XMM-Newton discovers part of missing matter in the universe

ESA’s orbiting X-ray observatory XMM-Newton has been used by a team of international astronomers to uncover part of the missing matter in the universe.

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<p><a href="http://www.physorg.com/news129299210.html">XMM-Newton discovers part of missing matter in the universe</a></p> <p>ESA’s orbiting X-ray observatory XMM-Newton has been used by a team of international astronomers to uncover part of the missing matter in the universe.</p>