Ganymede
Links
Hubble Finds Ozone on Jupiter's Moon Ganymede
http://oposite.stsci.edu/pubinfo/press-releases/95-36.txt
Press release from the Space Telescope Science Institute.
Solarviews.com: Ganimede
http://www.solarviews.com/eng/ganymede.htm
Statistics, animations and annotated pictures.
The Nine Planets: Ganymede
http://www.nineplanets.org/ganymede.html
Overview with data, text, images, links.
Galileo Project: Images - Ganymede
http://galileo.jpl.nasa.gov/gallery/ganymede.cfm
Collection of photographs from the NASA's Galileo Mission.