TESS Finds First Earth-Size Planet in the Habitable Zone Posted on January 7, 2020 by Frank Cisco TOI 700 d is the first Earth-size habitable-zone planet discovered by TESS, NASA’s Transiting Exoplanet Survey Satellite. via NASA https://ift.tt/2N4R2Rl Share this: Share on X (Opens in new window) X Share on Facebook (Opens in new window) Facebook Like Loading... Related