While on the main sequence a star's primary energy source comes from
A)nuclear fusion.
B)nuclear fission.
C)gravitational potential energy.
D)magnetic fields.

Question

Quizplus · Accepted Answer

Nuclear fusion is the primary energy source for stars on the main sequence. This process combines hydrogen atoms to form helium, releasing a significant amount of energy in the process.

While on the Main Sequence a Star's Primary Energy Source