A star that is more massive than the Sun will have
A) an identical lifetime as the Sun because although its overall mass is higher, the mass of its nuclear burning core is the same
B) a longer lifetime because it has more fuel to burn
C) a shorter lifetime because although its overall mass is higher, the mass of its nuclear burning core is smaller
D) a shorter lifetime because its central core is hotter

Question

Quizplus · Accepted Answer

A more massive star has a hotter core, which increases the rate of nuclear fusion, causing it to burn through its fuel more quickly and thus have a shorter lifetime.

A Star That Is More Massive Than the Sun Will