The Space Encyclopedia by Gail Radley Science Encyclopedias Abdo Reference An Imprint of Abdo Publishing abdobooks com
Table of Contents Introduction 4 The Sun 8 The Active Sun 12 Birth and Death of the Sun 16 The Sun and Life 20 Studying the Sun 26 Light Shows 28 Planets 32 Mercury 36 Venus 38 Earth 40 Mars 42 Jupiter 44 Saturn 46 Uranus 48 Neptune 50 Dwarf Planets 52 Exoplanets 56 The Moon 58 What the Moon Is Made Of 60 Birth of the Moon 64 Moon Phases 66 The Moon’s Effects on Earth 70 Space Exploration 78 The Space Race 82 Exploring the Solar System 88 Space Stations 96 Shuttling into Space 102 Space Tourism 108 Asteroids Comets and Meteoroids 112 The Solar System’s Leftovers 114 When Meteorites Land 118 Fear of Falling Objects 122 Famous Asteroids and Comets 126
Stars 132 A Star Is Born 134 Stars of Many Colors 136 Constellations 144 Notable Stars 148 The Universe 172 The Big Bang 174 The Observable Universe 176 Dark Energy and Dark Matter 178 The Multiverse 184 Galaxies 150 The Early Galaxy 152 The Size and Shape of the Milky Way 156 Galaxy Diversity 160 Discovering More Galaxies 164 The Andromeda Collision 168 Galaxy Clusters 170 Conclusion 186 Glossary 188 To Learn More 189 Index 190 Photo Credits 191