Gravity: Investigating the Force, Mass, and Attraction of Physical Bodies

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The Rosen Publishing Group, Inc, Jul 15, 2012 - Juvenile Nonfiction - 48 pages
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Gravity is everywhere. It is the force that keeps the earth orbiting around the sun. Yet, it has always been one of the most mysterious forces throughout human history. This book explores some of the scientists responsible for what we know about gravity and how this knowledge has impacted modern society.
 

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Contents

Introduction
4
Early Observations
6
The Scientific Method
10
Great Controversies
16
Gravity is Explained
22
Einsteins Revelations
26
The Big Bang and an Expanding Universe
30
Future Prospects
34
Activity
38
Timeline
40
Key People
44
Glossary
46
For More Information
47
Index
48
Back Cover
49
Copyright

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