What approximate core temperature must be reached to initiate the fusion of Carbon-12 with helium to form Oxygen-16?
Answer
$600$ million Kelvin ($6 imes 10^8 ext{ K}$).
If a star has enough remaining mass, after consuming its central helium, the core contracts further until it reaches approximately $600$ million Kelvin, allowing Carbon-Helium Capture to begin forming Oxygen-16.
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