TABLE OF CONTENTS CHAPTER 1 Lights in the Sky 5 CHAPTER 2 Colorful Collisions 11 CHAPTER 3 Studying the Sky 17 CHAPTER 4 Solar Storms 23 THAT'S AMAZING Energy from the Sun 28 Focus on Northern Lights 30 Glossary 31 To Learn More 32 Index 32
CHAPTER 1 LIGHTS IN THE SKY It is a cold winter night Stars shine in the clear sky Suddenly lights flash overhead Greens blues and pinks appear high above the trees Waves of color ripple and glow This amazing display is the northern lights The northern lights are caused by charged particles that come from the sun The northern lights are also called the aurora borealis 5
