View Ganymede Moon Pics. Ganymede was discovered in 1610 by astronomer galileo galilei and is named for the mythical greek son of a king. Larger than mercury and pluto the european space agency plans a mission to jupiter's icy moons that in 2030, is planned to arrive.
Ganymede is also the biggest moon in the solar system.
Ganymede is the largest moon in our solar system and the only moon with its own magnetic field. Nasa announced that it has evidence that jupiter's moon ganymede, the largest moon in our solar i need is the only moon in our solar system which hasn't. It has a diameter of 3,270 miles (5,262 km) which is larger than the planet mercury. Ganymede is the largest moon around the planet jupiter.