Kepler-186F Sun. Kepler 186f is a planet that only appeared in season 1. Kepler 186f may be tidally locked.
Kepler 186f orbits a red dwarf star with around half the mass of the sun, red dwarfs are by far the most common type of star in our galaxy. It is the first planet with a radius similar to earth's to be discovered in the habitable zone of another star. Kepler 186f was found in the habit zone.
The confirmed number is about 2,000 and several.
Red dwarfs emit far less energy than the sun, as a result kepler 186f only receives about a third of the sunlight we receive on earth. It is the outermost of five planets to orbit a star which is smaller, cooler and dimmer than the sun. This is why the system's habitable zone is much closer to the star. Kepler 186f is colored dark blue like neptune.
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