Neptune has 14 known as moons at present. Most are just irregulary shaped lumps of rock, but one (called "Triton") is large and spherical, bigger than the dwarf planets Ceres, Pluto and/or MakeMake but orbits Neptune backwards (retrograde). Another minor moon, dubbed "Proteus" is almost spherical.
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http://dbkwik.webdatacommons.org | 42 |