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How long does core helium burning last in a star compared to core hydrogen burning?

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How long does core helium burning last in a star compared to core hydrogen burning?

How long does core helium burning last in a star compared to core hydrogen burning?
A)   About 1/2 of the time spent burning hydrogen
B)   About 1/10 of the time spent burning hydrogen
C)   About 1/100 of the time spent burning hydrogen
D)   About 3 times as long as the time spent burning hydrogen

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Discovering the Universe

Discovering the Universe

Edition: 7^th

Authors: Kaufmann, Comins

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symbo Author

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6 years ago

Very informative, I appreciate the extra effort

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