Jan. 7, 2020
In a galaxy 100 light-years away in the constellation Dorado sits a planetary system named TOI 700. It is home to TOI 700 d, the first Earth-size habitable-zone planet discovered by TESS, NASA’s Transiting Exoplanet Survey Satellite.
Image Credit: NASA/Goddard Space Flight Center
Last Updated: Jan. 7, 2020
Editor: Yvette Smith