This new resource introduces students and researchers to the fundamentals of astronomy. Entries are written in easy-to-understand language, so readers can use these entries as a solid starting-off point to develop a thorough understanding of this oftentimes confusing subject matter. Entries are arranged into easy-to-use subject areas. Salem Press' Principles of Science: Astronomy covers: Celestial Bodies -- Stars & Constellations -- Space Missions -- Space Technology -- Theoretical Astrophysics. This new resource is a helpful tool for students and researchers who are just beginning their study of astronomy and need a solid background of the key terms and elements in the field. A must for all high school and undergraduate science programs. -- Amazon.com