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Can a candle burn in zero gravity?
Answer 1:

As long as there is oxygen around, a candle would be able to burn in zero gravity. However, it may get put out very quickly! If there were truly no gravity, the hot gases that the burning candle produces could not escape from the candle as quickly - it would have to diffuse out, possibly much more slowly. It's possible that in a small enough zero-gravity "room," the candle would extinguish itself very quickly.



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