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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.
- Supernova (Disambiguation)
Astrophysics. Type Ia supernova; Type Ib and Ic supernovae;...
- History of supernova observation
The known history of supernova observation goes back to 1006...
- Supernova (Disambiguation)
Ten artykuł dotyczy astronomii. Zobacz też: inne znaczenia tej nazwy. Supernowa – termin określający kilka rodzajów kosmicznych eksplozji powodujących powstanie na niebie niezwykle jasnego obiektu, który już po kilku tygodniach lub miesiącach staje się niemal niewidoczny.
A supernova is the explosion of a giant star. It usually happens when the nuclear fusion in the star cannot hold the core against its own gravity. [1] The core collapses, and then explodes. The biggest stars that make supernovae are hypergiants and smaller ones are supergiants.
May 25, 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
A Type Ia supernova (read: "type one-A") is a type of supernova that occurs in binary systems (two stars orbiting one another) in which one of the stars is a white dwarf. The other star can be anything from a giant star to an even smaller white dwarf. [1]
Nov 12, 2020 · November 12, 2020. A supernova is the name given to the cataclysmic explosion of a massive star at the end of its life. It can emit more energy in a few seconds than our sun will radiate in its...
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