目录 Looking Up Illustrations #1 Northen Circumpolar Constellations #2 Ursa Major #3 M3I & Perseus #4 Summer Triangle #5 Taurus #6 Orion #7 Sagittarius #8 Centaurus and Crux, The Southern Cross #9 Southern Circumpolar Constellations About the Authors Preface Approach New to the Fifth Edition Features of this Book For the Instructor Acknowledgements PART 1 THE COSMIC LANDSCAPE Unit 1 Our Planetary Neighborhood 1.1 Earth 1.2 The Moon 1.3 The Planets 1.4 The Sun 1.5 The Solar System 1.6 The Astronomical Unit Unit 2 Beyond the Solar System 2.1 Stellar Evolution 2.2 The Light-Year 2.3 The Milky Way Galaxy 2.4 Galaxy Clusters and Beyond 2.5 The Still-Unknown Universe Unit 3 Astronomical Numbers 3.1 The Metric System 3.2 Scientific Notation 3.3 Special Units 3.4 Approximation Unit 4 Scientific Foundations of Astronomy 4.1 The Scientific Method 4.2 The Nature of Matter 4.3 The Four Fundamental Forces 4.4 The Elementary Particles Unit 5 The Night Sky 5.1 The Celestial Sphere 5.2 Constellations 5.3 Daily Motion 5.4 Latitude and Longitude 5.5 Celestial Coordinates Unit 6 The year 6.1 Annual motion of the sun 6.2 The Ecliptic and the Zodiac
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