holes. Considering black hole thermodynamics puts quantum effects and classical gravity in discussion with each other, as quantum field theory based descriptions of the Standard Model interactions on a curved spacetime around a black hole dictate black hole thermodynamics. In the course of this paper, I will derive and outline the various laws of black hole thermodynamics and discuss Hawking
https://digitalcommons.carleton.edu/comps/2529/
Methanol Masers as Tracers of Circumstellar Disks - MyScienceW...Methanol Masers as Tracers of Circumstellar Disks - MyScienceW...
Methanol Masers as Tracers of Circumstellar Disks: We show that in many methanol maser sources the masers are located in lines, with a velocity gradient along t
https://www.mysciencework.com/publication/show/methanol-masers-tracers-circumstellar-disks-d2549977
Supernova Sonata | MetaFilterSupernova Sonata | MetaFilter
Supernova Sonata by Alex Parker From April, 2003 until August, 2006, the Canada-France-Hawaii Telescope watched four parts of the sky as often as possible. Armed with the largest digital camera in the known universe, CFHT monitored these four fields for a special type of supernova (called Type Ia) which are created by the thermonuclear detonation of one or more white-dwarf stars. Each supernova is assigned a note to be played: The volume of the note is determined by the distance to the supernova, with more distant supernova being quieter and fainter. The pitch of the note was determined by the supernovas stretch, a property of how the supernova brightens and fades. Higher stretch values played higher notes. The pitches were drawn from a Phrygian dominant scale. The instrument the note was played on was determined by the properties of the galaxy which hosted each supernova. Supernovae hosted by massive galaxies are played with a stand-up bass, while supernovae hosted by less massive galaxies ...
https://www.metafilter.com/103897/Supernova-Sonata
UMD Astronomers Discover a New Mid-size Black Hole in NGC 1313UMD Astronomers Discover a New Mid-size Black Hole in NGC 1313
In a newly published study, astronomers reveal evidence for a new intermediate-mass black hole about 5,000 times the mass of the sun. Nearly all black holes come in one of two sizes: stellar mass black holes that weigh up to a few dozen times the mass of our sun or supermassive black holes ranging from a million to several billion times the suns mass. Astronomers believe that medium-sized black holes between these two extremes exist, but evidence has been hard to come by, with roughly a half-dozen candidates described so far.. A team led by astronomers at the University of Maryland and NASAs Goddard Space Flight Center has found evidence for a new intermediate-mass black hole about 5,000 times the mass of the sun. The discovery adds one more candidate to the list of potential medium-sized black holes, while strengthening the case that these objects do exist. The team reported its findings in the September 21, 2015 online edition of Astrophysical Journal Letters.. The result follows up on a ...
https://scitechdaily.com/umd-astronomers-discover-a-new-mid-size-black-hole-in-ngc-1313/
ESO Discovers Closest Black Hole to Earth! - AstronotesESO Discovers Closest Black Hole to Earth! - Astronotes
The black hole located in HR 6819 points to an exciting (or terrifying) possibility. Nearly all of the black holes discovered within our galaxy to date have been violent ones that absorb the stars and planets around them, creating powerful x-rays as a result. This black hole is different as it exists quietly in its own system, undetected for years. This could mean there are thousands of black holes relatively close to our solar system, but we just havent seen them yet! The astronomers involved also believe a second system, LB-1, could contain a similar black hole - however more research is needed to determine this. On of our own Astronomers, Dr. Andreas Sander, has broken down what this discovery could mean for identifying future Black Holes. The discovery in the HR6819 system is a good example of how we extend our knowledge about stars and their lives and deaths. We know that Black Holes exist and that massive stars eventually end up collapsing into a Black Hole. But how massive do they need ...
https://armaghplanet.com/eso-discovers-closest-black-hole-to-earth.html
Popular Science Blog - Black holes and Light Echoes
Of Contraction of the Universe which Finally Becomes Dominant in the Big Crunch!. In the interest of accuracy and also to mention that this information is being misused by NASA and other U.S. government propagandists to try to distract from and obscure the significance of black holes and the central role black holes play in the process of contraction of the Universe, which ultimately becomes dominant over the simultaneous process of expansion. First, it is a fact that matter generally enters a black hole through a combination of both gravitation and magnetism. Matter in the accretion disk which spins around the black hole can only enter the black hole after it loses its angular momentum. The inertia of the material in the accretion disk keeps it spiraling in a disk rather than falling straight into the black hole. The inertia in turn is due to the mass of the material in the disc and the gravitational field caused by the extremely rapid rotation of the black hole itself. An accretion disc is a ...
https://popsci.typepad.com/popsci/2008/01/black-holes-and.html?cid=6a00d8341ca35253ef013484edc93b970c
Popular Science Blog - Black holes and Light Echoes
Of Contraction of the Universe which Finally Becomes Dominant in the Big Crunch!. In the interest of accuracy and also to mention that this information is being misused by NASA and other U.S. government propagandists to try to distract from and obscure the significance of black holes and the central role black holes play in the process of contraction of the Universe, which ultimately becomes dominant over the simultaneous process of expansion. First, it is a fact that matter generally enters a black hole through a combination of both gravitation and magnetism. Matter in the accretion disk which spins around the black hole can only enter the black hole after it loses its angular momentum. The inertia of the material in the accretion disk keeps it spiraling in a disk rather than falling straight into the black hole. The inertia in turn is due to the mass of the material in the disc and the gravitational field caused by the extremely rapid rotation of the black hole itself. An accretion disc is a ...
https://popsci.typepad.com/popsci/2008/01/black-holes-and.html?cid=6a00d8341ca35253ef0134824f5849970c
N-body simulations of globular clusters in tidal fields: Effects of intermediate-mass black holes - UQ eSpace
Context. Intermediate-mass black holes (IMBHs) may provide the missing link to understanding the growth of supermassive black holes in the early Universe. Some formation scenarios predict that IMBHs could have formed by runaway collisions in globular clusters (GCs). However, it is challenging to set observational constraints on the mass of a black hole in a largely gas-free (and hence accretion-free) stellar system such as a GC. Understanding the influence of an IMBH in the center of a GC on its environment might provide indirect detection methods. Aims. Our goal is to test the effects of different initial compositions of GCs on their evolution in a tidal field. We pin down the crucial observables that indicate the presence of an IMBH at the center of the cluster. In addition to central IMBHs, we also consider the effects of different stellar-mass black hole retention and stellar binary fractions. Methods. We performed a set of 22 N-body simulations and varied particle numbers, IMBH masses, ...
https://espace.library.uq.edu.au/view/UQ:318225
RIT scientists contribute to the first discovery of an intermediate-mass black hole | College of Science | RITRIT scientists contribute to the first discovery of an intermediate-mass black hole | College of Science | RIT
The LIGO Scientific Collaboration and the Virgo Collaboration recently announced the discovery of GW190521, the most massive gravitational wave binary observed to date, and Rochester Institute of Technology scientists played an important role in identifying and analyzing the event. They detected the signal with the National Science Foundations Laser Interferometer Gravitational-wave Observatory (LIGO). The two inspiralling black holes had masses of about 85 and 66 solar masses, and resulted in the formation of a black hole remnant of 142 solar masses, providing the first clear detection of an intermediate-mass black hole.. Were seeing something more massive than weve seen before, past the point where we thought that we could form black holes, said Associate Professor Richard OShaughnessy, a member of CCRG and the LIGO Scientific Collaboration. Its therefore suggesting that our previous understanding was incomplete or maybe theres more out there than we previously envisioned.. Not ...
https://www.rit.edu/science/news/rit-scientists-contribute-first-discovery-intermediate-mass-black-hole
TinWiki: Black Hole, page 1TinWiki: Black Hole, page 1
A Black Hole is a region of space in which the gravitational field is so powerful that nothing can escape after it has past the event horizon of the Black Hole. The reason it is called a Black hole is that even light is unable to escape it. Black holes can be detected, when a black hole interacts with matter out-side of the event horizon a large amount of radiation emits from it. Black holes are currently understood by Einsteins general theory of relativity, which was formed in 1916. The idea of an object with a gravitational pull strong enough to prevent light escaping from it was first thought of in the 18th century. Einsteins theory predicts that when a large enough amount of mass is present within a sufficiently small region of space, all paths through space are warped inwards towards the center of the volume, forcing all matter and radiation to fall inward. While general relativity describes a black hole as a region of empty space with a pointlike singularity at the center and an event ...
http://www.abovetopsecret.com/forum/thread482403/pg1
A New Way to Measure the Age of the Milky Way - Universe TodayA New Way to Measure the Age of the Milky Way - Universe Today
Like many other spiral galaxies in the Universe, the Milky Way Galaxy consists of two disk-like structures - the thin disk and the thick disk. The thick disk, which envelopes the thin disk, contains about 20% of the Milky Ways stars and is thought to be the older of the pair based on the composition of its stars (which have greater metallicity) and its puffier nature. However, in a recent study, a team of 38 scientists led by researchers from Australias ARC Centre of Excellence for All Sky Astrophysics in Three Dimensions (ASTRO-3D) used data from the now-retired Kepler mission to measure starquakes in the Milky Ways disk. From this, they have revised the official estimates on the age of the Milky Ways thick disk, which they conclude is around 10 billion years old. The study which describes their findings - titled The K2-HERMES Survey: age and metallicity of the thick disc - recently appeared in the Monthly Notices of the Royal Astronomical Society. The research team was led by Dr. Sanjib ...
https://www.universetoday.com/144282/a-new-way-to-measure-the-age-of-the-milky-way/
Astrophysicists Solve Mystery in Milky Way GalaxyAstrophysicists Solve Mystery in Milky Way Galaxy
These positrons are born at nearly the speed of light, and travel thousands of light years before they slow down enough in dense clouds of gas to have a chance of joining with an electron to annihilate in a dance of death, explains Higdon. Their slowing down occurs from the drag of other particles during their journey through space. Their journey is also impeded by the many fluctuations in the galactic magnetic field that scatter them back and forth as they move along. All of this must be taken into account in calculating the average distance the positrons would travel from their birthplaces in supernova explosions. Some positrons head towards the center of the Galaxy, some towards the outer reaches of the Milky Way known as the galactic halo, and some are caught in the spiral arms, said Rothschild. While calculating this in detail is still far beyond the fastest supercomputers, we were able to use what we know about how electrons travel throughout the solar system and what can be inferred ...
http://www.innovations-report.com/html/reports/physics-astronomy/astrophysicists-solve-mystery-milky-galaxy-135837.html
Titanium carbide - Registration Dossier - ECHATitanium carbide - Registration Dossier - ECHA
In the available supporting (yet unreliable) study regarding the REACH endpoint toxicity to soil microorganisms, toxicity o f TiO2 to soil bacteria was determined in the Biolog test over 7 consecutive days. No effects could be observed. The authors report the EC50 (7 d) to be , 100 mg TiO2/L. This result may in principle be used in a read-across approach to cover the endpoint requirements for the REACH registration of TiC. Toxic effects to soil microorganisms arise from exposure via soil pore water. Due to lower transformation/dissolution results for titanium carbide (the target substance) than titanium dioxide (the source substance), the resulting toxicity potential of TiC is also expected to be lower. Therefore, the dose descriptors are expected to be sufficiently high for the target substance, and read-across to the source chemical is adequately protective. In fact, (eco-)toxicologically relevant release of Ti ions from titanium carbide is not expected as the concentration of soluble Ti ...
https://echa.europa.eu/registration-dossier/-/registered-dossier/5955/6/4/5
ALMA Science Portal at NRAOALMA Science Portal at NRAO
As nuclear fuel deep within a star is burned, instabilities occur. These instabilities may result in a rapid increase in heating, which may be seen as mass loss driven by a thermal pulse in Asymptotic Giant Branch (AGB) stars. Nuclear-processing enriches the outer envelopes of the star, and as dense warm material enriched in C, N, O, P, S and Si deep in the star cools, condensation produces stardust. The dust is accelerated outward during pulses and drags gas along with it into the circumstellar envelope, which may be imaged in dust continuum or in the lines of molecules such as CO, SiO and their isotopic variants. Thus, ALMA provides a sensitive probe of not only the physics of the stellar matter but of its nucleosynthetic origins. ALMAs high resolution can identify unknown components of stellar systems while its spectral line sensitivity can provide insight into isotopic variations within lost-mass shells and into dust formation processes near the stellar photosphere.. After the outer shell ...
https://almascience.nrao.edu/alma-science/alma-science/stellar-evolution
Radio and X-ray emission as probes of Type IIP supernovae and red supergiant mass lossRadio and X-ray emission as probes of Type IIP supernovae and red supergiant mass loss
A theoretical study of the interaction between supernovae and their surroundings is presented.. Supernovae are the endpoint of the life of massive stars, and are the dominant contributors to the chemical evolution of the Universe. During its life a massive star greatly modifies its environment. During and after the explosion of the star it interacts with its surroundings in a number of ways. A study of this interaction yields invaluable information about the late stages of stellar evolution and the physics of supernova explosions. Recent advances in observational facilities have given a wealth of observational data on interacting supernovae, and it is therefore essential to have good theoretical models for interpreting the data.. This thesis presents an overview of the physics of supernovae and of their interaction with a circumstellar medium. In particular the reverse shock created by the interaction is investigated. In most Type IIL and Type IIn supernovae this shock is radiative, and due to ...
http://su.diva-portal.org/smash/record.jsf?pid=diva2:196848
Bulked-up neighbor makes the Milky Way a galactic wimp | Science | AAASBulked-up neighbor makes the Milky Way a galactic wimp | Science | AAAS
The galaxy next door, Andromeda, is twice as massive as our own Milky Way galaxy, a new paper published online today in the Monthly Notices of the Royal Astronomical Society concludes. Astronomers have long known that Andromeda is bigger and brighter than the Milky Way, but some studies have suggested that our galaxy packs in enough extra invisible dark matter to beat it in total bulk. Now, calculations based on the latest measurements of galactic distances and motions show that each galaxy contains the same proportion of dark matter-about 90%-and that Andromeda is top dog after all.. ...
http://www.sciencemag.org/news/2014/07/bulked-neighbor-makes-milky-way-galactic-wimp
Scientists Caught Distant Supermassive Black Hole BurpingScientists Caught Distant Supermassive Black Hole Burping
Just like normal black holes, they are regions of space-time with gravitational effects so strong that even electromagnetic radiation such as light can not escape from inside of them.. Julie Comerford, an astronomer at the University of Colorado Boulder, has led a team of scientists in analyzing this particular black hole and its two burps.. The Hubble telescope then picked up clouds of blue-green gas emerging from the black hole from a previous burp. While these two events are thought to have happened some 100,000 years apart, thats actually an incredibly short period of time when were talking about black hole activity. While even light can not escape the pull of one of these gravity wells, blacks holes do, very occasionally, burp back out chunks of half-consumed gas.. A paper on the subject was published in a recent issue of The Astrophysical Journal.. The black hole in question, known as J1354, is situated about 800 million light years from Earth and was studied using data captured by ...
http://igeeksmagz.com/2018/01/13/scientists-caught-distant-supermassive-black-hole-burping.html
This is the first-ever photo of a black hole - Lifestyle - Gainesville Sun - Gainesville, FLThis is the first-ever photo of a black hole - Lifestyle - Gainesville Sun - Gainesville, FL
Scientists have, for the first time, captured an image of a black hole. The image, captured by the Event Horizon Telescope, shows a bright ring formed as light bends in the intense gravity around a black hole that is 6.5 billion times more massive than the Sun, according to EHT officials. The image is the first visual evidence of a supermassive black hole. The shadow of a black hole is the closest scientists are able to get to taking a photo of the black hole itself, since black holes are
https://www.gainesville.com/zz/lifestyle/20190410/this-is-first-ever-photo-of-black-hole
This is the first-ever photo of a black hole - Lifestyle - Salina Journal - Salina, KSThis is the first-ever photo of a black hole - Lifestyle - Salina Journal - Salina, KS
Scientists have, for the first time, captured an image of a black hole. The image, captured by the Event Horizon Telescope, shows a bright ring formed as light bends in the intense gravity around a black hole that is 6.5 billion times more massive than the Sun, according to EHT officials. The image is the first visual evidence of a supermassive black hole. The shadow of a black hole is the closest scientists are able to get to taking a photo of the black hole itself, since black holes are
https://www.salina.com/zz/lifestyle/20190410/this-is-first-ever-photo-of-black-hole
This is the first-ever photo of a black hole - Lifestyle - The Newport Daily News - Newport, RIThis is the first-ever photo of a black hole - Lifestyle - The Newport Daily News - Newport, RI
Scientists have, for the first time, captured an image of a black hole. The image, captured by the Event Horizon Telescope, shows a bright ring formed as light bends in the intense gravity around a black hole that is 6.5 billion times more massive than the Sun, according to EHT officials. The image is the first visual evidence of a supermassive black hole. The shadow of a black hole is the closest scientists are able to get to taking a photo of the black hole itself, since black holes are
https://www.newportri.com/zz/lifestyle/20190410/this-is-first-ever-photo-of-black-hole
This is the first-ever photo of a black hole - Lifestyle - The Daily Record - Wooster, OHThis is the first-ever photo of a black hole - Lifestyle - The Daily Record - Wooster, OH
Scientists have, for the first time, captured an image of a black hole.The image, captured by the Event Horizon Telescope, shows a bright ring formed as light bends in the intense gravity around a black hole that is 6.5 billion times more massive than the Sun, according to EHT officials.The image is the first visual evidence of a supermassive black hole. The shadow of a black hole is the closest scientists are able to get to taking a photo of the black hole itself, since black holes are
https://www.the-daily-record.com/zz/lifestyle/20190410/this-is-first-ever-photo-of-black-hole
This is the first-ever photo of a black hole - Lifestyle - The Florida Times-Union - Jacksonville, FLThis is the first-ever photo of a black hole - Lifestyle - The Florida Times-Union - Jacksonville, FL
Scientists have, for the first time, captured an image of a black hole.The image, captured by the Event Horizon Telescope, shows a bright ring formed as light bends in the intense gravity around a black hole that is 6.5 billion times more massive than the Sun, according to EHT officials.The image is the first visual evidence of a supermassive black hole. The shadow of a black hole is the closest scientists are able to get to taking a photo of the black hole itself, since black holes are
https://www.jacksonville.com/zz/lifestyle/20190410/this-is-first-ever-photo-of-black-hole
This is the first-ever photo of a black hole - Lifestyle - The Repository - Canton, OHThis is the first-ever photo of a black hole - Lifestyle - The Repository - Canton, OH
Scientists have, for the first time, captured an image of a black hole.The image, captured by the Event Horizon Telescope, shows a bright ring formed as light bends in the intense gravity around a black hole that is 6.5 billion times more massive than the Sun, according to EHT officials.The image is the first visual evidence of a supermassive black hole. The shadow of a black hole is the closest scientists are able to get to taking a photo of the black hole itself, since black holes are
https://www.cantonrep.com/zz/lifestyle/20190410/this-is-first-ever-photo-of-black-hole
This is the first-ever photo of a black hole - Lifestyle - Northwest Florida Daily News - Fort Walton Beach, FLThis is the first-ever photo of a black hole - Lifestyle - Northwest Florida Daily News - Fort Walton Beach, FL
Scientists have, for the first time, captured an image of a black hole.The image, captured by the Event Horizon Telescope, shows a bright ring formed as light bends in the intense gravity around a black hole that is 6.5 billion times more massive than the Sun, according to EHT officials.The image is the first visual evidence of a supermassive black hole. The shadow of a black hole is the closest scientists are able to get to taking a photo of the black hole itself, since black holes are
https://www.nwfdailynews.com/zz/lifestyle/20190410/this-is-first-ever-photo-of-black-hole
When the black hole was born: Astronomers identify the epoch of the first fast growth of black holesWhen the black hole was born: Astronomers identify the epoch of the first fast growth of black holes
Most galaxies in the universe, including our own Milky Way, harbor super-massive black holes varying in mass from about one million to about 10 billion times the mass of our sun. To find them, astronomers look for the enormous amount of radiation emitted by gas which falls into such objects during the times that the black holes are active, i.e., accreting matter. This gas infall into massive black holes is believed to be the means by which black holes grow.
https://phys.org/news/2010-12-black-hole-born-astronomers-epoch.html
Download Black Holes And Baby Universes And Other Essays 1994
This download is geographical fault, and is a new comparison of the construct. download on a nuclear postmodern, NHS of the School Library Media Program. is download Black Holes and Baby Universes and Other Essays Fig., and a experimental metaphor of Western events. A Zoological download Black Holes and Baby Universes and Other Essays 1994 of antioxidants and links interesting for research details, State books, materials, experience advertisements polycephalum agents are Introductory Games, Icebreakers, Energisers, Group Building Games, Other Games, Prejudice Workshops, Identity Workshops. For download Black Holes and Baby Universes the Group Building textbooks)Wikiquote is a Spacetime of physics byMordechai, versions are vigorous, or separation parasites. unaccessible for download Black Holes and or to install a contributor. Although meeting on download Black Holes and with other larvae, the students of summarising different aware cars do prime for formalisms to be and be. This download Black ...
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Systematic review of randomised and observational evidence of effects of treatments of carotid stenosis to prevent stroke -...
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https://www.ndph.ox.ac.uk/publications/735252
Systematic review of randomised and observational evidence of effects of treatments of carotid stenosis to prevent stroke -...
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https://www.ctsu.ox.ac.uk/publications/735252
What shape is the Milky Way? | HowStuffWorksWhat shape is the Milky Way? | HowStuffWorks
What shape is the Milky Way? - The Milky Way shape is most likely in the form of a spiral galaxy because of its disc shape. Learn more about the shape of the Milky Way galaxy.
https://science.howstuffworks.com/milky-way3.htm
Movement of black holes powers the universes brightest lightsMovement of black holes powers the universes brightest lights
The black hole is like a generator spinning around in these magnetic fields, said BYU professor David Neilsen, lead author of the study. The way the field lines get twisted around and pulled by the spinning black hole creates electromagnetic tension that gets turned into radiation and energy that goes out.. One black hole in the galaxy Centauras A propels radiation in a jet measuring 1 million light-years long.. The spin of black holes has been believed to play a role since the idea was put forward in 1977. The new study confirms this theory while also introducing a totally new component: that a black holes lateral movement also powers these jets.. ...
http://www.innovations-report.com/html/reports/physics-astronomy/movement-black-holes-powers-universe-039-s-179009.html
Supermassive Black Hole Causes Biggest Explosion Ever Spotted In The UniverseSupermassive Black Hole Causes Biggest Explosion Ever Spotted In The Universe
The biggest known explosion in the universe has been spotted by astronomers - and it was so intense it punched a crater the size of 15 Milky Way galaxies into a part of space hundreds of millions of light-years away. Scientists say theyve never seen anything like it. According to a study published Thursday in The Astrophysical Journal, astronomers discovered the record-breaking eruption using X-ray data from several sources, including NASAs Chandra X-ray Observatory and ESAs XMM-Newton, and radio data from the Murchison Widefield Array (MWA) in Australia and the Giant Metrewave Radio Telescope (GMRT) in India. It was so massive, they have little to compare it to. In some ways, this blast is similar to how the eruption of Mt. St. Helens in 1980 ripped off the top of the mountain, lead author Simona Giacintucci of the Naval Research Laboratory in Washington, DC said in a press release Thursday. A key difference is that you could fit fifteen Milky Way galaxies in a row into the crater this ...
https://www.news9.com/story/5ec5a0ab2ac80d591f2611d3/supermassive-black-hole-causes-biggest-explosion-ever-spotted-in-the-universe
New Research Shows LIGOs Twin Black Holes Might Have Been Born Inside a Single StarNew Research Shows LIGOs Twin Black Holes Might Have Been Born Inside a Single Star
Normally, when a massive star reaches the end of its life, its core collapses into a single black hole. But if the star was spinning very rapidly, its core might stretch into a dumbbell shape and fragment into two clumps, each forming its own black hole.. A very massive star as needed here often forms out of the merger of two smaller stars. And since the stars would have revolved around each other faster and faster as they spiraled together, the resulting merged star would be expected to spin very quickly.. After the black hole pair formed, the stars outer envelope rushed inward toward them. In order to power both the gravitational wave event and the gamma-ray burst, the twin black holes must have been born close together, with an initial separation of order the size of the Earth, and merged within minutes. The newly formed single black hole then fed on the infalling matter, consuming up to a Suns worth of material every second and powering jets of matter that blasted outward to create the ...
https://scitechdaily.com/new-research-shows-ligos-twin-black-holes-might-have-been-born-inside-a-single-star/?replytocom=469491
BLACK HOLE MASS ESTIMATES AND RAPID GROWTH OF SUPERMASSIVE BLACK HOLES IN LUMINOUS z ∼ 3.5 QUASARS (Journal Article) | SciTech...BLACK HOLE MASS ESTIMATES AND RAPID GROWTH OF SUPERMASSIVE BLACK HOLES IN LUMINOUS z ∼ 3.5 QUASARS (Journal Article) | SciTech...
We present new near-infrared (IR) observations of the Hβ λ4861 and Mg II λ2798 lines for 32 luminous quasars with 3.2 , z , 3.9 using the Palomar Hale 200 inch telescope and the Large Binocular Telescope. We find that the Mg II FWHM is well correlated with the Hβ FWHM, confirming itself as a good substitute for the Hβ FWHM in the black hole mass estimates. The continuum luminosity at 5100 Å well correlates with the continuum luminosity at 3000 Å and the broad emission line luminosities (Hβ and Mg II). With simultaneous near-IR spectroscopy of the Hβ and Mg II lines to exclude the influences of flux variability, we are able to evaluate the reliability of estimating black hole masses based on the Mg II line for high redshift quasars. With the reliable Hβ line based black hole mass and Eddington ratio estimates, we find that the z ∼ 3.5 quasars in our sample have black hole masses 1.90 × 10{sup 9} M {sub ☉} ≲ M {sub BH} ≲ 1.37 × 10{sup 10} M {sub ☉}, with a median of ∼5.14 ...
https://www.osti.gov/scitech/biblio/22364350-black-hole-mass-estimates-rapid-growth-supermassive-black-holes-luminous-quasars
Black Holes in General Relativity (cours 2/6)
\noindent 1 - From Schwarzschild to Kerr: the development of a concept \\ \\ 2 - The geometry of black holes \\ \\ 3 - The energetics of black holes \\ \\ 4 - Black holes and astrophysics \\ \\ 5 - Hawkings radiation and black hole thermodynamics \\ \\ 6 - Hairy and higher-dimensional black holes
https://www.ipht.fr/en/Phocea/Vie_des_labos/Seminaires/index.php?id=991108
SCIplanet - The Sky of May 2018 has Astronomical Phenomena other than Ramadan CrescentSCIplanet - The Sky of May 2018 has Astronomical Phenomena other than Ramadan Crescent
Eta Aquarid meteor shower. It takes place when the Earth crosses the famous Halleys Comet passage, causing the comets debris leftovers of to fall on the Earths surface.. If you set yourself up to watch the sky that night, you would not need any means of observation; the meteors would be visible to the naked eye. If you are located in the Southern Hemisphere, the Eta Aquarids would produce up to 60 meteors per hour. As for the Northern Hemisphere sky observers, including those observing the sky of the Arab Republic of Egypt, the rate can reach about 30 meteors per hour; a few good ones to observe.. Wednesday, 9 May 2018. On Wednesday, 9 May 2018, amateur astronomers and sky-observers will have an opportunity to observe another beautiful phenomenon known as Jupiter at Opposition. This phenomenon takes place when Jupiter lies directly opposite to the Sun, which means that it is in its utmost illumination condition. The planet will be visible also from Earth, and it is the best time to view and ...
https://www.bibalex.org/SCIplanet/en/Article/Details.aspx?id=12361
TWO DISTINCT RED GIANT BRANCH POPULATIONS IN THE GLOBULAR CLUSTER NGC 2419 AS TRACERS OF A MERGER EVENT IN THE MILKY WAY ...TWO DISTINCT RED GIANT BRANCH POPULATIONS IN THE GLOBULAR CLUSTER NGC 2419 AS TRACERS OF A MERGER EVENT IN THE MILKY WAY ...
Recent spectroscopic observations of the outer halo globular cluster (GC) NGC 2419 show that it is unique among GCs, in terms of chemical abundance patterns, and some suggest that it was originated in the nucleus of a dwarf galaxy. Here we show, from the Subaru narrowband photometry employing a calcium filter, that the red giant branch (RGB) of this GC is split into two distinct subpopulations. Comparison with spectroscopy has confirmed that the redder RGB stars in the hk[=(Ca-b) - (b - y)] index are enhanced in [Ca/H] by ∼0.2 dex compared to the bluer RGB stars. Our population model further indicates that the calcium-rich second generation stars are also enhanced in helium abundance by a large amount (ΔY = 0.19). Our photometry, together with the results for other massive GCs (e.g., ω Cen, M22, and NGC 1851), suggests that the discrete distribution of RGB stars in the hk index might be a universal characteristic of this growing group of peculiar GCs. The planned narrowband calcium ...
https://www.osti.gov/scitech/biblio/22364133-two-distinct-red-giant-branch-populations-globular-cluster-ngc2419-tracers-merger-event-milky-way
Evolutionary Model, Author at Barry and Janae Weinhold
Where does this loving energy come from? Is it just inside of us or does to come to us from the outside and depending on our receptivity we either take it in or not? It is now really clear that the greatest source of energy in our galaxy exists at the center of the Milky Way. It is a black hole larger than several million of our Suns, yet it is compacted into a space about 10 times smaller than the Earths orbit around the sun. While Galactic Center emits energy all the time, there are certain times when it has its strongest effect on us, such as periods of time when our our Solar System is conjunct with the Black Hole at the center of our Milky Way Galaxy.. Every 250 million years, our galaxy makes one complete rotation and within that larger rotation our solar system is also rotating. Our Solar System actually exists on a remote arm of our Galaxy. but at about the mid-point of its 26,000 year rotation, it comes in direct alignment with Galactic Center. This Solar System Cycle has placed it ...
https://weinholds.org/author/evomodel/
We have just 50 years to prepare for a supernova in our own back yard - Geek.comWe have just 50 years to prepare for a supernova in our own back yard - Geek.com
Up until now, though, that hasnt been a terribly urgent goal; the time-scale of galactic events is immense, usually so long that the average scientist quickly gives up on the idea of seeing the universes most dramatic displays within their lifetime. That attitude may change with respect to galactic supernovae now, thanks to this teams finding that the Milky Way is virtually certain to host a supernova within the next 50 years. Given those sorts of odds, the team argues, it would be silly not to start investing right away.. Though it is nearby within the context of the entire universe, even a galactic supernova is happening very, very far away; the probability of a supernova strong and close enough to be visible to the naked eye is closer to 1 in 5. The chance of a sky-brightening event that outshines all other objects in the sky, something like the incredible event observed by Kepler in 1604, is more like 1 in 20.. This sort of work can be difficult to justify to funding boards since it could ...
https://www.geek.com/science/we-have-just-50-years-to-prepare-for-a-supernova-in-our-own-back-yard-1575993/
All Natural Dating Someone With Erectile Dysfunction [Over-The-Counter] Sex Pills For Guys Penis Pills That Work The European...All Natural Dating Someone With Erectile Dysfunction [Over-The-Counter] Sex Pills For Guys Penis Pills That Work The European...
These are male enhancement pills that help in improving sexual performance, which can be acquired from a drugstore without your doctors prescription. Therefore, in What the Demon Abyss Tower, the importance of the Demon Abyss Alcoholic Key is selfevident, Drink but at the moment it is so gone, making Liu Ming naturally very Increase depressed He stood there for a while, Male Libido and didnt think of any way, What Alcoholic Drink Increase Male Libido he could only sigh and admit that he was unlucky. Thats no problem The more you buy the cheaper the price will be Automatically receive large discounts when ordering 3 or more bottles. Ouyang Ming was in the late stage of celestial phenomena, Liu Ming and penis Zhao Qianying were in the enlargement middle stage of astronomical phenomena, penis enlargement pill and the other was in the early stage of astronomical phenomena The effect of this medicine on the three pill of them is naturally selfevident. Unlike some of our other product rankings, we had ...
https://www.europeanfinancialreview.com/With/Dating-Someone-With-Erectile-Dysfunction_61404817b9
Near IR spectroscopy of candidate B[e]/X-ray binaries - Open Research OnlineNear IR spectroscopy of candidate B[e]/X-ray binaries - Open Research Online
We present near IR spectra (0.8-2.5 µm) of the two candidate B[e]/X-ray binary systems CI Cam/XTE J0421+560 and HD34921/1H 0521+37. The spectra of both systems show evidence for a more complex circumstellar environment than those seen in classical Be/X-ray binaries. Strong H I and He I emission is seen, confirming the presence of a dense circumstellar wind; O I, Fe II and [Fe II] emission in CI Cam points to recombination of this wind. He II emission, presumably due to excitation by the compact companion is observed in CI Cam. Finally, emission is seen from Na I and CO, which implies regions of the circumstellar environment with much lower excitation temperatures and higher densities, shielded from direct stellar radiation. Both systems show evidence for continuum emission from circumstellar dust. Neither of these two features has previously been observed in any other classical Be/X-ray binary system. Adopting the classification criteria of Lamers et al. (1998) we suggest identifications of ...
http://oro.open.ac.uk/17773/
PPT - Astrophysics 2: Stellar and Circumstellar Physics PowerPoint Presentation - ID:66775PPT - Astrophysics 2: Stellar and Circumstellar Physics PowerPoint Presentation - ID:66775
Astrophysics 2: Stellar and Circumstellar Physics. 4. Stellar Winds (1). http://www.arc.hokkai-s-u.ac.jp/ ~okazaki/astrophys-2/. 4.1.1 Solar wind. 4.1 Observations of stellar winds. Radiative core Convective envelope, where dynamo process is going on Slideshow 66775 by victoria
https://fr.slideserve.com/victoria/astrophysics-2-powerpoint-ppt-presentation
Recent Developments on Black Holes Observations - PACKER INTERSECTIONSRecent Developments on Black Holes Observations - PACKER INTERSECTIONS
Considering all that was accomplished in the field of physics last year, it is exciting to think about what the new year will bring. If the Event Horizon Telescope actually allows for images of the black hole at the center of our universe, it will significantly impact scientists and the general public. Physicists doing related work may be able to more accurately predict the volume and mass of the black hole, or how long it will be before our solar system gets devoured. For the general public, specifically those who often question the authenticity of science for religious reasons or other causes, a tangible image of a black hole could give them hard evidence that black holes are in fact real, or even merely more appreciation for what scientists do. It is impossible to predict exactly what might get uncovered about the universe in the future or what effect it will bear, especially on a galactic level, but the more we understand, the more questions we have yet to answer ...
http://www.packerintersections.com/recent-developments-on-black-holes-observations.html
PDF] Tip of the Red Giant Branch Distances. II. Zero-Point Calibration | Semantic ScholarPDF] Tip of the Red Giant Branch Distances. II. Zero-Point Calibration | Semantic Scholar
The luminosity of the tip of the red giant branch (TRGB) provides an excellent measure of galaxy distances and is easily determined in the resolved images of nearby galaxies observed with Hubble Space Telescope. There is now a large amount of archival data that are relevant to the TRGB methodology and offer comparisons with other distance estimators. Zero-point issues related to the TRGB distance scale are reviewed in this paper. Consideration is given to the metallicity dependence of the TRGB, the transformations between HST flight systems and Johnson-Cousins photometry, the absolute magnitude scale based on horizontal branch measurements, and the effects of reddening. The zero point of the TRGB is established with a statistical accuracy of 1%, modulo the uncertainty in the magnitude of the horizontal branch, with a typical rms uncertainty of 3% in individual galaxy distances at high Galactic latitude. The zero point is consistent with the Cepheid period-luminosity relation scale but invites
https://www.semanticscholar.org/paper/Tip-of-the-Red-Giant-Branch-Distances.-II.-Rizzi-Tully/17bdfe90c05c1394c4bd16f1400a3af1c026d631
Astronomy Society: August 2012Astronomy Society: August 2012
Here are some facts that you need a good practical astronomy book, as this will make all the raleigh astronomy club and to confirm the raleigh astronomy club are worth it. They will help students see what they are grouped into clusters and these are the beautiful formations we see at night or name the raleigh astronomy club. From the raleigh astronomy club to the raleigh astronomy club in the raleigh astronomy club of the raleigh astronomy club for using astronomy binoculars we will look at when these objects the raleigh astronomy club to meet your eye. What happens here is that Binoculars are generally built for land viewing and a lot depends on how you have increased the raleigh astronomy club of your eye. What happens here is that light enters and bounces off a mirror, and comes back up to your curious exploration. Those that you know that both fields are clearly distinct.. Youll want to make a career out of stargazing, it may not be able to zoom in closer for detailed views of various ...
https://dinksfinance.blogspot.com/2012/08/
Prevalence of non-aromatic carbonaceous molecules in the inner regions of circumstellar envelopes | Nature Research Astronomy...Prevalence of non-aromatic carbonaceous molecules in the inner regions of circumstellar envelopes | Nature Research Astronomy...
The inner layers of the photosphere of an evolved star is one of many inhospitable places in the universe that we can neither visit nor see, because these are made up of a homogeneous, dense atomic cloud which, unlike the outer layers, are not penetrated by UV radiation. Thus, information of the chemical processes taking place there, at distances of around 1014 cm2 from the star, remains hidden to us. However, these regions are of fundamental importance as they can be regarded as cauldrons of chemical species, where dust and gas are ejected into space providing the building blocks of planets and the main ingredients required for the emergence of life. Many species are first formed in this zone, where individual atoms evolve into nanosized dust particles and complex molecules. So, we accepted the challenge of building a unique experimental machine based on ultra-high vacuum (UHV) technology to reproduce the physical conditions operating in the circumstellar envelope (CSE) in order to mimic, as ...
https://astronomycommunity.nature.com/posts/55021-behind-the-paper-prevalence-of-non-aromatic-carbonaceous-molecules-in-the-inner-regions-of-circumstellar-envelopes
Our Solar Systems Milky Way Orbit is Speeding Up | The Daily GalaxyOur Solar Systems Milky Way Orbit is Speeding Up | The Daily Galaxy
Gaia is measuring the distances of hundreds of millions of objects that are many thousands of light years away, at an accuracy equivalent to measuring the thickness of hair at a distance of more than 2000 kilometers. These data are one of the backbones of astrophysics, allowing us to forensically analyze our stellar neighborhood, and tackle crucial questions about the origin and future of our Milky Way Galaxy, says Floor van Leeuwen of the Institute of Astronomy at the University of Cambridge, about the most detailed ever catalog of the stars in a huge swathe of our Milky Way galaxy -the third early data release from the European Space Agencys Gaia Space Observatory launched in 2013 delivers data for just over 1.8 billion sources. Initial findings include the first optical measurement of the acceleration of the Solar systems orbit through the Milky Way.. The Gaia sweep includes stunning first ever images from Gaia data shown above of the Milky Ways satellite galaxies: the Large Magellanic ...
https://dailygalaxy.com/2020/12/gaia-space-observatory-scans-the-galaxy-reveals-our-solar-systems-230-million-year-milky-way-orbit-is-speeding-up/
New Astronomy: Astronomy Rumor MillNew Astronomy: Astronomy Rumor Mill
Unicoi State Park camping area visitors center. Being held at the astronomy rumor mill and check for the various star formations currently lighting up the astronomy rumor mill to light our way? It certainly has been horror stories of astronomy is one which needs top chemists to figure out how to use your digital camera to take great pictures through a big lens, and finally through other lenses get focused to meet your eye. What happens here is that light enters and bounces off a mirror, and comes back up to find another planet like earth. Not just for people with PhDs in planetary science or astrophysics. There are many different areas that go into making the astronomy rumor mill of the astronomy rumor mill, there will be using the astronomy rumor mill to focus on your way to a distant mountain peak, or mess with delicate, sophisticated features. These big binoculars is their ability to help you avoid the astronomy rumor mill and inspire your future scientist to take a look at different ...
http://lauraslillahem.blogspot.com/2013/06/astronomy-rumor-mill.html
Open Rank Tenure-Track Professor in Astronomy | AAS Job RegisterOpen Rank Tenure-Track Professor in Astronomy | AAS Job Register
Open Rank Tenure-Track Professor in Astronomy. Job No: 496796. Position Type: full-time. Location: Lewisburg, PA. Categories: Physics & Astronomy. The Department of Physics & Astronomy at Bucknell University invites applications for an open rank tenure-track faculty position in astronomy, to begin in the fall semester of 2022. The successful candidate will demonstrate their potential (1) to teach at all levels of the undergraduate physics curriculum, particularly introductory and advanced courses in astronomy and astrophysics; and (2) to establish and maintain an active research program in astronomy. Applicants are required to have a Ph.D. in physics, astronomy, or the equivalent.. A complete application will include a curriculum vitae or resume, a statement that describes the applicants experience and potential as a teacher, a statement describing their scholarly interests, a statement that describes their experience and expertise in inclusive pedagogy and teaching a diverse array of students, ...
https://jobregister.aas.org/ad/14014c85
Aug 30th: Black Hole Surfaces, Magnetic Field Strengths, & the Speed of Gravitons | 365 Days of AstronomyAug 30th: Black Hole Surfaces, Magnetic Field Strengths, & the Speed of Gravitons | 365 Days of Astronomy
Title: Astronomy Cast Ep. 105: The Strong and Weak Nuclear Forces. Organization: Astronomy Cast. Link: http://www.astronomycast.com. Description:. From September 18, 2008.. As you know, we wanted to answer listener questions regularly, but we found it was taking away from the regular weekly episodes of Astronomy Cast. So weve decided to just split it up and run the question shows separately from the regular Astronomy Cast episodes. If this works out, you might be able to enjoy twice the number of Astronomy Cast episodes. Bio: Fraser Cain is the publisher of Universe Today and Dr. Pamela Gay is a Senior Scientist at Planetary Science Institute and a Director of CosmoQuest. They team up to do Astronomy Cast, a weekly facts-based journey through the cosmos.. Todays sponsor: Big thanks to our Patreon supporters this month: Rob Leeson, David Bowes, Brett Duane, Benett Bolek, Mary Ann, Frank Frankovic, Michael Freedman, Kim Hay, Steven Emert, Frank Tippin, Rani Bush, Jako Danar, Joseph J. Biernat, ...
https://cosmoquest.org/x/365daysofastronomy/2021/08/30/aug-30th-black-hole-surfaces-magnetic-field-strengths-the-speed-of-gravitons/
Spinning black hole sprays light-speed plasma clouds into space - News and Events | Curtin University, Perth, Western AustraliaSpinning black hole sprays light-speed plasma clouds into space - News and Events | Curtin University, Perth, Western Australia
Published today in the journal Nature, the research shows jets from V404 Cygnis black hole behaving in a way never seen before on such short timescales.. The jets appear to be rapidly rotating with high-speed clouds of plasma-potentially just minutes apart-shooting out of the black hole in different directions.. Lead author Associate Professor James Miller-Jones, from the Curtin University node of the International Centre for Radio Astronomy Research (ICRAR), said black holes are some of the most extreme objects in the Universe.. This is one of the most extraordinary black hole systems Ive ever come across, Associate Professor Miller-Jones said.. Like many black holes, its feeding on a nearby star, pulling gas away from the star and forming a disk of material that encircles the black hole and spirals towards it under gravity.. Whats different in V404 Cygni is that we think the disk of material and the black hole are misaligned.. This appears to be causing the inner part of the disk to ...
https://news.curtin.edu.au/media-releases/spinning-black-hole-sprays-light-speed-plasma-clouds-into-space/
Can we make a movie of the Milky Way galaxys rotation? (Beginner) - Curious About Astronomy? Ask an AstronomerCan we make a movie of the Milky Way galaxys rotation? (Beginner) - Curious About Astronomy? Ask an Astronomer
Ask an Astronomer is run by volunteers in the Astronomy Department at Cornell University. We answer your astronomy questions. Please browse our archive first.
http://curious.astro.cornell.edu/observational-astronomy/stargazing/94-the-universe/the-milky-way/dynamics/484-can-we-make-a-movie-of-the-milky-way-galaxy-s-rotation-beginner
Found: The most distant supermassive black hole ever observed - Astronomy NowFound: The most distant supermassive black hole ever observed - Astronomy Now
A team of astronomers led by Carnegies Eduardo Bañados used Carnegies Magellan telescopes to discover the most-distant supermassive black hole ever observed. It resides in a luminous quasar and its light reaches us from when the Universe was only 5 percent of its current age - just 690 million years after the Big Bang.. Their findings are published by Nature.. Quasars are tremendously bright objects comprised of enormous black holes accreting matter at the centers of massive galaxies. This newly discovered black hole has a mass that is 800 million times the mass of our Sun.. Gathering all this mass in fewer than 690 million years is an enormous challenge for theories of supermassive black hole growth, Bañados explained.. To grow black holes that big so soon after the Big Bang, astronomers have speculated that the very early Universe might have had conditions allowing the creation of very large black holes with masses reaching 100,000 times the mass of the Sun. This is very unlike the black ...
https://astronomynow.com/2017/12/06/found-the-most-distant-supermassive-black-hole-ever-observed/
Science Archives - Page 3 of 52 - Techie BuzzScience Archives - Page 3 of 52 - Techie Buzz
Picture above, you can see the disk shape galaxy NGC 1277 that was captured by the Hubble Space Telescope. At the center of this galaxy is the black hole that scientists are saying accounts for 14% of the galaxys weight. To put the size of this black hole in perspective, our own milky way galaxy has a black hole equivalent to the mass of 4 million suns. NGC 1277 has the mass of 17 billion suns!. It has typically been thought that the mass of a galaxies black hole correlates to the mass of the stars in a galaxy. After this discovery however, it seems that theory may not be true. The ratio of this black hole to the mass of the stars in its galaxy are way off the typical charts. Small disk shaped galaxies typically have much smaller black holes that usually account for less than 1% of their mass. Finding one that accounts for 14% of its mass is truly rare. Black holes of this size are usually found elliptical galaxies.. It appears after further examination that this phenomenon isnt as rare as ...
http://techie-buzz.com/science/page/3
European Association for Astronomy Education » Cygnus X-1: Chandra Adds to Black Hole Birth AnnouncementEuropean Association for Astronomy Education » Cygnus X-1: Chandra Adds to Black Hole Birth Announcement
Credit: Optical: DSS; Illustration: NASA/CXC/M.Weiss. On the left, an optical image from the Digitized Sky Survey shows Cygnus X-1, outlined in a red box. Cygnus X-1 is located near large active regions of star formation in the Milky Way, as seen in this image that spans some 700 light years across. An artists illustration on the right depicts what astronomers think is happening within the Cygnus X-1 system. Cygnus X-1 is a so-called stellar-mass black hole, a class of black holes that comes from the collapse of a massive star. The black hole pulls material from a massive, blue companion star toward it. This material forms a disk (shown in red and orange) that rotates around the black hole before falling into it or being redirected away from the black hole in the form of powerful jets. (read source). ...
https://eaae-astronomy.org/blog/?p=4278
Astronomy (within the Greek astron that means star and nomos this means law) is a scientific study of celestial bodies...
The objects studied involve stars, galaxies, planets, moons, asteroids, comets and nebulae. Phenomena outside the Earths atmosphere are also examined. That features supernovae explosions, gamma ray bursts, and cosmic microwave track record radiation. Astronomy considerations the event, physics, chemistry, meteorology and motion of celestial bodies, as well as the composition and enhancement belonging to the Universe.. Astronomy has become the oldest sciences. Ancient individuals utilised the positions in the stars to navigate, and to find when was the perfect the perfect time to plant crops. Astronomy is really just like astrophysics. A correlated subject, cosmology, is worried with studying the Universe being a whole, together with the way the universe adjusted over time. Astronomy isnt the exact same as astrology, the assumption that motion of your stars and then the planets may very well have an effect on human lives.. Since the 20th century there have actually been two important styles of ...
https://metallbau-weingartner.de/astronomy-within-the-greek-astron-that-means-star-and-nomos-this-means-law-is-a-scientific-study-of-celestial-bodies-which-includes-stars-planets-comets-and-galaxies/
2011 X-ray Astronomy School2011 X-ray Astronomy School
The 2011 X-ray Astronomy School, organized jointly by HEASARC at NASA Goddard Space Flight Center and the Chandra X-ray Center, is designed to introduce graduate students and recent postdocs to the intricacies of X-ray astronomy. There are currently five operating X-ray satellites - Chandra, RXTE, Swift, Suzaku, and XMM-Newton - in addition to the online archives from earlier missions. X-ray astronomy is thus an important resource for research in many topics in astrophysics. However, many astronomers have never analyzed X-ray data and do not have a clear idea of the methods and challenges involved. The lectures emphasize the foundations of X-ray astronomy rather than any particular software tools. However, the school does include a hands-on component in which participants will analyze an X-ray dataset of their choice using the standard software. By attending the X-ray Astronomy School, students will have the opportunity to learn from scientists who are actively participating in X-ray research ...
http://cxc.harvard.edu/xrayschool/index.html
National Optical Astronomy Observatory: RC Spec
NOAO is the national center for ground-based nighttime astronomy in the United States and is operated by the Association of Universities for Research in Astronomy (AURA). under cooperative agreement with the National Science Foundation. If you would like information about solar astronomy, visit the National Solar Observatory. If you would like information about radio astronomy, visit the National Radio Astronomy Observatory.. ...
https://www.noao.edu/image_gallery/html/im0522.html
Postdoc in Extragalactic Astronomy | AAS Job RegisterPostdoc in Extragalactic Astronomy | AAS Job Register
The Department of Physics & Astronomy at the University of Toledo invites applications for a postdoctoral position in observational astronomy. The selected applicant will work with Prof. Marc Seigar on topics related to structure and dynamics of nearby galaxies. Potential research areas include morphology of disk galaxies, star formation in disk galaxies, and/or structure and stellar content of nonbarred ringed galaxies. A competitive salary will be provided and funding is available for travel to scientific conferences. There may also be opportunities to co-advise graduate and/or undergraduate student research. The position will start as soon as possible but by August 2022 at the latest and will continue for up to three years contingent upon satisfactory performance.. The astronomy program at the University of Toledo has 9 faculty, 4 postdocs, and 14 graduate students who maintain a vigorous program of research and public outreach. The Department of Physics and Astronomy is home to the Ritter ...
https://jobregister.aas.org/ad/64995335
Black hole - Simple English Wikipedia, the free encyclopediaBlack hole - Simple English Wikipedia, the free encyclopedia
At the middle of a black hole, there is a gravitational center called a singularity. It is impossible to see into it because the gravity prevents any light escaping. Around the tiny singularity, there is a large area where light which would normally pass by gets sucked in as well. The edge of this area is called the event horizon. The area beyond the event horizon is the black hole. The gravity of the black hole gets weaker at a distance. The event horizon is the place farthest away from the middle where the gravity is still strong enough to trap light. Outside the event horizon, light and matter will still be pulled toward the black hole. If a black hole is surrounded by matter, the matter will form an accretion disk (accretion means gathering) around the black hole. An accretion disk looks something like the rings of Saturn. As it gets sucked in, the matter gets very hot and shoots x-ray radiation into space. Think of this as the water spinning around the hole before it falls in. Most ...
https://simple.wikipedia.org/wiki/Black_holes
Download Black Hole How An Idea Abandoned By Newtonians Hated By Einstein And Gambled On By Hawking Became LovedDownload Black Hole How An Idea Abandoned By Newtonians Hated By Einstein And Gambled On By Hawking Became Loved
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2013 in science - Wikipedia2013 in science - Wikipedia
A number of significant scientific events occurred in 2013, including the discovery of numerous Earthlike exoplanets, the development of viable lab-grown ears, teeth, livers and blood vessels, and the atmospheric entry of the most destructive meteor since 1908. The year also saw successful new treatments for diseases such as HIV, Usher syndrome and leukodystrophy, and a major expansion in the use and capabilities of technologies such as 3D printing and autonomous cars. The United Nations designated 2013 the International Year of Water Cooperation. 2 January A study by Caltech astronomers reports that the Milky Way Galaxy contains at least one planet per star, resulting in approximately 100-400 billion exoplanets. The study, based on planets orbiting the star Kepler-32, suggests that planetary systems may be the norm around stars in our galaxy. Astronomers report the discovery of giant geysers of charged particles emanating from the core of the Milky Way Galaxy. These outflows, which extend as ...
https://en.wikipedia.org/wiki/2013_in_science
Astronomy club hosts first astronomy night - THE EAGLE EYEAstronomy club hosts first astronomy night - THE EAGLE EYE
Sophomore Deanna OConnell observes the stars and planets using one of Jeters various telescopes. Photo by Kaleela Rosenthal On Tuesday, Sept. 24 at 8 p.m., the Marjory Stoneman Douglas High School Astronomy Club hosted its first astronomy night at Marjorys Garden. Club members and their friends were invited to a night studying the stars. Astronomy...
https://eagleeye.news/11396/news/astronomy-club-hosts-first-astronomy-night/
Difference between revisions of Changes/Astronomy Spin - Fedora Project WikiDifference between revisions of Changes/Astronomy Spin - Fedora Project Wiki
In both amateur and professional astronomy and astrophysics Linux is a very popular operating system. More and more data analysis is performed using Python, especially the astropy project is a quite new effort providing a professional toolchain. The Astronomy Spin provides a complete scientific Python environment (2 and 3) as well as the AstrOmatic software. For observational astronomy, KStars provides a complete solution for astrophotography using the INDI library. In addition to an astronomical collection of packages the spin also adds a menu for astronomy to make work more comfortable. ...
https://fedoraproject.org/w/index.php?title=Changes/Astronomy_Spin&diff=next&oldid=444162
Changes/Astronomy Spin - Fedora Project WikiChanges/Astronomy Spin - Fedora Project Wiki
In both amateur and professional astronomy and astrophysics Linux is a very popular operating system. More and more data analysis is performed using Python, especially the astropy project is a quite new effort providing a professional toolchain. The Astronomy Spin provides a complete scientific Python environment (2 and 3) as well as the AstrOmatic software. For observational astronomy, KStars provides a complete solution for astrophotography using the INDI library. In addition to an astronomical collection of packages the spin also adds a menu for astronomy to make work more comfortable. ...
https://fedoraproject.org/w/index.php?title=Changes/Astronomy_Spin&oldid=418628
Astronomy | University of CanterburyAstronomy | University of Canterbury
Students majoring in Astronomy acquire a wide range of skills, from the use of spectroscopic and photometric detector systems (and the analysis of the data obtained), through electronics and optics, to computer skills for analysis and interpretation of data. This produces a graduate who is well equipped to undertake employment not only in astronomy, but in any number of fields that require practical experience or that involve analysis of real data.. Studying Physics and Astronomy equips graduates with skills in problem solving, abstract thinking, evaluating, communicating, and decision making. It develops high levels of curiosity, inventiveness, and mathematical and computer competencies.. Graduates may follow traditional paths and work either as scientists, technicians, research assistants, engineers, astronomers, patent agents, technical authors, or even managers at an observatory or in an institute. However, many Astronomy graduates move into other fields, particularly computing and ...
https://www.canterbury.ac.nz/study/subjects/astronomy/
Global Astronomy Month - ELF Astronomy
Ricardo (Ricky) Adams and Zenobia (Zee) Rinquest approached Auke, Lynnette and I to join them for a public astronomy outreach in celebration of Global Astronomy Month 2015 which you can read more about here. They had a venue all planned and were looking for fellow astronomy enthusiasts to enjoy the outing with them. Ricky was associated with the Iziko Planetarium for a long time and when he spoke to Theo Ferreira the MMWC at the Planetarium, Theo was kind enough to recommend us and also to arrange for support in the form of the Iziko bus with the three museum stalwarts, Temba Matomele, Sthembele Harmans and Luzuko Dalasile. You can read more about the Iziko outreach program here.. ...
http://elfastronomy.com/category/astronomy/events/global-astronomy-month/
Antennae (astronomy) synonyms, Antennae (astronomy) antonyms - FreeThesaurus.comAntennae (astronomy) synonyms, Antennae (astronomy) antonyms - FreeThesaurus.com
Synonyms for Antennae (astronomy) in Free Thesaurus. Antonyms for Antennae (astronomy). 6 synonyms for antenna: aerial, sensor, transmitting aerial, aerial, feeler, feeler. What are synonyms for Antennae (astronomy)?
https://www.freethesaurus.com/Antennae+
PPT - Databases Meet Astronomy a db view of astronomy data PowerPoint Presentation - ID:1344900PPT - Databases Meet Astronomy a db view of astronomy data PowerPoint Presentation - ID:1344900
Databases Meet Astronomy a db view of astronomy data. Jim Gray Microsoft Research Collaborating with: Alex Szalay, Peter Kunszt, Ani Thakar @ JHU Robert Brunner, Roy Williams @ Caltech George Djorgovski, Julian Bunn @ Caltech. Outline. Astronomy data The Virtual Observatory Concept Slideshow 1344900 by bernad
https://www.slideserve.com/bernad/databases-meet-astronomy-a-db-view-of-astronomy-data-1344900
Binocular Astronomy
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http://www.bassinsure.com/documents/ebook.php?q=Binocular-Astronomy/
Awards and Scholarships | Department of AstronomyAwards and Scholarships | Department of Astronomy
The Ohio State Department of Astronomy recognizes excellence among undergraduate students with special scholarships, fellowships, and awards generously supported by gifts to the department. L. Earl Slusher Scholarship in Astronomy To show his appreciation for the kind assistance he received from OSU Astronomy professor Gerald Newsom and his wife Ann, L. Earl Slusher established an endowment fund to honor exceptional Astronomy undergraduates at OSU.
https://astronomy.osu.edu/undergraduates/awards-scholarships
Scientific Explorer: October 2016Scientific Explorer: October 2016
For all mid-sized stars the evolutionary scenario is similar with some exceptions. Stars slightly smaller than our Sun also evolve into red giants but their cores dont have enough mass to ignite helium fusion. They dont reach the tip of the red giant branch shown above, and there is no helium flash. Instead, these stars move directly into a state that more resembles the post- AGB (asymptotic giant branch) top horizontal line in the graph above, except that they are less luminous. Like the Sun, they eventually blow off their outer layers to form a planetary nebula, leaving behind, in this case, a helium white dwarf. In stars more massive than our Sun, between 2.25 M and 10 M, the core is large enough and dense enough to reach the fusion ignition temperature of helium before it has a chance to contract into a degenerate state. This eliminates the helium flash from their life cycle for a different reason. Like the Sun, these more massive stars expand into red giants as the outer layers of the ...
http://sciexplorer.blogspot.com/2016/10/
A Challenging Object: Supernova Impostor SN 2009ip Is Back | aavso.orgA Challenging Object: Supernova Impostor SN 2009ip Is Back | aavso.org
I want to draw attention to a supernova impostor that has flared back up, and some are saying it could have gone supernova. Here is a link to the relevant Astronomers Telegram:. http://www.astronomerstelegram.org/?read=4412. Supernova imposters are visually as bright as supernova but they do not destroy the progenitor and some of them, like SN 2009ip have a repeat eruption. As the ATEL reports, Nathan Smith has guessed that this one might have popped off as a true supernova this time. Eta Carinaes great eruption in the 1840s is the prototype for this kind of object in our own galaxy.. Observing this object is a stretch for most northern hemisphere observers because it is at Declination -29. However it is an object of great interest and any good CCD photometry would be appreciated. Johnson V is normally most helpful. Cousins R and I are also useful for supernova impostors (because dust production can make them redder as they evolve).. Here is a link to photo on flicker with the object ...
http://www.aavso.org/challenging-object-supernova-impostor-sn-2009ip-back
Behemoth Black Hole Found in an Unlikely Place - SpaceRefBehemoth Black Hole Found in an Unlikely Place - SpaceRef
Astronomers have uncovered a near-record-breaking supermassive black hole, weighing 17 billion suns, in an unlikely place: in the center of a galaxy in a sparsely populated area of the universe.. The observations, made by NASAs Hubble Space Telescope and the Gemini telescope in Hawaii, could indicate that these monster objects may be more common than once thought.. Until now, the biggest supermassive black holes those roughly 10 billion times the mass of our sun have been found at the cores of very large galaxies in regions of the universe packed with other large galaxies. In fact, the current record holder tips the scale at 21 billion suns and resides in the crowded Coma galaxy cluster, which consists of over 1,000 galaxies.. The newly discovered supersized black hole resides in the center of a massive elliptical galaxy, NGC 1600, located in a cosmic backwater, a small grouping of 20 or so galaxies, said lead discoverer Chung-Pei Ma, a University of California-Berkeley astronomer and head of ...
http://spaceref.com/astronomy/behemoth-black-hole-found-in-an-unlikely-place.html
Massive Black Hole Mystery Solved With a Stripped Helium Star - LearningFreely
Among those to take a closer look at the object was a team of astronomers from the Universities of Erlangen-Nürnberg and Potsdam. They discovered that it may not necessarily be a black hole at all, but possibly a massive neutron star or even an ordinary star. Their results have now been published as a highlight-paper in the renowned journal Astronomy & Astrophysics.. The putative black hole was detected indirectly from the motion of a bright companion star, orbiting an invisible compact object over a period of about 80 days. From new observations, a Belgian team showed that the original measurements were misinterpreted and that the mass of the black hole is, in fact, very uncertain. The most important question, namely how the observed binary system was created, remains unanswered. A crucial aspect is the mass of the visible companion, the hot star LS V+22 25. The more massive this star is, the more massive the black hole has to be to induce the observed motion of the bright star. The latter ...
https://www.alternative-learning.org/nl/wordpress/?p=61233
Search for Intermediate Mass Black Hole Binaries in the First and Seco by B. P. Abbott, R. Abbott et al.Search for Intermediate Mass Black Hole Binaries in the First and Seco by B. P. Abbott, R. Abbott et al.
Gravitational-wave astronomy has been firmly established with the detection of gravitational waves from the merger of ten stellar-mass binary black holes and a neutron star binary. This paper reports on the all-sky search for gravitational waves from intermediate mass black hole binaries in the first and second observing runs of the Advanced LIGO and Virgo network. The search uses three independent algorithms: two based on matched filtering of the data with waveform templates of gravitational-wave signals from compact binaries, and a third, model-independent algorithm that employs no signal model for the incoming signal. No intermediate mass black hole binary event is detected in this search. Consequently, we place upper limits on the merger rate density for a family of intermediate mass black hole binaries. In particular, we choose sources with total masses M = m1 + m2 ∈ [120,800] M⊙ and mass ratios q = m2/m1 ∈ [0.1,1.0]. For the first time, this calculation is done using numerical relativity
https://scholarsmine.mst.edu/phys_facwork/2046/
NASA Astrobiology InstituteNASA Astrobiology Institute
Water is the medium in which the chemistry of all life on Earth takes place. The NAI UH Team will focus on scenarios involving the sources and distribution of water in planetary systems and the delivery and incorporation of water into rocky habitable planets. The team will investigate:. The Origin of Earths Water - Constraining the origin of Earths water by better characterizing the D/H ratio of the primitive mantle. D/H in the Interstellar Medium, Disks and the Solar System - Determining the relationship of the highly deuterium-enriched circumstellar envelope material with the planet-forming disks in these systems, and investigating the evolution of D/H in a mature planetary system through observations of comets and models of ice fractionation processes. Ice Chemistry in the Solar System - Investigating the processing of primitive Solar system material and ices by energetic particles that leads to lifes precursor molecules. The Main Belt Comets - Surveying the sky for Main Belt Comets, a new ...
https://astrobiology.nasa.gov/nai/teams/can-5/uh/index.html
VizieR archivesVizieR archives
ADC_Keywords: Infrared sources ; Stars, late-type ; Stars, pre-main sequence Keywords: stars: formation - stars: late-type - stars: pre-main sequence - infrared: stars Abstract: We search for new T Tauri star (TTS) candidates with the mid-infrared (MIR) part of the AKARI All-Sky Survey at 9 and 18µm wavelengths. We used the point source catalogue (PSC) obtained by the Infrared Camera (IRC) on board AKARI. We combined the 2MASS PSC and the 3rd version of the USNO CCD Astrograph Catalogue (UCAC) with the AKARI IRC-PSC, and surveyed 517 known TTSs over a 1800-square-degree part of the Taurus-Auriga region to develop criteria to extract TTSs. We considered asymptotic giant branch (AGB) stars, post-AGB stars, planetary nebulae (PNe), and galaxies, which have similar MIR colours, to separate TTSs from these sources. We finally searched for new TTS candidates from AKARI IRC-PSC in the same Taurus-Auriga region. Of the 517 known TTSs, we detected 133 sources with AKARI: 46 sources were not detected by ...
http://cdsarc.u-strasbg.fr/viz-bin/Cat?J/A+A/519/A83
UCLA College - Page 2 - UCLA CollegeUCLA College - Page 2 - UCLA College
Smadar Naoz is an associate professor of physics and astronomy in the UCLA College. She wrote this article for The Conversation.. Do supermassive black holes have friends? The nature of galaxy formation suggests that the answer is yes, and in fact, pairs of supermassive black holes should be common in the universe.. I am an astrophysicist and am interested in a wide range of theoretical problems in astrophysics, from the formation of the very first galaxies to the gravitational interactions of black holes, stars and even planets. Black holes are intriguing systems, and supermassive black holes and the dense stellar environments that surround them represent one of the most extreme places in our universe.. The supermassive black hole that lurks at the center of our galaxy, called Sgr A*, has a mass of about 4 million times that of our sun. A black hole is a place in space where gravity is so strong that neither particles or light can escape from it. Surrounding Sgr A* is a dense cluster of stars. ...
https://www.college.ucla.edu/tag/ucla-college/page/2/?ajaxCalendar=1&mo=5&yr=2019
ORBi: Browsing ORBiORBi: Browsing ORBi
in Astronomy and Astrophysics (2008), 487. Aims. We aim at directly detecting the presence of optically thin circumstellar dust emission within the terrestrial planetary zone around main sequence stars known to harbour cold debris discs. The ... [more ▼]. Aims. We aim at directly detecting the presence of optically thin circumstellar dust emission within the terrestrial planetary zone around main sequence stars known to harbour cold debris discs. The present study focuses on a sample of six bright A- and early F-type stars. Methods: High-precision interferometric observations have been obtained in the near-infrared K band with the FLUOR instrument installed on the CHARA Array. The measured squared visibilities are compared to the expected visibility of the stellar photospheres based on theoretical photospheric models taking into account rotational distortion. We search for potential visibility reduction at short baselines, a direct piece of evidence for resolved circumstellar emission. ...
http://orbi.ulg.ac.be/browse?type=author&value=Aufdenberg%2C+J.+P
Stability of silicon and titanium carbide suspensions in electrolyte, poly(ethylene oxide), and PEO-surfactant solutions<...
TY - JOUR. T1 - Stability of silicon and titanium carbide suspensions in electrolyte, poly(ethylene oxide), and PEO-surfactant solutions. AU - Bárány, S.. AU - Eremenko, Boris V.. AU - Malysheva, Mariya L.. PY - 2004/7/1. Y1 - 2004/7/1. N2 - It has been shown that the coagulation values of counterions for SiC and TiC suspensions with particle radius from 0.5 to 5 μm obey a z 2.5-3.5 law and there is an insufficient change in the critical concentration of 1-1 electrolytes (CCE) when the surface potential of particles increases more than two times. Also, the CCE values hardly depend on the position of counterions in the lyotropic sequence. This is explained by aggregation of SiC and TiC particles at a secondary minimum, which is proved by calculations of the potential curves of interparticle interactions using the DLVO theory. The adsorption of poly(ethylene oxide) on the surfaces studied does not cause - in contradiction to dispersions with smaller particles - an unlimited growth in the ...
https://hungary.pure.elsevier.com/en/publications/stability-of-silicon-and-titanium-carbide-suspensions-in-electrol
Scientists Discover Brightest Supernova Ever Seen - insciences.org
Cambridge, MA - Scientists at the Center for Astrophysics , Harvard & Smithsonian today announced the discovery and study of the brightest, most energetic, and likely most massive supernova ever identified.. SN2016aps is believed to be an example of a pulsational pair instability supernova, and may have formed as the result of the merging of two massive stars prior to the explosion. The explosion energy of SN2016aps was ten times that of a normal-sized supernova.. SN2016aps is spectacular in several ways, said Edo Berger, Harvard University professor and co-author on the paper. Not only is it brighter than any other supernova weve ever seen, but it has several properties and features that make it rare in comparison to other explosions of stars in the universe.. The team-made up of researchers from CfA, University of Birmingham, Northwestern University, and Ohio University-first identified the supernova in 2016 using data from the Panoramic Survey Telescopes and Rapid Response System ...
https://insciences.org/scientists-discover-brightest-supernova-ever-seen/
The History and Practice of Ancient Astronomy - James Evans - Google BooksThe History and Practice of Ancient Astronomy - James Evans - Google Books
The History and Practice of Ancient Astronomy combines new scholarship with hands-on science to bring readers into direct contact with the work of ancient astronomers. While tracing ideas from ancient Babylon to sixteenth-century Europe, the book places its greatest emphasis on the Greek period, when astronomers developed the geometric and philosophical ideas that have determined the subsequent character of Western astronomy. The author approaches this history through the concrete details of ancient astronomical practice. Carefully organized and generously illustrated, the book can teach readers how to do real astronomy using the methods of ancient astronomers. For example, readers will learn to predict the next retrograde motion of Jupiter using either the arithmetical methods of the Babylonians or the geometric methods of Ptolemy. They will learn how to use an astrolabe and how to design sundials using Greek and Roman techniques. The book also contains supplementary exercises and patterns for making
https://books.google.com.mx/books?id=nS51_7qbEWsC&q=Hipparchus&dq=related:ISBN0471159425&source=gbs_word_cloud_r&hl=es-419
AUI Sponsors Women in Astronomy and Engineering Workshop in Chile | Associated Universities, Inc.AUI Sponsors Women in Astronomy and Engineering Workshop in Chile | Associated Universities, Inc.
CHILEAN MINISTER FOR WOMENS AFFAIRS ENCOURAGES GENDER EQUALITY IN SCIENCE, ENGINEERING, TECHNOLOGY AND MATHEMATICS The Minister for Womens Affairs and Gender Equality will shortly inaugurate a workshop on gender equality in astronomy and related engineering disciplines. The event seeks to raise awareness of the current state of inclusion and retention of women in these areas, as well as analyze existing challenges and opportunities. Chilean and foreign participants will discuss best practices, while a group of female astronomers and engineers will share their experiences to encourage scientific vocations amongst young students. The Atacama Large Millimeter/submillimeter Array (ALMA) and Associated Universities, Inc. (AUI)/National Radio Astronomy Observatory (NRAO) are organizing the Women in Astronomy and Engineering Workshop within the framework of the 27th International Conference on Astronomical Data Analysis Software and Systems (ADASS). The event will take place on Thursday, October ...
http://www.aui.edu/news/aui-sponsors-women-astronomy-engineering-workshop-chile/
Download Extragalactic Astronomy And Cosmology An IntroductionDownload Extragalactic Astronomy And Cosmology An Introduction
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http://islanddelights.com/library/download-extragalactic-astronomy-and-cosmology%3A-an-introduction.htm
Astronomy ClubAstronomy Club
Welcome to the website for Oregon State Universitys astronomy club! Here we will be posting about activities and events!. We are hosting bi-weekly meetings this term on Mondays at 6:00, get the zoom link by signing up for our email list, or sending us an email.. Sign up for our emailing list at: http://lists.oregonstate.edu/mailman/listinfo/astroclub to hear about upcoming Astronomy Open Houses and other astronomy events.. ...
https://blogs.oregonstate.edu/astronomyclub/
ESA Science & Technology - XMM-Newton reveals the Milky Ways explosive pastESA Science & Technology - XMM-Newton reveals the Milky Ways explosive past
A giant bubble surrounding the centre of the Milky Way shows that six million years ago our Galaxys supermassive black hole was ablaze with furious energy. It also shines a light on the hiding place of the Galaxys so-called missing matter. A giant bubble surrounding the centre of the Milky Way shows that six million years ago our Galaxys supermassive black hole was ablaze with furious energy. It also shines a light on the hiding...
https://sci.esa.int/web/xmm-newton/-/58189-xmm-newton-reveals-the-milky-ways-explosive-past
2012 phenomenon2012 phenomenon
However, its supposed end date was tied to astronomical phenomena by esoteric, fringe, and New Age literature that placed great ... The phenomenon also inspired several rock and pop music hits. As early as 1997, "A Certain Shade of Green" by Incubus referred ... The 2012 phenomenon was a range of eschatological beliefs that cataclysmic or transformative events would occur on or around 21 ... Various astronomical alignments and numerological formulae were proposed for this date. A New Age interpretation held that the ...
https://en.wikipedia.org/wiki/2012_phenomenon
EquinoxEquinox
"Astronomical Phenomena". In Urban, S.E.; Seidelmann, P. K. (eds.). Explanatory supplement to the astronomical almanac (3rd ed ... This phenomenon occurs once every 14.7 years on average, and can last a few weeks before and after the exact equinox. Saturn's ... The effect of a larger dip on taller objects (reaching over 2½° of arc on Everest) accounts for the phenomenon of snow on a ... Prior to the 1980s there was no generally accepted term for the phenomenon, and the word "equilux" was more commonly used as a ...
https://en.wikipedia.org/wiki/Equinox
Solar phenomenaSolar phenomena
... from the Kislovodsk Mountain Astronomical Station Solar phenomena at Wikipedia's sister projects: Media from Commons News from ... Solar phenomena are natural phenomena which occur within the atmosphere of the Sun. These phenomena take many forms, including ... These phenomena are believed to be generated by a helical dynamo, located near the center of the Sun's mass, which generates ... Similar phenomena in other stars are known as stellar flares. Solar flares strongly influence space weather near the Earth. ...
https://en.wikipedia.org/wiki/Solar_phenomena
Astronomy on MarsAstronomy on Mars
In many cases astronomical phenomena viewed from the planet Mars are the same or similar to those seen from Earth but sometimes ... "Astronomical Phenomena From Mars". Archived from the original on 2008-06-02. Retrieved 2005-04-23. 1990A&A...233..235B Page 235 ... The phenomenon of libration occurs for Phobos as it does for Earth's Moon, despite the low inclination and eccentricity of ... They would probably also be invisible to the human eye, being largely ultraviolet phenomena. The orientation of Mars's axis is ...
https://en.wikipedia.org/wiki/Astronomy_on_Mars
Transequatorial loopTransequatorial loop
Proceedings of the International Astronomical Union. 2004 (IAUS223): 521-524. doi:10.1017/S1743921304006726. (Stellar phenomena ...
https://en.wikipedia.org/wiki/Transequatorial_loop
EphemerisEphemeris
Some of the astronomical phenomena of interest to astronomers are eclipses, apparent retrograde motion/planetary stations, ... The astronomical position calculated from an ephemeris is often given in the spherical polar coordinate system of right ... Meeus, Jean (1991). Astronomical Algorithms. Willmann-Bell. ISBN 0-943396-35-2. Michelsen, Neil F. (1990). Tables of Planetary ... Georgij A. Krasinsky and Victor A. Brumberg, Secular Increase of Astronomical Unit from Analysis of the Major Planet Motions, ...
https://en.wikipedia.org/wiki/Ephemeris
Astrological ageAstrological age
Astronomical Phenomena that Influenced the Compilation of Anno Domini. The Inspiration of Astronomical Phenomena. Volume 441. ... This New Age phenomenon is seen by some astrologers to be marked by the conjunction of the planet Uranus, ruler of the sign ... All ancient astronomical observations were based on visual techniques. Of all the key techniques used in ancient times, the ... It is possible that some other astronomers before Hipparchus had also noticed the phenomenon, but it is Hipparchus who is ...
https://en.wikipedia.org/wiki/Astrological_age
Winifred CameronWinifred Cameron
She was a member of the International Astronomical Union, the American Astronomical Society, the American Geophysical Union, ... She worked at Goddard Space Flight Center in Maryland for most of her career, and compiled the Lunar Transient Phenomena (LTP) ... "Astronomical League Convention Boasts NASA Officials as Speakers". York Daily Record. June 8, 1972. p. 15. Retrieved May 26, ... She compiled the Lunar Transient Phenomena (LTP) database, still in use. She was astronomer-on-base at Cape Canaveral during ...
https://en.wikipedia.org/wiki/Winifred_Cameron
VenusVenus
The astronomical symbol for Venus is the same as that used in biology for the female sex: a circle with a small cross beneath. ... The use of a 12th-order polynomial fit may have amplified noise and generated a false reading (see Runge's phenomenon). ... Astronomical Society of the Pacific. Archived from the original on 10 April 2021. Retrieved 10 April 2021. Chatfield, Chris ( ... Jones, Alexander (1999). Astronomical papyri from Oxyrhynchus. pp. 62-63. ISBN 9780871692337. Archived from the original on 30 ...
https://en.wikipedia.org/wiki/Venus
Nadia DrakeNadia Drake
American Astronomical Society. Retrieved May 22, 2021. "The David N. Schramm Award for High Energy Astrophysics Science ... "Phenomena" blog, University of California, Santa Cruz Science Communication Program, April 8, 2014, retrieved November 20, 2017 ... Zimmer, Carl (March 10, 2014). "Please Welcome Nadia Drake , the Newest Member of Phenomena". Archived from the original on May ... Award for High Energy Astrophysics Science Journalism from the High Energy Astrophysics Division of the American Astronomical ...
https://en.wikipedia.org/wiki/Nadia_Drake
SpicaSpica
Breit, Derek C. (March 12, 2010). "Diary of Astronomical Phenomena 2010". Poyntsource.com. Retrieved 2010-04-13. Rao, Joe (June ... Lists of astronomical objects "How to pronounce Spica". Retrieved 2017-02-19. "Main definitions of spica in English". Oxford ... This applies to α Virginis on 12 April, in the current astronomical epoch. Spica is a close binary star whose components orbit ... In 2016, the International Astronomical Union organized a Working Group on Star Names (WGSN) to catalog and standardize proper ...
https://en.wikipedia.org/wiki/Spica
Cosmas Damian AsamCosmas Damian Asam
The Inspiration of Astronomical Phenomena Vi. 441: 205. Bibcode:2011ASPC..441..205O. Retrieved 2016-09-06. Wikimedia Commons ...
https://en.wikipedia.org/wiki/Cosmas_Damian_Asam
Maya astronomyMaya astronomy
Lord Kan II used the dates of important astronomical phenomena for these. For example: 9.5.19.1.2 9 Ik 5 Uo - April 14, 553, ... Maya astronomy is the study of the Moon, planets, Milky Way, Sun, and astronomical phenomena by the Precolumbian Maya ... The Classic Maya understood many astronomical phenomena: for example, their estimate of the length of the synodic month was ... Astronomical calculations return a year zero and years before that are negative numbers. This is astronomical dating. There is ...
https://en.wikipedia.org/wiki/Maya_astronomy
Quito Astronomical ObservatoryQuito Astronomical Observatory
"Ecuador Establishes Division of Solar Physics Phenomena". American Astronomical Society. Retrieved 25 May 2015. National ... The Quito Astronomical Observatory was completely renovated and fully restored in 2009. The Museum of the Quito Astronomical ... Night observations by telescopes Astronomical information on the equatorial zone Tour inside the entire Quito Astronomical ... The Quito Astronomical Observatory has been restored and is open for tourists. Many of the tools were used by the French ...
https://en.wikipedia.org/wiki/Quito_Astronomical_Observatory
Keyna WilkinsKeyna Wilkins
Her thesis is titled Astronomical Phenomena in Music Composition and explores "the astronomical phenomena in music composition ... Wilkins, Keyna Rose (14 August 2017). Astronomical Phenomena in Music Composition (Thesis thesis). "QUALIFICATIONS". KEYNA ...
https://en.wikipedia.org/wiki/Keyna_Wilkins
Nüzhet GökdoğanNüzhet Gökdoğan
Symposium, International Astronomical Union (2000). The Carbon Star Phenomenon. Springer Science & Business Media. pp. xxvi- ... "Nüzhet Gökdoğan". International Astronomical Union. Retrieved 17 October 2020. "Turkish Women Delegates to Astronomical ... Gökdoğan was a member of the International Astronomical Union (IAU), and as of 1961 she became the first national ... She was Turkey's first national representative at the International Astronomical Union (IAU), and has been credited as Turkey's ...
https://en.wikipedia.org/wiki/Nüzhet_Gökdoğan
J. Cecil MabyJ. Cecil Maby
Maby was a Fellow of the Royal Astronomical Society. He was a member of the British Society of Dowsers and Society for ... 1988). Occult and Supernatural Phenomena. Dover Publications. p. 358. ISBN 0-486-25551-4 "Monthly Notices of the Royal ... Journal of the British Astronomical Association 45: 165-166. Maby, C. (1936). Micellar Structure of the Tracheide Wall in ... Astronomical Society". May 8, 1925. Maby, Joseph Cecil in libraries (WorldCat catalog) v t e (Articles with short description, ...
https://en.wikipedia.org/wiki/J._Cecil_Maby
Maya civilizationMaya civilization
Inspiration of Astronomical Phenomena VIII: City of Stars. 501: 265. Bibcode:2016ASPC..501..265V. ISSN 1050-3390. Viqueira, ... No astronomical basis for this count has been proved, and it may be that the 260-day count is based on the human gestation ... It is also noted for its art, architecture, mathematics, calendar, and astronomical system. The Maya civilization developed in ... The set of traits shared by Mesoamerican cultures also included astronomical knowledge, blood and human sacrifice, and a ...
https://en.wikipedia.org/wiki/Maya_civilization
Histoire céleste françaiseHistoire céleste française
It also contains observations of other astronomical phenomena. It was the largest and most complete star catalog of its day. ... Astronomical catalogues, Astronomical catalogues of stars, Astronomical surveys, All stub articles, Astronomical catalogue ... This publication is a collection of several books of astronomical recordings taken over the previous decade at the observatory ...
https://en.wikipedia.org/wiki/Histoire_céleste_française
Chandra WickramasingheChandra Wickramasinghe
ISBN 978-0-460-04535-3 Is Life an Astronomical Phenomenon? (University College Cardiff Press, 1982) ISBN 9780906449493 Why Neo- ... Hoyle, Fred (1999). Astronomical Origins of Life; Steps Towards Panspermia. Kluwer Academic Press. ISBN 978-0-7923-6081-0. " ... Hoyle, Fred (2000). Astronomical Origins of Life: Steps towards Panspermia. Dordrecht: Kluwer Academic Press. Wickramasinghe, ... The case for life as a cosmic phenomenon, Nature 322, 509-511 Hoyle, F. and Wickramasinghe, N.C., 1990. Influenza - evidence ...
https://en.wikipedia.org/wiki/Chandra_Wickramasinghe
Star systemStar system
ISBN 90-277-0885-1. Harrington, R.S. (1970). "Encounter Phenomena in Triple Stars". Astronomical Journal. 75: 114-118. Bibcode: ... Gregg, T. A.; Prsa, A.; Welsh, W. F.; Orosz, J. A.; Fetherolf, T. (2013). "A Syzygy of KIC 4150611". American Astronomical ... During the 24th General Assembly of the International Astronomical Union in 2000, the WMC scheme was endorsed and it was ... I. The Washington Double Star Catalog". The Astronomical Journal. U. S. Naval Observatory, Washington D.C. 122 (6): 3466-3471. ...
https://en.wikipedia.org/wiki/Star_system
Gloria Suzanne Koenigsberger HorowitzGloria Suzanne Koenigsberger Horowitz
Proceedings of the 193rd Symposium of the International Astronomical Union. San Francisco: Astronomical Society of the Pacific ... Van Der Hucht, Karel A.; Koenigsberger, Gloria; Eenens, Philippe R. J. (1999). "Wolf-Rayet Phenomena in Massive Stars and ... and a member of the International Astronomical Union (IAU). She served on the Board of Directors of the Association of ... "Gloria Koenigsberger". International Astronomical Union. December 6, 2017. Retrieved May 29, 2019. "Governance Directory". ...
https://en.wikipedia.org/wiki/Gloria_Suzanne_Koenigsberger_Horowitz
AT2019qizAT2019qiz
Monthly Notices of the Royal Astronomical Society. 499: 482-504. doi:10.1093/mnras/staa2824. (Stellar phenomena, Astronomical ... situated in Chile and was presented in October 2020 by research published in the monthly notices of the Royal Astronomical ... Monthly Notices of the Royal Astronomical Society. 499 (1): 482-504. arXiv:2006.02454. Bibcode:2020MNRAS.499..482N. doi:10.1093 ...
https://en.wikipedia.org/wiki/AT2019qiz
Edmund Neville NevillEdmund Neville Nevill
Nevill was elected a fellow of the Royal Astronomical Society (RAS) under the name Edmund Neison, 'having the curious idea that ... Also weather observations, time service, comets and 'temporary phenomena'. Staff included Nevill, assistant, and later 'four ... Spencer Jones, H. (1941). "Obituary Notices: Fellows:- Nevill, Edmund Neville". Monthly Notices of the Royal Astronomical ... ladies were added as astronomical computers'. Nevill published a major paper on corrections to Hansen's Tables - using 1500 ...
https://en.wikipedia.org/wiki/Edmund_Neville_Nevill
Moreton waveMoreton wave
Articles with short description, Short description is different from Wikidata, Stellar phenomena, Solar phenomena). ... Moreton, G. E. (1960). "Hα Observations of Flare-Initiated Disturbances with Velocities ~1000 km/sec". Astronomical Journal. 65 ... Athay, R. Grant; Moreton, Gail E. (1961). "Impulsive Phenomena of the Solar Atmosphere. I. Some Optical Events Associated with ... Moreton, G. E. & Ramsey, H. E. (1960). "Recent Observations of Dynamical Phenomena Associated with Solar Flares". Publications ...
https://en.wikipedia.org/wiki/Moreton_wave
Looming and similar refraction phenomenaLooming and similar refraction phenomena
Mirage of astronomical objects Fata Morgana (mirage) Tropospheric propagation Heidorn, Keith (July 15, 1999). "The Superior ... While mirages are the best known atmospheric refraction phenomena, looming and similar refraction phenomena do not produce ... Sometimes these phenomena can occur together with a true mirage. Looming is the most noticeable and most often observed of ... These phenomena can occur together, changing the appearance of different parts of the objects in different ways. ...
https://en.wikipedia.org/wiki/Looming_and_similar_refraction_phenomena
Star GazersStar Gazers
The subjects of the evergreen segments focused on astronomical phenomena; while, the subjects of regular weekly episodes ... The show educates viewers about astronomical events for the coming week and about astronomy and astronomical history in general ... When astronomical events were in the news, Horkheimer would speak of them, giving viewers much more detailed information. When ... Horkheimer often appeared on news programs to host astronomical events. His final broadcast was for the week of August 30 to ...
https://en.wikipedia.org/wiki/Star_Gazers
PinsoroPinsoro
... 's observatory is a useful place to see astronomical phenomena. San Isidro Festivals: in spring, the week of 15 May. San ...
https://en.wikipedia.org/wiki/Pinsoro
Mirage of astronomical objectsMirage of astronomical objects
A mirage of an astronomical object is a meteorological optical phenomenon, in which light rays are bent to produce distorted or ... In usual conditions a green rim of an astronomical object gets fainter, when an astronomical object is very low above the ... A mock mirage of astronomical objects is much more complex than an inferior mirage. While an inferior mirage of astronomical ... An astronomical observation we took in the afternoon showed that the sun must in reality have been 2° 22' below the horizon at ...
https://en.wikipedia.org/wiki/Mirage_of_astronomical_objects
Sun Circle (sculpture)Sun Circle (sculpture)
Inspiration of Astronomical Phenomena V. Vol. 468. Adler Planetarium, Chicago, Illinois, USA: Astronomical Society of the ... Sun Circle uses astronomical alignments to cast shadows and light through apertures (windows) to align with corresponding ...
https://en.wikipedia.org/wiki/Sun_Circle_(sculpture)
Benjamin FranklinBenjamin Franklin
To understand this phenomenon more clearly, he conducted experiments. In 1758 on a warm day in Cambridge, England, he and ... with the resulting astronomical sums to be spent on impossibly elaborate utopian projects. Franklin, who was 79 years old at ... Franklin started exploring the phenomenon of electricity in 1746 when he saw some of Archibald Spencer's lectures using static ...
https://en.wikipedia.org/wiki/Benjamin_Franklin
PretendianPretendian
... phenomenon of Fétis*. This not-new phenomenon, to put it perhaps overly simply, is the practice of settler individuals (and ... where quite often the absolutely astronomical growth in new claimants of Indigeneity can be clearly traced back to white ... The] phenomenon of what I and many other Indigenous people have for some time called Pretendians, as well as the related, and ... This phenomenon took place following the "lndian Preference" regulations in new hiring practices at the Bureau of lndian ...
https://en.wikipedia.org/wiki/Pretendian
Impact events on JupiterImpact events on Jupiter
American Astronomical Society, 187th AAS Meeting, #27.04; Bulletin of the American Astronomical Society. 27: 1325. Bibcode: ... The phenomena associated with an impact on a gas giant are mainly transitory in nature, and depend on the size of the impacting ... American Astronomical Society, DPS Meeting #42, #19.01; Bulletin of the American Astronomical Society. 42: 980. Bibcode:2010DPS ... American Astronomical Society, DDA Meeting #41, #11.03; Bulletin of the American Astronomical Society. 41: 939. Bibcode:2010DDA ...
https://en.wikipedia.org/wiki/Impact_events_on_Jupiter
2014-15 North American winter2014-15 North American winter
Based on the astronomical definition, winter begins at the winter solstice, which in 2014 occurred on December 21, and ends at ... A quasi-permanent phenomenon referred to as the polar vortex may have been partly responsible for the cold weather. ... Astronomical Seasons". National Centers for Environmental Information. National Centers for Environmental Information (NOAA/NWS ...
https://en.wikipedia.org/wiki/2014–15_North_American_winter
NeodymiumNeodymium
This color-change phenomenon is highly prized by collectors.[citation needed] In combination with gold or selenium, red colors ... Another application is the creation of selective astronomical filters to reduce the effect of light pollution from sodium and ... Light transmitted through neodymium glasses shows unusually sharp absorption bands; the glass is used in astronomical work to ...
https://en.wikipedia.org/wiki/Neodymium
MeteoriticsMeteoritics
The term meteoroid was not defined until 1961 by the International Astronomical Union, and the Minor Planet Center still ... and of the phenomena that are associated with such matter or such bodies. ...
https://en.wikipedia.org/wiki/Meteoritics
Changsha KingdomChangsha Kingdom
A wide range of natural phenomena were connected with spirit powers, and instructions and devices on dealing with them have ... a mapping of astronomical features to those on the land. The latter, likely a work by a Chu author of the Warring States period ... included a collection of illustrations of astronomical and atmospheric features such as clouds, mirages, rainbows, stars and ...
https://en.wikipedia.org/wiki/Changsha_Kingdom
Mathematics and the Search for KnowledgeMathematics and the Search for Knowledge
... starting from astronomical theories of Ancient Greek to the modern theories. In contrast to the numerous theories, that have ... appeared since the ancient times up to Newton's theory of gravitation, which are describe different physical phenomena and were ...
https://en.wikipedia.org/wiki/Mathematics_and_the_Search_for_Knowledge
Sima QianSima Qian
... as well as other astronomical and geological phenomena such as solar eclipses and earthquakes, which depended on revising and ...
https://en.wikipedia.org/wiki/Sima_Qian
List of Russian astronomers and astrophysicistsList of Russian astronomers and astrophysicists
... known for his work on solar flares and astronomical observations from artificial satellites Nikolai Shakura, developed theory ... observed the transient lunar phenomenon Georgij A. Krasinsky, astronomer, researched planetary motions and ephemeris Feodosy ... discovered cosmic microwave background radiation as a detectable phenomenon Alexander Dubyago, expert in theoretical ...
https://en.wikipedia.org/wiki/List_of_Russian_astronomers_and_astrophysicists
Social physicsSocial physics
... considered in the same light as astronomical, physical, chemical, and physiological phenomena, that is to say as being subject ... It was here that Hobbes began to outline the idea of representing the "physical phenomena" of society in terms of the laws of ... In a modern commercial use, it can also refer to the analysis of social phenomena with big data. Social physics is closely ... It emphasizes the alignment of the neighboring spins in a phenomenon called "social validation". It follows the same properties ...
https://en.wikipedia.org/wiki/Social_physics
Pisces (astrology)Pisces (astrology)
Astrological ages occur because of a phenomenon known as the precession of the equinoxes, and one complete period of this ... Depicted in a 14th western British Book of Hours A representation of the Pisces symbol Astronomical symbols Chinese zodiac ... Astronomical Applications Department 2011. Oxford University Press. O'Shea, Ellsworth & Locke 1920, p. 4638. Atsma 2017. ... Co., OCLC 1761311 Constellation of Pisces, International Astronomical Union, retrieved 4 December 2012 Cross Smith, Robert ( ...
https://en.wikipedia.org/wiki/Pisces_(astrology)
Rydberg matterRydberg matter
... researching space phenomena, and usage in sensors. State of matter Wang, Jiaxi; Holmlid, Leif (2002). "Rydberg Matter clusters ... Monthly Notices of the Royal Astronomical Society. 335 (4): L94. Bibcode:2002MNRAS.335L..94B. doi:10.1046/j.1365-8711.2002. ... Monthly Notices of the Royal Astronomical Society. 384 (2): 764-774. Bibcode:2008MNRAS.384..764H. doi:10.1111/j.1365-2966.2007. ...
https://en.wikipedia.org/wiki/Rydberg_matter
Virgo (constellation)Virgo (constellation)
Its name is Latin for maiden, and its old astronomical symbol is (♍︎). Lying between Leo to the west and Libra to the east, it ... The spiral galaxy NGC 5037 The elliptical galaxy Messier 87 "Seeing Quintuple" a phenomenon known as gravitational lensing. ... "Hawaiian Astronomical Society - Virgo". "Star Tales - Virgo". "Mythology of the constellation Virgo". Unlike the modern belief ... ISBN 1-59102-361-0. Wilkins, Jamie; Dunn, Robert (2006). 300 Astronomical Objects: A Visual Reference to the Universe (1st ed ...
https://en.wikipedia.org/wiki/Virgo_(constellation)
PassoverPassover
If the barley was not ripe, or various other phenomena indicated that spring was not yet imminent, an intercalary month (Adar ... The council on intercalation considered the astronomical facts together with the religious requirements of Passover and the ...
https://en.wikipedia.org/wiki/Passover
Caroline HerschelCaroline Herschel
Monthly Notices of the Royal Astronomical Society, Vol. 8, p. 64 (1847). Bibliography from the Astronomical Society of the ... William recorded this phenomenon, himself, terming it "My Sister's Comet." Caroline Herschel is often credited as the first ... Herschel was honoured by the King of Prussia and the Royal Astronomical Society. The gold medal from the Astronomical Society ... The Royal Astronomical Society elected her an Honorary Member in 1835, along with Mary Somerville; they were the first women ...
https://en.wikipedia.org/wiki/Caroline_Herschel
Sigma OrionisSigma Orionis
Walborn, Nolan R. (1974). "A New Phenomenon in the Spectrum of Sigma Orionis E". Astrophysical Journal. 191: L95. Bibcode: ... V. Geometric and Photogeometric Distances to 1.47 Billion Stars in Gaia Early Data Release 3". The Astronomical Journal. 161 (3 ... Guetter, H. H. (1979). "Photometric studies of stars in ORI OB1 /belt/". Astronomical Journal. 84: 1846. Bibcode:1979AJ..... ... I. The Washington Double Star Catalog". The Astronomical Journal. 122 (6): 3466. Bibcode:2001AJ....122.3466M. doi:10.1086/ ...
https://en.wikipedia.org/wiki/Sigma_Orionis
Confederation of Indian Amateur AstronomersConfederation of Indian Amateur Astronomers
... and software to perform various calculations pertaining to astronomical phenomena. List of astronomical societies Percy, John R ...
https://en.wikipedia.org/wiki/Confederation_of_Indian_Amateur_Astronomers
Aristarchus of SamosAristarchus of Samos
His astronomical ideas were often rejected in favor of the geocentric theories of Aristotle and Ptolemy. Nicolaus Copernicus ... Pliny and Seneca referred to the retrograde motion of some planets as an apparent (and not real) phenomenon, which is an ... Batten, Alan H. (1981). "Aristarchos of Samos". Journal of the Royal Astronomical Society of Canada. 75: 29-35. Bibcode: ...
https://en.wikipedia.org/wiki/Aristarchus_of_Samos
List of Puerto Rican scientists and inventorsList of Puerto Rican scientists and inventors
Bras has specialized in the interpretation of natural phenomena as random functions. He has been recognized for his use of ... the Tainos who inhabited the island depended on their astronomical observations for the cultivation of their crops. In 1581, ...
https://en.wikipedia.org/wiki/List_of_Puerto_Rican_scientists_and_inventors
Water vaporWater vapor
This phenomenon provides a significant driving force for cyclonic and anticyclonic weather systems (typhoons and hurricanes). ... present even in the solar atmosphere as well as every planet in the Solar System and many astronomical objects including ...
https://en.wikipedia.org/wiki/Water_vapor
CreationismCreationism
However, many creationist beliefs can be framed as testable predictions about phenomena such as the age of the Earth, its ... Usually the "evolution" in "theistic evolution" means Total Evolution - astronomical evolution (to form galaxies, solar systems ... NAS 2008, p. 12 NAS 2008, p. 10, "In science, explanations must be based on naturally occurring phenomena. Natural causes are, ... Its proponents argue that the scientific method excludes certain explanations of phenomena, particularly where they point ...
https://en.wikipedia.org/wiki/Creationism
George MusserGeorge Musser
His book Spooky Action at a Distance: The Phenomenon That Reimagines Space and Time--and What It Means for Black Holes, the Big ... Musser served as editor of Mercury magazine and of the Universe in the Classroom tutorial series at the Astronomical Society of ... Spooky Action at a Distance: The Phenomenon That Reimagines Space and Time--and What It Means for Black Holes, the Big Bang, ... The Phenomenon That Reimagines Space and Time--and What It Means for Black Holes, the Big Bang, and Theories of Everything, ...
https://en.wikipedia.org/wiki/George_Musser
1830s1830s
May 15, 1836 - Francis Baily, during an eclipse of the sun, observes the phenomenon named after him as Baily's beads. 1838 - ... Sher, D. (1965). "The Curious History of NGC 3603". Journal of the Royal Astronomical Society of Canada. 59: 76. Bibcode: ...
https://en.wikipedia.org/wiki/1830s
Petro-IslamPetro-Islam
Fouad Ajami has named this phenomenon `Petro-Islam`. Large sums of money from public and private sources were distributed all ... This show of international power, along with the nation's astronomical increase in wealth, allowed Saudi Arabia's puritanical, ...
https://en.wikipedia.org/wiki/Petro-Islam
Opposition surgeOpposition surge
Astronomical events, Lunar science, Optical phenomena, Observational astronomy, Radiometry, Scattering, absorption and ... Coherent backscatter phenomena have also been observed with radar. In particular, recent observations of Titan at 2.2 cm with ... He coined the term "opposition effect" for the phenomenon, but the more intuitive "opposition surge" is now more widely used. ... For more details, see Heiligenschein and Glory (optical phenomenon). The existence of the opposition surge was described in ...
https://en.wikipedia.org/wiki/Opposition_surge
PAGASAPAGASA
National Geophysical and Astronomical Service undertakes observations and studies of seismological and astronomical phenomena, ... Nothing but the burnt-out shell of its astronomical dome in Padre Faura St bore testimony to its once glorious past. All the ... Formal meteorological and astronomical services in the Philippines began in 1865 with the establishment of the Observatorio ... PAGASA monitors and assesses monthly climate, with regular advisories on regional to global climate phenomena like El Niño- ...
https://en.wikipedia.org/wiki/PAGASA
Axial precessionAxial precession
In that respect, the International Astronomical Union has chosen the best-developed available theory. For up to a few centuries ... a phenomenon known as the "precession of the equinoxes". In describing this motion astronomers generally have shortened the ... In astronomy, axial precession is a gravity-induced, slow, and continuous change in the orientation of an astronomical body's ... The dominant of the three was the trepidation described by the most respected Indian astronomical treatise, the Surya Siddhanta ...
https://en.wikipedia.org/wiki/Axial_precession
PythagoreanismPythagoreanism
Aristotle recorded in the 4th century BC on the Pythagorean astronomical system: It remains to speak of the earth, of its ... In the experimental investigation of sound phenomena, numbers had no symbolic meaning and were merely used to measure physical ... Instead, as Aristotle noted, the Pythagorean view of the astronomical system was grounded in a fundamental reflection on the ... phenomena and relationships such as frequency and vibration of a string. Many of the most eminent 17th century natural ...
https://en.wikipedia.org/wiki/Pythagoreanism
Astronomical phenomena - New Zealand Nautical Almanac 2022/23 | Toitū Te Whenua - Land Information New ZealandAstronomical phenomena - New Zealand Nautical Almanac 2022/23 | Toitū Te Whenua - Land Information New Zealand
Astronomical phenomena, July 2022 - June 2023 File type. PDF Filesize. 49.43 KB ...
https://www.linz.govt.nz/resources/guide/astronomical-phenomena-new-zealand-nautical-almanac-202223
This weekend: Watch a rare astronomical phenomenonThis weekend: Watch a rare astronomical phenomenon
The phenomenon can be viewed without a telescope. To observe it, look towards the southeast, about an hour before sunrise, for ... You can watch the phenomenon from several locations across Goa on May 1, 2022Gomantak Times ...
https://www.gomantaktimes.com/my-goa/my-weekend/this-weekend-watch-a-rare-astronomical-phenomenon
Astronomical phenomena in JanuaryAstronomical phenomena in January
Find out what are the astronomical phenomena of the month with the best astrotourism in Andalusia. ... In this section you can learn a little more in depth about the objects that we will see in the astronomical observation of the ...
https://skyandaluz.com/en/sky-guide/january/
Astronomical phenomena in Galicia: Equinoxes in the Chapel of San Miguel de Celanova | Blog Verdant ExperiencesAstronomical phenomena in Galicia: Equinoxes in the Chapel of San Miguel de Celanova | Blog Verdant Experiences
But what mysterious phenomenon are we talking about?. We refer to the equinoxes. The equinoxes are an astronomical phenomenon ... Astronomical phenomena in Galicia: Equinoxes in the Chapel of San Miguel de Celanova. ... Astronomical phenomena in Galicia: Equinoxes in the Chapel of San Miguel de Celanova. ... to observe this special astronomical phenomenon, which marks the beginning of the most colorful seasons of the year: spring and ...
https://www.verdantexperiences.com/blog/equinox-san-miguel-celanova-chapel
106. Astronomical phenomena that influence the observations of stars I - UNIMIS106. Astronomical phenomena that influence the observations of stars I - UNIMIS
Astronomical phenomena that influence the observations of stars I Fenomene astronomice care influențează observațiile la aștri ... Astronomical phenomena that influence the observations of stars I. Astronomical phenomena that influence the observations of ...
https://www.unimis.ro/en/courses/astronomical-phenomena-that-influence-the-observations-of-stars
Pinoy Pop Culture: Moon Halo: A Rare Astronomical PhenomenonPinoy Pop Culture: Moon Halo: A Rare Astronomical Phenomenon
Filipinos fascination with astronomical phenomena went alive last night, January 13, when a moon halo appeared on the night ... Technically known as the 22-degree halo, the phenomenon is caused by the refraction of light through the 60-degree apex angle ...
https://www.pinoypopculture.com/2014/01/moon-halo-rare-astronomical-phenomenon.html
No name | U.S. Government BookstoreNo name | U.S. Government Bookstore
Astronomical Phenomena For The Year 2024 Astronomical Phenomena For The Year 2024. ...
https://bookstore.gpo.gov/taxonomy/term/all?field_format_value=All&items_per_page=24&sort_bef_combine=created%20DESC&page=20%2C15
The opposition of Mars, 2016: Part II - British Astronomical AssociationThe opposition of Mars, 2016: Part II - British Astronomical Association
Some observations between mid-February and mid-May do show the phenomenon close to the limb. When, after opposition, there ... The British Astronomical Association supports amateur astronomers around the UK and the rest of the world. Find out more about ... Copyright © 2022 British Astronomical Association. All rights reserved.. Theme: ColorMag by ThemeGrill. Powered by WordPress. ... The British Astronomical Association 2022 Registered charity no. 210769 Registered company no. 117572 For more information ...
https://britastro.org/journal_contents_ite/the-opposition-of-mars-2016-part-ii
Luxor Set For Astronomical Phenomenon Today as Moon Aligns With TempleLuxor Set For Astronomical Phenomenon Today as Moon Aligns With Temple
... The Karnak Temple will be flooded with moonlight as the ... will align with moon displaying an astronomical phenomenon. It is no secret that ancient Egyptians were fascinated bridging on ... this event is but one of the 4,500 astronomical phenomena observed at the time of the Pharaohs. ... The first instance took place on the 2nd of July a phenomenon known as the "blue moon." ...
https://cairoscene.com/Buzz/Luxor-Set-For-Astronomical-Phenomenon-on-Friday-As-Moon-Aligns-With-Temple
Peruvian Archaeologists Unearth Silver Artifacts, a Massive Temple and an Astronomical Observatory Near Cusco | Ancient OriginsPeruvian Archaeologists Unearth Silver Artifacts, a Massive Temple and an Astronomical Observatory Near Cusco | Ancient Origins
An astronomical observatory, massive Inca stone walls, ruins of a huge temple, and artifacts left by elite members of the Wari ... It was a worldwide phenomenon during Prehistoric times for people to bury their dead under mounds (which are also known as ... An astronomical observatory, massive Inca stone walls, ruins of a huge temple, and artifacts left by elite members of the Wari ... Peruvian Archaeologists Unearth Silver Artifacts, a Massive Temple and an Astronomical Observatory Near Cusco. *Read Later ...
https://www.ancient-origins.net/news-history-archaeology/peruvian-archaeologists-unearth-silver-artifacts-massive-temple-and-021765
Scientific American Volume 34, Issue 6, February 05, 1876Scientific American Volume 34, Issue 6, February 05, 1876
The Nature of the Phenomena Discovered by Mr. Edison By P. H. Vander Weyde ... Astronomical Notes - February 5, 1876 Scientific and Practical Information - February 5, 1876 ...
https://www.scientificamerican.com/magazine/sa/1876/02-05/?error=cookies_not_supported&code=af37ca7a-4841-4b6e-aba9-71e42083080f
Astronomy in the Bible - Encyclopedia Volume - Catholic Encyclopedia - Catholic OnlineAstronomy in the Bible - Encyclopedia Volume - Catholic Encyclopedia - Catholic Online
ASTRONOMICAL ALLUSIONS IN THE NEW TESTAMENT The New Testament is virtually devoid of astronomical allusions. The "Star of the ... But the passages in question cannot be literally associated with mere passing phenomena. The prophets aimed at something higher ... ASTRONOMICAL ALLUSIONS IN THE OLD TESTAMENT. The "host of heaven ", a frequently recurring Scriptural expression, has both a ... In the Book of Job -- the most distinctively astronomical part of the Bible -- mention is made, with other stars, of Ash and ...
https://www.catholic.org/encyclopedia/view.php?id=1192
300 Astronomy Quizzes, Trivia Games, and Questions (Updated Daily)300 Astronomy Quizzes, Trivia Games, and Questions (Updated Daily)
Astronomical Phenomena (8 quizzes) Astronomy Mix (46) Other Astronomical Bodies (23) Our Solar System (136) Stars (46) ... Heavenly Bodies and Phenomena - 10 questions - 3 mins Join in me in a bit of space exploration. Together we will visit, among ... An Astronomical Mix - 10 questions - 5 mins Here is a mix of questions about moons in our solar system, stars, and ... If you get the ten answers correct, the first letters of the right answers will spell out another astronomical name. Difficult ...
https://www.funtrivia.com/quizzes/sci__tech/astronomy.html
Astronomy Definition, Prefix, Suffix, Ologies and Isms, Astronomy Information and MeaningAstronomy Definition, Prefix, Suffix, Ologies and Isms, Astronomy Information and Meaning
a form of photography used to record astronomical phenomena. astrophysics the branch of astronomy concerned with the origin, ... the astronomical studies of the planet Mars. - areologist, n. - areologic, areological, adj. asterism Rare. a constellation or ... astronomer, n . - astronomical, adj. astrophile a person strongly attracted to knowledge about the stars. - astrophilic, adj. ... Obsolete, an instrument, like an astrolabe, used for astronomical observations. cosmonautics astronautics. -cosmonaut. n. - ...
http://www.faqs.org/ologies-isms/A-Ath/Astronomy.html
Final Report Summary - GREAT (Gaia Research for European Astronomy Training - ITN) | FP7 | CORDIS | European CommissionFinal Report Summary - GREAT (Gaia Research for European Astronomy Training - ITN) | FP7 | CORDIS | European Commission
Assessing the impact of astronomical phenomena on the terrestrial biosphere. - OGLE Small Amplitude Red Giants in the Galactic ... Population seismology with large time-resolved astronomical surveys. - Constraining the Dark Matter content of the Solar ... carry out and perform the data analysis of astronomical observations. The school High Performance Visualisation for All Sky ... provided valuable exposure to the latest techniques in the analysis and interpretation of Astronomical Big Data. The School ...
https://cordis.europa.eu/result/rcn/171796/en
Blogs | ExploratoriumBlogs | Exploratorium
Learn this and four other amazing facts about this upcoming astronomical phenomena. (En español.) ... Bernard and Barbro Osher Gallery 1: Human Phenomena*Tactile Dome*1971 Press Release ...
https://www.exploratorium.edu/blogs/contributor/ebailey
Film Review: Cielo | Spirituality & HealthFilm Review: Cielo | Spirituality & Health
... we experience homemade special effects shots that depict astronomical phenomena; we hear researchers offer up scientific ...
https://www.spiritualityhealth.com/reviews/film/2018/10/08/film-review-cielo?token=4LCqYbzscmCa1U7tbT3rlNT898KHfIw-
The Failure of the Hegemonic Ambition of the United States (1898-2021)The Failure of the Hegemonic Ambition of the United States (1898-2021)
The Federal Bank worsened the phenomenon by pouring in astronomical amounts of liquidity. In doing so, however, it forced ... This phenomenon is aggravated by the birth rate (7.52 births per 1,000 inhabitants), which is at its lowest level in over forty ...
https://crc-internet.org/further-information/archives-hir/n-237-october-november-2022/the-failure-of-the-hegemonic-ambition-of-the-united-states-1898-2021.html
winter Archives - 2SERwinter Archives - 2SER
AstronomersAstronomers
Observe, research, and interpret astronomical phenomena to increase basic knowledge or apply such information to practical ...
https://www.bls.gov/OES/current/oes192011.htm
Publications-SISPublications-SIS
Egypt witnesses astronomical phenomena that are followed by the whole world at different times throughout the year, including ... This phenomenon was discovered in 1874 where the explorer, Amelia Eduards and her team monitored this phenomenon and recorded ... Lake Qarun in Fayoum Governorate also witnesses a similar astronomical phenomenon where the sun directly overheads the Holy of ...
https://www.sis.gov.eg/section/4097/864?lang=en-us
Publications-SISPublications-SIS
Egypt witnesses astronomical phenomena that are followed by the whole world at different times throughout the year, including ... This phenomenon was discovered in 1874 where the explorer, Amelia Eduards and her team monitored this phenomenon and recorded ... Lake Qarun in Fayoum Governorate also witnesses a similar astronomical phenomenon where the sun directly overheads the Holy of ...
https://sis.gov.eg/section/701/864?lang=en-us
About Us » Lowell ObservatoryAbout Us » Lowell Observatory
... to conduct pure research in astronomical phenomena; and to maintain quality public education and outreach programs to bring the ... We maintain quality public education and outreach programs to bring the results of astronomical research to the general public. ... In that time, Lowell astronomers have been at the forefront of astronomical research. It was here that Clyde Tombaugh ... to conduct pure research in astronomical phenomena. ... "unique combination of astronomical history and famous ...
https://lowell.edu/discover/about-us/
Build your own radio telescope - Science in SchoolBuild your own radio telescope - Science in School
Most astronomical phenomena produce electromagnetic radiation because they are hot. The higher their temperature, the shorter ... Boguslaw is currently employed at the local planetarium and astronomical observatory in Łódź, where he teaches astronomy and ...
https://scienceinschool.org/article/2012/telescope-2/
Xenophanes (Stanford Encyclopedia of Philosophy)Xenophanes (Stanford Encyclopedia of Philosophy)
Many testimonia credit Xenophanes with an interest in meteorological and astronomical phenomena. Not only are these comments of ... they are well positioned to link the two basic substances of earth and water with many astronomical phenomena. ... A38-45 discuss various astronomical phenomena, and A48 indicates an interest in periodic volcanic eruptions in Sicily. ... cloud-based approach to understanding natural phenomena is the application of this theory to a set of phenomena closely linked ...
https://plato.stanford.edu/entries/xenophanes/
urban ecosystemurban ecosystem
Astronomical phenomena. *Sunrise and sunset times. *Suns angle of declination. *Moonrise and moonset ...
https://www.danielharper.org/blog/?tag=urban-ecosystem
Venus Transit in June 2004 - Windows to the UniverseVenus Transit in June 2004 - Windows to the Universe
Transits of Venus are extremely rare astronomical phenomena. They occur in pairs, separated by eight years, with more than a ... A rare astronomical event will occur in early June 2004. For the first time since 1882, Earthlings will be able to view a ... A rare astronomical event will occur in early June 2004. For the first time since 1882, Earthlings will be able to view a ... A "transit" is the name of a type of astronomical event. A transit is similar to a solar eclipse, except a transit involves a ...
https://windows2universe.org/headline_universe/solar_system/stories_2004/venus_transit_may_2004.html&edu=high&dev=&lang=en
Hubble identifies unusual wrinkle in expansion rate of the universe | CNNHubble identifies unusual wrinkle in expansion rate of the universe | CNN
Both of these phenomena help astronomers to mark astronomical distances like mile markers, which have pointed to the expansion ... They serve as cosmic tools to measure astronomical distance and refine the expansion rate of the universe. ... Astronomers have imaged a space phenomena called odd radio circles using the Australian SKA Pathfinder telescope. These space ... This phenomenon acts as a mysterious repulsive force that accelerates the expansion rate. ...
https://www.cnn.com/2022/05/23/world/hubble-universe-expansion-rate-scn/index.html
The Celestial Computers of Ancient Greece - TruthoutThe Celestial Computers of Ancient Greece - Truthout
But, like the rest of the Greek astronomers, he employed geometry in the study and understanding of astronomical phenomena. He ... The Greeks used their mathematics, especially geometry, to simulate astronomical phenomena, creating an accurate universe with ... He left a list with all his astronomical observations, including the observations he borrowed from the Babylonian and Greek ... His book, "Introduction to the Phenomena," includes ideas that resemble the inscriptions in the Antikythera Mechanism on the ...
https://truthout.org/articles/the-celestial-computers-of-ancient-greece/
worlds largest astronomy museum, designed by ennead architects, opens in shanghaiworld's largest astronomy museum, designed by ennead architects, opens in shanghai
its dynamic form creates an immersive experience that places visitors in direct engagement with real astronomical phenomena. ... at 420,000 square feet (39,000 sqm), the new astronomical branch of the shanghai science and technology museum is the largest ... act as functioning astronomical instruments, tracking the sun, moon, and stars.. ...
https://www.designboom.com/architecture/worlds-largest-astronomy-museum-ennead-architects-shanghai-07-08-2021/
ObservatoryHigh Energy Astrophysical PhenomenaObservationsAstronomyEclipsesAstronomersEarth's atmosphereObserveAstronomerCometsObjectsMeteorological30thWinter solsticeCelestialMathematicalBranchOrbitsCosmicTransitPlanetaryConceptsResearchTempleRareDataTimeObjectRealLiterallyRoyal AstronoInternational AstroStarsMoonSmallLightPageReferencesEventsExperienceProblemsFactsPeoplePlan
Observatory6
  • An astronomical observatory, massive Inca stone walls, ruins of a huge temple, and artifacts left by elite members of the Wari culture are some of the fascinating elements found at a Pre-Hispanic archaeological site recently unearthed near Cusco, Peru. (ancient-origins.net)
  • As the Cusco Direction of Peru's Ministry of Culture reported to Telesur , "Due to its symbolic and expressive location, it is considered that the small structure served as [an] astronomical observatory or a place where ancient Waris made magical-religious rituals. (ancient-origins.net)
  • Brahmagupta was the chief of the astronomical observatory at Ujjain . (indianetzone.com)
  • Next it was Bhaskara, who headed the astronomical observatory at Ujjain and continued the mathematical traditions started by Brahmagupta. (indianetzone.com)
  • Overview: The Records of Harvard College Observatory Director George Phillips Bond, consisting of correspondence and subject files, manuscript drafts, and astronomical data, chiefly document the research activities of the Harvard College Observatory from 1859 to 1865. (harvard.edu)
  • Led the commissioning of the W-FAST optical observatory, a robotic telescope that takes wide field images (~7 degrees-squared) at a high frame rate (25Hz), looking for fast and rare astronomical phenomena. (h2h8.com)
High Energy Astrophysical Phenomena1
  • Interested in small Solar System bodies and occultation surveys, rapidly changing variable stars such as short-period cataclysmic variables and low mass X-ray binaries, and fast optical counterparts to high energy astrophysical phenomena like GRBs or FRBs. (h2h8.com)
Observations7
  • Some observations between mid-February and mid-May do show the phenomenon close to the limb. (britastro.org)
  • The significant placement of the smaller structure has led archaeologists to suggest the space may have been used by Wari people as a place to perform rituals or astronomical observations. (ancient-origins.net)
  • The school 'Art of Observational Campaigns' held on the island of Tenerife (ES) in Sep 2012 equipped the ESRs with tools and techniques required to propose, plan, carry out and perform the data analysis of astronomical observations. (europa.eu)
  • The authoritative technical specifications as offered for astronomical observations are available from the Science Operation page . (eso.org)
  • Information about these observations, observations with other telescopes, and major astronomical events is available on IAU Circulars, as communicated by observers and published by the IAU Central Bureau for Astronomical Telegrams (CBAT) . (eso.org)
  • It describes and illuminates astronomical observations by means of simple and easily understood laws of physics. (lawyersandjudges.com)
  • Thus, the history of Indian astronomy proves that the whole concept of horoscopes developed out of complex astronomical observations and perceptions that are based on astronomical phenomenon. (indianetzone.com)
Astronomy3
  • at 420,000 square feet (39,000 sqm), the new astronomical branch of the shanghai science and technology museum is the largest museum worldwide solely dedicated to the study of astronomy. (designboom.com)
  • This book explores why astronomy captivated Cornell, and considers hundreds of his works - found-footage films, three-dimensional space-object boxes, enigmatic collages, and cosmic ephemera - that contain references to astronomical phenomena. (princeton.edu)
  • Currently working on SkyPortal, an open source application to store, share, discuss, and process astronomical data, which can be used by small or large collaborations and projects in astronomy. (h2h8.com)
Eclipses2
  • Total solar eclipses are a rare phenomena - one occurs on average at any specific location every 360 years. (eso.org)
  • and the detection of comets, eclipses, and other astronomical phenomena. (harvard.edu)
Astronomers4
  • In that time, Lowell astronomers have been at the forefront of astronomical research. (lowell.edu)
  • Astronomers have imaged a space phenomena called odd radio circles using the Australian SKA Pathfinder telescope. (cnn.com)
  • So for astronomers, this phenomenon is a real nightmare, literally blurring out hours of observation over an entire night. (eso.org)
  • The Big Skies Collaboration brings together arts practitioners, astronomers, and local communities within a region I've defined as southeastern Australia's 700 Kilometre Array of astronomical observatories , which extends from CSIRO's ATCA near Narrabri, in NW NSW, to Mt Stromlo and Tidbinbilla in the ACT. (wordpress.com)
Earth's atmosphere2
  • A beautiful effect with a simple explanation - small changes in the Earth's atmosphere distort the light waves from any astronomical object before they can reach our eyes - or an Earth-bound telescope! (eso.org)
  • Meteorology is the science which investigates weather and weather phenomena in the Earth's atmosphere. (anasail.com)
Observe4
  • to observe this special astronomical phenomenon, which marks the beginning of the most colorful seasons of the year: spring and autumn. (verdantexperiences.com)
  • Observe, research, and interpret astronomical phenomena to increase basic knowledge or apply such information to practical problems. (bls.gov)
  • Learn about the ancient structures built to observe astronomical phenomena! (toledolibrary.org)
  • To shed light on the phenomenon, Ioannis Liodakis, a postdoctoral researcher at the University of Turku, Finland, used data from NASA's Imaging X-ray Polarimetry Explorer (IXPE) space telescope, designed to observe and measure X-rays. (ukautohits.com)
Astronomer1
  • In January 1930 at the meeting of the Royal Astronomical Society in London, the English astronomer, physicist, and mathematician Arthur Eddington raised the problem of the expansion of the universe and the lack of any theory that would satisfactory explain this phenomenon. (darkbuzz.com)
Comets2
  • They may relate to all kinds of different astronomical objects, from comets to variable stars, and from supernovae to distant gamma-ray bursts. (eso.org)
  • Sky Phenomena leads readers from the stars as seen from Earth, through the Sun, Moon, and various planets to the Copernican revolution, to comets and meteors, and to the sky of the Southern Hemisphere. (zaytuna.edu)
Objects2
  • In this section you can learn a little more in depth about the objects that we will see in the astronomical observation of the month. (skyandaluz.com)
  • This new class of astronomical objects was a mystery. (ukautohits.com)
Meteorological1
  • appointed professor of physics and mathematics at the University of Jena (1870) and director of the astronomical and meteorological observatories at Jena (1878). (lunasociety.org)
30th1
  • It emerged overnight at the 30th Meeting of the International Astronomical Union (IAU), in Vienna, where members of the general assembly considered a resolution on amending the name of the Hubble Law to the Hubble-Lemaître Law. (darkbuzz.com)
Winter solstice1
  • Forecasters use the me-teorological stretch of De-cember-February rather than the astronomical period between the winter solstice and the vernal equinox to denote the season. (nwtntoday.com)
Celestial1
  • The Big Skies Collaboration draws on this sense of awe and wonder we experience when we gaze at celestial phenomena, and taps into our innate capacities for storytelling, pattern-making, creativity and curiosity. (wordpress.com)
Mathematical2
  • Mathematical as well as astronomical instruments were used for the general measurement of time at different periods of the day, computation of sunrise and sunset. (indianetzone.com)
  • I'd like to first acknowledge the Wathaurong People , the traditional owners of the land we're meeting on, their elders past, present and future, and the deep astronomical and mathematical knowledge they passed on, generation to generation, for thousands of years. (wordpress.com)
Branch1
  • 6 back condemned, is an 15th download the silver market phenomenon: business opportunities in an era of branch action Love and creation management. (tsedigitalvoice.com)
Orbits2
  • As it Does older it states determinate limits and orbits which are up very download the silver market phenomenon: business love according it slower and slower. (tsedigitalvoice.com)
  • Spacecraft in high orbits tend to wander, as they are more exposed to the gravity of other planets, radiation forces and other phenomena that can gradually change orbits. (northropgrumman.com)
Cosmic1
  • They serve as cosmic tools to measure astronomical distance and refine the expansion rate of the universe. (cnn.com)
Transit1
Planetary1
  • Aside from astrology, planetary retrograding is a real astronomical phenomenon. (uwimprint.ca)
Concepts1
  • In the country, the first documented mention of the several astronomical concepts comes from the Vedas (the religious Indian literature). (indianetzone.com)
Research3
  • and to maintain quality public education and outreach programs to bring the results of astronomical research to the general public. (lowell.edu)
  • Moreover, NACO was involved in one of the most important recent long-term astronomical research programmes. (eso.org)
  • For most astronomical research, this is enough to make all the difference. (northropgrumman.com)
Temple1
  • Located inside the Karnak region east of Luxor, the temple of Khonsu, known to the ancients as the god of moon, will align with moon displaying an astronomical phenomenon. (cairoscene.com)
Rare2
Data2
  • Appendices include future astronomical events, technical data, materials and publications, and a comprehensive glossary of astronomical terms. (zaytuna.edu)
  • Lemaître presented a theoretical foundation for the expansion of the universe and used the astronomical data (the very same data that Hubble used in his 1929 article) to infer the rate at which the universe is expanding. (darkbuzz.com)
Time5
  • According to Ayman Abu Zeid, archaeological researcher and head of a local tourist association, this event is but one of the 4,500 astronomical phenomena observed at the time of the Pharaohs. (cairoscene.com)
  • The holiday phenomenon of assbaggery reaches astronomical levels when it comes time to spend, what we in the business call "chedda. (defenestrationmag.net)
  • Time used with the astronomical day which prior to 1926 began at noon of the civil day of same date. (marineprohelp.com)
  • A radarscope phenomenon which appears as a constriction or expansion of the display near the center of the plan position indicator, which can be caused by a nonlinear time base or the sweep plot starting on the radar indicator at the same instant as the transmission of the pulse. (marineprohelp.com)
  • Earth as a time crystal: macroscopic nature of a quantum-scale phenomenon from trans. (essopenarchive.org)
Object2
  • Mostly Mute Monday tells the story of an astronomical object or phenomenon in images, visuals and no more than 200 words. (forbes.com)
  • Earth is the third planet from the Sun and the only astronomical object known to harbor life . (owiki.org)
Real3
  • its dynamic form creates an immersive experience that places visitors in direct engagement with real astronomical phenomena. (designboom.com)
  • download the silver market phenomenon: ogg based incidentally this water, is a always main runner spending deliberation syncing a real careful hunt from RAW philosophy sense to sunset. (tsedigitalvoice.com)
  • With these analyses, it was verified that we are facing not a dichotomous phenomenon that separates the virtual from the real, but rather a novelty that joins and intertwines the threads of experience with the other inside and outside the internet. (bvsalud.org)
Literally1
  • But the passages in question cannot be literally associated with mere passing phenomena. (catholic.org)
Royal Astrono1
  • His findings will be published in the forthcoming March issue of the Monthly Notices of the Royal Astronomical Society . (universetoday.com)
International Astro2
  • Vice president of the International Astronomical Union. (lunasociety.org)
  • While most (but not all) members at the meeting were in favor of the resolution, a decision allowed all members of the International Astronomical Union a chance to vote. (darkbuzz.com)
Stars2
  • Hypervelocity stars have been observed traversing the Galaxy at extreme velocities (700 km/s), but the mechanisms that give rise to such phenomena are still debated. (universetoday.com)
  • We've inherited this capacity for storytelling from very distant common ancestors, of course, as we have our innate curiosity, our creativity, and our propensity for finding patterns in seemingly random phenomena, such as the stars in the night sky. (wordpress.com)
Moon2
  • Filipinos' fascination with astronomical phenomena went alive last night, January 13, when a moon halo appeared on the night sky. (pinoypopculture.com)
  • The first instance took place on the 2nd of July a phenomenon known as the "blue moon. (cairoscene.com)
Small1
  • In the main urban centres, the price of residential property can be pretty astronomical, and only a small proportion of the population can think of owning its own apartment. (swissinfo.ch)
Light1
  • The light humors can be abridged and brought Speaking the download the silver market phenomenon: business opportunities in an era libraries on the Note of the release. (tsedigitalvoice.com)
Page1
  • On this page you will find information about upcoming and past astronomical events in which ESO has played, or will play, an important coordinating role. (eso.org)
References1
  • Some of the significant chronological and astronomical references could be found in the Vedas. (indianetzone.com)
Events1
  • For more information about upcoming astronomical events and ESO's activities around these events please contact the ESO Department of Communication . (eso.org)
Experience1
  • We sought to comprehend the possible repercussions that this new phenomenon is producing in the experience of conjugality, since the attention seems to be increasingly magnetized by countless virtual others. (bvsalud.org)
Problems1
  • he was the earliest who used algebra for solving astronomical problems. (indianetzone.com)
Facts1
  • Learn this and four other amazing facts about this upcoming astronomical phenomena. (exploratorium.edu)
People1
  • Swede people are then in the download the silver market phenomenon: business opportunities in an era of demographic change when you tread up your sediment. (tsedigitalvoice.com)
Plan1
  • If you consider the possibility of traveling to discover this phenomenon, at Verdant Experiences we can help you plan your stay or create a tailor-made tour for the occasion. (verdantexperiences.com)
Scientific American Volume 34, Issue 6, February 05, 1876
Scientific American Volume 34, Issue 6, February 05, 1876 (scientificamerican.com)
Final Report Summary - GREAT (Gaia Research for European Astronomy Training - ITN) | FP7 | CORDIS | European Commission
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Blogs | Exploratorium
Blogs | Exploratorium (exploratorium.edu)
This weekend: Watch a rare astronomical phenomenon
This weekend: Watch a rare astronomical phenomenon (gomantaktimes.com)
The Failure of the Hegemonic Ambition of the United States (1898-2021)
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Winter Archives - 2SER
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Film Review: Cielo | Spirituality & Health
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Astronomers
Astronomers (bls.gov)
Publications-SIS
Publications-SIS (sis.gov.eg)
About Us » Lowell Observatory
About Us » Lowell Observatory (lowell.edu)
Hubble identifies unusual wrinkle in expansion rate of the universe | CNN
Hubble identifies unusual wrinkle in expansion rate of the universe | CNN (cnn.com)
Joseph Cornell and Astronomy | Princeton University Press
Joseph Cornell and Astronomy | Princeton University Press (press.princeton.edu)
The Celestial Computers of Ancient Greece - Truthout
The Celestial Computers of Ancient Greece - Truthout (truthout.org)
Quanta Magazine
Quanta Magazine (quantamagazine.org)
Search Resources | PolarTREC
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How the Invasive Gypsy Moth Came to America
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NACO | ESO España
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Great Balls of Fire - WonderLab
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Earth Prepares To Snap First-Ever Image Of A Black Hole's Event Horizon
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Tis-the-Season-for-Maiming - Defenestration
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The Department of Astronomy and Astrophysics | Alumni: Scott A. Severson, 2000
The Department of Astronomy and Astrophysics | Alumni: Scott A. Severson, 2000 (astro.uchicago.edu)
The XMM-Newton serendipitous survey. X. The second source catalogue from overlapping XMM-Newton observations and its long-term...
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Innovation: Latest Lifestyle News, Styles, Events, Videos & Photos | Mint Lounge
Innovation: Latest Lifestyle News, Styles, Events, Videos & Photos | Mint Lounge (lifestyle.livemint.com)
Rabbi sees Messiah behind mystery BOOMS
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Toyota Gazoo Racing presents World debut for new GR86 - automobilsport.com
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Astronomers celebrate historic first images from James Webb Telescope - Web A Photo
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Bangladesh cyclone of 1991 - HISTORY
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Session 30 October 2021 | Page 31 | Cassiopaea Forum
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Globe Museum - Vienna, Austria - Atlas Obscura
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Event Details | World Space Week
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Publications
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HISTORY of Science III
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Watch 4K Gameplay of 'COD: Modern Warfare's 2v2 'Gunfight' Mode
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