delicatuscii-wasbella102: Illustration of Kepler-186f, the first validated Earth-size planet to orbi
delicatuscii-wasbella102: Illustration of Kepler-186f, the first validated Earth-size planet to orbit a distant star in the habitable zone. (Photo: NASA Ames/JPL-Caltech/T. Pyle) Illustration of the possible appearance of the planet Kepler-452b, the first near-Earth-size world to be found in the habitable zone of a star similar to our Sun. (Photo: NASA Ames/JPL-Caltech/T. Pyle) -- source link