What is generally the range of a star's hydrogen burning lifetime?
A)from a few million to 50 billion years
B)from a few hundred thousand to 20 billion years
C)from 20 billion to 100 billion years
D)from 2 billion to 15 billion years

Question

Quizplus · Accepted Answer

The hydrogen burning lifetime of a star, which is essentially the main sequence phase, can vary widely depending on the mass of the star. More massive stars burn their hydrogen more quickly and have shorter lifetimes, ranging from a few million years, while less massive stars burn their hydrogen more slowly and can have lifetimes up to around 50 billion years, even though no star has yet lived this long since the universe itself is about 13.8 billion years old.

What Is Generally the Range of a Star's Hydrogen Burning