Ganymede - Ridges, Grooves, Craters and Smooth Areas of Uruk Sulcus Region

Ridges, grooves, craters and relatively smooth areas in the Uruk Sulcus region of Jupiter moon Ganymede are shown in this high-resolution image captured by NASA Galileo spacecraft during its first flyby of Ganymede on June 27, 1996.

http://photojournal.jpl.nasa.gov/catalog/PIA00276