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What is the red giant

User Vdavid
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A red giant refers to a giant star of low mass in the late phase of the stellar evolution.

The temperature of the surface is around 8,500 °F.

User Takeisha
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a very large star of high luminosity and low surface temperature. Red giants are thought to be in a late stage of evolution when no hydrogen remains in the core to fuel nuclear fusion.
User Zonella
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