A star whose mass is 5 times larger than the Sun's and whose luminosity is 100 times larger than the Sun's has a main sequence lifetime about

A. 5 times longer than the Sun's.
B. 5 times shorter than the Sun's.
C. 20 times shorter than the Sun's.
D. 100 times shorter than the Sun's.
E. 500 times longer than the Sun's.


Answer: C

Physics & Space Science

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