Walter Alvarez

Sixty-five million years ago, a comet or asteroid larger than Mount Everest slammed into the Earth, inducing an explosion equivalent to the detonation of a hundred million hydrogen bombs. Vaporized de

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• Series: Princeton Science Library #39
• Author: Alvarez, Walter
• Binding: Paperback
• Page Count: 208
• Publish Date: September 15 2015
• ISBN10: 0691169667
• Language: English