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Language: en
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Pages: 124
Type: BOOK - Published: 2004-01-01 - Publisher: Twenty-First Century Books
Describes the role that collisions with meteors, comets, and asteroids have played in the history of Earth and other planets in the solar system and examines wh
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Language: en
Pages: 124
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Type: BOOK - Published: 2011-10-01 - Publisher: Twenty-First Century Books
Introduces end of the world scenarios, including self-destruction through nuclear war or continued environmental exploitation, humanity wiped out by a pandemic,
Language: en
Pages: 68
Pages: 68
Type: BOOK - Published: 2008-01-01 - Publisher: Lerner Publications
Imagine watching a space shuttle on the launchpad, ready to blast off into orbit. Astronauts have embarked on some of the most amazing adventures and made incre