XMM-Newton spots the greatest of great balls of fire

Thanks to data from ESA's XMM-Newton X-ray satellite, a team of international scientists found a comet-like ball of gas over a thousand million times the mass of the sun hurling through a distant galaxy cluster over 750 kilometres per second.

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<p><a href="http://www.physorg.com/news69337256.html">XMM-Newton spots the greatest of great balls of fire</a></p> <p>Thanks to data from ESA's XMM-Newton X-ray satellite, a team of international scientists found a comet-like ball of gas over a thousand million times the mass of the sun hurling through a distant galaxy cluster over 750 kilometres per second.</p>