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NASA's Chandra sees outburst from old black hole
Washington, May 15 (IBNS) An extraordinary outburst produced by a black hole in a nearby galaxy has provided direct evidence for a population of old, volatile stellar black holes.The discovery, made by astronomers using NASA´s Chandra X-ray Observatory, provides new insight into the nature of a mysterious class of black holes that can produce as much energy in X-rays as a million suns radiate
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