Red Giant
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Astronomy - Red Giant

What is a Red Giant?

The red giant stage occurs after the main sequence stage in a star’s lifetime. Learn more about astronomy terms with our picture encyclopedia!




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Storyboard Description

The red giant stage occurs after the main sequence stage in a star’s lifetime. When a star runs out of its nuclear fuel, it grows to be many hundreds of times its original size and cools, making it appear red.

Storyboard Text

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  • RED GIANTThe red giant stage occurs after the main sequence stage in a star’s lifetime. When a star runs out of its nuclear fuel, it grows to be many hundreds of times its original size and cools, making it appear red.

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