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Why all-stars have light?

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Anonymous

14y ago
Updated: 8/18/2019

Stars undergo nuclear fusion in their cores, and so generate energy; i.e., light and heat. No nuclear fusion, no energy generation, ergo not a star at all.

Generating light and heat is how we can tell a very large planet from a star. If it isn't generating energy from nuclear fusion, then it isn't a star.

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Wiki User

14y ago

What else can I help you with?