Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. The moon is a favorite outer space subject for space studies and explorations. This book contains information on the theories of moon formation, its internal structure, external features, and its relationship to Earth. Also included are discussions on man's exploration of the moon such as robotic explorations, Luna 2, Apollo project, other man made objects on the moon, and current and future lunar missions. Project Webster represents a new publishing paradigm, allowing disparate content sources to be curated into cohesive, relevant, and informative books. To date, this content has been curated from Wikipedia articles and images under Creative Commons licensing, although as Project Webster continues to increase in scope and dimension, more licensed and public domain content is being added. We believe books such as this represent a new and exciting lexicon in the sharing of human knowledge.