Umbriel is definitely the darkest of Uranus’ largest moons. It demonstrates only 16 % of the light that strikes its floor, a aspect just like the highland regions of Earth’s moon. Rhea is the second major moon of Saturn. Rhea has a skinny environment―known as an exosphere―and it is the https://emilianouyyxx.p2blogs.com/33609051/the-smart-trick-of-bestmoons-that-nobody-is-discussing