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What is a supernova?

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... supernova a massive star in the latter stages of stellar evolution that suddenly contracts and then explodes, increasing its energy output as much as a billionfold.

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Get more facts and information about supernova . Or, view the full encyclopedia entry from The Columbia Encyclopedia, Sixth Edition.

Similar questions: How can we located supernovas? How much energy does a supernova emit? What do supernovas look like? Who discovered supernovas? [ Hide these questions ]

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