A red giant:

Name: A red giant:
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Question

A red giant:

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A red giant is a dying star that has expanded to be hundreds of times larger than its original size. While it may have fusing happening in its core, the outer layers have expanded and cooled, causing the star's surface temperature to be relatively cool (around 5,000-6,000 Kelvin). Fusing helium may occur in the core or shell of a red giant, but it does not make up the majority of its surface.

A Red Giant