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)Astronomical Phenomena: Aggregates of matter in outer space, such as stars, planets, comets, etc. and the properties and processes they undergo.Terminology as Topic: The terms, expressions, designations, or symbols used in a particular science, discipline, or specialized subject area.Galaxies: Large aggregates of CELESTIAL STARS; COSMIC DUST; and gas. (From McGraw Hill Dictionary of Scientific and Technical Terms, 6th ed)Dictionaries as Topic: Lists of words, usually in alphabetical order, giving information about form, pronunciation, etymology, grammar, and meaning.Comet Assay: A genotoxicological technique for measuring DNA damage in an individual cell using single-cell gel electrophoresis. Cell DNA fragments assume a "comet with tail" formation on electrophoresis and are detected with an image analysis system. Alkaline assay conditions facilitate sensitive detection of single-strand damage.History, 19th Century: Time period from 1801 through 1900 of the common era.Weather: The state of the ATMOSPHERE over minutes to months.Wind: The motion of air relative to the earth's surface.Rain: Water particles that fall from the ATMOSPHERE.Seasons: Divisions of the year according to some regularly recurrent phenomena usually astronomical or climatic. (From McGraw-Hill Dictionary of Scientific and Technical Terms, 6th ed)Coal MiningPhysics: The study of those aspects of energy and matter in terms of elementary principles and laws. (From McGraw-Hill Dictionary of Scientific and Technical Terms, 6th ed)Nuclear Physics: The study of the characteristics, behavior, and internal structures of the atomic nucleus and its interactions with other nuclei. (From McGraw-Hill Dictionary of Scientific and Technical Terms, 6th ed)Health Physics: The science concerned with problems of radiation protection relevant to reducing or preventing radiation exposure, and the effects of ionizing radiation on humans and their environment.History, Ancient: The period of history before 500 of the common era.Physical Phenomena: The entities of matter and energy, and the processes, principles, properties, and relationships describing their nature and interactions.Solar System: The group of celestial bodies, including the EARTH, orbiting around and gravitationally bound by the sun. It includes eight planets, one minor planet, and 34 natural satellites, more than 1,000 observed comets, and thousands of lesser bodies known as MINOR PLANETS (asteroids) and METEOROIDS. (From Academic American Encyclopedia, 1983)Planets: Celestial bodies orbiting around the sun or other stars.Meteoroids: Any solid objects moving in interplanetary space that are smaller than a planet or asteroid but larger than a molecule. Meteorites are any meteoroid that has fallen to a planetary surface. (From McGraw-Hill Dictionary of Scientific and Technical Terms, 4th ed)Cosmic Dust: Finely divided solid matter with particle sizes smaller than a micrometeorite, thus with diameters much smaller than a millimeter, moving in interplanetary space. (NASA Thesaurus, 1994)Stars, Celestial: Large bodies consisting of self-luminous gas held together by their own gravity. (From McGraw Hill Dictionary of Scientific and Technical Terms, 6th ed)EssaysTeaching: The educational process of instructing.Physician Assistants: Health professionals who practice medicine as members of a team with their supervising physicians. They deliver a broad range of medical and surgical services to diverse populations in rural and urban settings. Duties may include physical exams, diagnosis and treatment of disease, interpretation of tests, assist in surgery, and prescribe medications. (from http://www.aapa.orglabout-pas accessed 2114/2011)Faculty, Medical: The teaching staff and members of the administrative staff having academic rank in a medical school.Faculty: The teaching staff and members of the administrative staff having academic rank in an educational institution.Government Publications as Topic: Discussion of documents issued by local, regional, or national governments or by their agencies or subdivisions.Internet: A loose confederation of computer communication networks around the world. The networks that make up the Internet are connected through several backbone networks. The Internet grew out of the US Government ARPAnet project and was designed to facilitate information exchange.Foot Deformities: Alterations or deviations from normal shape or size which result in a disfigurement of the foot.Telescopes: Instruments used to observe distant objects.Pathology Department, Hospital: Hospital department which administers and provides pathology services.ReadingPathology, Clinical: A subspecialty of pathology applied to the solution of clinical problems, especially the use of laboratory methods in clinical diagnosis. (Dorland, 28th ed.)Moon: The natural satellite of the planet Earth. It includes the lunar cycles or phases, the lunar month, lunar landscapes, geography, and soil.Encyclopedias as Topic: Works containing information articles on subjects in every field of knowledge, usually arranged in alphabetical order, or a similar work limited to a special field or subject. (From The ALA Glossary of Library and Information Science, 1983)MedlinePlus: NATIONAL LIBRARY OF MEDICINE service for health professionals and consumers. It links extensive information from the National Institutes of Health and other reviewed sources of information on specific diseases and conditions.Schools: Educational institutions.Elevators and Escalators: Mechanical ascending and descending devices which convey objects and/or people.Diving: An activity in which the organism plunges into water. It includes scuba and bell diving. Diving as natural behavior of animals goes here, as well as diving in decompression experiments with humans or animals.Nobel PrizeTechnology: The application of scientific knowledge to practical purposes in any field. It includes methods, techniques, and instrumentation.Human Development: Continuous sequential changes which occur in the physiological and psychological functions during the life-time of an individual.Awards and PrizesLife Expectancy: Based on known statistical data, the number of years which any person of a given age may reasonably expected to live.Earth (Planet): Planet that is the third in order from the sun. It is one of the four inner or terrestrial planets of the SOLAR SYSTEM.Evolution, Planetary: Creation and development of bodies within solar systems, includes study of early planetary geology.Extraterrestrial Environment: The environment outside the earth or its atmosphere. The environment may refer to a closed cabin (such as a space shuttle or space station) or to space itself, the moon, or other planets.Space Flight: Travel beyond the earth's atmosphere.Extinction, Biological: The ceasing of existence of a species or taxonomic groups of organisms.Biological Evolution: The process of cumulative change over successive generations through which organisms acquire their distinguishing morphological and physiological characteristics.Species Specificity: The restriction of a characteristic behavior, anatomical structure or physical system, such as immune response; metabolic response, or gene or gene variant to the members of one species. It refers to that property which differentiates one species from another but it is also used for phylogenetic levels higher or lower than the species.

UV irradiation of polycyclic aromatic hydrocarbons in ices: production of alcohols, quinones, and ethers. (1/70)

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. (2/70)

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. (3/70)

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. (4/70)

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? (5/70)

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. (6/70)

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)

Nebular and auroral emission lines of [Cl III] in the optical spectra of planetary nebulae. (7/70)

Electron impact excitation rates in Cl III, recently determined with the R-matrix code, are used to calculate electron temperature (T(e)) and density (N(e)) emission line ratios involving both the nebular (5517.7, 5537.9 A) and auroral (8433.9, 8480.9, 8500.0 A) transitions. A comparison of these results with observational data for a sample of planetary nebulae, obtained with the Hamilton Echelle Spectrograph on the 3-m Shane Telescope, reveals that the R(1) = I(5518 A)/I(5538 A) intensity ratio provides estimates of N(e) in excellent agreement with the values derived from other line ratios in the echelle spectra. This agreement indicates that R(1) is a reliable density diagnostic for planetary nebulae, and it also provides observational support for the accuracy of the atomic data adopted in the line ratio calculations. However the [Cl iii] 8433.9 A line is found to be frequently blended with a weak telluric emission feature, although in those instances when the [Cl iii] intensity may be reliably measured, it provides accurate determinations of T(e) when ratioed against the sum of the 5518 and 5538 A line fluxes. Similarly, the 8500.0 A line, previously believed to be free of contamination by the Earth's atmosphere, is also shown to be generally blended with a weak telluric emission feature. The [Cl iii] transition at 8480.9 A is found to be blended with the He i 8480.7 A line, except in planetary nebulae that show a relatively weak He i spectrum, where it also provides reliable estimates of T(e) when ratioed against the nebular lines. Finally, the diagnostic potential of the near-UV [Cl iii] lines at 3344 and 3354 A is briefly discussed.  (+info)

Titanium carbide nanocrystals in circumstellar environments. (8/70)

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)

*Astronomy

As "forensic astronomy", finally, methods from astronomy have been used to solve problems of law and history. Astronomy is one ... Historically, optical astronomy, also called visible light astronomy, is the oldest form of astronomy. Images of observations ... Radio astronomy is different from most other forms of observational astronomy in that the observed radio waves can be treated ... Astronomy books from the History of Science Collection at Linda Hall Library Astronomy portal Cosmology portal Space portal. ...

*Hebrew astronomy

"Hebrew Astronomy: Deep Soundings from a Rich Tradition." In Astronomy Across Cultures: The History of Non-Western Astronomy, ed ... Hebrew astronomy refers to any astronomy written in Hebrew or by Hebrew speakers, or translated into Hebrew. It also includes ... Jewish Astronomy/Astrology Josephus, The Antiquities of the Jews, Book I:1-3. Isaiah 13:10; Amos 5:8; Job 9:9, 38:31. Amos l.c ... In practical astronomy Jewish work was even more effective. Jacob ben Makir (who is known also as Profiat Tibbon) appears to ...

*Astronomy Today

Gene Lawrence produced Astronomy Today in Vancouver. The half-hour series aired Sundays at 3:30 p.m. (Eastern) from 24 May to ... Astronomy Today was a Canadian science television series which aired on CBC Television in 1959. F. A. Kaempffer, a University ... Allan, Blaine (1996). "Astronomy Today". Queen's University. Archived from the original on 11 March 2010. Retrieved 7 May 2010 ... Corcelli, John (February 2005). "Astronomy Today". Canadian Communications Foundation. Retrieved 7 May 2010. ...

*Maya astronomy

... was naked-eye astronomy based on the observations of the azimuths of the rising and setting of heavenly bodies. ... Maya astronomy is the study of the moon, planets, milky way, sun, and other astronomical occurrences by the Precolumbian Maya ... One of the most studied sites for the topic of Mayan astronomy is the Caracol at Chichen Itza. The Caracol is an observatory ... The Classic Maya in particular developed some of the most accurate pre-telescope astronomy in the world, aided by their fully ...

*Astronomy Class

"Astronomy Class". Beat Magazine. 25 April 2007. Retrieved 10 March 2008. [dead link] "Astronomy Class - Space Madness". Scene ... Marking the International Year of Astronomy, Astronomy Class released their second album, Pursuit Of Happiness, on 2 May 2009. ... Astronomy Class are an Australian hip-hop / reggae group from Sydney. The group comprises Ozi Batla (Shannon Kennedy), Sir ... Ozi Batla Astronomy Class were the sole support artists for Lily Allen's Brisbane and Sydney tour dates in 2007. ...

*Infrared astronomy

... is the branch of astronomy and astrophysics that studies astronomical objects visible in infrared (IR) ... Rieke, George H. (2009). "History of infrared telescopes and astronomy". Experimental Astronomy. 25 (1-3): 125-141. Bibcode: ... and infrared astronomy became well established as a subfield of astronomy. In 1995, the European Space Agency created the ... and modern infrared astronomy was established. Infrared and optical astronomy are often practiced using the same telescopes, as ...

*Extinction (astronomy)

doi:10.5479/ADS/bib/1930LicOB.14.154T. Karttunen, Hannu (2003). Fundamental astronomy. Physics and Astronomy Online Library. ... In astronomy, extinction is the absorption and scattering of electromagnetic radiation by dust and gas between an emitting ... Series in Astronomy and Astrophysics (2nd ed.). CRC Press. p. 10. ISBN 0750306246. See Binney and Merrifeld, Section 3.7 (1998 ... In astronomy, interstellar reddening is a phenomenon associated with interstellar extinction where the spectrum of ...

*Cultural astronomy

... history of astronomy (understanding and study and evolution of the discipline of astronomy over the course of human knowledge) ... the study of the use of astronomy and its role in contemporary cultures), historical astronomy (analyzing historic astronomical ... understanding the astrological roots of astronomy and understanding the differences between astrology and astronomy). ... Cultural astronomy is the set of interdisciplinary fields studying the astronomical systems of current or ancient societies and ...

*Slacker Astronomy

... is a weekly audio podcast about astronomy news that aired weekly from February 14, 2005 to September 14, 2006 ... "A History and Informal Assessment of the Slacker Astronomy Podcast". Astronomy Education Review. 5 (1): 53-69. arXiv:astro-ph/ ... The name 'Slacker Astronomy' was a trial name, and was meant to change early on in production but just stayed the same. The ... Slacker Astronomy peaked at #4 in the top 10 Science & Medicine podcasts in iTunes Store in January, 2006 and at the time ...

*Void (astronomy)

Physics and Astronomy, University of Kansas, Lawrence, KS, USA. Visualization of Nearby Large-Scale Structures Fairall, A. P., ... The new redshift surveys revolutionized the field of astronomy by adding depth to the two-dimensional maps of cosmological ... Astronomy and Computing. 9: 1-9. arXiv:1406.1191 . Bibcode:2015A&C.....9....1S. doi:10.1016/j.ascom.2014.10.002. Pan, 2011, ...

*Epoch (astronomy)

In astronomy, an epoch is a moment in time used as a reference point for some time-varying astronomical quantity, such as the ... Astronomy & Astrophysics, 73, 282-284 (1979) "SOFA Libraries Issue 2007-08-10". 2007-08-18. Retrieved 2008-10-01. See NASA Jet ... Thus the coordinate systems most used in astronomy need their own date-reference because the coordinate systems of that type ... November 1982). "Conversion of positions and proper motions from B1950.0 to the IAU system at J2000.0". Astronomy and ...

*Astronomy Camp

... is a science summer camp hosted by the University of Arizona's Alumni Association, and run by astronomer Don ... Don McCarthy won the American Astronomical Society Education Prize in 2012 in part for his work running Astronomy Camp. Mount ...

*Astronomy & Geophysics

... , also known as A&G, is a peer-reviewed scientific journal published on behalf of the Royal Astronomical ... Contributions to Astronomy & Geophysics are not restricted to RAS members. The journal is abstracted and indexed in: Academic ... "Astronomy and Geophysics". Royal Astronomical Society. March 8, 2005. Retrieved 2010-06-10. Home page. Wiley-Blackwell. 2010 " ... As of November 2016[update], it is edited by Sue Bowler (University of Leeds). The journal covers astronomy, astrophysics, ...

*Astronomy Letters

... space astronomy, theoretical astrophysics, radio astronomy, extra galactic astronomy, stellar astronomy, and investigation of ... Astronomy Reports "Astronomy Letters". 2011 Journal Citation Reports. Web of Science (Science ed.). Thomson Reuters. 2012. ... Astronomy Letters was established in 1994 and published bimonthly. From 1999, it has been published monthly. The editor-in- ... Astronomy Letters (Russian: Pis'ma v Astronomicheskii Zhurnal) is a Russian peer-reviewed scientific journal. The journal ...

*Royal Astronomy

"Royal Astronomy - µ-Ziq". AllMusic. Retrieved 16 March 2017. "µ-Ziq: Royal Astronomy". Alternative Press (134): 108. September ... Royal Astronomy is the fifth studio album by British electronic music producer µ-Ziq, released on 26 July 1999 by Hut Records ... Jon Dolan of Spin gave the album a 7 out of 10, saying, "Royal Astronomy is his most ambitious work to date: a bold stab at ... "u-Ziq, Royal Astronomy". PopMatters. Archived from the original on 3 September 2000. Retrieved 16 March 2017. CS1 maint: BOT: ...

*Asterism (astronomy)

In observational astronomy, an asterism is a popular known pattern or group of stars that are recognised in the night sky. This ... Australian Aboriginal astronomy Chinese constellation Former constellations Nakshatra In usage, this reflects that ' ... "An Etymological Dictionary of Astronomy and Astrophysics: asterism". January 2018. Allen, Richard H. (1899). Star Names: Their ... "An Etymological Dictionary of Astronomy and Astrophysics: constellation". January 2018. " ...

*Radar astronomy

... differs from radio astronomy in that the latter is a passive observation and the former an active one. Radar ... "Radar Astronomy and Space Radio Science". Retrieved 2008-05-15. Dr. Jean-Luc Margot. "Introduction to Asteroid Radar Astronomy ... Radar astronomy is a technique of observing nearby astronomical objects by reflecting microwaves off target objects and ... The maximum range of astronomy by radar is very limited, and is confined to the Solar System. This is because the signal ...

*Neutrino astronomy

... is the branch of astronomy that observes astronomical objects with neutrino detectors in special ... Neutrino astronomy may also indirectly detect dark matter. List of neutrino experiments Cowan, C. L., Jr.; Reines, F.; Harrison ... doi:10.1016/0031-9163(65)90712-2. Spiering, C. (2012). "Towards High-Energy Neutrino Astronomy". European Physical Journal H. ... the core can be observed using neutrino astronomy. Other sources of neutrinos- such as neutrinos released by supernovae- have ...

*Muisca astronomy

Colombia portal Astronomy portal Archaeoastronomy Muisca calendar Maya astronomy Ocampo López, 2007, Ch.V, p.226 Schrimpff, ... Astronomy was an important factor in the organisation of the Muisca, both in terms of cycles of harvest and sowing and in the ... This article describes the astronomy of the Muisca. The Muisca, one of the four advanced civilisations in the Americas before ... Important scholars who have contributed to the knowledge of the Muisca astronomy were José Domingo Duquesne and Alexander von ...

*Plage (astronomy)

A plage is a bright region in the chromosphere of the Sun, typically found in regions of the chromosphere near sunspots. The term itself is poetically taken from the French word for "beach". The plage regions map closely to the bright spots (faculae) in the photosphere below, but the latter have much smaller spatial scales. Accordingly, plage occurs most visibly near a sunspot region. Faculae have a strong influence on the solar constant, and the more readily detectable (because chromospheric) plage areas traditionally are used to monitor this influence. In this context "active network" consists of plage-like brightenings extending away from active regions as their magnetism appears to diffuse into the quiet Sun, but constrained to follow the network boundaries. Because we can explain faculae with the strictly photospheric "hot wall" model, what the actual physical relationship between plage and faculae may be is not clear. Topka, K. P.; Tarbell, T. D.; Title, A. M. (1997). "Properties of the ...

*Tibetan astronomy

The Tantra of Kalachakra is the basis of Tibetan astronomy. It explains some phenomena in a similar manner as modern astronomy ... In 1318, the 3rd Karmapa received vision of Kalachakra which he used to introduce a revised system of astronomy and astrology ... Alexander Berzin Tibetan Astrology and Astronomy. in Maitreya Magazine (Emst, Holland), vol. 11, no. 4 (1989). Berzin, A ...

*Chinese Astronomy

... may refer to : Chinese astronomy, the history of Chinese knowledge and scientific culture about astronomy. ...

*Bulge (astronomy)

In astronomy, a bulge is a tightly packed group of stars within a larger formation. The term almost exclusively refers to the ... R. C. (2004). "Secular Evolution and the Formation of Pseudobulges in Disk Galaxies". Annual Review of Astronomy and ... arXiv:astro-ph/0502316 . Bibcode:2005MNRAS.358.1477A. doi:10.1111/j.1365-2966.2005.08872.x. SAO Encyclopedia of Astronomy ...

*Astronomy (disambiguation)

Astronomy may also refer to: Astronomy (magazine), an amateur American astronomy periodical Astronomy (Dragonland album), an ... "Astronomy" (song), by American rock band Blue Öyster Cult "Astronomy Domine", a song by British psychedelic rock band Pink ... Astronomy is the scientific study of celestial objects. ... album by Swedish power metal band Dragonland Astronomy (Bleach ...

*Conjunction (astronomy)

In astronomy, a conjunction occurs when two astronomical objects or spacecraft have either the same right ascension or the same ... Appulse Astrometry Positional astronomy Astronomical opposition Elongation Great conjunction Great conjunction § Greatest ... The conjunction symbol is not used in modern astronomy. It continues to be used in astrology. When two objects always appear ... conjunction Syzygy (astronomy) Transit of Venus Triple conjunction Her Majesty's Nautical Almanac Office and United States ...
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 ...
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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 ...
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.. ...
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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)?
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
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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.. ...
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Now that you have some feeling for the scales of time and space that astronomy encompasses and some of the difficulties caused by being Earth-bound (well, okay: solar-system bound!), lets take a look at what is up there in the sky beyond the clouds. In this chapter, you will learn where to find the key points on the night sky, how to use the coordinate system that astronomers use, how the Suns position among the stars changes and how that affects the temperature throughout the year, and about the phases of the Moon and eclipses. At the end of chapter, you will learn about the motions of the planets among the stars. All of the things in this chapter, you can observe without a telescope---naked eye astronomy (note to Jesse Helms and Sen. Exon: that means astronomy without the use of a telescope). You just need to observe the objects carefully and notice how things change over time. The vocabulary terms are in boldface. ...
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
Associate Professor of History and Philosophy of Astronomy and Physical Science (retired). He was born in Athens, Greece on the 12th of March, 1949. He got his B.Sc. in Mathematics from the Aristotle University of Thessaloniki, Greece (1972) and his Ph.D. in Astrophysics from the Physics Department of the University of Athens, Greece (1983). He has worked as Laboratory Assistant, Lecturer and Assistant Professor at the Physics Department of the University of Athens. His scientific interests include History and Philosophy of Astronomy and Physical Sciences, Observational Astronomy and Astrophysics, Satellite spectrophotometry of Be and variable stars. He has published 43 scientific papers in refereed journals (14 in Astrophysics and 29 in History and Philosophy of Astronomy), 18 papers in the British Sundial Society Bulletin (BSB) and North American Sundial Society Bulletin (NASS) and 147 papers in conference proceedings in Greece and abroad (65 in Astrophysics and 82 in History and Philosophy of ...
Ahmed Zewali, winner of the Nobel Prize in Chemistry (1999).. Although we live in a world faced with the many immediate problems of hunger, poverty, energy and global warming, we argue that astronomy has long term benefits that are equally as important to a civilized society. Several studies (see below) have told us that investing in science education, research and technology provides a great return - not only economically, but culturally and indirectly for the population in general - and has helped countries to face and overcome crises. The scientific and technological development of a country or region is closely linked to its human development index - a statistic that is a measure of life expectancy, education and income (Truman, 1949).. There are other works that have contributed to answering the question "Why is astronomy important?" Dr. Robert Aitken, director of Lick Observatory, shows us that even in 1933 there was a need to justify our science, in his paper entitled The Use of Astronomy ...
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 ...
Astronomy.com is for anyone who wants to learn more about astronomy events, cosmology, planets, galaxies, asteroids, astrophotography, the Big Bang, black holes, comets, constellations, eclipses, exoplanets, nebulae, meteors, quasars, observing, telescopes, NASA, Hubble, space missions, stargazing, and more
Astronomy.com is for anyone who wants to learn more about astronomy events, cosmology, planets, galaxies, asteroids, astrophotography, the Big Bang, black holes, comets, constellations, eclipses, exoplanets, nebulae, meteors, quasars, observing, telescopes, NASA, Hubble, space missions, stargazing, and more
Astronomy and physics education research and comments, field-tested think-pair-share (peer instruction) clicker questions, flashcard questions, in-class activities (lecture-tutorials), current events questions, backwards faded scaffolding laboratories, Hake gains, field-tested multiple-choice and essay exam questions, indices of discrimination, presentation slides, photos, ephemerae, astronomy in the marketplace, unrelated random sketches and minutiae.. ...
There are three research units in the division: Galactic Astronomy , Extragalactic Astronomy and Plasma Physics and Fusion Energy​ ​. Our research covers a wide range of topics from planetary atmospheres, through the early evolution of stars and planets, to late stages of stellar evolution, the phys
Astronomy Cast podcast on demand - Astronomy Cast takes a fact based journey through the cosmos as it offers listeners weekly discussions on astronomical topics ranging from planets to cosmology.
Astronomy and physics education research and comments, field-tested think-pair-share (peer instruction) clicker questions, flashcard questions, in-class activities (lecture-tutorials), current events questions, backwards faded scaffolding laboratories, Hake gains, field-tested multiple-choice and essay exam questions, indices of discrimination, presentation slides, photos, ephemerae, astronomy in the marketplace, unrelated random sketches and minutiae.. ...
Solar astronomy suffers from the same kind of atmospheric distortions that night time astronomy suffers from. To make allowances and correct for the distortions, adaptive optics is used which use computers to take into account the distortions and make telescopic corrections, giving an image as close as possible to the diffraction limit.
In early times, astronomy was related with the observation of the motions of objects visible to the naked eye. All ancient cultures such Chinese Egyptian and Greek civilization had myths and stories about universe creation.The Greeks was not the first culture with universe predictions and observations but their philosophers was widely distributed by the Romans ans consequently for hundreds of years. Eratosthenes of Cyrene ( c.276BC-c.195BC) measured the circumference of the earth to within 3000 Km and Aristarchus of Samos (310BCE-ca.230BCE) first stated that earth revolves around the sun. There were also some cultures which used some structures like ancient calendars but we know little about this. Modern astronomy dates in Europe in about 1300 AD ...
Doctoral students in Physics and Astronomy have the opportunity to make original and significant contributions to science within a department recognized globally for leading research. The PhD program appeals to students planning a career in academia, government labs, leadership roles, and industry. The programs connects students with state-of-the-art experimental and computational facilities both here and at collaborating institutions, and with world-renowned researchers in one of six focus areas: Astronomy and Astrophysics, Complexity, Environmental and Isotope Physics, Radiation Oncology Physics, Quantum Information and Quantum, Atomic, and Molecular Optics, and Space Physics. These focus areas lie within program specializations that students apply to: Physics, Astrophysics, Space Physics or Radiation Oncology Physics (including Medical Imaging/Medical Physics).. The PhD under Radiation Oncology Physics (ROP) is a Commission on Accreditation of Medical Physics Education Program (CAMPEP) ...
Read chapter 4 Astronomy in Society: Driven by discoveries, and enabled by leaps in technology and imagination, our understanding of the universe has chan...
faculty members from the Department of Physics and Astronomy at Ball State are involved in a wide-range of research. Students help with that research. Whether they are seeking a bachelors or masters degree, they will be actively involved in research in physics and astronomy education, electronic instrumentation design, and computer vision systems. Not only are we doing groundbreaking research, our medical physics research has had a significant impact in the Muncie community since 2001. In addition, Ranjith Wijesinghe, who specializes in medical physics, and his students are working on two exciting research areas. One is the study of electrical and magnetic properties of propagating action signals in nerve and muscle bundles, and the other is the mathematical modeling of EEG and MEG signals. Not only are we doing groundbreaking research, our medical physics research has had a significant impact in the Muncie community since 2001.
The Centre for Advanced Materials and Biomaterials Research (CAMBR) at Western held the 2015 Distinguished Lecture and Research Showcase on Monday, April 27, 2015.. The day began at Conron Hall with the keynote lecture given by Professor Gregory D. Scholes of Princeton University. His presentation was titled "Photosynthetic light harvesting and ultrafast energy transfer".. Three sessions of oral presentations were followed by a reception and poster presentations in the atrium of the Physics and Astronomy building.. The Department of Physics and Astronomy was well represented during the course of the event.. [photo slideshow] [Flickr]. ...
This collection contains scholarly articles, reports and other publications authored by faculty members in the Department of Physics and Astronomy at Minnesota State University, Mankato. PLEASE NOTE : Some of the works contained in this collection have restricted access to full-text due to copyright and licensing terms. If you are affiliated with the University (current registered student or current faculty/staff) and on-campus, the Link to Full-Text will direct you to the licensed version of the full-text. If you are affiliated with the University and off-campus, you can use the Journals List to obtain full-text. You will need your StarID and Password to access online journals from off-campus. If you are not affiliated with the University, please click on Link to Publisher Version (DOI) to go to the publishers site. You can contact your local library to obtain full-text access. ...
SciStarter, Science Cheerleader, Astronomy Magazine, and Discover Magazine exhibit will kick off events in celebration of Citizen Science Day with Public TVs The Crowd & The Cloud!. Washington, DC - (February 15, 2016) - Celebrate Citizen Science at the USA Science & Engineering Festival (USASEF) by doing fun activities that will contribute to meaningful research on the environment, genetics, biology and more. Visit booth # 3523 to learn what citizen science is, and how to do interesting projects at home using the SciStarter website. At the booth youll meet experts and editors from Astronomy Magazine, Discover Magazine, and the upcoming public television series The Crowd & The Cloud. You can participate in research with scientists who will join us. Meet members of the Science Cheerleader group (current and former NFL and NBA cheerleaders pursuing science and technology careers) who will perform science-themed routines, talk to kids about their dual careers as scientists and professional ...
Ioannis Bellas-Velidis obtained his BSc in Physics in 1976, his MSc in Astrophysics in 1978 and his PhD in 1990 from the Sofia University (Bulgaria). From 1975 to 1978, he worked as astronomer in the Public Observatory at Kardjaly (Bulgaria) and from 1989 to 1994 to National Observatory of Athens. From 1994 to 2006, he worked as science support staff at the former Institute of Astronomy and Astrophysics of the National Observatory of Athens. In 2006, he was promoted to Associate Researcher and since 2009 he works as Senior Researcher at the Institute for Astronomy, Astrophysics, Space Applications and Remote Sensing of the National Observatory of Athens.. ...
As a general rule of thumb, and without knowing anything about you other than what you posted here, I would gently advise you not to switch to astronomy as a major unless you are passionate about it -- so much so that you would really like to work in the field -- and are willing to work insanely hard to catch up. If you were an entering freshman, I might advise otherwise -- because even if you didnt want to work in astronomy/physics, you would still pick up enough stuff in the major courses that would be useful for lots of different potential careers, in addition to being (in my biased opinion) pretty interesting. The same is true for you, but with the caveat that you would have to spend an extra couple of years in college in order to get that particular major. I think that only makes sense if you actually want to do this stuff as a career (or are wealthy enough not to care about 2 extra years of tuition)-- otherwise, just switch to some other major that interests you that you can actually ...
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I distinctly remember when I was about 6 or 7, I had awoken from sleep and noticed that apart from still being in yesterdays clothes - I must have been left as I was, not having been woken for dinner, let alone been in a bath, - when I couldnt understand why it was getting darker all the while. My Dad said something about it being the End of the World. It was a quite dry statement but I believed it, at least until it got really dark, when I realised that it was still the day before!. I had just fallen asleep, and on awakening, I was encouraged to believe something terrible was happening, and I bought it. It was of course a big joke, and the fact that I have this event indelibly etched in my memory, but fortunately not on my phyche, is why I mention it now.. I do not think it was a lesson I had to learn, or that someone was out to destroy me, it was more likely an opportunaty for a bit of fun. My Dad was a quiet man, but there must have been a bit of devil in him. I appreciate that he must ...
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2009 - 2017 Institute of Astronomy, University of Cambridge. Institute of Astronomy, University of Cambridge, Madingley Road, Cambridge CB3 0HA • Tel:+44 (0)1223 337548 • Fax:+44 (0)1223 ...
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I address two key problem in understanding the evolution of giant molecular clouds (GMCs): 1.) what are the properties of molecular clouds before the onset of OB star formation? 2.) what effect OB stars have on star formation in nearby molecular clouds? These problems are approached through multiwavelength observations of three molecular clouds. Two of the clouds, the NGC 281 West and DR22 molecular clouds, are clearly evolved and are associated with young OB associations. The third, the Maddalena Thaddeus cloud, may be a rare example of a massive giant molecular cloud before the onset of massive star formation. Using a combination of near--infrared imaging, CO and CS mapping, and VLA continuum imaging, we will discuss the 1.) the distribution of dense gas, 2.) the number and distribution of embedded stars, 3.) and the detection of associated ionized gas. For the NGC 281 West and DR 22 molecular clouds, we find evidence that the dense gas is concentrated on the edge of the molecular cloud facing ...
We model Milky Way like isolated disk galaxies in high resolution three-dimensional hydrodynamical simulations with the adaptive mesh refinement code Enzo. The model galaxies include a dark matter halo and a disk of gas and stars. We use a simple implementation of sink particles to measure and follow collapsing gas, and simulate star formation as well as stellar feedback in some cases. We investigate two largely different realizations of star formation. Firstly, we follow the classical approach to transform cold, dense gas into stars with an fixed efficiency. These kind of simulations are known to suffer from an overestimation of star formation and we observe this behavior as well. Secondly, we use our newly developed FEARLESS approach to combine hydrodynamical simulations with a semi-analytic modeling of unresolved turbulence and use this technique to dynamically determine the star formation rate. The subgrid-scale turbulence regulated star formation simulations point towards largely smaller ...
This book provides an overview of many of the dramatic recent developments in the fields of astronomy, cosmology and fundamental physics. Topics include
In this weeks questions show, I answer what will bring geostationary satellites back to Earth, if you could use the heat on Venus to power a rover, why are we so arrogant to believe that life formed only here on Earth, and more.. 01:38 How long will geostatationary satellites survive?. 04:31 Could you use the heat on Venus to power a rover?. 05:50 Arrogant to think Earth is unique with life. 07:33 What kinds of rocks are on Mars?. 09:31 Perovskite solar panels on Earth?. 11:27 Could there be planets with polar orbits?. 13:13 SagA* % mass of the Milky Way. 14:25 How do missions tackle micrometeorites?. 17:05 Why doesnt a black hole turn into a regular object?. 18:22 Why do sci-fi spacecraft move unrealistically in space?. 21:11 What clocks will Martians use?. 23:03 Could we search for dips in light to find Planet 9?. Want to be part of the questions show? Ask a short question on any video on my channel. I gather a bunch up each week, and answer them here.. Our Book is ...
Messiers catalog of nebulous objects begins with M1 the Crab Nebula. In 18th-century telescopes it was just a fuzzy patch, yet imaged by the Hubble Space Telescope, its fascinating and intricate. But what is it? Why is it called the Crab Nebula? And what amazing secret does it hide? - M1 Crab Nebula - Astronomy at BellaOnline
We bring you the highlights from the Royal Astronomical Societys National Astronomy Meeting. We discover the top priorities for the next generation of space exploration, find out what the echoes of the big bang can tell us about the birth of the universe and explore gravitational waves - ripples in the very fabric of space and time. Plus, the importance of understanding the Sun, predicting the weather in space and the biochemical options for alien life.
Nebulae at Astronomy : Nebulae are vast clouds of gas and dust between the stars. Some are stellar nurseries, others are remnants of dead stars.
actually, its space itself that expands, not the objects in it - and like any expanding gas it cooled. After about a microsecond, it had cooled enough for protons and neutrons to form. Three minutes later (yes, just three minutes) it had cooled enough for protons and neutrons to stick together. Hydrogen, helium, and just a dash of lithium were created, and these would be the only elements for some time (hundreds of millions of years, in fact). The Universe was a thick soup of matter and energy.. It kept expanding and cooling. At this point, it was opaque to light. A photon couldnt travel an inch without smacking into an electron and then getting sent off in some other random direction. However, after a few hundred thousand years, an amazing thing happened: neutral hydrogen could form. Before this point, the Universe was still too hot; as soon as an electron bonded with a proton, some ultraviolet photon would come along and whack it off. But at that golden moment the cosmos had cooled off ...
The Herschel space observatory has discovered water vapor in a pre-stellar core in the constellation of Taurus known as Lynds 1544. This is the first detection of water vapor in a molecular cloud on the verge of star formation.. ESAs Herschel space observatory has discovered enough water vapor to fill Earths oceans more than 2000 times over, in a gas and dust cloud that is on the verge of collapsing into a new Sun-like star.. Stars form within cold, dark clouds of gas and dust - pre-stellar cores - that contain all the ingredients to make solar systems like our own.. Water, essential to life on Earth, has previously been detected outside of our Solar System as gas and ice coated onto tiny dust grains near sites of active star formation, and in proto-planetary discs capable of forming alien planetary systems.. The new Herschel observations of a cold pre-stellar core in the constellation of Taurus known as Lynds 1544 are the first detection of water vapor in a molecular cloud on the verge of ...
Curriculum Design and Instruction To Teach About The Universe: Astronomy and the Universe: Author: Charles Hayes: Special Features Inclu
Since Hubbles time, a few more sky surveys have been conducted. But most astronomy research focused on observing a small number of individual objects, often chosen because they appeared somehow unusual. By choosing unusual objects, astronomers were attempting to observe and categorize a broad range of celestial phenomena to discover and constrain the limits of "what s out there." But some astronomers using this research method found that calculations they thought were simple and straightforward were actually difficult. For example, they found that it was particularly hard to determine the expansion rate of the universe (called the Hubble constant), the density of the universe, how galaxies cluster together, and even what makes up most of the matter in the universe. The reasons for these difficulties are clear: astronomers had too little data to work with. It was as if they had been trying to study the oceans, but seeing only a small patch of the North Atlantic. Astronomers realized that it was ...
Are you looking for Gcse Astronomy in County-longford? Call Planet Earth Education & Mobile Stars Planetarium today on 0161 653 9092.
This course will examine a selection of plays that use astronomy or physics to delve into the scientific process, including plays by Brecht, Frayn, and Stoppard. By focusing on the moments abutting the instant of scientific discovery, these plays expose people at their most exhilarated and vulnerable. This creates an ideal space to explore the scientific idea itself as well as the attending complex human interactions and issues such as gender and genius, the interplay of society and science, and the scientists responsibility to society. The course will guide the student through humanitys evolving view of cosmology, loosely mirroring the arc of the scientific content of the plays and pausing to focus on three pivotal moments in our understanding of the universe. In addition to addressing these key ideas, we will study the theatricality of the plays. We will examine the experiences of the playwright in the writing process, and the director and actor in bringing the play from the page to the ...
Scientists recently upgraded the Atacama Large Millimeter/submillimeter Array (ALMA) by installing an ultraprecise atomic clock at ALMAs Array Operations Site, home to the observatorys supercomputing correlator. This upgrade will eventually allow ALMA to synchronize with a worldwide network of radio astronomy facilities collectively known as the Event Horizon Telescope (EHT).
Astronomy and Astrophysics, Supplement Series (A&AS) published data papers, either observational or theoretical, as well as extensive data material forming the basis of papers with astrophysical results
Children from Tanzania participate in a Universe Awareness (UNAWE) activity during the International Year of Astronomy 2009. This is one of the many examples of UNAWE activities that have been taken place in more than 40 countries. The recent grant from the European Union for the EUNAWE project will support the implementation of UNAWE in 6 countries and empower the UNAWE programme in many other countries.. Credit: ...
Vi serverar online The Invisible Universe: The Story of Radio Astronomy Design sort. Why pass I see to infer a CAPTCHA? continuing the CAPTCHA has you are a close and is you valuable love to the standpoint rationale.
One of the wonderful things about astronomy is that it is so different from our everyday experience. Things are not what they might seem at first glance. Who could have guessed that those tiny little specks of light in our night sky are actually "suns" hundreds of times larger than Earth? Who would have suspected that the "evening star" is actually a rocky planet about the same size as our own?. God has constructed the universe in a truly marvelous way. As we study it, the universe continually surprises and delights us by challenging our understanding of how things work. More... ...
This is a video with stabilized images in Sony Vegas. It shows craters on the southeast of our Moon, and Rupes Altai, surrounding the southeast of Mare Nectaris basin. Rupes Altai appears in the first part of the video, on right. It is the long border, ending below with the crater Piccolomini (88km ...
Free Essays from Bartleby | our complex universe. Astronomy guides scientists to the obvious basics and the deep secrets of the never-ending galaxies that...
The public is invited to the Physics department to learn about the wonders of the night sky and view them through our telescopes. Events start in the Building 50 lobby. A guest speaker gives a short public talk starting at 8 PM. Following the talk there is public observing on the roof accessible via the elevator. Observation takes place on the roof, so dress comfortably and for the outdoors. You are encouraged to ask questions of professors and students throughout the night.. Telescope viewings can only take place if cloud cover permits, but the public talk will be held regardless of weather. If you arrive after 8:30pm please take the elevator to the 4th floor. No reservations are needed for this event.. Astronomy nights in Fall 2019 are held on the first Friday night of each month.. ...
International Year of Astronomy 2009, IAU and UNESCO Visual design: Martin Kornmesser & Luis Calçada. Music and Sound Effects: MoveTwo (Axel Kornmesser & Markus Löffler). Footage and photos: Gemini Observatory (Kirk Puuohau-Pummill/Peter Michaud), CFHT (Jean-Charles Cuillandre), TWAN (Babak Tafreshi, Laurent Laveder), Martin Kornmesser (ESA/Hubble), NASA, NASA/ESA Hubble Space Telescope, ESA/Mars Express, Kevin Govender, NASA/Spitzer Space Telescope, ESO/VLT/ALMA, & Akira Fujii. Project lead: Lars Lindberg Christensen (ESA/Hubble) ...
It is advised that, before trying the homework, the student print out the assignment and review it. You are only allowed THREE TRIES at each problem, so review the material well before starting the homework set, and be sure that you have the correct answer before entering it. Most of the first and second assignments will be review of material covered in Astronomy I and II (the night sky, celestial coordinates, magnitudes, and basic information on telescopes). Most of this material will be in the astronomy textbook and lab manuals used for Astronomy I and Astronomy II. Some additional required material on coordinate systems is available on-line at the ...
The Manchester Physics Series General Editors: D. J. Sandiford; F. Mandl; A. C. Phillips Department of Physics and Astronomy, University of Manchester Properties of Matter B. H. Flowers and E. Mendoza Optics Second Edition F. G. Smith and J. H. Thomson Statistical Physics Second Edition E. Mandl Electromagnetism Second Edition I. S. Grant and W. R. Phillips Statistics R. J. Barlow Solid State Physics Second Edition J. R. Hook and H. E. Hall Quantum Mechanics F. Mandl Particle Physics Second Edition B. R. Martin and G. Shaw The Physics of Stars Second Edition A. C. Phillips Computing for Scientists R. J. Barlow and A. R. ...
Alvio Greggio held a professorship at the University of Bologna before he joined the European Southern Observatory (ESO) as Very Large Telescope program scientist, where he served until 2005; since then he is working at the National Institute of Astrophysics, INAF, in Italy. About 200 peer reviewed papers bear his name, making him one of the most cited scientists in his field ...
COMMENTARY. Potential technological spin-offs from MeerKAT and the South African Square Kilometre Array bid. David B. Davidson. Department of Electrical and Electronic Engineering, Stellenbosch University, Stellenbosch, South Africa. Correspondence to. As this issue goes to press, the international Square Kilometre Array (SKA) Site Advisory Committee is considering South Africa and Australias respective bids to host the worlds largest radio telescope, with an effective receiving area of one million square metres. First mooted in 1991,1 the project is drawing increasingly close to realisation.. Following the 1996 White Paper on Science and Technology2 which identified astronomy as an area of key geographical advantage (further reinforced in the 2002 National Research and Development Strategy), South Africa has been energetically pursuing major astronomy projects. The first such project was optical astronomy (SALT). Since the mid-2000s, the thrust has been in radio astronomy, initially with the ...
Welcome to the lunar pages of my astronomy blog. To make things a little easier for you, I divided the lunar blog entries into four categories, Lunar basics, Lunar geology, Lunar log and Lunar scraps. In the Lunar basics section, I will publish small articles about a few basic lunar properties: the Moons orbit, lunar phases, libration, locked rotation, apparent motion of the Moon across the sky, a table with basic lunar data etc. In the Lunar geology section, I will publish small articles about lunar geology. In the Lunar log I am filing my lunar observing reports. Finally, in Lunar scraps you will find various things that have to do with observing the Moon, short articles, images, books, links etc ...
A blog about pseudo-science in astronomy. Topics include Young-Earth creationism, Electric Universe, Biblical Geocentrism, and relativity denial.
In the two-year track Physics of Life and Health in the Masters programme Physics and Astronomy, a joint degree with the Vrije Universiteit Amsterdam, you will use the language of physics to explore the secrets of life processes. In September 2018 this Masters track will be renamed to Biophysics and Biophotonics.
Colloquia in Department of Physics and Astronomy are generally held on Monday afternoon from 4:10-5:30 P.M. in Room 3, Physics Hall. For every colloquium, there is a social time with coffee and cookies which starts at 3:30 P.M. in A107, Zaffarano Physics Addition. The Physics Department can be found using this map. Special Colloquia may be held at different times, so please check the event listings for complete details. ...
To the Penn Physics and Astronomy Department and the Penn Community at large:. We invite you to share in a celebration and recollection of Tom Woods life in his home, the center of so many of the things he held dear, on Saturday, October 20, 2012 at 2:00 p.m. followed by a reception at 4:00 p.m., 375 Baird Road, Merion Station, Pennsylvania....Scott Wood. 1953 - Awarded Ph.D. in Physics - University of Chicago. 1963 - Full Professor of Physics - University of Pennslvania. 1989 - Emeritus Professor - University of Pennsylvania. Thomas Hamil Wood. ...
These requirements apply to the Class of 2019 or earlier classes.. Students majoring in physics or astronomy normally take PHYSICS 135-1,2,3 in their first year. Qualified students may take PHYSICS 125-1,2,3 (Physics for ISP) with consent of the department. Depending on their high school preparation, physics and astronomy majors normally also take calculus in their freshman year (MATH 220, 224, 230). However, students taking PHYSICS 125-1,2,3 must be enrolled in one of the advanced mathematics sequences (MATH 281-1,2,3 or 290-1,2,3).. Specifically, physics and astronomy majors must pass these courses or the equivalent:. Basic Courses (6 units). MATH 220 and 224 or 212, 213, and ...
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Transverse energy production and charged-particle multiplicity at midrapidity in various systems from root s(NN)=7.7 to 200 GeV, Andrew Adare, Nicole Apadula, S. Belikov, Sarah C. Campbell, Paul Constantin, Lei Ding, Alan Dion, Nathan C. Grau, John C. Hill, Nels J. Hotvedt, Todd Kempel, John G. Lajoie, Alexandre Lebedev, Craig Ogilvie, Milap R. Patel, H. Pei, Joshua Perry, Jan Rak, Timothy T. Rinn, Marzia Rosati, Alex Shaver, M. Shimomura, C. L. Silva, S. Skutnik, Arbin Timilsina, Carla Vale, Brian K. Voas, Feng Wei, Shawn Whitaker, et al., and PHENIX Collaboration. ...
Embryonic stem cells (ESC) have the capacity to self-renew and remain pluripotent, while continuously providing a source of a variety of differentiated cell types. Understanding what governs these properties at the molecular level is crucial for stem cell biology and its application to regenerative medicine. Of particular relevance is to elucidate those molecular interactions, which govern the reprogramming of somatic cells back into stem cells. A few central transcription factors inside embryonic stem cells and reprogrammed stem cells (induced pluripotent stem (iPS) cells) are believed to control the cells pluripotency. Characterizations of pluripotent state were put forward on both transcription factor and epigenetic levels. Whereas core players have been identified, it is desirable to map out gene regulatory networks, which govern the reprogramming of somatic cells as well as the early developmental decisions ...
Department of Physics and Astronomy, 525 Northwestern Avenue, West Lafayette, IN 47907 • Phone:(765) 494-2970 • Fax: (765) 494-0706. Copyright © 2015 Purdue University , An equal access/equal opportunity university , Copyright Complaints. Trouble with this page? Disability-related accessibility issue? Please contact the College of Science.. ...
The Python programming language is a widely used tool for basic research and engineering. Its rapid rise in popularity is supported by comprehensive, largely open-source, contributions from scientists who use it for their own work. This short course offers an introduction to Python with examples drawn from physics and astronomy as part of a full semester Research Methods class. Homework should be uploaded here. The topics and examples covered are -- ...
The Python programming language is a widely used tool for basic research and engineering. Its rapid rise in popularity is supported by comprehensive, largely open-source, contributions from scientists who use it for their own work. This short course offers an introduction to Python with examples drawn from physics and astronomy ...
Read the latest news and articles about astronomy and space science. Plus, amazing photos of the night sky and dramatic imagery of cosmic phenomena.
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A common answer is that unconscious bias widely affects our judgment about people in ways that are counter to our organizations values or mission. For example, the culture of astronomy and other fields of higher education adopts meritocracy as a fundamental ideal. Meritocracy is appealing, but who determines merit, and how? I have never seen a tenure committee or a graduate admissions committee defer to a computer algorithm; the practice of the academy relies on expert judgment, usually without recognizing that each expert has a "personal equation" (to use the wonderful phrase describing the bias present in individuals eye-based measurements of photographic plates) needing to be corrected. Education can lead to process improvements and, thereby, to improved outcomes ...
Is there life beyond classes/research?. Absolutely! Department life offers many well-attended social activities, such as daily espresso/tea/hot chocolate breaks in the afternoon, Payday Pizza Fridays, intramural sports, and the annual astronomy picnic. Faculty and students mingle at all of these events, and the culture is very friendly and collegial. The department strongly supports equity and inclusion, with invited speakers, a standing committee, and the GRAD-MAP and AGN organizations which are led by grad students. A good source of information about everyday student life is the GradLife wiki, maintained by the graduate students. There, you can also find out about events such as the Unjournal Club, which provides a regular opportunity for graduate students to present research and to field questions from fellow students without the pressure of a professor in the room.. The university is just 10 miles from the bustle of downtown Washington, D.C. (a convenient 20 minute Metro ride from ...
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Astronomy and Astrophysics, Supplement Series (A&AS) published data papers, either observational or theoretical, as well as extensive data material forming the basis of papers with astrophysical results
Astronomy. Dec. 19, 2017News ESO and Toptica Sign Contract for ELT Laser Sources Toptica signed an updated contract with the European Southern Observatory (ESO) for the production of four more lasers
Get info about Lake Sumter Community College online astronomy degree. The field of engineering requires either an associates degree for entry-level technical workers, or a bachelors degree for professional engineers.
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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 ...
2009 is the year dedicated to astronomy. Five planets were already found in 55 Cancri the system that looks like our solar system. According to Nasa: "This artists concept illustrates two planetary systems - 55 Cancri and our own. Blue lines show the orbits of planets, including the dwarf planet Pluto in our solar system. The 55 Cancri system is currently the closest known analogue to our solar system, yet there are some fundamental differences." "The similarities begin with the stars themselves, which are about the same mass and age. Both stars also host big families of planets. Our solar system has eight planets, while 55 Cancri has five, making it the record-holder for having the most known exoplanets. In fact, 55 Cancri could have additional planets, possibly even rocky ones that are too small to be seen with current technologies. All of the planets in the two systems have nearly circular orbits. In addition, both planetary systems have giant planets in their outer regions. The giant ...
0001]In modern astronomy, an important activity is the search for and study of exoplanets. An exoplanet is a planet in orbit around a star other than the sun. A difficulty encountered in the exoplanet study effort is the fact that the star is significantly brighter and larger in size than any exoplanet in orbit around the star. Distortions of the star image further complicate exoplanet study. For example, a point spread function (PSF) of an optical system is the irradiance distribution on a recorded image that results from a single point source in object space. A star in space is so far from earth, that it appears as a point to an earthbound telescope, or even to a telescope in orbit around the earth. However, due to inherent aberrations in the optics of a telescope, the image of the point source comprising the star, is spread over a finite area of a sensor receiving and recording the image from the optics of the telescope. Thus, a bright star whose image is distorted by PSF, presents ...
In the figure above, we take the abundance of silicon as a "standard candle" or reference point, and compare the abundances (relative to silicon) of the elements in the solar system and in galactic cosmic rays. Silicon is used as the reference because it is a common intermediate-weight element that is easy to measure. We see that there is less hydrogen and helium in the cosmic rays than in the solar system, we think because hydrogen and helium are harder to accelerate to high energies than heavier elements. We also see that some light elements (lithium, beryllium, and boron) that are rare in the solar system (and in the rest of the universe) are quite common in cosmic rays. We also see more cosmic ray elements between silicon and iron than in the solar system.. The accepted reason for all the observed cosmic ray lithium, beryllium, and boron is that these are pieces of heavier cosmic ray elements, especially carbon and oxygen, that have had high speed collisions with the very tenuous gas in ...
graphene (483) metamaterials (352) advanced photonix (166) time domain spectroscopy (147) terahertz spectroscopy (122) quantum cascade lasers (120) Time domain Terahertz (104) Terahertz communication (80) CMOS (79) cancer detection (77) teraview (74) picometrix (66) terahertz astronomy (63) Dr. Daniel Mittleman (60) luna innovations (60) metasurfaces (57) pharmaceutical inspection (55) Continuous wave Terahertz (50) Weili Zhang (46) Mona Jarrahi (45) NASA (44) carbon nanotubes (44) patent (42) Advantest (41) Lake Shore Cryotronics (41) Rice University (39) Edmund Linfield (37) photonic crystals (37) airport security (36) algorithms (36) Jiaguang Han (35) MIT (35) commercialization of terahertz (35) plasmonics (35) quantum dots (35) surface plasmon polaritons (35) surface plasmons (35) Verisante (31) Darpa (29) terrorism (29) Don Arnone (28) Junichiro Kono (28) T-Gauge (28) metamaterial absorber (28) Toptica (27) Irl Duling (26) Jianquan Yao (26) Qing Hu (26) A. G. Davies (25) Yan Zhang (25) ...
The detection of complex cyanides in the protoplanetary disk around the young star MWC 480, and the similarity of their abundance ratios to those found in comets, implies that the rich organic chemistry of our solar nebula was not unique. The idea that comets once seeded the early Earth with the water and organics needed for life to originate has been widely discussed. This raises the question of whether the composition of comets - a reliable indicator of the composition of the solar nebula - is unique to the Solar System or commonly accompanies planet formation. Here Karin Öberg et al. report the detection of cyanides - CH3CN, HC3N and HCN - in the protoplanetary disk around the young star MWC 480, an analogue to the solar nebula. The abundance ratios of these nitrogen-bearing organics in the gas-phase are similar to those in comets, implying that complex organics accompany simpler volatiles in protoplanetary disks, and that the prebiotic chemistry present in the young Solar System is not unique.
graphene (470) metamaterials (343) advanced photonix (166) time domain spectroscopy (137) terahertz spectroscopy (119) quantum cascade lasers (116) Time domain Terahertz (104) CMOS (77) cancer detection (77) Terahertz communication (76) teraview (73) picometrix (65) terahertz astronomy (63) luna innovations (59) Dr. Daniel Mittleman (58) pharmaceutical inspection (54) metasurfaces (52) Continuous wave Terahertz (50) Mona Jarrahi (45) Weili Zhang (45) NASA (43) carbon nanotubes (43) Advantest (41) Lake Shore Cryotronics (41) patent (41) Rice University (39) photonic crystals (37) Edmund Linfield (36) airport security (36) MIT (35) algorithms (35) commercialization of terahertz (35) plasmonics (35) surface plasmon polaritons (35) Jiaguang Han (34) quantum dots (34) surface plasmons (34) Verisante (31) Darpa (29) Don Arnone (28) Junichiro Kono (28) T-Gauge (28) terrorism (28) Irl Duling (26) Qing Hu (26) Toptica (26) Yan Zhang (25) airport screening (25) metamaterial absorber (25) quality control ...
Scientific research on the International Space Station is a collection of experiments that require one or more of the unusual conditions present in low Earth orbit. The primary fields of research include human research, space medicine, life sciences, physical sciences, astronomy and meteorology. The 2005 NASA Authorization Act designated the American segment of the International Space Station as a national laboratory with the goal of increasing the use of the ISS by other federal agencies and the private sector. Research on the ISS improves knowledge about the effects of long-term space exposure on the human body. Subjects currently under study include muscle atrophy, bone loss, and fluid shift. The data will be used to determine whether space colonisation and lengthy human spaceflight are feasible. As of 2006, data on bone loss and muscular atrophy suggest that there would be a significant risk of fractures and movement problems if astronauts landed on a planet after a lengthy interplanetary ...
After the formation of the Solar System, the orbits of all the giant planets continued to change slowly, influenced by their interaction with the large number of remaining planetesimals. After 500-600 million years (about 4 billion years ago) Jupiter and Saturn fell into a 2:1 orbital resonance; Saturn orbited the Sun once for every two Jupiter orbits.[3] This resonance created a gravitational push against the outer planets, causing Neptune to surge past Uranus and plough into the dense planetesimal belt. The planets scattered the majority of the small icy bodies inwards, while themselves moving outwards. These planetesimals then scattered off the next planet they encountered in a similar manner, moving the planets orbits outwards while they moved inwards.[5] This process continued until the planetesimals interacted with Jupiter, whose immense gravity sent them into highly elliptical orbits or even ejected them outright from the Solar System. This caused Jupiter to move slightly inward. This ...

Astronomy GlossaryAstronomy Glossary

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A sprinkling of distant star clusters, throwing tantrums in stellar nurseries, polar winds and excretion disks, new echoes of supernova 1987A, and low-budget stellar spectroscopy.
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Weather Underground provides local & long range Weather Forecast, weather reports, maps & tropical weather conditions for locations worldwide.
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  • During the 8th and 7th centuries BC, Babylonian astronomers developed a new empirical approach to astronomy. (wikipedia.org)
  • The origins of Western astronomy can be found in Mesopotamia , and all Western efforts in the exact sciences are descendants in direct line from the work of the late Babylonian astronomers. (wikipedia.org)
  • Native American Astronomy For many years astronomers and people alike have constantly heard about the observations and records of the Chinese and Europeans. (bartleby.com)
  • Chinese astronomy became a subject of long debate among historians and astronomers in the first half of the twentieth century. (springer.com)
  • Various departments in which scientists carry out research on this subject may use "astronomy" and "astrophysics," partly depending on whether the department is historically affiliated with a physics department, and many professional astronomers have physics rather than astronomy degrees. (wikipedia.org)
  • It includes a range of genres from the earliest astronomy and cosmology contained in the Bible, mainly the Tanakh (Hebrew Bible or "Old Testament"), to Jewish religious works like the Talmud and very technical works. (wikipedia.org)
  • The word "astronomy" is defined as the study of heavenly bodies, meaning anything in the sky such as stars, galaxies, comets, planets, nebulae, and so on. (bartleby.com)
  • The concept of Nebulae has existed within astronomy for many hundred's of years, dating back to early Greek and Chinese civilizations. (bartleby.com)
  • More generally, all phenomena that originate outside Earth's atmosphere are within the purview of astronomy. (wikipedia.org)
  • This was an important contribution to astronomy and the philosophy of science , and some modern scholars have thus referred to this novel approach as the first scientific revolution. (wikipedia.org)
  • Recent archaeological studies carried out in China have thrown more light on early Chinese astronomy and enabled scholars to re‐examine some of the old interpretations. (springer.com)
  • Modern knowledge of Sumerian astronomy is indirect, via the earliest Babylonian star catalogues dating from about 1200 BC. (wikipedia.org)
  • Only fragments of Babylonian astronomy have survived, consisting largely of contemporary clay tablets containing astronomical diaries , ephemerides and procedure texts, hence current knowledge of Babylonian planetary theory is in a fragmentary state. (wikipedia.org)
  • Nevertheless, the surviving fragments show that Babylonian astronomy was the first "successful attempt at giving a refined mathematical description of astronomical phenomena" and that "all subsequent varieties of scientific astronomy, in the Hellenistic world , in India , in Islam , and in the West … depend upon Babylonian astronomy in decisive and fundamental ways. (wikipedia.org)
  • The foundation of astronomy was made possible through ancient mathematicians allowing various countries to participate in the learning of the universe. (bartleby.com)
  • SCI/151 Week 1 Assignment Basics of Astronomy Outline I. Our place in the universe A. The modern view of the universe 1. (bartleby.com)
  • Some said that Chinese astronomy originated from India, others said from Arabia, and there were yet those who said that it was from Mesopotamia. (springer.com)
  • The Chemical Cosmos: A Guided Tour" is an astronomy book about chemistry - or perhaps a chemistry book about astronomy. (bellaonline.com)
  • Babylonian astronomy was the study or recording of celestial objects during early history Mesopotamia . (wikipedia.org)
  • Astronomy (from Greek: ἀστρονομία) is a natural science that studies celestial objects and phenomena. (wikipedia.org)
  • Astronomy should not be confused with astrology, the belief system which claims that human affairs are correlated with the positions of celestial objects. (wikipedia.org)
  • Hebrew astronomy refers to any astronomy written in Hebrew or by Hebrew speakers, or translated into Hebrew. (wikipedia.org)
  • In conjunction with their mythology , the Sumerians developed a form of astronomy / astrology that had an influence on Babylonian culture. (wikipedia.org)
  • This approach to astronomy was adopted and further developed in Greek and Hellenistic astrology . (wikipedia.org)
  • Ancient Greek Astronomy Since the first Egyptian farmers discovered the annual reappearance of Sirius just before dawn a few days before the yearly rising of the Nile, ancient civilizations around the Mediterranean have sought to explain the movements of the heavens as a sort of calendar to help guide them conduct earthly activities. (bartleby.com)
  • Astronomy (from the Greek ἀστρονομία from ἄστρον astron, "star" and -νομία -nomia from νόμος nomos, "law" or "culture") means "law of the stars" (or "culture of the stars" depending on the translation). (wikipedia.org)
  • University of Phoenix Material Basics of Astronomy Worksheet Complete the table based on the readings for this week: Ch. 1-4 of The Essential Cosmic Perspective. (bartleby.com)
  • Access to Astronomy Department instructional videos. (bu.edu)
  • Astronomy is one of the few sciences where amateurs still play an active role, especially in the discovery and observation of transient phenomena. (wikipedia.org)
  • In early times, astronomy only comprised the observation and predictions of the motions of objects visible to the naked eye. (wikipedia.org)
  • Most of early astronomy actually consisted of mapping the positions of the stars and planets, a science now referred to as astrometry. (wikipedia.org)
  • 2. Explain what light pollution is and how it and air pollution affect astronomy. (meritbadge.org)
  • Explain to your counselor the most likely hazards you may encounter while participating in astronomy activities, and what you should do to anticipate, help prevent, mitigate, and respond to these hazards. (meritbadge.org)
  • Our list includes some of the most prestigious journals in Astronomy and Space Sciences, including a number of fully open access journals. (springer.com)
  • Astronomer Seth Shostak discussed his continued work in the Search for Extraterrestrial Intelligence ( SETI ), the nature of possible alien life forms, and various astronomy topics. (coasttocoastam.com)
  • In addition, our Planetarium and Observatory offer opportunities for astronomy research, education, and community engagement activities. (bgsu.edu)
  • Despite the general importance and religious significance attached to astronomy in the Holy Land, no notable developments in astronomy happened there. (wikipedia.org)
  • Others doubted the reliability of the records in the Shujing claiming that Chinese astronomy could not have originated earlier than 500 or 600 BCE. (springer.com)
  • Islamic and Chinese Astronomy Under the Mongols: A Little‐ Known Case of Transmission. (springer.com)
  • Many inventions and important findings were employed by the pairing of math and astronomy. (bartleby.com)
  • Zu Chongzhi's Works on Astronomy and Calendar‐Making: In Memorial of the 1500th Anniversary of Zu's Death. (springer.com)
  • These ancient cultures developed a very complex knowledge of Astronomy and built a large number of structures destined to be used as observatories. (bartleby.com)
  • A user community and inclusive package of compatible routines available to diverse astronomy users. (sourceforge.net)
  • The Place of Gaitian Theory in the History of Astronomy in China. (springer.com)
  • The Astronomy Photographer of the Year 2014 winners were announced in September and you can see all of them. (bellaonline.com)