Completely current with the newest developments from the field, FOUNDATIONS OF ASTRONOMY, 11e helps readers use astronomy to understand science--and use science to understand what we are. Fascinating and engaging, this text helps you answer two fundamental questions: What are we? And how do we know? This edition addresses the latest discoveries in the exciting study of astronomy, including information to emphasize observations over the entire electromagnetic spectrum; new data on star formation and stellar structure; new insight on global warming and ozone depletion; updated information on the Kuiper belt and dwarf planets; and much more.