Yahoo India Web Search

Sign In

Search results

  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.

    Powered by Oxford Dictionaries

    More definitions, origin and scrabble points

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

    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.

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

    Jun 15, 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.

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

    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.

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

    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...

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

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

  7. 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?

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

    Nov 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 lifetime...