[postlink]
http://uboytube.blogspot.com/2012/06/x-ray-echoes-probe-habitat-of-monster.html[/postlink]
http://www.youtube.com/watch?v=M3qwNHAMJu0endofvid
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Astronomers using data from the European Space Agency's XMM-Newton satellite have found a long-sought X-ray signal from NGC 4151, a galaxy that contains a supermassive black hole. The discovery promises a new way to unravel what's happening in the neighborhood of these powerful objects.
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[starttext]
Astronomers using data from the European Space Agency's XMM-Newton satellite have found a long-sought X-ray signal from NGC 4151, a galaxy that contains a supermassive black hole. The discovery promises a new way to unravel what's happening in the neighborhood of these powerful objects.
[endtext]
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