Luminosity is
A)the total amount of light energy that star emits into space.
B)the stars apparent brightness.
C)the stars particular color spectrum output.
D)the stars total infrared output.

Question

Quizplus · Accepted Answer

Luminosity is defined as the total amount of light energy that a star emits into space. It is a measure of the star's intrinsic brightness and is not dependent on its distance from Earth or any other observer.

Luminosity Is