Search results for astronomy and astrophysics:
NASA looks at future astronomy missions
Space & Earth / Space Exploration
Feb 18, 2008 |
3 / 5 (3) |
0
The U.S. space agency has selected 19 science teams to conduct year-long studies of new concepts for its next generation of major space observatories.
Magnetic field on bright star Vega
Jun 23, 2009 |
4.5 / 5 (6) |
1
Astronomy & Astrophysics journal publishes the first detection of a magnetic field on the bright star Vega. Using the NARVAL spectropolarimeter of the Bernard-Lyot telescope on top of the Pic du Midi (Franc ...
Pulsating White Dwarfs Explained by 'Accidental Astronomer'
Space & Earth / Space Exploration
Jul 28, 2009 |
3 / 5 (2) |
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(PhysOrg.com) -- Exploring distant parts of the galaxy, astrophysicist Denis Sullivan has collaborated on the discovery of about six extrasolar planets--not bad for an accidental astronomer.
Science with the solar space observatory Hinode
Mar 20, 2008 |
4.7 / 5 (3) |
0
The solar space observatory Hinode was launched in September 2006, with the name "Hinode" meaning sunrise in Japanese. The Hinode satellite carries a solar optical telescope (SOT), an X-ray telescope (XRT), ...
A jet of molecular hydrogen arising from a forming high-mass star
Mar 07, 2007 |
4.7 / 5 (6) |
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A team of European astronomers offer new evidence that high-mass stars could form in a similar way to low-mass stars, that is, from accretion of gas and dust through a disk surrounding the forming star. Their ...
Astronomical and mathematical physics awards go to chaos and X-ray leaders
Feb 01, 2008 |
4.3 / 5 (8) |
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The American Institute of Physics (AIP) announces the winners of the 2008 Dannie Heineman Prizes for Astrophysics and for Mathematical Physics. The mathematical physics prize goes to Mitchell Feigenbaum of Rockefeller University ...
A new X-ray spectroscopic tool for probing the interstellar medium
Mar 31, 2009 |
4.8 / 5 (5) |
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Astronomy & Astrophysics is publishing the first clear detection of signatures long sought in the spectra of X-ray astronomical sources. These signatures, the so-called EXAFS standing for "Extended X-ray ...
Young active star resembles the young Sun
Dec 23, 2008 |
3.8 / 5 (5) |
0
(PhysOrg.com) -- The CoRoT satellite, a space mission led by the French Space Agency CNES with the participation of Austria, Belgium, Brazil, Germany, Spain and the European Space Agency, ESA (RSSD and Science ...
The hottest white dwarf in its class
Dec 12, 2008 |
4.5 / 5 (15) |
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(PhysOrg.com) -- A team of German and American astronomers present far-ultraviolet observations of white dwarf KPD 0005+5106 and reveal that it is among the hottest stars ever known with a temperature of 200 ...
Discovery of the source of the most common meteorites
Jul 10, 2008 |
4.1 / 5 (26) |
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Astronomy & Astrophysics is publishing the first discovery by T. Mothé-Diniz (Brazil) and D. Nesvornı (USA) of asteroids with a spectrum similar to that of ordinary chondrites, the meteoritic material that m ...
Radio telescopes extend astronomy's best 'yardstick'
Jun 08, 2009 |
4.5 / 5 (10) |
2
Radio astronomers have directly measured the distance to a faraway galaxy, providing a valuable "yardstick" for calibrating large astronomical distances and demonstrating a vital method that could help determine the elusive ...
Exoplanet atmospheres detected from Earth for the first time
Jan 14, 2009 |
4.5 / 5 (12) |
4
(PhysOrg.com) -- Transiting exoplanets are routinely detected when they pass in front of their parent star as viewed from the Earth, which only happens by chance. The transit event causes a small drop in the ...
Young stellar objects: The source of gas emission around Herbig Ae/Be stars
Oct 10, 2008 |
4 / 5 (3) |
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This week, Astronomy & Astrophysics is publishing new observations with AMBER/VLTI of the gas component in the vicinity of young stars. An international team of astronomers led by E. Tatulli (Grenoble, France) and S. Kra ...
NASA Restarts Telescope Mission to Detect Black Holes
Sep 24, 2007 |
4.4 / 5 (10) |
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NASA has made a decision to restart an astronomy mission that will have greater capability than any existing instrument for detecting black holes in the local universe.
German high-school students involved in an astronomical research project
Space & Earth / Space Exploration
Nov 05, 2009 |
4 / 5 (1) |
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This week, Astronomy & Astrophysics publishes a somewhat unusual research article because it is co-authored by German high-school students. Led by astronomer Klaus Beuermann (University of Göttingen, Germany), the team i ...
