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1. Dictionary

   supernova

   /ˈsuːpəˌnəʊvə/

   noun

   • 1. a star that suddenly increases greatly in brightness because of a catastrophic explosion that ejects most of its mass.

   Scrabble Points: 14

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2. People also ask

   What is a type II supernova?

   • Type II supernovae occur when a large star runs out of fuel, which brings it into a rapid collapse and explosion. Such a star is between eight and 40 times heavier than our sun. They are often referred to as “core collapse” supernovae because that’s exactly what happens.

   What is a supernova? - EarthSky

   earthsky.org/astronomy-essentials/definition-what-is-a-supernova/

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   What happens if a star goes supernova?

   • When a star “goes supernova,” considerable amounts of its matter, equaling the material of several Suns, may be blasted into space with such a burst of energy as to enable the exploding star to outshine its entire home galaxy.

   Supernova | Definition, Types, & Facts | Britannica

   www.britannica.com/science/supernova

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   What is a supernova in physics?

   • 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 - Wikipedia

   en.wikipedia.org/wiki/Supernova

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   What is the oldest supernova?

   • The oldest recorded supernova is RCW 86, which Chinese astronomers spotted in A.D. 185. Their records show that this "guest star" stayed in the sky for eight months, according to NASA. The Crab Nebula, arguably the most famous supernova, was first spotted by Chinese and Korean astronomers who recorded this star explosion in their records in 1054.

   What is a supernova? | Space

   www.space.com/6638-supernova.html

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3. en.wikipedia.org › wiki › SupernovaSupernova - Wikipedia

   en.wikipedia.org › wiki › Supernova

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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.

4. www.britannica.com › science › supernovaSupernova | Definition, Types, & Facts | Britannica

   www.britannica.com › science › supernova

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   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.

   • Author: The Editors of Encyclopaedia Britannica

5. spaceplace.nasa.gov › supernova › enWhat Is a Supernova? | NASA Space Place – NASA Science for Kids

   spaceplace.nasa.gov › supernova › en

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   Jun 13, 2024 · A supernova is the biggest explosion that humans have ever seen. Each blast is the extremely bright, super-powerful explosion of a star. An illustration of one of the brightest and most energetic supernova explosions ever recorded. Image credit: NASA/CXC/M.Weiss.

6. Videos

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     What is a Nova? How Does It Compare to a Supernova?

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7. www.merriam-webster.com › dictionary › supernovaSupernova Definition & Meaning - Merriam-Webster

   www.merriam-webster.com › dictionary › supernova

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   Learn the meaning of supernova as a star explosion and a term for fame or popularity. See synonyms, examples, word history, and related entries.

8. dictionary.cambridge.org › english › supernovaSUPERNOVA | English meaning - Cambridge Dictionary

   dictionary.cambridge.org › english › supernova

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   SUPERNOVA definition: 1. a star that has exploded, strongly increasing its brightness for a few months 2. a star that has…. Learn more.

9. www.space.com › 6638-supernovaWhat is a supernova? | Space

   www.space.com › 6638-supernova

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   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...

10. earthsky.org › definition-what-is-a-supernovaWhat is a supernova? - EarthSky

    earthsky.org › definition-what-is-a-supernova

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    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.