While on the main sequence,what is a star's primary energy source?
A)nuclear fusion
B)nuclear fission
C)gravitational potential energy
D)magnetic fields

Question

Quizplus · Accepted Answer

A star's primary energy source while on the main sequence is nuclear fusion, where hydrogen atoms fuse together to form helium and release energy in the process. This fusion reaction provides the energy that allows a star to shine and maintain its size and temperature.

While on the Main Sequence,what Is a Star's Primary Energy