Mysterious Planet Spotted Beyond Neptune’s Orbit
A team of astronomers has discovered a new, large planet beyond Neptune’s orbit, dubbed 2017 OF201. This minor world measures between 290 and 510 miles (470 and 820 kilometers) in diameter, rivaling the largest asteroid in the belt, Ceres. The object is classified as an extreme trans-Neptunian object, with an orbit that takes it as … Read more