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Question
A solar-mass star will evolve off the main sequence whenA) it completely runs out of hydrogen.
B) it expels a planetary nebula to cool off and release radiation.
C) it explodes as a violent nova.
D) it builds up a core of inert helium.
E) it loses all its neutrinos, so fusion must cease.
Answer
This answer is hidden. It contains 1 characters.
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