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.
The surface of Proxima b