Tiny Alien Planet Discovered By NASA TESS Mission

A planet, named L 98-59b, that is smaller than Earth but bigger than Mercury was discovered orbiting nearby star L 98-59 using NASA’s Transiting Exoplanet Survey Satellite (TESS). It's the smallest planet discovered using TESS to date. -- Learn more: https://www.space.com/nasa-tess-discovers-tiny-alien-planet.html

Credit: NASA’s Goddard Space Flight Center