Published April 17, 2014 at 500 × 273 in NASA’s Kepler Telescope Discovers First Earth-Size Planet in ‘Habitable Zone’ The artistic concept of Kepler-186f is the result of scientists and artists collaborating to imagine the appearance of these distant worlds. Image credit: NASA Ames/SETI Institute/JPL-Caltech (Visited 9 times, 1 visits today)