Ganymede
Ganymede is a big moon that orbits the planet Jupiter. It is the largest moon in the Solar System and has a bright, icy surface.
A few interesting things
- Ganymede is the largest moon in the Solar System — bigger than the planet Mercury.
- It has its own magnetic field, which is rare for a moon.
- Scientists think there may be a deep ocean hidden under its icy crust.
A few details
- Diameter: 5,268 km
- Distance from planet: 1,070,400 km
- Orbit length: 7 days