A UC Davis graduate student who is leading a study of the collision of galaxy clusters 5 billion light years away will discuss the team's findings today, Jan. 10, in a press briefing at the annual meeting of the American ...
Astronomy
Jan 10, 2012
3
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(PhysOrg.com) -- The NASA/ESA Hubble Space Telescope has been used to make an image of galaxy cluster MACS J1206.2-0847. The apparently distorted shapes of distant galaxies in the background is caused by an invisible substance ...
Astronomy
Oct 13, 2011
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So-called dark energy, believed to play a role in the accelerated expansion of the Universe, will be studied in a major science mission to be launched later this decade, the European Space Agency (ESA) said on Tuesday.
Astronomy
Oct 4, 2011
35
0
All observations in astronomy are based on light emitted from stars and galaxies and, according to the general theory of relativity, the light will be affected by gravity. At the same time all interpretations in astronomy ...
Astronomy
Sep 28, 2011
29
0
(PhysOrg.com) -- Astronomers using the European Space Agency's Herschel telescope have discovered that the brightest galaxies tend to be in the busiest parts of the Universe. This crucial piece of information will enable ...
Astronomy
May 26, 2010
1
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Using observations with NASA's Chandra X-ray Observatory and ESA's XMM-Newton, astronomers have announced a robust detection of a vast reservoir of intergalactic gas about 400 million light years from Earth. This discovery ...
Astronomy
May 11, 2010
14
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It's the biggest problem in physics: the matter we can see in the universe accounts for just five per cent of the observed gravity that holds galaxies together.
General Physics
Nov 12, 2009
34
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(PhysOrg.com) -- Stars, the most familiar objects in the night sky, make up only a tiny percentage of the total amount of matter in the universe -- about 2%.
Astronomy
Oct 30, 2009
19
0
The most crowded collision of galaxy clusters has been identified by combining information from three different telescopes. This result gives scientists a chance to learn what happens when some of the largest objects in ...
Astronomy
Apr 16, 2009
7
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