地球接近天体の科学：落下する前に発見するには Near-Earth Objects : Finding Them before They Find Us

地球接近天体の科学：落下する前に発見するには<br>Near-Earth Objects : Finding Them before They Find Us

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地球接近天体の科学：落下する前に発見するには
Near-Earth Objects : Finding Them before They Find Us

Yeomans, Donald K.

ウェブストア価格 ¥5,198（本体¥4,726）
Princeton University Press（2012/11発売）
外貨定価 US$ 24.95
ポイント 47pt

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製本 Hardcover:ハードカバー版／ページ数 192 p.／サイズ 20 halftones
言語 ENG
商品コード 9780691149295
DDC分類 523.44

基本説明

Introduces readers to the science of near-Earth objects - its history, applications, and ongoing quest to find near-Earth objects before they find us.

Full Description

Of all the natural disasters that could befall us, only an Earth impact by a large comet or asteroid has the potential to end civilization in a single blow. Yet these near-Earth objects also offer tantalizing clues to our solar system's origins, and someday could even serve as stepping-stones for space exploration. In this book, Donald Yeomans introduces readers to the science of near-Earth objects--its history, applications, and ongoing quest to find near-Earth objects before they find us. In its course around the sun, the Earth passes through a veritable shooting gallery of millions of nearby comets and asteroids. One such asteroid is thought to have plunged into our planet sixty-five million years ago, triggering a global catastrophe that killed off the dinosaurs. Yeomans provides an up-to-date and accessible guide for understanding the threats posed by near-Earth objects, and also explains how early collisions with them delivered the ingredients that made life on Earth possible. He shows how later impacts spurred evolution, allowing only the most adaptable species to thrive--in fact, we humans may owe our very existence to objects that struck our planet.
Yeomans takes readers behind the scenes of today's efforts to find, track, and study near-Earth objects. He shows how the same comets and asteroids most likely to collide with us could also be mined for precious natural resources like water and oxygen, and used as watering holes and fueling stations for expeditions to Mars and the outermost reaches of our solar system.

Illustrations vii Preface xi Acknowledgments xiii Chapter 1 Earth's Closest Neighbors 1 Chapter 2 The Solar System's Origin: The Classical View 15 Chapter 3 How and Where Do Near-Earth Objects Form? 29 Chapter 4 Near-Earth Objects as the Enablers and Destroyers of Life 47 Chapter 5 Discovering and Tracking Near-Earth Objects 57 Chapter 6 The Nature of Asteroids and Comets 79 Chapter 7 Nature's Natural Resources and the Human Exploration of Our Solar System 100 Chapter 8 Near-Earth Objects as Threats to Earth 109 Chapter 9 Predicting the Likelihood of an Earth Impact 125 Chapter 10 Deflecting an Earth-Threatening Near-Earth Object 140 References 155 Index of Asteroid and Cometary Objects 159 General Index 161