Routes of Science: Gravity - P
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Book Overview
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 beliefs about the universe to modern-day research into black holes.
Format:Paperback
Language:English
ISBN:1410302989
ISBN13:9781410302984
Release Date:July 2004
Publisher:Blackbirch Press
Length:40 Pages
Weight:0.37 lbs.
Dimensions:0.1" x 8.0" x 10.0"
Age Range:8 to 12 years
Grade Range:Grades 3 to 7
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