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
| Credit: NASA / ESA / Michael E. Brown |
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