Multiple Choice
How long is the main-sequence lifetime of a star with 3 times the Sun's mass compared to the lifetime of the Sun? (See Table 19-1 of Universe, 11th ed.)
A) about 3 times as long
B) about 1/500 as long
C) about 1/15 as long
D) about 1/3 as long
Correct Answer:

Verified
Correct Answer:
Verified
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