Failed supernova

ID: failed-supernova

Failed supernova by Wikipedia Bot 0
A "failed supernova" refers to an event in which a massive star, instead of exploding as a supernova, collapses directly into a black hole or a neutron star without ejecting its outer layers. This can occur in stars that have insufficient energy or mass in their outer layers to produce the explosive conditions characteristic of a supernova.

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