Dysnomia is the sole known moon of the dwarf planet Eris, discovered in 2005. Named for the Greek daemon of lawlessness, its orbit helped astronomers determine Eris's mass and refine understanding of outer solar system bodies.
Dysnomia is the sole known moon of the dwarf planet Eris, discovered in 2005. Named for the Greek daemon of lawlessness, its orbit helped astronomers determine Eris's mass and refine understanding of outer solar system bodies.
