Eris is a dwarf planet comparable in size to Pluto but beyond the Kuiper Belt in a region called the Scattered Disk. It has its own moon named Dysnomia. When discovered it was considered for designation as the tenth planet of the Solar ...See moreEris is a dwarf planet comparable in size to Pluto but beyond the Kuiper Belt in a region called the Scattered Disk. It has its own moon named Dysnomia. When discovered it was considered for designation as the tenth planet of the Solar System but it instead led to the demotion of Pluto to dwarf planet. Written by
David Foss
See less