Contact: Barbara K. Kennedy
Caption: This artist's concept depicts Kepler-186f, the first validated Earth-size planet to orbit a distant star in the habitable zone where liquid water might pool on the planet's surface. The discovery of Kepler-186f confirms that Earth-size planets exist in the habitable zones of other stars and signals a significant step closer to finding a world similar to Earth. This image of Kepler-186f is the result of scientists and artists collaborating to imagine the appearance of these distant worlds.
Credit: NASA Ames/SETI Institute/JPL-Caltech
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Related news release: First Earth-size planet is discovered in another star's habitable zone