This is a list of named geological features on Miranda .... , a moon of Uranus. The cliff has been estimated at 5 kilometers (3 mi) and 20 kilometers (12.4 mi) high, which makes it the tallest known cliff in the solar system
Solar System
The Solar System consists of the Sun and those Astronomical object bound to it by gravity: the eight planets and five dwarf planets, their 173 known Natural satellite, and billions of Small Solar System body.... .
It may have been created by a major impact, which caused the moon to disrupt and reassemble, or by the crust rifting.