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Three Stars Have the Following Absolute (M) and Apparent (M)

Question 148

Multiple Choice

Three stars have the following absolute (M) and apparent (m) magnitudes. Star A: M = 1.8 m = 3.8
Star B: M = 2.5 m = 9.5
Star C: M = 7.6 m = 15.1
Which star is closest to Earth?


A) Star A
B) Star B
C) Star C
D) cannot be determined from these data

Correct Answer:

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