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Astronomy
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Rogue Asteroids and Doomsday Comets: The Search for the Million Megaton Menace That Threatens Life on Earth by Duncan Steel Publisher Comments Could a giant asteroid or comet crash into Earth and destroy life as we know it? Many astronomers who once discredited the risks are now convinced. You will be too after reading Duncan Steel's critically acclaimed examination of the evidence of Earth's... (read more) List Price $19.95 Your price: $3.48 Used - Trade Paper 
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Impact!: The Threat of Comets and Asteroids by Gerrit L Verschuur Publisher Comments 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... (read more) List Price $30.00 Your price: $8.95 Used - Hardcover
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Supernova :the violent death of a star by Donald Goldsmith Publisher Comments Nearly 160,000 years ago, a star in the Large Magellanic Cloud (a galaxy close to our own Milky Way) erupted in a majestic, violent death. Traveling at the speed of light, the radiation from this explosion reached Earth on February 23, 1987. The... (read more) List Price $9.95 Your price: $5.95 Used - Trade Paper
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Comet Hale-Bopp Book, Guide to an Awe-Inspiring Visitor from Deep Space by Thomas Hockey Publisher Comments A fascinating introduction to the recently discovered Comet Hale-Bopp that will soon burst onto the celestial scene. The comet will be one of the most-studied and perhaps brightest. It arrives on the heels of other recent comets in the "year of the comet"... (read more) Your price: $0.95 Used - Trade Paper
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Comet by Carl Sagan Description Includes bibliographical references (p. 379-384) and indexes.... (read more) Your price: $1.98 Used - Trade Paper
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Halley & His Comet by Peter Lancaster Brown List Price $9.95 Your price: $3.98 Used - Hardcover
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