View Ganymede Moon Pics. Ganymede is the largest moon around the planet jupiter. Ganymede is roughly three thousand miles across, making it bigger than the planet.
Ganymede is larger than the planet mercury, but contains only half its mass.
The global geography of ganymede is shown in this view obtained from 2.5 million kilometers by voyager 2. Of these, ganymede is the largest, and boasts many fascinating characteristics. The largest moon in the solar system is ganymede, at jupiter. Ganymede is the largest moon in our solar system and the only moon with its own magnetic field.