Multiple Choice
Star A and star B appear equally bright, but star A is twice as far away from us as star B. Which of the following is true?
A) Star A is twice as luminous as star B.
B) Star A is four times as luminous as star B.
C) Star B is twice as luminous as star A.
D) Star B is four times as luminous as star B.
E) Star A and star B have the same luminosity because they have the same brightness.
Correct Answer:
Verified
Correct Answer:
Verified
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