Been explored Uranus through a single trip only belonging to NASA America, is a journey probe Voyager 2, which approached the planet to the nth degree on 24 January 1986, and since then has not been sent any another trip, was not planning to send any probe in Newthe near future, despite the fact that a number of flights have been proposed for the future, but any of them has not been approved yet. The Voyager 2 a number of important discoveries, as picture showed the presence of 10 satellites new were not known before, as well as two additional, as the probe to study the atmosphere cold Uranus and photographing the five largest moons belonging to him, revealing that the nature of its surface covered بالفوهات shock and valleys of the great .