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En astronomie, une hypernova, ou supernova superlumineuse (nom plus courant dans les publications récentes ; en abrégé SNSL, ou en anglais SLSN pour superluminous supernova ), est une explosion qui libérerait l' énergie de plus de 100 supernovas, soit environ 10 46 joules 1.
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8 janv. 2007 · définition. au sommaire. Explosion d'une étoile au moins 40 fois plus massive que le soleil. La luminosité, gigantesque, dépasse 100 fois celle d'une supernovae. On pense que les étoiles ...
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Hypernova. ESO image of hypernova SN 1998bw in a spiral arm of galaxy ESO 184-G82. A hypernova is a very energetic supernova which is believed 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 astrophysical jets and surrounded by an ...
20 oct. 2016 · A nova is a star that brightens up when a white dwarf absorbs material from a companion and undergoes fusion. A supernova is a more catastrophic explosion of a white dwarf when it reaches a critical mass.
8 juil. 2021 · Scientists Found a New Type of Space Explosion, 10x More Energetic Than a Supernova. Animation of a hypernova. (NASA/GSFC/Dana Berry) Until recently it was thought neutron star mergers were the only way heavy elements (heavier than zinc) could be produced.
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