If the Sun spends 10 billion years on the main sequence,how long will a star 100 times more massive than the Sun spend there? A) 10⁵ years B) 3 × 10⁶ years C) 10⁹ years D) 10¹¹ years

Question

Quizplus · Accepted Answer

Massive stars burn their fuel much more quickly than less massive stars. A star 100 times more massive than the Sun would have a significantly shorter main sequence lifespan, not longer. The lifespan of a star on the main sequence decreases sharply with increasing mass, so a star 100 times more massive than the Sun would spend far less than 10 billion years on the main sequence.

If the Sun Spends 10 Billion Years on the Main