- 19
- Apr
Scientists are watching two supermassive black holes spiral towards each other near the center of a galaxy cluster named Abell 400. Shown in this X-ray/radio composite image are the multi-million degree radio jets emanating from the black holes.
NASA Image:






















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September 18th, 2008 at 10:40 am
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December 16th, 2009 at 1:10 am
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February 28th, 2010 at 11:25 am
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