The luminosity of a star is a unique measure of its
A) total energy output.
B) velocity of recession away from Earth.
C) temperature.
D) physical size.

Name: The luminosity of a star is a unique measure of its A) total energy output. B) velocity of recession away from Earth. C) temperature. D) physical size.
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Question

Quizplus · Accepted Answer

The luminosity of a star refers to its total energy output per unit time, encompassing all types of electromagnetic radiation, not just visible light.

The Luminosity of a Star Is a Unique Measure of Its