What do humans need to survive? Are these things available on any other planet? Readers explore our solar system and help search for new planets we could inhabit in this high-interest, informative book. Readers will learn about space exploration and what we need to survive in space, and discover if there are any other types of life on faraway planets. Simple diagrams help explain the text, while hands-on science projects let readers create their own exciting experiments for an insightful yet fun reading experience. Detailed Table of Contents, Fact Boxes, For Further Information Section, Glossary, Index, Sidebars, Web Sites.