16-August-2007, 08:55 PM
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Vulcan Administrator
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Join Date: Oct 2001
Location: Greenbelt, MD
Posts: 25,904
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Dark Matter Mystery Deepens In Cosmic 'Train Wreck'
Dark Matter Mystery Deepens In Cosmic 'Train Wreck'
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Astronomers have discovered a chaotic scene unlike any witnessed before in a cosmic "train wreck" between giant galaxy clusters. NASA's Chandra X-ray Observatory and optical telescopes revealed a dark matter core that was mostly devoid of galaxies, which may pose problems for current theories of dark matter behavior.
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