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6 giu 2024 · Don’t confuse a nova with a supernova, a final, titanic explosion that destroys some dying stars, Hounsell said. In a nova event, the dwarf star remains intact, sending the accumulated material hurtling into space in a blinding flash.
1 giorno fa · A supernova (pl.: supernovae or supernovas) is a powerful and luminous explosion of a star. A supernova occurs during the last evolutionary stages of a massive star, or when a white dwarf is triggered into runaway nuclear fusion.
20 ore fa · Supernova di una nana bianca: J1249+36 potrebbe essere stata il compagno di una nana bianca che, esplodendo in supernova, l’ha espulsa a grande velocità. Espulsione da un ammasso globulare: J1249+36 potrebbe essere stata scagliata nello spazio a seguito di interazioni con buchi neri binari all’interno di un ammasso globulare.
13 giu 2024 · A supernova is the biggest explosion that humans have ever seen. Each blast is the extremely bright, super-powerful explosion of a star.
15 giu 2024 · supernova, any of a class of violently exploding stars whose luminosity after eruption suddenly increases many millions of times its normal level. The term supernova is derived from nova (Latin: “new”), the name for another type of exploding star. Supernovae resemble novae in several respects.
- The Editors of Encyclopaedia Britannica
17 giu 2024 · Science. Explained: What Is a Supernova? We really are made of stardust. By Jessica Hall June 17, 2024. Credit: NASA, ESA, CSA, STScI, T. Temim (Princeton University) Every so often, a mysterious...
14 giu 2024 · Astronomers using the James Webb Space Telescope (JWST) have found an astonishing number of supernovae in the distant universe, including the farthest ever confirmed. Their discoveries have ...
