A star's absolute magnitude is its apparent brightness as seen from
A) Alpha Centauri.
B) 10 light- years distance.
C) Pluto.
D) 100 parsecs distance.
E) 10 parsecs distance.

Name: A star's absolute magnitude is its apparent brightness as seen from A) Alpha Centauri. B) 10 light- years distance. C) Pluto. D) 100 parsecs distance. E) 10 parsecs distance.
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Question

Quizplus · Accepted Answer

Absolute magnitude is defined as the apparent brightness of a star if it were located at a standard distance of 10 parsecs from the observer.

A Star's Absolute Magnitude Is Its Apparent Brightness as Seen