Scientists have discovered a 'monster black hole' with a mass 70 times greater than our sun. 9News
The Chinese team has proposed a number of theories. LB-1's sheer size suggests that it "was not formed from the collapse of only one star," the study said -- instead, it could potentially be two smaller black holes orbiting each other.This is when a supernova -- the last stage of an exploding star -- ejects material during the explosion, which then falls back into the supernova, creating a black hole.
An artist impression of a star making its closest approach to the super-massive black hole at the centre of the Milky Way in 2018. CNN This fallback formation is theoretically possible, but scientists have never been able to prove or observe it. If this is how LB-1 formed, then we may have "direct evidence for this process" for the first time, the study said.
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