A stellar evolutionary track is the sequence of:
A) spatial locations occupied by a star over its lifetime.
B) luminosities and surface temperatures of a star over its lifetime.
C) fuel supplies of a star over its lifetime.
D) star formation and supernovae in a galaxy.

Question

Quizplus · Accepted Answer

A stellar evolutionary track shows the changes in a star's luminosity and surface temperature over its lifetime as it exhausts its fuel and undergoes various stages of nuclear burning. It does not show the spatial locations or fuel supplies of the star, or any other events in the galaxy.

A Stellar Evolutionary Track Is the Sequence Of