The Solar System
| Mercury
| Venus
| Earth
| Mars
| Ceres
| Jupiter
Saturn
| Chiron
| Uranus
| Neptune
| Pluto
The Kuiper Belt and the Oort Cloud
| Quaoar
| Eris
| Sedna
Neptune is the eighth planet from the Sun . It is a gas giant like Uranus , Saturn and Jupiter , and is very similar to Uranus - they are around the same size and the same colour - and they're sometimes described as twins. However there are differences; Neptune's axial tilt is normal, and it has an internal heat source.
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