If the magnitude difference between one star and another is 1, the stars differ in brightness by a factor of
A) 10.
B) 100.
C) 2.51.
D) 4.

Name: If the magnitude difference between one star and another is 1, the stars differ in brightness by a factor of A) 10. B) 100. C) 2.51. D) 4.
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Question

Quizplus · Accepted Answer

A magnitude difference of 1 corresponds to a brightness difference factor of approximately 2.51, based on the logarithmic scale used in astronomy to measure stellar brightness.

If the Magnitude Difference Between One Star and Another Is