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- Dictionarysu·per·no·va/ˈso͞opərˌnōvə/
noun
- 1. a star that suddenly increases greatly in brightness because of a catastrophic explosion that ejects most of its mass.
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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.
Learn the meaning of supernova as a star explosion and a term for fame or popularity. See synonyms, examples, word history, and related entries.
Jun 15, 2024 · A supernova is a violent explosion of a star that can outshine its entire galaxy for a few weeks. Learn about the different types of supernovae, their historical and recent examples, and their effects on the interstellar medium and the formation of heavy elements.
Jun 19, 2023 · A supernova is what happens when a star has reached the end of its life and explodes in a brilliant burst of light. Supernovas can briefly outshine...
Jul 9, 2024 · A supernova is the extremely bright, super-powerful explosion of a star. Learn about the two types of supernovas, how they happen, how bright they are, and what we can learn from them.
Nov 12, 2020 · A supernova is the cataclysmic explosion of a massive star at the end of its life. Learn about the types, causes and examples of supernovae, and how they affect the sky and the universe.
A supernova is a star that has exploded, increasing its brightness for a few months. Learn more about the science, history and effects of supernovae from Cambridge Dictionary, with examples and translations.
