Proxima Centauri and Barnard's star are very cool, faint and small stars, approximately 1/10th the mass and diameter of the sun. They burn slowly and have an estimated lifetime of 100 billion years categorised as:

red dwarf

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white dwarf

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red giants

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brown dwarf

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Solution

The correct option is A red dwarf
Proxima Centauri and Barnard's star are red dwarf.
Ans: Red Dwarf

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