Why does a red giant fuse hydrogen more rapidly than a main sequence star of the same mass?
A) The star becomes more luminous.
B) The efficiency of energy generation decreases due to helium fusion.
C) The star's interior heats up.
D) The star becomes larger.

Question

Quizplus · Accepted Answer

As a star evolves into a red giant, its core contracts and heats up, increasing the rate of hydrogen fusion in a shell around the core.

Why Does a Red Giant Fuse Hydrogen More Rapidly Than