Umbriel may be the darkest of Uranus’ biggest moons. It demonstrates only 16 p.c of the light that strikes its floor, a characteristic similar to the highland areas of Earth’s moon. Earth’s oceans, by comparison, only extend down about 11 kilometers (lower than seven miles) at their deepest. While Europa https://best-moons83714.theideasblog.com/35277061/the-2-minute-rule-for-bestmoons