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23.1
The Solar System
| Question | Answer |
|---|---|
| What is the nearest planet to the sun? | Mercury |
| What is the most distant planet from the sun? | Pluto |
| Terrestrial planets | Mercury, Venus, Earth, Mars - relatively small and rocky |
| Jovian Planets | Jupiter, Saturn, Uranus, Neptune - huge gas giants |
| What are the differences between the terrestrial and jovial planets? | size, density, chemical make-up, rate of rotation |
| Density of terrestrial planets | average about 5 times the density of water |
| Density of jovial planets | average only 1.5 times the density of water |