How is the length of a star's lifetime related to the mass of the star?
A) Higher-mass stars run through their lives faster and have shorter lifetimes.
B) The lifetimes of stars are too long to measure,so it is not known how their lifetimes depend on mass.
C) Lower-mass stars run through their lives faster and have shorter lifetimes.
D) A star's lifetime does not depend on its mass.

Question

Quizplus · Accepted Answer

Higher-mass stars have more fuel, but they burn it at a faster rate, causing them to run through their lives faster and have shorter lifetimes. Lower-mass stars have less fuel, but they burn it at a slower rate, causing them to have longer lifetimes.

How Is the Length of a Star's Lifetime Related to the Mass