The Solar System

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Planetarium Software Options Don’t be forced to use whatever CD comes with your text—select the software that works for you. Cho ...

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About the Authors Mike Seeds has been a Professor of Physics and Astronomy at Franklin and Marshall College in Lancaster, Pennsy ...

7 SEVENTH EDITION Michael A. Seeds Joseph R. Grundy Observatory Franklin and Marshall College Dana E. Backman SOFIA (Stratospher ...

© 2011, 2008, 2007 Brooks/Cole, Cengage Learning ALL RIGHS RESERVED. No part of this work covered by the copyright herein may be ...

Dedication For Emery & Helen Seeds and Edward & Antonette Backman ...

Part 1 Exploring the Sky CHAPTER 1 HERE AND NOW 1 CHAPTER 2 THE SKY 11 CHAPTER 3 CYCLES OF THE MOON 31 CHAPTER 4 THE ORIGIN OF M ...

Part 1: Exploring the Sky ...

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How Do We Know? Chapter 1 |Here and Now 1-1 WHERE ARE YOU? 1-2 WHEN IS NOW? 1-3 WHY STUDY ASTRONOMY? Chapter 2 |The Sky 2-1 T ...

x CONTENTS Part 5: Life Chapter 26 |Astrobiology: Life on Other Worlds 581 26-1 THE NATURE OF LIFE 582 26-2 LIFE IN THE UNIVERSE ...

A Note to the Student From Mike and Dana We are excited that you are taking an as- tronomy course and using our book. You are go ...

xii A NOTE TO THE STUDENT Key Content and Pedagogical Changes to the Eleventh Edition ■ (^) Every chapter has been reviewed and ...

ACKNOWLEDGMENTS xiii Over the years we have had the guidance of a great many people who care about astronomy and teaching. We wo ...

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Visual wavelength image 1 These clouds of gas are so far away that their light takes 7200 years to reach Earth. They are a small ...

2 PART 1^ |^ EXPLORING THE SKY calculations. If you are not already familiar with the metric system, or if you need a review, st ...

CHAPTER 1 | HERE AND NOW 3 Enlarge your fi eld of view by a factor of 100, and you see a region 1,600,000 km wide (■ Figure 1-5) ...

4 PART 1^ |^ EXPLORING THE SKY reaches Earth in only 8 minutes, but it takes over 4 hours to reach Neptune. You can remember the ...