Why don't low- mass stars have the CNO cycle occurring in their cores?
A)Their core temperatures are too low.
B)The CNO cycle makes elements heavier than carbon, nitrogen, and oxygen.
C)They don't have enough carbon, nitrogen, and oxygen.

Question

Quizplus · Accepted Answer

The CNO cycle requires a high enough core temperature for the fusion process to occur. Low-mass stars do not have a hot enough core to sustain the CNO cycle.

Why Don't Low- Mass Stars Have the CNO Cycle Occurring