Kepler-186f orbits its star at about one-third the distance of the Earth from the sun, but the alien star has only about half the size and mass of the Earth's sun.
Nothing is known yet about the atmosphere and surface conditions on Kepler-186f. It is possible that there could be liquid water on the surface, and that gravity there could be similar to that of Earth's.
Kepler-186f's star would appear larger than the sun in Earth's sky, but its light would be much dimmer.
If Kepler-186f is a rocky planet like Earth, its surface gravity would be similar to Earth's.
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