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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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 ...
The Department of Physics and Astronomy offers a bachelor of science degree in physics and a bachelor of arts in astronomy, as well as minors in physics, astrophysics and astronomy. ...
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 ...
Ask an Astronomer is run by volunteers in the Astronomy Department at Cornell University. We answer your astronomy questions. Please browse our archive first.
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.. ...
Download the transcript. Fraser: Astronomy Cast Episode 181 for Monday March 15, 2010, Rotation. Welcome to Astronomy Cast, our weekly facts-based journey through the cosmos, where we help you understand not only what we know, but how we know what we know. My name is Fraser Cain, Im the publisher of Universe Today, and with me is Dr. Pamela Gay, a professor at Southern Illinois University Edwardsville. Hi Pamela, howre you doing?. Pamela: Im doing well. How are you doing?. Fraser: Excellent, as usual. Alright, so everything in the universe is spinning. In fact, without this rotation, life on Earth wouldnt even exist. We need the conservation of angular momentum to flatten out galaxies and solar systems, and to make planets possible. Lets find out about the physics involved in everything that spins and finally figure out the difference between centripetal and centrifugal force. Man, there is nothing that makes physics geeks madder than to misuse centrifugal and centripetal force. Honestly, I ...
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.. ...
I had already been working on the SOFIA project for some years, when back in 1998, a consortium of German research institutes (Max-Planck Institute of Radio Astronomy in Bonn, University of Cologne, Max-Planck Institute of Solar System Research and the DLR Institute of Planetary Research) decided to develop the German Receiver for Astronomy at Terahertz Frequencies (GREAT) as the Principal Investigator-class Science Instrument for the first generation at the SOFIA Observatory. At this time, the aim was for the observatory to be operational by the end of 2001. It was not only the optimists who were expecting the GREAT spectrometer to soon enter operational service. Back then, who could have thought that it would take 13 years for GREAT to fly on SOFIA for the first time?
Ask an Astronomer is run by volunteers in the Astronomy Department at Cornell University. We answer your astronomy questions. Please browse our archive first.
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 ...
Radio Astronomy - NRL researchers fundamental radio astronomy work has led to many firsts in techniques and equipment, such as the worlds first fully steerable microwave parabolic antenna; first detection and measurement of interstellar ionized atomic hydrogen clouds; first detection of the absorption of emission of radio start by interstellar hydrogen gas; and first
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 ...
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 ...
Neutrino astronomy is the branch of astronomy that observes astronomical objects with neutrino detectors in special observatories. Neutrinos are created as a result of certain types of radioactive decay, or nuclear reactions such as those that take place in the Sun, in nuclear reactors, or when cosmic rays hit atoms. Due to their weak interactions with matter, neutrinos offer a unique opportunity to observe processes that are inaccessible to optical telescopes. Neutrinos were first recorded in 1956 by Clyde Cowan and Frederick Reines from a nuclear reactor. Their discovery was acknowledged with a Nobel Prize for physics in 1995. In 1968, Raymond Davis, Jr. and John N. Bahcall successfully detected the first solar neutrinos in the Homestake experiment. Davis, along with Japanese physicist Masatoshi Koshiba were jointly awarded half of the 2002 Nobel Prize in Physics for pioneering contributions to astrophysics, in particular for the detection of cosmic neutrinos (the other half went to Riccardo ...
Then he found the ratio of terrestrial planets to all the planets seen. Again, remember, this ratio was found for planets somewhat close in to their stars.. Then he plotted all the planets versus distance from their parent stars. For example, you see very few planets very close to the star (probably because its hard to form or get a planet to orbit that close in), then more as you get farther out, then fewer at some large distance (which may, once again, simply be due to the fact that planets with long orbital periods cant be seen in the short duration of the data). He then found an equation (called a mathematical fit) that did a good job predicting the shape of the plot. Once he had that, its easy enough to extrapolate it out to the distance of the habitable zones of the stars.. That gave him an estimate of all planets orbiting there, including gas and ice giants. Multiply by the ratio of terrestrial planets, and boom! 34% of stars like the Sun should have planets that are Earth-sized ...
Tuesday, 9 September. At todays presentation ceremony of The Shaw Prize at the Hong Kong Convention and Exhibition Centre,the Honourable Donald Tsang Yam-Kuen, Chief Executive of the HKSAR, Peoples Republic of China accompanied by Mr Run Run Shaw, Patron of the Prize, presented the awards to the six Laureates. (Information about the Laureates is attached.). After several months of deliberation, the international prize committee selected the Shaw Laureates and announced the results at the press conference on 10 June 2008.. Details of this years Shaw Laureates are as follows:. The Shaw Prize in Astronomy - awarded to Professor Reinhard Genzel, Director of Max Planck Institute for Extraterrestrial Physics, Germany, in recognition of his outstanding contributions in demonstrating that the Milky Way contains a supermassive black hole at its centre. ...
the Cornell synchrotron radiation facility, and Brookhaven National Laboratory.. Laboratory for Surface Modification. The Laboratory for Surface Modification is an interdisciplinary laboratory with state-of-the art equipment, involving over twenty faculty members from different departments (Physics & Astronomy, Chemistry and Chemical Biology, Materials Science and Engineering, Electrical and Computer Engineering, Chemical and Biochemical Engineering, and Biomedical Engineering). The focus of LSM is on the physics, chemistry and engineering of surfaces and interfaces, often at the atomic scale. The facility is centered in the Nanophysics Laboratory (NPL) adjacent to Serin Physics Laboratory, and is directed by Professor Robert Bartynski. Aside from the considerable conceptual interest in this area, progress in surface and interface science is having an impact on such diverse fields as electronic materials, petrochemistry, computer science, biomedical science, and nanotechnology. Professor Eva ...
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The Shaw Prize was established under the auspices of Mr Run Run Shaw in November 2002 to honour individuals, regardless of race, nationality, gender and religious belief, who have recently achieved significant breakthrough in academic and scientific research or applications and whose work has resulted in a positive and profound impact on mankind. The Shaw Prize consists of three annual prizes: Astronomy, Life Science and Medicine, and Mathematical Sciences. The monetary award for each prize has been increased from US$1 million to US$1.2 million starting from this year. This is the thirteenth year that the Prize has been awarded ...
The Shaw Prize was established under the auspices of Mr Run Run Shaw in November 2002 to honour individuals, regardless of race, nationality, gender and religious belief, who have recently achieved significant breakthrough in academic and scientific research or applications and whose work has resulted in a positive and profound impact on mankind. The Shaw Prize consists of three annual prizes: Astronomy, Life Science and Medicine, and Mathematical Sciences. The monetary award for each prize has been increased from US$1 million to US$1.2 million starting from this year. This is the thirteenth year that the Prize has been awarded ...
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. ...
In the interstellar medium - the space between the stars in galaxies - new stars are born from material that is replenished by the debris ejected by stars when they die. This book is a comprehensive manual for studying the collisional and radiative processes observed in the interstellar medium. This second edition has been thoroughly updated and extended to cover related topics in radiation theory. It considers the chemistry of the interstellar medium both at the present epoch and in the early Universe, and discusses the physics and chemistry of shock waves. The methods of calculation of the rates of collisional excitation of interstellar molecules and atoms are explained, emphasising the quantum mechanical method. This book will be ideal for researchers involved in the interstellar medium and star formation, and physical chemists specialising in collision theory or in the measurement of the rates of collision processes.. • Comprehensive manual for studying collisional and radiative processes ...
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.
PHYS 150, Physics: Dr. Coutrakon: Section 1. PHYS 151, Physics Laboratory: Dr. Coutrakon. PHYS 162, Online, Elementary Astronomy: Dr. Hedin: Section 1. PHYS 162, Elementary Astronomy: Dr. Zutshi: Section 2. PHYS 162, Elementary Astronomy: Dr. Hedin: Section H1. PHYS 180, Acoustics, Music, and Hearing: Dr. Ito. PHYS 210, General Physics I: Dr. Brown. PHYS 211, General Physics II: Dr. Adelman. PHYS 252, Intermediate General Physics: Dr. Van Veenendaal. PHYS 253, Fundamentals of Physics I: Mechanics: Dr. Chmaissem. PHYS 253H, Fundamentals of Physics I: Mechanics: Dr. Chmaissem. PHYS 253, Fundamentals of Physics I: Mechanics (TLC): Dr. Eads. PHYS 253, Fundamentals of Physics I: Mechanics (TLC): Dr. Coutrakon. PHYS 273, Fundamentals of Physics II: Electromagnetism: Dr. Van Veenendaal. PHYS 283, Fundamentals of Physics III: Quantum Physics: Dr. Lurio. PHYS 284, Quantum Physics Laboratory: Dr. Lurio. PHYS 300, Analytical Mechanics I: Dr. Dabrowski. PHYS 320, Thermodynamics and Statistical Physics: Dr. ...
The interplay between inflows and outflows of gas around galaxies has wide-ranging implications for galaxy evolution. We present results for a serendipitous background / foreground galaxy pair based on HST/WFC3 imaging, Keck/HIRES spectroscopy, and GALEX--Spitzer/IRAC photometry. The background galaxy is a massive (stellar mass 1011 solar masses) post-starburst galaxy at z=0.71 with an extremely compact morphology (effective radius 0.15 kpc) and an extreme outflow (velocity -2500 km/s) traced by Mg I, Mg II, Fe II, and Mn II absorption lines. The depth of the Mg II absorption lines show that the outflowing gas covers the entire galaxy at v -2500 km/s with additional optically thick, smaller covering factor gas extending to -3000 km/s. These results suggest a picture where a recent, highly dissipative merger event formed a compact starburst that launched an energetic, galaxy-wide outflow. The foreground object is an L* disk galaxy at z=0.41 for which we detect Mg II and Fe II absorption lines at ...
TY - JOUR. T1 - Star formation in nearby early-type galaxies. T2 - Mapping in UV, optical and CO. AU - Bureau, M.. AU - Bacon, R.. AU - Cappellari, M.. AU - Combes, F.. AU - Davies, R. L.. AU - De Zeeuw, P. T.. AU - Emsellem, E.. AU - Falcn-Barroso, J.. AU - Jeong, H.. AU - Krajnovi, D.. AU - Kuntschner, H.. AU - McDermid, R. M.. AU - Peletier, R. F.. AU - Sarzi, M.. AU - Shapiro, K. L.. AU - Van De Ven, G.. AU - Yi, S. K.. AU - Young, L. M.. N1 - Copyright: Copyright 2007 Elsevier B.V., All rights reserved.. PY - 2006/8. Y1 - 2006/8. N2 - The SAURON integral-field survey reveals that small (∼0.1,Re) kinematically decoupled cores (KDCs) in early-type galaxies are increasingly young toward the center and are typically found in fast-rotating galaxies, while large KDCs (∼0.5 Re) have homogeneously old stars and are present in non-rotating galaxies (McDermid et al. 2006). GALEX UV imaging further allows the direct identification of regions of recent star formation (0.5 Gyr). In NGC 2974 for ...
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 ...
A team of astronomers has used the High Dispersion Spectrograph on the Subaru Telescope to conduct spectroscopic observations of Sun-like superflare stars first observed and cataloged by the Kepler Space Telescope. The investigations focused on the detailed properties of these stars and confirmed that Sun-like stars with large starspots can experience superflares. The team, made up of astronomers from Kyoto University, University of Hyogo, the National Astronomical Observatory of Japan (NAOJ), and Nagoya University, targeted a set of solar-type stars emitting very large flares that release total energies 10-10000 times greater than the biggest solar flares. Solar flares are energetic explosions in the solar atmosphere and are thought to occur by intense releases of magnetic energy around the sunspots. Large flares often cause massive bursts of high-speed plasma called coronal mass ejections (CMEs), can lead to geomagnetic storms on Earth. Such storms can have severe impacts on our daily life by
Topic: Earth and space science, Astronomy, Size and scale, Earth and space science, Astronomy, Stars, nebulae and galaxies, Earth and space science, Earth processes, Climate, Earth and space science, Solar system, Asteroids and comets, Earth and space science, Solar system, Origin/formation of solar system, Earth and space science, Solar system, Planetary geology, Earth and space science, Solar system, Planetary science, Earth and space science, Solar system, Planets, Earth and space science, Solar system, The moon, Earth and space science, Solar system, The sun, Space weather, Engineering and technology, Remote sensing, Life sciences, Astrobiology, Mathematics, Physical sciences, States of matter, Physical sciences, Structure and properties of matter, The nature of science, The scientific process, The nature of technology, The design process ...
Together with Paul Butler, Marcy quickly confirmed the reality of the 51 Pegasi planet using the method of precise Doppler measurement that he had developed for the purpose of extrasolar planet detection over many years. Seventy of the next 100 extrasolar planets discovered were found by his team. Many of these planets had distinctly non-circular orbits, in contrast with the orbits of known planets in our own Solar System. Several reside in systems where there is more than one giant planet, with multiple planets in a given system often having orbital periods that bear integer relationships to one another. As the observational sensitivity and the understanding of systematic errors steadily improve, planets with masses more like Saturn and Neptune are being found, instead of only the Jupiter-like bodies that characterized the initial discoveries. Significantly, there are no bodies that have masses appreciably in excess of 10 Jupiter masses. In a few cases, the orbital plane lies sufficiently ...
Telescopes Binoculars Microscopes for Beginners Telescopes, Binoculars, Spotting Scopes, Microscopes, Riflescopes, Astronomical Accessories,Refractor,Reflector,Monoculars,Night Vision,Cassegrain,GPS,Optical Tubes,Digital Camera,Eyepiece,Filters,Barlow,Lenses,Diagonals,Prisms,Tripods,Mounts,Finder Scopes,BinoViewers,Optics,Astronomy,Astrophotography,Laser Range Finders,Rangefinders, New, Telescopes Binoculars Microscopes for Beginners Telescopes, Binoculars, Spotting Scopes, Microscopes, Riflescopes, Astronomical Accessories,Refractor,Reflector,Monoculars,Night Vision,Cassegrain,GPS,Optical Tubes,Digital Camera,Eyepiece,Filters,Barlow,Lenses,Diagonals,Prisms,Tripods,Mounts,Finder Scopes,BinoViewers,Optics,Astronomy,Astrophotography,Laser Range Finders,Rangefinders
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 ...
Planetary magnetic fields are ubiquitous in the Solar System and extrasolar planets are common in the galaxy. However, no extrasolar planetary magnetic field (or exodynamo) has yet been directly detected. Magnetic fields offer a unique window into the internal structure and dynamics of planets, can be remotely detected by electron cyclotron emission at radio wavelengths, and are commonly assumed to be important for surface habitability. In this talk we describe the conditions necessary for the generation of magnetic fields in the cores of terrestrial exoplanets, how they might evolve over time, and the important role of internal heat sources. We demonstrate that eccentric Earth-mass planets in the habitable zone around M dwarfs are likely to be within the tidal zone, where gravitational tidal dissipation can be extreme, prolonging the magma ocean phase and inhibiting dynamo action. ...
All about the planets in our Solar System. The planets that orbit the sun are (in order from the sun): Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune, and Pluto (a dwarf planet or plutoid).
A moon was discovered orbiting the asteroid, Eugenia. This is only the second time in history that a satellite has been seen circling an asteroid. A special mirror allowed scientists to find the moon from a telescope on Earth. The mirror corrects for the blurring caused by Earths atmosphere. This effect is called adaptive optics. The Hubble Telescope was originally launched so scientists could see objects without looking through the atmosphere. Now, they can study objects from Earth as well. Making this discovery with the newly developed adaptive optics moves ground-based astronomy to the forefront in exploring neighboring objects in our solar system, said Vernon Pankonin, manager of NSFs planetary astronomy program. Asteroid satellites are very difficult to find. The first one, called Dactyl, was discovered by the Galileo spacecraft in 1993. It orbits the asteroid Ida. Eugenias moon was even harder to find, because the asteroid is much brighter than its moon. Its like looking for a ...
This image from Orion Telescopes and Binoculars Image Gallery of a Hydrogen Aplha Closeup was taken by Jimmy E. with a Meade Coronado Personal Solar Telescope on an Orion Atlas EQ-G Computerized GoTo Telescope Mount.
If something cant be detected, can we actually say it exists? This was the conundrum facing Wolfgang Pauli when he proposed that a neutral particle (i.e. the neutrino) is emitted in the beta decay of a nucleus.. While it solved some profound mysteries, it was soon suggested that such a particle would be impossible to detect. Nearly a century later, we not only have detected neutrinos, but understand that they come in three species, have antimatter counterparts, and that they play a crucial role as fundamental building blocks of the Universe and in determining its structure. I will discuss how neutrino oscillations, the discovery of which was awarded this years Nobel Prize have uncovered some of its fundamental properties (such as the fact that it has a tiny but non-zero mass). Befitting its history, these studies have answered some questions about neutrinos but the answers are bizarre and raise new questions. In the near future, we hope to understand the relationship between the neutrino and ...
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 ...
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
This movie [at right] records an eruptive event in the southern hemisphere of Jupiter over a period of 8 Jupiter days. Prior to the event, an undistinguished oval cloud mass cruised through the turbulent atmosphere. The eruption occurs over a very short time at the very center of the cloud. The white eruptive material is swirled about by the internal wind patterns of the cloud. As a result of the eruption, the cloud then becomes a type of feature seen elsewhere on Jupiter known as spaghetti bowls.[49]. As Voyager 2 approached Jupiter in 1979, it took images of the planet at regular intervals. This sequence is made from 8 images taken once every Jupiter rotation period (about 10 hours). These images were acquired in the Violet filter around May 6, 1979. The spacecraft was about 50 million kilometers from Jupiter at that time.[49]. At left is a Voyager 1 image showing Jupiter with its satellite Io visible at lower left. Jupiter is 140,000 km in diameter and Io is 3600 km across. This image ...
Researchers using the Karl G. Jansky Very Large Array (VLA) have produced the most detailed image yet of a fascinating region where clusters of hundreds of galaxies are colliding, creating a rich variety of mysterious phenomena visible only to radio telescopes.. The scientists took advantage of new VLA capabilities to make a true colour radio image. This image shows the region as it would appear if human eyes were sensitive to radio waves instead of light waves. In this image, red shows where longer radio waves predominate, and blue shows where shorter radio waves predominate, following the pattern we see in visible light.. The image shows a number of strange features the astronomers think are related to an ongoing collision of galaxy clusters. The region is called Abell 2256, and is about 800 million light-years from Earth and some 4 million light-years across. The image covers an area in the sky almost as large as the Full Moon. Studied by astronomers for more than half a century with ...
PHYSICS UNDERGRADUATE COURSES 1. Understanding the Universe: From Atoms to the Big Bang, with Laboratory. 12S, 13S: 12. An introduction to the evolution of physical theories and models of natural phenomena from ancient Greece to modern times. Topics include Pre-Socratic and Aristotelian natural philosophy; the scientific revolutions of Copernicus, Kepler, Galileo, and Newton, and the birth of mechanics; electromagnetism, thermodynamics, and the physics of light in the nineteenth century; the emergence of quantum mechanics and relativity theory; modern particle physics and the search for unification; the interface of particle physics and cosmology; and physics and its contexts (other sciences, worldviews, technologies, the Cold War). Students will carry out five biweekly laboratory experiments illustrating major discoveries. Supplemental course fee required. No student may receive credit for both Physics 1 and Physics 2. Identical to Physics 2, but with the laboratory. Dist: SLA. Gleiser, ...
Context. The OH radical is a key species in the water chemistry network of star-forming regions, because its presence is tightly related to the formation and destruction of water. Previous studies of the OH far-infrared emission from low-and intermediate-mass protostars suggest that the OH emission mainly originates from shocked gas and not from the quiescent protostellar envelopes. Aims. We aim to study the excitation of OH in embedded low-and intermediate-mass protostars, determine the influence of source parameters on the strength of the emission, investigate the spatial extent of the OH emission, and further constrain its origin. Methods. This paper presents OH observations from 23 low-and intermediate-mass young stellar objects obtained with the PACS integral field spectrometer on-board Herschel in the context of the Water In Star-forming regions with Herschel (WISH) key program. Radiative transfer codes are used to model the OH excitation. Results. Most low-mass sources have compact OH ...