Mysterious flashing seen near supermassive black hole. Astronomers have an idea what it is
A black hole infamous for strange features has once again baffled astronomers, this time with rapid X-ray flashes. What could they be?
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Intrepid white dwarf has a close encounter with a massive black hole
WASHINGTON (Reuters) - Scientists have detected emanating from the ... The researchers estimated that the white dwarf is orbiting the black hole at about 5% the distance that separates Earth ...