The Hertzsprung-Russell diagram is a plot of
A) apparent brightness against intrinsic brightness of a group of stars.
B) apparent brightness against distance for stars near the Sun.
C) luminosity against mass of a group of stars.
D) absolute magnitude (or luminosity) against temperature of a group of stars.

Question

Quizplus · Accepted Answer

The Hertzsprung-Russell diagram plots stars according to their absolute magnitude (or luminosity) and their temperature, categorizing them into different groups based on their evolutionary stage.

The Hertzsprung-Russell Diagram Is a Plot of