LITTLE KNOWN FACTS ABOUT BESTMOONS.

Umbriel is definitely the darkest of Uranus’ major moons. It demonstrates only 16 percent of The sunshine that strikes its floor, a aspect just like the highland areas of Earth’s moon.One of only two Martian moons, Phobos has actually been called not more than a tiny rock. NASA also notes that Phobos is on the collision study course with Mars.