Star A has a luminosity LA = 100 L and it is 1000 pc away.Star B has the same luminosity as the Sun,L,and it is 100 pc away.What can you say about the brightness of these two stars?
A) Star A is brighter than Star B.
B) Star B is brighter than Star A.
C) Star A and Star B have the same brightness.
D) It is not possible to determine the answer without knowing L,the luminosity of the Sun.
Correct Answer:
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