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基本説明
New in paperback. Hardcover was published in 2001.
Full Description
In the ten years preceding publication, the known solar system more than doubled in size. For the first time in almost two centuries an entirely new population of planetary objects was found. This 'Kuiper Belt' of minor planets beyond Neptune revolutionised our understanding of the solar system's formation and finally explained the origin of the enigmatic outer planet Pluto. This is the fascinating story of how theoretical physicists decided that there must be a population of unknown bodies beyond Neptune and how a small band of astronomers set out to find them. What they discovered was a family of ancient planetesimals whose orbits and physical properties were far more complicated than anyone expected. We follow the story of this discovery, and see how astronomers, theoretical physicists and one incredibly dedicated amateur observer came together to explore the frozen boundary of the solar system.
Contents
Prologue; 1. Towards the edge of the solar system; 2. The centaurs; 3. The mystery of the short period comets; 4. Shooting in the dark; 5. Deeper and deeper; 6. Sorting out the dynamics; 7. What are little planets made of?; 8. Numbers and sizes; 9. Things that go bump in the dark; 10. Dust and disks; 11. Where do we go from here?; 12. Will we ever get our names right?; Appendix; Index.
