 CNO cycle (source code)

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= CNO cycle
{wiki=CNO_cycle}

The CNO cycle, or carbon-nitrogen-oxygen cycle, is one of the two main fusion processes that stars use to convert hydrogen into helium, the other being the proton-proton chain reaction. The CNO cycle is particularly important in stars that are more massive than the Sun, where temperatures and pressures are sufficiently high to facilitate the reaction.

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