Portal:Astronomy/Picture/59

Eris (minor planet designation 136199 Eris) is the most massive and second-largest known dwarf planet in the Solar System. Image of Eris (center) and Dysnomia (left of center), taken by the Hubble Space Telescope
Eris (minor planet designation 136199 Eris) is the most massive and second-largest known dwarf planet in the Solar System. Image of Eris (center) and Dysnomia (left of center), taken by the Hubble Space Telescope