The most authoritative answer in 2024
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Zoe Miller——Studied at the University of Melbourne, Lives in Melbourne, Australia.
Stellar
black holes are
made when the center of a very big star falls in upon itself, or collapses. When this happens, it causes a supernova. A supernova is an exploding star that blasts part of the star into space. Scientists think supermassive
black holes were
made at the same time as the galaxy they are in.
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