'''Carbon-Nitrogen-Oxygen Cycle''' (or '''hot CNO cycle''') occurs in stars more massive than the [[sun]] (>1.1 Solar masses). This cycle is the primary process which converts hydrogen into helium. <sup><small>12</small></sup>C serves as a catalyst, an ingredient which is necessary for the reaction but is not consumed.
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The '''carbon-nitrogen-oxygen cycle''' (or '''hot CNO cycle''') occurs in stars more massive than the [[sun]] (>1.1 Solar masses). This cycle is the primary process which converts hydrogen into helium. <sup><small>12</small></sup>C serves as a catalyst, an ingredient which is necessary for the reaction but is not consumed.