A hypernova (sometimes called a collapsar) is a very energetic supernova thought to result from an extreme core-collapse scenario. In this case, a massive star (>30 solar masses) collapses to form a rotating black hole emitting twin energetic jets and surrounded by an accretion disk . It is a type of stellar explosion that ejects material with an unusually high kinetic energy , an order of magnitude higher than most supernovae, with a luminosity at least 10 times greater. They usually appear similar to a type Ic supernova , but with unusually broad spectral lines indicating an extremely high expansion velocity. Hypernovae are one of the mechanisms for producing long gamma ray bursts(GRB's), which range from 2 seconds to over a minute in duration. They have also been referred to as superluminous supernova, though that classification also includes other types of extremely luminous stellar explosions that have different origins.
Destruction Monsters - Hypernova
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