"The northern lights, which are also called the aurora borealis, are an atmospheric display that occurs in the Northern Hemisphere. For centuries, people have watched auroras with wonder. Today, we know that auroras form because of charged particles fromthe sun. In this book, readers will learn how auroras form, why auroras are different colors, and more. Stunning photographs, fun fact boxes, and helpful diagrams assist readers' comprehension of this fascinating atmospheric phenomenon"--
