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Gravity (Routes of Science)
Gravity - Routes of Science
Author: Chris Woodford
Despite gravity's importance, people have started to understand it only in the last three hundred years or so. Before the seventeenth century, astronomers had little idea what kept the planets in orbit and no idea that it was the same force that made objects fall to Earth. This book traces the history of discoveries about gravity from ancient be...  more »
ISBN-13: 9781410302984
ISBN-10: 1410302989
Pages: 40
Reading Level: Ages 9-12
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Publisher: Blackbirch Press
Book Type: Paperback
Members Wishing: 0
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