Scientists say a failed supernova resulted in a quiet transformation of a once-bright massive star
A star in the Andromeda galaxy 13 times the mass of the Sun has quietly turned into a black hole after failing to go supernova, according to a new scientific paper.
Massive stars can become black holes following a supernova, a spectacular cosmic event. At the end of their life cycle, when nuclear fusion in the core can no longer counteract gravity, it collapses. The resulting shockwave expels the outer layers. The core either turns into a black hole immediately or forms a neutron star that can later pull in more mass and collapse.
A team led by…
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