!DOCTYPE html> First Global Geologic Map of Ganymede | USGS Astrogeology Science Center

Astrogeology Science Center

First Global Geologic Map of Ganymede

12 February 2014

More than 400 years after its discovery by Galileo, the largest moon in the Solar System – Ganymede – has finally claimed a spot on the map. Read More. . .

Also see the video on the multimedia library page.