"Since 1992, astronomers have been discovering exoplanets at an astonishing rate. As of 2022, more than 5,000 have been identified. This has sparked humanitys collective imagination. Could any of those planets be hospitable to human life? What characteristics would these planets require if this were to become a reality? Is terraforming a viable option? This volume examines these questions and more, with informative fact boxes and enlightening graphic organizers to help illuminate complex scientific topics for young students. A glossary of new terms expands readers vocabulary, and a list of relevant books and websites enables further research"--.