Using NASA’s Transiting Exoplanet Survey Satellite (TESS), researchers have discovered an Earth-sized planet that lies in its star’s habitable zone. The planet (TOI 700 d) is about 1.2 times the size of Earth and receives from its star 86% of the energy that the Sun provides to Earth and so considered to be in the … Continue reading Earth-sized exoplanet in the habitable zone discovered