In comparing a young red giant star with the main-sequence star from which it evolved,which statement is NOT true?
A) The core of the main-sequence star is hotter.
B) Hydrogen fusion occurs in the core of the main-sequence star and in a shell around the core in the red giant star.
C) The red giant star has a larger diameter.
D) The red giant star has the cooler surface temperature.
Correct Answer:
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