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Dark matter mystery deepens in cosmic 'train wreck'
08-16-2007 · EurekAlert!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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Keywords: dark, matter, mystery, deepens, cosmic, train, wreck, deepen
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