Have you ever wondered what comets are made of or how a star becomes a black hole? Smithsonian Kids: Space Explorer Guide Book & Projector answers these questions and so many more with tons of incredible space facts on every page. Thanks to curators at Smithsonian's National Air and Space Museum, who provided their expertise in choosing the content, kids will learn about galaxies, planets, stars, comets, constellations, and everything that makes up our universe. And while they read the fascinating space facts, kids will be prompted to project corresponding images on their walls to transform the space into their very own planetarium. With 20 images of our solar system and beyond, this book is perfect for kids looking for an interactive space adventure!