Social Studies, 29.11.2019 04:31 derisepicowe0fa
What happens when a main-sequence star exhausts its core hydrogen fuel supply? what happens when a main-sequence star exhausts its core hydrogen fuel supply?
a. the core shrinks, while the rest of the star expands.
b. the star becomes a neutron star.
c. the core immediately begins to fuse its helium into carbon.
d. the entire star shrinks in size.
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