NASA's Chandra X-ray spacecraft has detected the supernova wreckage of a dead star that erupted 1700...
NASA X-ray spacecraft discovers supernova wreckage at the heart of the Milky Way
NASA's Chandra X-ray spacecraft has detected the supernova wreckage of a dead star that erupted 1700 years ago, ejecting debris at 2 million mph.
Author: Space
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