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When a red giant runs out of its fuel - helium - it will blow off its outer layers while the inner core collapses to form a white dwarf. The latter will gradually radiate away its energy to become a black dwarf.

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7y ago
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7y ago

Any star will end up as a white dwarf, neutron star, or black hole; it depends on the remaining mass of the star, once it runs out of fuel.

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Q: What is the evolutionary end of red giants?
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