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1. 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.

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     Less Than Five - What is a Supernova?

     24 May 2017

     503.3K views

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     What is a supernova?

     7 Sep 2021

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     A Tour of Supernova 1987A

     24 Feb 2017

     154.3K views

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

   spaceplace.nasa.gov › supernova › en

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   Jul 9, 2024 · Learn about the causes, types, brightness, and effects of supernovas, the biggest explosions in the universe. Find out how NASA scientists use telescopes to study these spectacular events and what they reveal about the origin of elements and the expansion of space.

4. www.nbcnews.com › science › spaceNova explosion will be visible to naked eye in rare ...

   www.nbcnews.com › science › space

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   Mar 22, 2024 · Cosmic explosion will be visible to the naked eye in once-in-a-lifetime stargazing event. The event, known as a nova, will be so bright that a “new” star will seem to appear in the night sky ...

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

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   Jun 15, 2024 · Learn about supernovae, the explosive events that end the lives of massive stars and create many of the heavier elements in the universe. Find out the types, history, and examples of supernovae, and how they are observed and studied by astronomers.

   • Author: The Editors of Encyclopaedia Britannica

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7. www.nasa.gov › centers-and-facilities › marshallNASA, Global Astronomers Await Rare Nova Explosion - NASA

   www.nasa.gov › centers-and-facilities › marshall

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   Jun 6, 2024 · T Coronae Borealis, a binary system in the Northern Crown constellation, is expected to erupt as a nova in 2024, visible to the naked eye. Learn how NASA and citizen scientists will observe and study this rare cosmic event with various telescopes and instruments.

8. 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 entire galaxies and radiate more energy than...

9. www.nationalgeographic.com › science › articleSupernovae Information and Facts | National Geographic

   www.nationalgeographic.com › science › article

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   Supernovae are massive cosmic explosions that produce heavy elements and enrich space. Learn about the different types of supernovae, how they occur, and what they leave behind.