What is the expected main-sequence lifetime of a star with a mass of 15 M ? ? (See Table 19-1 of Universe, 11th ed.)
?
?
A)10 billion years
B)less than 1 million years
C)3 million years
D)15 million years

Question

What is the expected main-sequence lifetime of a star with a mass of 15 M ? ? (See Table 19-1 of Universe, 11th ed.)
?
 ?
A)10 billion years 
B)less than 1 million years 
C)3 million years 
D)15 million years

Quizplus · Accepted Answer

According to Table 19-1 of Universe, 11th ed., a star with 15 M ε has a main-sequence lifetime of approximately 15 million years.

What Is the Expected Main-Sequence Lifetime of a Star with a Mass