1 moon they know of
Eris has one known moon called Dysnomia.
Dysnomia is the only known moon of Eris
3 I think.
The Kuiper Belt dwarf planet Eris has one known moon, named Dysnomia.
Yes it is called Dysnomia.
Yes. Eris has one known moon called Dysnomia.
Ceres: No moons Pluto: 3 moons (Nix, Hydra, and Charon) Haumea: 2 moons (Hi'ika and Namaka) Makemake: No moons Eris: 1 moon (Dysncmia)
Pluto ... which I think was the first member of the newly-defined "dwarf planet" category ... has two known moons.
Some known moons of Kuiper Belt Objects include Charon (moon of Pluto), Styx, Nix, Kerberos, and Hydra (moons of Pluto), as well as Dysnomia (moon of Eris) and Hi'iaka and Namaka (moons of Haumea).
Eris is too cold for liquid water, though it does have a significant amount of ice.
Yes, and they do. Not all of them have confirmed moons but some do. Pluto, for example, has four known moons.
Mercury and Venus do not have any moons. Ceres, Pluto, Haumea, Makemake and Eris are the Dwarf Planets. From the Sun, moving outwards: Mercury 0 Venus 0 Earth 1 Mars 2 Ceres 0 Jupiter 63 Saturn 62 Uranus 27 Neptune 13 Pluto 4 Haumea 2 Makemake 0 Eris 1