The absolute magnitude of a star is a measure of its
A) luminosity.
B) composition.
C) distance.
D) color.
E) radius.

Name: The absolute magnitude of a star is a measure of its A) luminosity. B) composition. C) distance. D) color. E) radius.
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Quizplus · Accepted Answer

The absolute magnitude of a star is a measure of its luminosity, which is the intrinsic brightness of the star as it would appear at a standard distance of 10 parsecs.

The Absolute Magnitude of a Star Is a Measure of Its