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Topic: Astrophysicist


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In the News (Fri 24 May 19)

  
  Astrophysics - Wikipedia, the free encyclopedia
The study of cosmology is theoretical astrophysics at the largest scales.
Because it is a very broad subject, astrophysicists typically apply many disciplines of physics including, but not limited to, mechanics, electromagnetism, statistical mechanics, thermodynamics, quantum mechanics, relativity, nuclear and particle physics, and atomic and molecular physics.
They use a wide variety of tools which include analytical models (for example, polytropes to approximate the behaviors of a star) and computational numerical simulations.
en.wikipedia.org /wiki/Astrophysics   (1250 words)

  
 Astrophysicist has a dark theory on black holes
Mottola and Pawel Mazur, an astrophysicist at the University of South Carolina, have their own theory about what fl holes are, and it has nothing to do with infinite energy.
While no astronomer or astrophysicist can say for sure what dark energy is, mathematical calculations and theoretical data have shown it to be a real concept, and it is generally accepted by the scientific community, Mottola said.
As a gravistar is created, the phase shift would discharge energy in the form of big quantities of gamma rays, which would explain the phenomenon of gamma ray bursts, something astrophysicists haven't been able to explain with the standard models.
www.postgazette.com /healthscience/20030616notholes0616p4.asp   (680 words)

  
 Astrophysicist John Bahcall, 70, dies - Boston.com   (Site not responding. Last check: 2007-09-18)
John Norris Bahcall, an astrophysicist who found a new way to study the sun and was a major force behind the Hubble Space Telescope, has died.
NEW YORK --John Norris Bahcall, an astrophysicist who found a new way to study the sun and was a major force behind the Hubble Space Telescope, has died.
He died Wednesday at New York-Presbyterian Hospital from a rare blood disorder, according to the Institute for Advanced Study in Princeton, N.J., where Bahcall was a faculty member for 35 years.
www.boston.com /news/education/higher/articles/2005/08/19/astrophysicist_john_bahcall_70_dies   (466 words)

  
 USATODAY.com - Rebel astrophysicist, writer Sir Fred Hoyle dies at 86   (Site not responding. Last check: 2007-09-18)
Astrophysicist Fred Hoyle once disdainfully called a competitor's view of the universe the "big bang." The name stuck, the theory is now mainstream, and Hoyle opposed it to the very end.
Perhaps most notably, he brought together nuclear physicists and astrophysicists to help create the modern understanding of how stars work and how planets form.
His championing of the "steady state" universe, which saw the cosmos as eternally contracting and expanding, served as a goad and a check on advocates of the big bang theory.
www.usatoday.com /news/science/astro/2001-08-23-fred-hoyle-usat.htm   (450 words)

  
 Astrophysicist GS-1330, Grade 11 - SMITHSONIAN ASTROPHYSICAL OBSERVATORY   (Site not responding. Last check: 2007-09-18)
Duties include but are not limited to, preparing observing programs; reducing and analyzing data; interpreting results in the context of existing theories and models of corona dynamics; and overseeing the testing, fabrication, and calibration of instrumentation projects.
The astrophysicist will also conduct independent research in solar physics at UV/EUV, and/or x-ray wavelengths; participate in the preparation of proposals for new instrumentation; and prepare papers for publication in scientific journals ad for presentation at meetings and conferences.
Specialized experience described below is experience that equipped the applicant with the particular knowledge skills, and abilities to perform successfully the duties of the position and is typically in or related to the work of the position to be filled.
www.aas.org /jobreg/backissues/2002/may/no12655.html   (419 words)

  
 Miscellanea   (Site not responding. Last check: 2007-09-18)
His feet, which are on the surface of the star, are attracted toward the star's center by an infinitely mounting gravitational force; while his head, which is farther away, is accelerated downward by a somewhat smaller, though ever rising force.
The astrophysicist's body, which cannot withstand such extreme forces, suffers unlimited stretching between head and foot as R drops to zero.
Simultaneous with this head-to-foot stretching, the astrophysicist is pulled by the gravitational field into regions of spacetime with ever-decreasing circumferential are, 4(pi)r^2.
www.saers.com /~daelos/misc.html   (1484 words)

  
 Astrophysicist probes universe as it was billions of years ago (GSJ of April 27, 2001)   (Site not responding. Last check: 2007-09-18)
Astrophysicist probes the universe as it was billions of years ago
Brown astrophysicist will be part of NASA’s next satellite mission — this one to measure the oldest light in the universe, a remnant of the Big Bang from 10 billion to 20 billion years ago.
Greg Tucker (left), assistant professor of physics, is part of the research team that is behind the instrument design and building of the satellite, and analysis of the data it will provide to scientists eager for measurements that will reveal more about the formation of the universe.
www.brown.edu /Administration/George_Street_Journal/vol25/25GSJ25d.html   (503 words)

  
 Black Issues Book Review: The Sky Is Not the Limit: Adventures of an Urban Astrophysicist. - Review - book review
His latest book, written in the style of a memoir, gives insight on the thought processes of an astrophysicist, and what it means to be African American in such an exclusive field.
From the time of his decision at age nine to be an astrophysicist, Tyson actively pursued his dream, obtaining a B.A. in physics from Harvard University, an M.A. in astronomy from the University of Texas, and an M.Phil.
Tyson paints the world through the eyes of an astrophysicist who couldn't enjoy watching "Mary Poppins" with his daughter because the moves defy the law of physics.
www.findarticles.com /p/articles/mi_m0HST/is_5_2/ai_66306083   (638 words)

  
 Astrophysicist Lake will explore inner space of DNA   (Site not responding. Last check: 2007-09-18)
The Human Genome Project has been called biology's equivalent of the 1960s race to put a man on the Moon, so nobody should be very surprised that Dr. Leroy Hood has recruited a rocket scientist to help him decipher the genetic code.
Dr. George Lake, a University of Washington astrophysicist and a NASA project leader in supercomputing, has decided to leave his UW position and, along with three other UW faculty, join Hood in his new private research venture in Seattle.
But Hood contended his approach is unique, as evidenced in part by his recruitment of Lake, an astrophysicist.
seattlep-i.nwsource.com /local/hood21.shtml   (718 words)

  
 USATODAY.com - Astrophysicist hired to head LSU's new technology center   (Site not responding. Last check: 2007-09-18)
BATON ROUGE (AP) — An astrophysicist will lead a center at Louisiana State University that will try to wring big economic benefits from a supercomputer.
Ed Seidel earned a doctorate from Yale University after — his own admission — a bit too much partying and a disdain for cracking the books during his first stint at the College of William and Mary.
LSU officials said they competed directly with Cal Tech and Ohio State universities in landing Seidel, who will be paid $153,750 annually and supported by a host of professors and graduate assistants.
www.usatoday.com /tech/news/2003-08-29-lsu-tech-center_x.htm   (517 words)

  
 Laboratory Astrophysicist Discovers New Source Of High-Energy Neutrinos
Astrophysicists Discover Possible Nanodiamond Formation In The Early Solar System (July 12, 2002) -- An astrophysicist from Lawrence Livermore National Laboratory's Institute for Geophysics and Planetary Physics has found that some nanodiamonds, the most famous and exotic form of stardust, may...
Using computer simulations, the team of scientists, which includes Lab astrophysicist Diego Torres, has shown that magnetized, accreting neutron stars can be a significant new source for high-energy neutrinos.
Neutrinos are thought to be the final outcome of a chain of reactions initiated by proton (hydrogen atoms devoid of electrons) collisions between matter sitting in the accretion disc and particles accelerated in the pulsar magnetosphere.
www.sciencedaily.com /releases/2003/03/030310064657.htm   (710 words)

  
 Astrophysicist Carlstrom wins MacArthur award
John Carlstrom, a University astrophysicist who over the next two years hopes to answer one of astronomy's largest questions, is one of 29 new MacArthur Fellows announced by the John D. and Catherine T. MacArthur Foundation.
As an experimental astrophysicist, he has already solved several important astronomical problems by developing and building new and highly sensitive instruments.
Carlstrom co-designed and built the first interferometer operating at sub-millimeter wavelengths, and the first millimeter-wavelength interferometric imaging polarimeter, which enables astrophysicists to investigate the role of magnetism in star formation.
chronicle.uchicago.edu /980611/carlstrom.shtml   (736 words)

  
 UT astrophysicist wins lifetime award - The Daily Texan - University
The University awarded the Antoinette de Vaucouleurs Medal for a lifetime of dedication and achievement in astronomy to astrophysicist Ken Freeman on Monday.
Freeman's work in observational astronomy, which he began as a W.J. McDonald Postdoctoral Fellow at the University in the late '60s, has been said to have done some of the most groundbreaking work in its field.
Aside from his renown as a groundbreaking astrophysicist, Freeman is also well known for his commitment to his role as an educator, Noyola said.
www.dailytexanonline.com /news/2004/01/28/University/Ut.Astrophysicist.Wins.Lifetime.Award-589876.shtml   (402 words)

  
 Search Results for astrophysicist -¬†Encyclop√¶dia Britannica
American theoretical astrophysicist who was an international leader in the field of cosmology and a distinguished professor (1974-97) at the University of Chicago; by making a cosmic inventory of the...
Saha, Meghnad N. Indian astrophysicist noted for his development in 1920 of the thermal ionization equation, which, in the form perfected by the British astrophysicist Edward A. Milne, has remained fundamental in all...
U.S. astrophysicist who was the first to investigate mathematically the Sun as a gaseous body.
www.britannica.com /search?query=astrophysicist&submit=Find&source=MWTEXT   (468 words)

  
 An Astrophysicist's Sympathetic and Critical View of Astrology   (Site not responding. Last check: 2007-09-18)
For many decades, I have been struggling to be true to two parts of me--the Piscean lover of depth psychology, mysticism, meditation, and astrology, and the tough-minded theoretical astrophysicist who looks skeptically on all these things.
The astrophysicist is fond of his intellect, confident in the power of reason, even arrogant--a somewhat swaggering intellectual hard hat.
So far it seems like the astrophysicist is imposing his scientific values of articulate theory and careful experiment on astrology.
www.lightlink.com /vic/astrol.html   (5799 words)

  
 Astrophysicist praises potential of human understanding - The Daily Orange - News
Astrophysicist praises potential of human understanding - The Daily Orange - News
Even though the night sky stretches out infinitely, astrophysicist Neil deGrasse Tyson sees only potential in the human race's ability to capture that idea.
Tyson used this theme of comprehension in his lecture at Hendricks Chapel Tuesday night.
www.dailyorange.com /news/2004/11/10/News/Astrophysicist.Praises.Potential.Of.Human.Understanding-799341.shtml   (455 words)

  
 Skeptical Inquirer: The Sky is Not the Limit: Adventures of an Urban Astrophysicist. - Review - book review   (Site not responding. Last check: 2007-09-18)
Skeptical Inquirer: The Sky is Not the Limit: Adventures of an Urban Astrophysicist.
He interweaves his scientific adventures with descriptions of his own personal quest to become an astrophysicist, his goal from the age of nine.
The stereotypes and assumptions he had to counter as a fl person with that goal make up one of the most poignant portions of the book, which throughout reveals his deft ability to humanize and popularize science.
www.findarticles.com /p/articles/mi_m2843/is_5_24/ai_67691850   (263 words)

  
 2002 News Releases - JPL Astrophysicist Receives Presidential Award
James Bock, an astrophysicist at NASA's Jet Propulsion Laboratory, Pasadena, Calif., has received the Presidential Early Career Award for Scientists and Engineers.
The award is the highest honor bestowed by the U.S. government on outstanding scientists and engineers who are beginning their independent careers.
JPL is managed for NASA by the California Institute of Technology in Pasadena.
www.jpl.nasa.gov /releases/2002/release_2002_58.html   (367 words)

  
 Amazon.com: Books: The Sky Is Not The Limit : Adventures of an Urban Astrophysicist   (Site not responding. Last check: 2007-09-18)
But Neil de Grasse Tyson is no ordinary scientist; as the director of New York City's Hayden planetarium, his job is to inspire the public with the beauty and grandeur of the universe, just as he was inspired there in his youth.
In the process, he gently tweaks the racism that means that fl astrophysicists have many confrontations with the police that white ones don't have, errors in popular movies (Jodie Foster will blush after she reads what he has to say about her), and our earthbound perspective that keeps us from appreciating the heavenly beauty above.
Tyson is an astrophysicist and the director of the Hayden Planetarium.
www.spinics.net /am/0385488386   (1999 words)

  
 Astrophysicist helped explain sunshine
NEW YORK -- John Norris Bahcall, an astrophysicist who found a new way to study the sun and was a major force behind the Hubble Space Telescope, has died.
He died Wednesday at New York-Presbyterian Hospital from a rare blood disorder, according to the Institute for Advanced Study in Princeton, N.J., where Mr.
Davis and Masatoshi Koshiba shared the physics prize in 2002, along with another astrophysicist.
www.suntimes.com /output/obituaries/cst-nws-xbahcall22.html   (395 words)

  
 Print-friendly Version of "PACKARD FELLOWSHIP AWARDED TO UCSB ASTROPHYSICIST"   (Site not responding. Last check: 2007-09-18)
Santa Barbara, Calif. – Crystal Martin, an astrophysicist and assistant professor of physics at the University of California, Santa Barbara, has recently been awarded a prestigious Packard Foundation Fellowship for Science and Engineering for the year 2002.
The Packard Foundation Fellowship Advisory Panel, made up of distinguished scientists and engineers, invites the presidents of 50 leading research universities to nominate two young professors each from their institutions every year.
Martin hopes to learn why the efficiency of star formation varies so widely in different parts of a galaxy and from one galaxy to another.
www.instadv.ucsb.edu /pa/print.aspx?pkey=726   (451 words)

  
 Noted astrophysicist to discuss origins of the universe
Noted astrophysicist to discuss origins of the universe
Astrophysicist Michael S. Turner, known for his research on the origins of the universe, will speak at Wake Forest University Jan. 26.
Turner's talk, "Big Bang Cosmology: From Quark Soup to the Expanding Universe," will be held at 8 p.m.
www.wfu.edu /www-data/wfunews/2000/011000n.htm   (390 words)

  
 Astrophysicist Observes Own Ass - Science - Avant News
Thurgood Quark, an astrophysicist at the Extremely Powerful Orbital Telescope Control Centre in Dover, England, was reportedly startled yesterday to discover that an irregularly-formed object he was observing, estimated to be at a distance of over eighteen billion light-years away, was in fact his own ass.
Quark observed the astrophysicist leap from the viewing screens into a vertical position, scratch his head, then turn around and peer through the window.
Quark was so startled that he leapt to his feet, scratched his head, and turned to look out of his own window as the realization of what he had just seen dawned.
www.avantnews.com /modules/news/article.php?storyid=128   (1053 words)

  
 Princeton University - Eminent astrophysicist John Bahcall dies at 70
John Bahcall, a renowned astrophysicist and faculty member of the Institute for Advanced Study who also was a visiting lecturer with rank of professor at Princeton, died Wednesday, Aug. 17, in New York City.
In 1971, the same year Bahcall joined the institute as a permanent faculty member, he also accepted a continuing appointment as visiting lecturer at Princeton, where he served as an important link between the two institutions and fostered cooperation and coordination between their faculties.
"John Bahcall worked closely and effectively with the University for over three decades to develop the community of Princeton astronomers and astrophysicists, both at the University and the institute, into one of the strongest and most vigorous in the world," said Scott Tremaine, chair of Princeton's Department of Astrophysical Sciences.
www.princeton.edu /main/news/archive/S12/43/95K49/index.xml   (353 words)

  
 Records for Heavenly knowledge : an astrophysicist seeks wisdom in the stars. (in MARION)   (Site not responding. Last check: 2007-09-18)
Records for Heavenly knowledge : an astrophysicist seeks wisdom in the stars.
Heavenly knowledge : an astrophysicist seeks wisdom in the stars.
Heavenly knowledge : an astrophysicist seeks wisdom in the stars / Fiorella Terenzi.
js-catalog.cpl.org /MARION/%2BHIGHLAND/91236100c000/0   (54 words)

  
 SACKLER VISITING ASTROPHYSICIST   (Site not responding. Last check: 2007-09-18)
Each year CITA invites an internationally distinguished scholar conducting research in theoretical astrophysics to give two lectures at the University of Toronto.
The visit is intended to be the highlight of the academic year at CITA.
The first Raymond and Beverly Sackler Visiting Astrophysicist was Sir Martin Rees from Cambridge University.
www.cita.utoronto.ca /webpages/CITA/annrep97/node15.html   (128 words)

  
 Gallery Show Workshop Participants   (Site not responding. Last check: 2007-09-18)
Jennifer Ley is the editor of two Internet poetry sites, The Astrophysicist's Tango Partner Speaks, and Riding the Meridian, which has just debuted.
Her poetry, artwork and hypertext poetry suites have been published widely on the Internet, by, among others: The Animist, Octavo, Recursive Angel, 2River View, Conspire, Agnieska's Dowry, PoetryMagazine.com - her work is archived at poetrycafe.com Examples of her hypertext work were published at Conspire, November, 1998; Snakeskin, October, 1998 and Animist in February, 1999.
Her project for the workshop was to redesign the entry points for the Astrophysicist's Tango Partner Speaks, which hadn't had a really good facelift for years.
trace.ntu.ac.uk /writers/sanford/members.html   (1095 words)

  
 Penn astrophysicist outlines a multi-pronged approach in the hunt for dark energy
Penn astrophysicist outlines a multi-pronged approach in the hunt for dark energy
For the last few years evidence that we are living on a very "weird" universe has been growing: the expansion of the universe is accelerating, and one theory proposed to account for this acceleration is what has been termed "dark energy."
At a session on dark energy at the Annual Meeting of the American Association for the Advancement of Science today, University of Pennsylvania astrophysicist Licia Verde outlines how the hunt for dark energy will draw on the avalanche of recent and forthcoming data on surveys of objects throughout the universe.
www.physorg.com /news3105.html   (1152 words)

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