Multiple Choice
You observe a red star and a blue star and are able to determine that they are the same size. Which star is hotter, and which star is more luminous?
A) The red star is hotter and more luminous.
B) The red star is hotter, and the blue star is more luminous.
C) The blue star is hotter and more luminous.
D) The blue star is hotter, and the red star is more luminous.
E) They have the same luminosities and temperatures.
Correct Answer:

Verified
Correct Answer:
Verified
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