News tagged with astronomy and astrophysics
Researchers explain the activity of black holes at the centre of galaxy clusters
Sep 04, 2009 |
3.9 / 5 (15) |
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(PhysOrg.com) -- Astronomers at the University of Bonn have clarified the connection between black holes at the centre of galaxy clusters and surrounding gas, which serves them as "food". The scientists have ...
Astronomers use gamma-ray burst to probe star formation in the early universe
Jan 06, 2009 |
4.6 / 5 (5) |
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(PhysOrg.com) -- The brilliant afterglow of a powerful gamma-ray burst (GRB) has enabled astronomers to probe the star-forming environment of a distant galaxy, resulting in the first detection of molecular ...
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NASA looks at future astronomy missions
Space & Earth / Space Exploration
Feb 18, 2008 |
3 / 5 (3) |
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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) |
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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) |
0
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) |
0
(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. Nesvorný (USA) of asteroids with a spectrum similar to that of ordinary chondrites, the meteoritic material that m ...
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