First Earth-Size Exoplanet in the Habitable Zone discovered

NASA’s Transiting Exoplanet Survey Satellite (TESS) finds first Earth-size exoplanet in the Habitable Zone.

In a distance of 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

Editor: Yvette Smith