Umbriel will be the darkest of Uranus’ premier moons. It demonstrates only 16 percent of the light that strikes its floor, a attribute much like the highland regions of Earth’s moon. Among only two Martian moons, Phobos has been referred to as not more than a tiny rock. NASA also https://best-moons27159.ttblogs.com/14427394/not-known-details-about-best-moons