Comets

Creators and Destroyers
EPUB
(256 Seiten)
  Sofort lieferbar | Lieferzeit:3-5 Tage I
ISBN-13:
9781439136898
Einband:
EPUB
Seiten:
256
Autor:
David H. Levy
eBook Typ:
Adobe Digital Editions
eBook Format:
EPUB
Kopierschutz:
Adobe DRM [Hard-DRM]
Sprache:
Englisch
Beschreibung:

David Levy brings these "e;ghostly apparitions"e; 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.
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.
CONTENTSPreface GHOSTLY APPARITIONS IN THE NIGHT 11One FROM DUST TO DUST 17Two FOUR BILLION YEARS AGO 37Three COMETS AND THE ORIGIN OF LIFE 57Four THREE BILLION YEARS AGO 71Five SIXTY-FIVE MILLION YEARS AGO 87Six COMETS ARE DOUBLE-EDGED SWORDS 103Seven EARTH'S FIRST COLD WAR 115Eight A TIME FOR COMETS 125Nine A FIELD OF DREAMS 139Ten TARGET EARTH 153Eleven THREE LITTLE WORLDS 173Twelve PROBING FOR LIFE IN OUR GALAXY 185Thirteen YES, VIRGINIA, COMETS DO HIT PLANETS 197Fourteen PRESCRIPTION FOR DOOMSDAY 215Fifteen AN EPILOGUE 231NOTES 239INDEX 245
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.

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