The Sun will undergo fusion in its core during which of the following evolutionary phases?
A) main sequence and horizontal branch
B) main sequence and red giant
C) main sequence only
D) main sequence, red giant, horizontal branch, and asymptotic giant branch

Question

Quizplus · Accepted Answer

During its main sequence phase, the Sun fuses hydrogen into helium in its core. In the horizontal branch phase, for stars of appropriate mass, helium fusion occurs in the core.

The Sun Will Undergo Fusion in Its Core During Which