A composite image taken by Voyager 2’s narrow-angle camera on Jan. 24, 1986, shows the densely pitted and grooved surface of Uranus’ moon Ariel. Credit: NASA/Jet Propulsion Laboratory ...
Ariel, Uranus’s fourth largest moon, is thought to be made of equal parts rock and ice. A new computer model developed at the University of Texas Institute for Geophysics could be used to detect ...