News tagged with galaxy clusters
Turbulence responsible for black holes' balancing act
Jul 14, 2009 |
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We live in a hierarchical Universe where small structures join into larger ones. Earth is a planet in our Solar System, the Solar System resides in the Milky Way Galaxy, and galaxies combine into groups and ...
Astronomers find most crowded collision of galaxy clusters
Apr 16, 2009 |
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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 ...
Dark Energy Found Stifling Growth in Universe
Dec 16, 2008 |
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(PhysOrg.com) -- For the first time, astronomers have clearly seen the effects of "dark energy" on the most massive collapsed objects in the universe using NASA's Chandra X-ray Observatory. By tracking how ...
Searching for primordial antimatter
Oct 30, 2008 |
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Scientists are on the hunt for evidence of antimatter - matter's arch nemesis – left over from the very early Universe. New results using data from NASA's Chandra X-ray Observatory and Compton Gamma Ray Observatory ...
Dramatically backlit dust in giant galaxy
Apr 07, 2009 |
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A new Hubble image highlights striking swirling dust lanes and glittering globular clusters in oddball galaxy NGC 7049.
Exceptionally deep view of strange galaxy
Feb 05, 2009 |
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(PhysOrg.com) -- The Coma Galaxy Cluster, in the northern constellation of Coma Berenices, the hair of Queen Berenice, is one of the closest very rich collections of galaxies in the nearby Universe. The cluster, ...
Ghostly glow reveals galaxy clusters in collision
Oct 15, 2008 |
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A team of scientists, including astronomers from the Naval Research Laboratory (NRL), have detected long wavelength radio emission from a colliding, massive galaxy cluster which, surprisingly, is not detected ...
Scientists detect cosmic 'dark flow' across billions of light years
Sep 23, 2008 |
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(PhysOrg.com) -- Using data from NASA's Wilkinson Microwave Anisotropy Probe (WMAP), scientists have identified an unexpected motion in distant galaxy clusters. The cause, they suggest, is the gravitational ...
Galaxy Clusters Have a Mysterious Motion
Sep 24, 2008 |
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(PhysOrg.com) -- The stars are in motion, and on a much larger scale than can be explained with current theories, according to astronomers at NASA, the University of Hawaii and UC Davis. The finding could improve our understanding ...
XMM-Newton's massive discovery
Aug 25, 2008 |
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(PhysOrg.com) -- ESA's orbiting X-ray observatory XMM-Newton has discovered the most massive cluster of galaxies seen in the distant Universe until now. The galaxy cluster is so big that there can only be ...
