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Nova or Supernova. The word "nova" means new, because the star's increase in brightness caused it to be seen for the first time. A nova occurs when a small, dense star feeds on a larger, less dense star so quickly that it bursts. A supernova occurs when a really massive star (this will never happen to the Sun; it's too small) collapses in on itself.

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11y ago
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15y ago

SUPERNOVAS!!!!!!!!!!!!!!!!!!!

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11y ago

it is called the supernova to be precise.

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Q: When a star 'blows up' what is this phenomenon called?
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