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Mistaken identity: A presumed supernova is actually something much rarer

12 Jan 2021, 15:28 UTC
Mistaken identity: A presumed supernova is actually something much rarer NASA/GSFC

In a case of comic mistaken identity, an international team of astronomers revealed that what they once thought was a supernova is actually periodic flaring from a galaxy where a supermassive black hole gives off bursts of energy every 114 days as it tears off chunks of an orbiting star.

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