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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.

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    More definitions, origin and scrabble points

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

    A supernova is a powerful and luminous explosion of a star that can be observed with the naked eye. Learn about the different mechanisms, effects and examples of supernovae, as well as their historical records and observation methods.

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

    5 days ago · A supernova is the extremely bright, super-powerful explosion of a star. Learn about the two types of supernovas, how they happen, and what they can teach us about the universe.

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

    Sep 20, 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.

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

    Jun 19, 2023 · A supernova is a brilliant explosion of a massive star that can outshine entire galaxies and create heavy elements. Learn about the different types of supernovas, how they are observed...

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

    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.

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

    Nov 12, 2020 · A supernova is the cataclysmic explosion of a massive star at the end of its life. Learn about the different types of supernovae, their causes, effects and examples in this astronomy...

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

    The meaning of SUPERNOVA is the explosion of a star in which the star may reach a maximum intrinsic luminosity one billion times that of the sun. Did you know?