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Comets

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David Levy brings these &quote,ghostly apparitions&quote, to life. With fascinating scenarios both real and imagined, he s... Weiterlesen
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Beschreibung

David Levy brings these &quote,ghostly apparitions&quote, to life. With fascinating scenarios both real and imagined, he shows how comets have wreaked their special havoc on Earth and other planets. Beginning with ground zero as comets take form, we track the paths their icy, rocky masses take around our universe and investigate the enormous potential that future comets have to directly affect the way we live on this planet and what we might find as we travel to other planets. In this extraordinary volume, David Levy shines his expert light on a subject that has long captivated our imaginations and fears, and demonstrates the need for our continued and rapt attention.

Autorentext

David H. Levy is a contributing editor of Parade magazine and has discovered twenty-one comets, including Comet Shoemaker-Levy 9, which collided with Jupiter. He is the author of nineteen books, including Skywatching, hundreds of articles, and a number of screenplays, all on aspects of astronomy. He lives in Vail, Arizona.



Klappentext

David Levy brings these "ghostly apparitions" to life. With fascinating scenarios both real and imagined, he shows how comets have wreaked their special havoc on Earth and other planets. Beginning with ground zero as comets take form, we track the paths their icy, rocky masses take around our universe and investigate the enormous potential that future comets have to directly affect the way we live on this planet and what we might find as we travel to other planets.
In this extraordinary volume, David Levy shines his expert light on a subject that has long captivated our imaginations and fears, and demonstrates the need for our continued and rapt attention.



Inhalt

CONTENTS

Preface GHOSTLY APPARITIONS IN THE NIGHT 11

One FROM DUST TO DUST 17

Two FOUR BILLION YEARS AGO 37

Three COMETS AND THE ORIGIN OF LIFE 57

Four THREE BILLION YEARS AGO 71

Five SIXTY-FIVE MILLION YEARS AGO 87

Six COMETS ARE DOUBLE-EDGED SWORDS 103

Seven EARTH'S FIRST COLD WAR 115

Eight A TIME FOR COMETS 125

Nine A FIELD OF DREAMS 139

Ten TARGET EARTH 153

Eleven THREE LITTLE WORLDS 173

Twelve PROBING FOR LIFE IN OUR GALAXY 185

Thirteen YES, VIRGINIA, COMETS DO HIT PLANETS 197

Fourteen PRESCRIPTION FOR DOOMSDAY 215

Fifteen AN EPILOGUE 231

NOTES 239

INDEX 245

Produktinformationen

Titel: Comets
Untertitel: Creators and Destroyers
Autor:
EAN: 9781439136898
ISBN: 978-1-4391-3689-8
Digitaler Kopierschutz: Adobe-DRM
Format: E-Book (epub)
Herausgeber: Simon + Schuster Inc.
Genre: Physik, Astronomie
Anzahl Seiten: 256
Veröffentlichung: 20.05.1998
Jahr: 1998
Untertitel: Englisch
Dateigrösse: 4.3 MB
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