An artist’s concept of the dwarf planet Eris and its moon Dysnomia is seen in this undated illustration released by NASA. The sun is the small star in the distance. NASA/JPL-Caltech/Handout via REUTERS
An artist’s concept of the dwarf planet Eris and its moon Dysnomia is seen in this undated illustration released by NASA. The sun is the small star in the distance. NASA/JPL-Caltech/Handout via REUTERS