Kepler-186f

Terrestrial exoplanet orbiting Kepler-186

Kepler-186f (also known by its Kepler object of interest designation KOI-571.05) is a candidate Earth-sized exoplanet orbiting within the habitable zone of the red dwarf star Kepler-186, the outermost of five planets discovered around the star by NASA's Kepler space telescope. It is located about 580 light-years (180 parsecs) from Earth in the constellation of Cygnus. Kepler-186f orbits its star at a distance of about 0.43 AU (64,000,000 km; 40,000,000 mi) from its host star with an orbital period of roughly 130 days, and a radius around 1.17 times that of Earth.

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