This image of Oberon, Uranus' outermost moon, was captured by NASA's Voyager 2 on Jan. 24, 1986. Clearly visible are several large impact craters in Oberon's icy surface surrounded by bright rays.
Uranus - Montage of Uranus' Five Largest Satellites
Montage of Uranus' five largest satellites taken by NASA's Voyager 2.. From to right to left in order of decreasing distance from Uranus are Oberon, Titania, Umbriel, Ariel, and Miranda.
Uranus' outermost and largest moon, Oberon, is seen in this image, obtained by NASA's Voyager 2 on Jan. 22, 1986. Oberon displays several distinct highly reflective (high-albedo) patches with low-albedo centers.