Planets Stars And Galaxies

Cordon Ritter

Series Editor David C. Haase



An imprint of Infobase Publishing planets, stars, and galaxies

Copyright © 2008 by Infobase Publishing

All rights reserved. No part of this book may be reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying, recording, or by any information storage or retrieval systems, without permission in writing from the publisher. For information contact:

Chelsea House

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Library of Congress Cataloging-in-Publication Data

Ritter, Gordon. Planets, stars, and galaxies / Gordon Ritter.

p. cm. — (Physics in action) Includes bibliographical references and index. ISBN-13: 978-0-7910-8933-0 (hardcover) ISBN-10: 0-7910-8933-9 (hardcover) 1. Astrophysics. 2. Cosmology. I. Title. QB461.R48 2007 523.1—dc22


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Introduction 7

1 The Universe (and Welcome to It!) 11

2 The Mathematics of Motion 24

3 Newton, Kepler, and Gravity 40

4 Observing the Night Sky 58

5 Relativity and Black Holes 73

6 The Large-scale Structure of the Universe 90

Glossary 102

Bibliography 109

Further Reading 111

Index 113

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