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Proxima CentauriClosest Known Star, Proxima Centauri, Measured, Theories Hold Up. It's still small. It's stil VERY close.

In astronomical terms, the newly measured angular diameter of Proxima Centauri is 1.02 + 0.08 milliarcsec, or about the size of an astronaut on the surface of the Moon as seen from the Earth, astronomers said, or a head of a pin on the surface of the Earth, as seen from the International Space Station.