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基本説明
A step-by-step guide, ideal for beginners as well as seasoned sky-watchers.
Full Description
Meteors occur when a meteoroid, a speck of dust in space, enters the Earth's atmosphere. The heat generated when this happens causes the surrounding air to glow, resulting in 'shooting stars'. During the most spectacular meteor storms larger particles give rise to fireballs and firework-like displays! Meteors are a delightful observing field - they do not require a telescope, and they can be seen on any clear night of the year, even in bright twilight. It was the sight of a single meteor that inspired David Levy to go into astronomy, and in this book he encourages readers to go outside and witness these wonderful events for themselves. This book is a step-by-step guide to observing meteors and meteor showers. Any necessary science is explained simply and in clearly understandable terms. This is a perfect introduction to observing meteors, and is ideal for both seasoned and budding astronomers.
Contents
Preface; 1. July 4, 1956; 2. What is a meteor?; 3. Some historical notes; 4. Small rocks and dust in space; 5. Observing meteors; 6. Recording meteors; 7. Quadrantids; 8. Lyrids; 9. The Eta Aquarids; 10. The Omicron Draconids; 11. Delta Aquarids; 12. Perseids; 13. The Gamma Pavonids; 14. Orionids; 15. Taurids; 16. Leonids; 17. Geminids; 18. Ursids; 19. Meteor showers throughout the year; Appendix.
