What happens to the core of a star after it ejects a planetary nebula?
A)It becomes a neutron star.
B)It contracts from a protostar to a main- sequence star.
C)It becomes a white dwarf.
D)It breaks apart in a violent explosion.
E)None of the above

Question

Quizplus · Accepted Answer

After a star ejects a planetary nebula, the core of the star becomes a white dwarf. This is because it has exhausted all of its nuclear fuel and collapsed under its own gravity, but is not massive enough to continue fusion reactions.

What Happens to the Core of a Star After It