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The Star Fomalhaut Has an Apparent Magnitude of 1

Question 92

Multiple Choice

The star Fomalhaut has an apparent magnitude of 1.15 and an absolute magnitude of 2.0. From this information (assuming that the starlight has not been dimmed by interstellar clouds) , one can say for sure that Fomalhaut is _____.


A) brightest in blue light
B) less than 10 pc away
C) brightest in red light
D) more than 10 pc away

Correct Answer:

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