Question

How does gravity affect the life cycle of stars? How does it start and end the life of a massive star?

Answer 1

The more massive the star `->` More Gravity `->` Less Lifespan

Explanation:

The more massive a star is, it would have a large gravitational force.

Which as shown speeds up the nuclear fusion.

Example - Imagine you holing a water bottle upside down to let the water fall off. Your friend but presses the bottle (same kind) for the same purpose. Which one's bottle will empty first?

Note:
This would be a useful link.

How does it start and end the life of stars?
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