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The KidHaven Science Library - Killer Asteroids (The KidHaven Science Library)
The KidHaven Science Library Killer Asteroids - The KidHaven Science Library Author:Peggy J. Parks Earth is constantly bombarded by debris from space. Tons of ice fragments, dust, and meteorites fall from the sky every day, but most of the debris burns up in the atmosphere before it can cause any harm. Large asteroids are much less common -- but they are a deadly threat if they reach the ground. This book explains what asteroids are, how they... more » form, and damage they have caused in the past -- including the scientific belief that a massive asteroid killed off the dinosaurs. (20020601)« less