Multiple Choice
The star Alderamin has an apparent magnitude of 2.4 and an absolute magnitude of 1.4.From this information (assuming that the starlight has not been dimmed by interstellar clouds) ,we can say for certain that Alderamin is
A) less than 10 AU away.
B) more than 10 parsecs away.
C) less than 10 light-years away.
D) less than 10 parsecs away.
Correct Answer:

Verified
Correct Answer:
Verified
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