Newly discovered Earth-size planet TOI 700 e orbits within the habitable zone of its star in this illustration. Its Earth-size sibling TOI 700 d can be seen in the distance. | Image: NASA/JPL-Caltech/Robert Hurt
NASA’s planet-hunting telescope, the Transiting Exoplanet Survey Satellite (TESS), has discovered a second Earth-size planet within the habitable zone of a nearby star.
Named TOI 700 e, the planet is one of four known planets orbiting a cool star approximately 100 light-years away. The system was already known to host one planet, called TOI 700 d, in the habitable zone, but recent research that will be published in t...
