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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Bibliographic Details
Main Author: Plait, Philip C.
Format: Books Print Book
Language:English
Published: New York : Penguin Books, 2009, c2008
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Description
Summary: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?
Item Description:Includes index.
Physical Description:326 p. : ill. ; 20 cm.
ISBN:9780143116042
0143116045
Author Notes:Phil Plait, Ph.D. is a NASA-funded research astronomer with more than ten years of professional experience. He has written astronomy articles for magazines such as Astronomy , Muse , and Space Illustrated , and has been published in the Boston Globe . Plait has appeared on national radio and TV programs, including the Sci-Fi Channel's "Countdown to Doomsday" documentary.