+**Umbriel** is a dark, icy moon of [Uranus](/wiki/Uranus), notable for its uniformly dark surface, making it one of the dimmest of the planet's major satellites. Its ancient, heavily cratered terrain, possibly covered in dark [Water Ice](/wiki/Water_Ice) and rock, suggests little geological activity since its formation.
+## See also
+- [Uranian Moons](/wiki/Uranian_Moons)
+- [Celestial Body](/wiki/Celestial_Body)
+- [Solar System](/wiki/Solar_System)
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