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) ,we can say for sure that Fomalhaut is _____ away.
A) more than 10 ly
B) less than 10 pc
C) less than 10 ly
D) more than 10 pc
Correct Answer:
Verified
Correct Answer:
Verified
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