A supernova explosion is a cataclysmic explosion that marks the violent end of a massive star's life. During the event, the star releases immense amounts of energy, often outshining the combined light from all the stars in the host galaxy for a very brief period of time.
retrieved 8 November 2023 from https://phys.org/news/2023-11-astronomers-gravitational-supernova-1987a.html
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