-Which of the following is closest to the time a 10-solar-mass star spends on the main sequence?
A) 10 million years
B) 1 billion years
C) 10 billion years
D) 100 billion years

Question

-Which of the following is closest to the time a 10-solar-mass star spends on the main sequence?
A) 10 million years 
B) 1 billion years 
C) 10 billion years 
D) 100 billion years

Quizplus · Accepted Answer

A 10-solar-mass star has a much shorter main sequence lifespan compared to a star like the Sun due to its higher mass and consequently higher rate of nuclear fusion. It spends roughly 10 million years on the main sequence, significantly less than lower-mass stars.

-Which of the Following Is Closest to the Time a 10-Solar-Mass