This illustration depicts Kepler-186f, the first validated Earth-size planet to orbit a distant star in the habitable zone. (NASA Ames/JPL-Caltech/T. Pyle)
Home This illustration depicts Kepler-186f, the first validated Earth-size planet to orbit a distant star in the habitable zone. (NASA Ames/JPL-Caltech/T. Pyle) This illustration depicts Kepler-186f, the first validated Earth-size planet to orbit a distant star in the habitable zone. (NASA Ames/JPL-Caltech/T. Pyle)