Death from the skies! the science behind the end of the world--
It's only a matter of time before a cosmic disaster spells the end of the Earth. But how concerned should we be about any of these catastrophic scenarios? And if they do pose a danger, can anything be done to stop them?
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| Main Author: | |
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| Format: | Books Print Book |
| Language: | English |
| Published: |
New York :
Penguin Books,
2009, c2008
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