PLEASE MARK MY ANSWER AS BRAINLIEST. The CNO cycle for carbonnitrogenoxygen is one of the two known sets of fusion reactions by which stars convert hydrogen to helium the other being the protonproton chain reaction pp-chain reaction. What is the CNO cycle.
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For stars of mass greater than about two solar masses in fact a different cycle of thermonuclear reactions involving the elements carbon nitrogen and. The p p adeuteron d e n cross section is very small because the protons have to overcome their mutual repulsion tunnel to a distance of about 1 fm. HOPE IT HELPS YOU. The CNO cycle refers to the Carbon-Nitrogen-Oxygen cycle a process of stellar nucleosynthesis in which stars on the Main Sequence fuse hydrogen into helium via a six-stage sequence of reactions.