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

Question

Quizplus · Accepted Answer

After a star ejects a planetary nebula, the core of the star collapses under gravitational pressure and becomes a white dwarf.

What Happens to the Core of a Star After It