Historical record12 October 2001
Chandra results reveal numerous X-ray binaries in the central region of M31 and isolate an X-ray source consistent with the position of its supermassive black hole.
United States · Science / Astronomy. Chronological records rendered directly from the World History Database.
Chandra results reveal numerous X-ray binaries in the central region of M31 and isolate an X-ray source consistent with the position of its supermassive black hole.
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