Overview


Cosmic collisions have forever shaped the planets in our solar system, sculpting Earth and our Moon. They are still happening right in our neighborhood, as we saw in July 1994 when comet fragments bombarded the surface of Jupiter. What if a collision of that magnitude were to occur on Earth? Would the effect be anywhere near that of the collision that wiped out the dinosaurs 65 million years ago? Scientists have just begun to track distant asteroids and comets that may pose a threat to Earth in years to come. ...
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Cosmic Collisions

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Overview


Cosmic collisions have forever shaped the planets in our solar system, sculpting Earth and our Moon. They are still happening right in our neighborhood, as we saw in July 1994 when comet fragments bombarded the surface of Jupiter. What if a collision of that magnitude were to occur on Earth? Would the effect be anywhere near that of the collision that wiped out the dinosaurs 65 million years ago? Scientists have just begun to track distant asteroids and comets that may pose a threat to Earth in years to come.  Scientific American Hocus: Cosmic Collisions traces the history of cosmic collisions and proposes various solutions to what many view as our impending doom, answering these questions and more: -How often does Earth experience a cosmic collision?-Did a massive collision kill off the dinosaurs?-How do scientists track and predict collisions?-What did we learn from the Jupiter collision of 1994?-How real is the threat of a collision in our future?-How can we defend our planet? 

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Editorial Reviews

Booknews
An encyclopedia encompassing a variety of natural science subjects relating to the understanding of weather and climate including the technology and policy discussions which have become part of contemporary environmental and political debates impacting forestry, aviation, famine relief, and pollution. Each entry is a short essay written by one of the over 200 distinguished contributing scholars; entries are cross-referenced and are written at different levels of technicality, making the reference suitable for scientists and non- scientists alike. Annotation c. Book News, Inc., Portland, OR (booknews.com)
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Product Details

  • ISBN-13: 9781466862838
  • Publisher: Holt, Henry & Company, Inc.
  • Publication date: 1/14/2014
  • Sold by: Macmillan
  • Format: eBook
  • Pages: 128
  • Sales rank: 545,994
  • File size: 9 MB

Meet the Author


Dana Desonie, Ph.D., a full-time science writer, was previously a research scientist in geochemistry at Columbia University's Lamon-Doherty Earth Observatory. She makes her home in New York City.  David H. Levy, Eugene Shoemaker, and Carolyn Shoemaker are internationally renowned comet scientists. The Shoemakers hold world records for the discovery of new comets and, together with Dr. Levy, discovered comet Shoemaker-Levy 9, which collided with Jupiter in 1994.
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Table of Contents

Foreword 6
Ch. 1 Earth's History of Cosmic Collisions 10
Ch. 2 Earth's Infancy 14
Ch. 3 Early Earth and Moon 24
Ch. 4 Identified Flying Objects: Asteroids and Comets 34
Ch. 5 Meteorites - They Strike Planets, Don't They? 46
Ch. 6 Earth's Ancient Wounds 56
Ch. 7 Demise of the Dinosaurs 66
Ch. 8 Out with the Old World, In with the New 80
Ch. 9 Twentieth-Century Hits 88
Ch. 10 Future Shock 96
Ch. 11 Identifying Flying Objects 106
Ch. 12 Defensive Maneuvers 114
Ch. 13 The End? 120
Photo Credits 124
Index and Further Reading 126
Acknowledgments 128
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