A star can be a supernova:
A)in predictable cycles of decades.
B)a few times, at unpredictable intervals.
C)only if it can fuse iron in its core.
D)before it reaches the main sequence, if it is massive enough.
E)only once.

Question

Quizplus · Accepted Answer

A star can only become a supernova once in its lifetime. It occurs when a star exhausts its nuclear fuel, causing the core to collapse and leading to a massive explosion. It is not predictable and can happen to any star that meets the criteria for a supernova.

A Star Can Be a Supernova