Gravity

Gravity — page 3 — Published by Creative Education P O Box 227 Mankato Minnesota 56002 Creative Education is an imprint of The Creative Company www thecreativecompany us Design and production by Blue Design Art direction by Rita Marshall Printed in the United States of America Photographs by European Space Agency Getty Images AFP Central Press Norman Cooper Hulton Archive Polish School SSPL Universal History Archive Visuals Unlimited Inc Carol Mike Werner iStockphoto Warwick Lister-Kaye Rafael Ramirez Lee Alexey Shchepetilnikov Tony Tremblay NASA NASA NASA CXC MIT C Canizares M Nowak NASA STScl NASA ESA Hubble Heritage Team NASA ESA K Sharon Tel Aviv University E Ofek Caltech NASA JPL NASA JPL Space Science Institute NASA Paul Riedel Al Lukas Cover and folio illustration 2011 Alex Ryan Copyright 2013 Creative Education International copyright reserved in all countries No part of this book may be reproduced in any form without written permission from the publisher Library of Congress Cataloging-in-Publication Data Whiting Jim Gravity by Jim Whiting p cm Mysteries of the universe Includes bibliographical references and index Summary An examination of the science behind the physical phenomenon known as gravity including relevant theories and history-making discoveries as well as topics of current and future research ISBN 978-1-60818-189-6 hard cover ISBN 978-1-56660-139-9 eBook 1 Gravity Juvenile literature I Title QC178 W46 2012 531 14 dc23 2011040142 First Edition 987654321

Gravity — page 4

Gravity — page 5 — The sport of weightlifting depends upon gravity

Gravity — page 6 — TABLE OF CONTENTS INTRODUCTION 9 CHAPTERS GOING UP AND COMING DOWN 10 THE FORCE THAT’S WITH US 17 FROM HELIOCENTRISM TO BLACK HOLES 29 LOOKING DEEP INTO GRAVITY 37 GRAVITATIONAL ASIDES GIRAFFES IN SPACE 21 FLY ME TO THE MOON 27 RIDING HERD ON A SATELLITE 41 SECRETS OF WEIGHTLESSNESS 44 ENDNOTES 46 WEB SITES 47 SELECTED BIBLIOGRAPHY 47 INDEX 48

5

PAGE 5 OF 47

›

The only kids' eBook subscription service that offers thousands of high-quality books from well known publishers like HarperCollins, National Geographic and others.

JavaScript Required

Whoops! We're sorry but Epic doesn't work properly without JavaScript enabled. Check your web browser's settings to make sure it's enabled.