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What star has the smallest radius and what star with smallest radius

User Sare
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Answer:

OGLE-TR-122b, a red dwarf star that's part of a binary stellar system. This red dwarf the smallest star to ever have its radius accurately measured; 0.12 solar radii. This works out to be 167,000 km.

Step-by-step explanation:

User Aitchkhan
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