Brightest moon visible from Earth
Has a salty ocean beneath its surface
Largest moon in the solar system
Is expected to crash into its planet someday
Has the most heavily cratered surface
Shoots water geysers from its south pole
Is known for colorful lava flows
Has lakes of liquid methane
Orbits very close to Mars
Coldest large moon in the solar system
Has its own magnetic field
Has a thick nitrogen atmosphere
Has active sulfur volcanoes
Has a cracked icy surface
Has the oldest surface among Galilean moons
Largest moon relative to its planet
Supplies material to Saturn’s E-ring
1. The Moon
2. Phobos
3. Io
4. Europa
5. Ganymede
6. Callisto
7. Enceladus
8. Titan
9. Triton
10. Charon
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