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Law Incorporation [45]
3 years ago
8

After a smaller star runs out of hydrogen it begins to become a :

Biology
1 answer:
fomenos3 years ago
5 0

Stars Like the Sun. When the core runs out of hydrogen fuel, it will contract under the weight of gravity. ... The upper layers will expand and eject material that will collect around the dying star to form a planetary nebula. Finally, the core will cool into a white dwarf and then eventually into a black dwarf.

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