J C Le Danff on Twitter: "@fcain Kepler-186f & Kepler-62f: Earth-sized planets outside the #SolarSystem orbiting a star in the habitable zone, 👩🏽🎓w/ stable axial tilt like the #Earth . Both are
Kepler-186 f
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Infographic: Planet Kepler-186f, trailblazer – Exoplanet Exploration: Planets Beyond our Solar System
Kepler-186f: Earth-size planet in the habitable zone.