The Earth is a fascinating place of unbelievable wonder--and it's the only home we've ever known. But our planet is just a small part of our universe, which is home to many other planets and moons and billions of stars. There's much to learn about our place in this enormous system--and this book will teach you everything you want to know! * How far apart are the planets? How long is a light year? How many stars are in the Milky Way? Everything You Need to Know About the Universe answers these questions and many more. You'll never visit Mars or Jupiter, but you'll learn which is larger. * You'll never visit the Andromeda Galaxy, but you'll learn how long it would take for it to collide with the Milky Way. * Maps, charts, and illustrations in full color bring the entire universe to life. Everything You Need to Know About the Universe is the perfect reference for anyone who wants to know more about our place in the massive, marvelous solar system.