Sunday, September 4, 2011
NASA's Chandra finds nearest pair of supermassive black holes
NASA's Chandra finds nearest pair of supermassive black holes: " Astronomers using NASA's Chandra X-ray Observatory discovered the first pair of supermassive black holes in a spiral galaxy similar to the Milky Way. Approximately 160 million light years from Earth, the pair is the nearest known such phenomenon."
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