A white-dwarf star is at what stage of its evolution?
A) Protostar phase,just after formation
B) Very late phase of evolution
C) Post-supernova stage,after the explosion of a star
D) Main-sequence phase,"middle-aged"

Question

Quizplus · Accepted Answer

A white-dwarf star is a compact, hot object that has exhausted its nuclear fuel and has collapsed to a very small size. It is very late in its evolution, after it has gone through the main-sequence phase and possibly other phases such as red giant and planetary nebula.

A White-Dwarf Star Is at What Stage of Its Evolution