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Proxima Centauri b is a planet orbiting within the habitable zone of the red dwarf star Proxima Centauri, which is in a triple star system.[1]

Background[]

Proxima Centauri b orbits the star at a distance of roughly 0.05 AU (7,500,000 km; 4,600,000 mi) with an orbital period of approximately 11.2 Earth days, and has an estimated mass of at least 1.3 times that of the Earth.

Artist's impression of the planet orbiting Proxima Centauri

The surface of Proxima b

References[]

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