What happens when a star exhausts its core hydrogen supply


Asked by wiki @ in Physics viewed by 168 People


What happens when a star exhausts its core hydrogen supply?

Answered by wiki @


Answer:

It becomes a giant or supergiant.

Explanation:

Once all the hydrogen supply is gone, fusion of hydrogen into helium stops. The core starts to contract and liberates energy, which heats the superior layer until it becomes hot enough to start the fusion of hydrogen into helium.

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