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LiveScience
LiveScience
Ben Turner

Extremely rare 'failed supernova' may have erased a star from the night sky without a trace

Black Hole
An artist's rendering of a black hole .

Astronomers have watched a massive star vanish in the night sky, only to be replaced by a black hole.

The supergiant star M31-2014-DS1, which has a mass 20 times greater than the sun and is located 2.5 million light-years away in the neighboring Andromeda galaxy, brightened in 2014 before dimming from 2016 until 2023, when it finally became undetectable to telescopes.

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