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What are asteroids, comets, and meteors made of? What can scientists do if an asteroid is headed toward Earth? Learn how astronomers prepare for space objects hitting Earth, from tracking them to building asteroid-hunting telescopes. Budding astronomers will learn all about meteors, asteroids, and comets, including the history of asteroids hitting Earth and the differences between space rocks.
Ellen Labrecque is a freelance writer who lives in Pennsylvania with her husband and two kids. She has written over 20 children's books. Previously, she was a Senior Editor at Sports Illustrated Kids Magazine. She loves writing, running, and spending time outside.
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