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what is red giants

A red giant is a luminous giant star of low or intermediate mass in a late phase of stellar evolution.The Red Giants produce a large amount of light because of their great size. All normal stars are expected to pass through the Red Giant phase at some time in their lifetime. The Red Giant is usually 10-1500 times the size of our sun’s current size. Most Red Giants are red but some of them are orange or even yellow, because of the amount of different chemicals and or elements inside it.


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