AS101 Study Guide - Final Guide: Retrograde And Prograde Motion
Document Summary
Uranus" moons are small and numerous, most being named after sprites and spirits in. Ariel, umbriel, titania and oberon and are likely composed of ice and rock. The moon proteus, shown at right, is the only mid-sized moon of. Miranda is heavily cratered but is unlike any other moon seen to date with its ridges, cliffs and valleys and tortured face. As of june 2014 there are 27 known moons of uranus. Until the visit of voyager 2 (1989) only two moons were known (triton, the largest, and nereid), now there are 13 in total all named for mythological beings related to bodies of water. Triton has a retrograde orbit inclined at 20 to neptune"s equatorial plane with a high eccentricity and about half the mass of europa and is likely a captured satellite (moon), although a very large one. It has a surface temperature of 37 k (that"s cold!) and a surface of water ice that is fairly reflective.
