How long does a star of three times the Sun's mass live compared with the lifetime of the Sun? (See Table 11-2,Comins,Discovering the Essential Universe,6th ed.)
A) A star of three times the Sun's mass lives about 1/3 as long as the Sun.
B) A star of three times the Sun's mass lives about 1/20 as long as the Sun.
C) A star of three times the Sun's mass lives about three times as long as the Sun.
D) A star of three times the Sun's mass lives about 1/500 as long as the Sun.
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