Preface |
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ix | |
1. Our planetary system |
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1.1 Diversity in the Solar System |
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1 | |
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1.2 General trends in the properties of the planets |
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9 | |
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1.3 Why are planets round? |
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12 | |
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1.4 When is a planet not a planet? |
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2. Other planetary systems |
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2.1 The discovery of exoplanets |
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2.2 The implications of the existence of other planetary systems |
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29 | |
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2.3 The future for exoplanet research |
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Further Reading and Web Sites |
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37 | |
3. The surfaces of the planets |
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3.2 Geological structures |
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3.5 A tourist's guide to Mars |
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3.6 Recent research on Mars |
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64 | |
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Further Reading and Web Sites |
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4. The interiors of the planets |
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4.1 What we do and don't know about planetary interiors |
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4.2 Mercury, Venus, Mars, Saturn, Uranus and Neptune |
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4.3 Why we know so much about the Earth |
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4.4 Why is the surface of the Earth such an interesting place? |
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5. The atmospheres of the planets |
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5.1 The atmosphere of the Earth |
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93 | |
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5.3 The weather on the Earth and elsewhere |
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5.4 The origin and evolution of planetary atmospheres |
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102 | |
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Further Reading and Web Sites |
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6. The dynamics of planetary systems |
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6.1 Laws of planetary motion |
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6.2 Stable and unstable orbits |
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7. The small objects in planetary systems |
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7.1 The evidence of the meteorites |
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7.5 The Edgeworth-Kuiper belt |
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139 | |
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Further Reading and Web Sites |
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139 | |
8. The origin of planetary systems |
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141 | |
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8.2 The protoplanetary disc |
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8.3 From dust to planetesimals |
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8.4 From planetesimals to planetary embryos |
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8.5 From planetary embryos to planets |
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8.6 Collisions, the Oort Cloud and planetary migration |
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9. Life in planetary systems |
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9.1 A short history of life on Earth |
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9.2 The evolution of the Solar System as a habitat |
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9.3 The possibility of life elsewhere |
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171 | |
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Further Reading and Web Sites |
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171 | |
Answers |
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173 | |
Appendix A |
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175 | |
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A.1 The epoch of planetary exploration |
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175 | |
Appendix B |
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179 | |
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B.1 Derivation of Kepler's first and second laws |
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179 | |
Index |
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183 | |