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  1. 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.

  2. 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.

  3. 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 ...

  4. 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.

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  5. 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.

  6. 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...

  7. 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.

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