The energy flux, F, emitted by a star is the amount of
A) energy emitted by the entire star each second.
B) incoming light reflected by the star each second.
C) energy emitted by each square meter of the star's surface each second.
D) energy emitted by the star over its lifetime.

Question

Quizplus · Accepted Answer

The energy flux, F, emitted by a star refers to the amount of energy emitted by each square meter of the star's surface each second. This is a measure of the star's luminosity per unit area.

The Energy Flux, F, Emitted by a Star Is the Amount