Impact!

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Oxford University Press, USA, 1996 - Electronic books - 502 pages
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Most scientists now agree that some sixty-five million years ago, an immense comet slammed into the Yucatan, detonating a blast twenty million times more powerful than the largest hydrogen bomb, punching a hole ten miles deep in the earth. Trillions of tons of rock were vaporized and launched into the atmosphere. For a thousand miles in all directions, vegetation burst into flames. There were tremendous blast waves, searing winds, showers of molten matter from the sky, earthquakes, and a terrible darkness that cut out sunlight for a year, enveloping the planet in freezing cold. Thousands of sp.
 

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Impact!: the threat of comets and asteroids

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Earth may not need a plan to counter an alien invasion, but its inhabitants would be wise to determine the extent of a more likely threat from outer space: the untold numbers of comets and asteroids ... Read full review

Contents

The Killer Strikes
11
The Saga of the Chicxulub Crater
17
Solar System Debris
32
Something about Comets
50
The Birth of the Earth
64
The NineteenthCentury Perspective
75
TwentiethCentury Rumblings
87
Comet Impacts in History
95
Craters and Tsunamis
140
Offering Odds on Impact
156
The Great Comet Crash of 1994
169
The Aftermath
182
The Search
191
Dodging the Asteroids?
204
Our Place in Space
212
Bibliography
223

On the Edge of Extinction
108
Reconstructing the Crime
120
Death Star or Coherent Catastrophism?
128

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