Io (Jupiter)
- Slightly larger than the Earth's moon
- One of the Galilean satellites
- Similar in composition to Earth with an iron core
- Very young, volcanic surface with lakes of molten sulphur
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Titan (Saturn)
- The largest of Saturn's satellites, larger than Mercury
- half water ice and half rocky material
- The only moon in the solar system with a significant atmosphere.
Mostly nitrogen. Possibly very similar to the early Earth.
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Miranda (Uranus)
- Named after a character in The Tempest by Shakespeare
- half water ice and half rocky material
- very interesting surface, valleys, canyons, cliffs, possibly caused by
the motion of ice
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Triton (Neptune)
- The largest of Neptune's satellites
- Orbit is retrograde (backwards), suggests that it may have originated
in the Kuiper belt and have been captured by Neptune
- Rotates on a very tilted axis so poles almost face Neptune
- Mostly rocky material and ice. Southern ice cap of frozen nitrogen and
methane.
- Ice volcanoes of liquid nitrogen
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