This supernova impostor baffled astronomers for 15 years — until they found a hidden black hole feeding on an unstable star

A hidden black hole or neutron star companion to an unstable massive star is causing the system to erupt in light that mimics a supernova explosion.

First reported 13 Nov, 00:30Updated 13 Nov, 00:30

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Space.com13 Nov, 00:30
This supernova impostor baffled astronomers for 15 years — until they found a hidden black hole feeding on an unstable star
A hidden black hole or neutron star companion to an unstable massive star is causing the system to erupt in light that mimics a supernova explosion.

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