Astronomers Discover Potential Dwarf Planet Lurking Way Beyond Pluto
Astronomers in Japan have spotted a distant object orbiting the Sun far beyond Neptune, pointing to an extraordinary event that took place during the earliest years of the solar system. Astronomers used the Subaru Telescope, perched atop a dormant volcano in Hawaii, to make the discovery. They observed a small object orbiting at a farthest distance of 252 AU from the Sun, in which one astronomical unit equals the average distance between the Sun and Earth. Scientists gave it the formal designat