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    Wikipedia
    https://en.wikipedia.org/wiki/Supernova

    Supernova

    • 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. The original object, called the progenitor, either collapses to a neutron star or black hole, or is completely destroyed to form a diffuse … See more

    Etymology

    The word supernova has the plural form supernovae (/-viː/) or supernovas and is often abbreviated as SN or SNe. It is derived from the Latin word nova, meaning 'new', which refers to what appears to be a temporary … See more

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    Observation history

    Compared to a star's entire history, the visual appearance of a supernova is very brief, sometimes spanning several months, so that the chances of observing one with the naked eye are roughly once in a lifetime. On… See more

    Naming convention

    Supernova discoveries are reported to the International Astronomical Union's Central Bureau for Astronomical Telegrams, which sends out a circular with the name it assigns to that supernova. The name is formed fro… See more

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  2. Dictionary

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    su·per·no·va
    [ˈso͞opərˌnōvə]
    noun
    astronomy
    supernova (noun) · supernovae (plural noun) · supernovas (plural 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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  4. Merriam Webster
    https://www.merriam-webster.com/dictionary/supernova

    Supernova Definition & Meaning

     
  5. NASA Space Place
    https://spaceplace.nasa.gov/supernova/en

    What Is a Supernova?

  6. Britannica
    https://www.britannica.com/science/supernova

    Supernova | Definition, Types, & Facts

  7. EarthSky
    https://earthsky.org/astronomy-essentials/...

    What is a supernova?

  8. Space.com
    https://www.space.com/6638-supernov…

    What is a supernova?

    WEBJun 19, 2023 — A supernova is a brilliant explosion of a massive star that can outshine entire galaxies and create heavy elements. Learn about the two main types of supernovas, how they happen, and some famous …

  9. Cambridge Dictionary
    https://dictionary.cambridge.org/dictionary/english/supernova

    SUPERNOVA | English meaning

  10. Dictionary
    https://www.dictionary.com/browse/supernova

    SUPERNOVA Definition & Meaning

  11. National Geographic
    https://www.nationalgeographic.com/sc…

    Supernovae Information and Facts

    WEBSupernovae are massive cosmic explosions that produce heavy elements and enrich space. Learn how they occur in different types of stars and what they leave behind.

  12. Cambridge Dictionary
    https://dictionary.cambridge.org/us/dictionary/english/supernova

    SUPERNOVA

  13. PBS
    https://www.pbs.org/newshour/science/what-is-a-supernova

    Harvard Astrophysicist Answers: What Is a Supernova?

  14. Astronomy Magazine
    https://www.astronomy.com/science/the-different...

    The different types of supernovae explained

  15. Interesting Engineering
    https://interestingengineering.com/science/supernovas-what-are-they

    Supernovas: What are they, how do they occur, and what's their ...

  16. Vocabulary.com
    https://www.vocabulary.com/dictionary/supernova

    Supernova - Definition, Meaning & Synonyms

  17. Live Science
    https://www.livescience.com/32698-what-are...

    What Are Supernovas and What Do Scientists Learn from Them?

  18. SciTechDaily
    https://scitechdaily.com/astronomy-astrophysics-101-supernova

    Astronomy & Astrophysics 101: Supernova

  19. Science ABC
    https://www.scienceabc.com/nature/universe/what-is...

    Supernova: Definition, Facts And Significance

  20. Collins Dictionary
    https://www.collinsdictionary.com/dictionary/english/supernova

    SUPERNOVA definition and meaning

  21. The Nine Planets
    https://nineplanets.org/supernovas

    Supernovas

  22. Center for Astrophysics
    https://www.cfa.harvard.edu/research/topic/supernovas-remnants

    Supernovas & Remnants

  23. CosmoNova
    https://cosmonova.org/what-is-a-supernova

    What Is a Supernova? - Definition and Astronomical Facts

  24. Department of Energy
    https://www.energy.gov/science/doe-explainssupernovae

    DOE Explains...Supernovae

  25. Oxford Learner's Dictionaries
    https://www.oxfordlearnersdictionaries.com/us/...

    supernova noun