Umbriel is the darkest of Uranus’ major moons. It displays only sixteen per cent of the light that strikes its floor, a characteristic similar to the highland parts of Earth’s moon. Kerberos was found in 2011, and Styx was found in 2012, both equally by Hubble Area Telescope. These four https://best-moons83715.blogsuperapp.com/35346954/little-known-facts-about-bestmoons