For one-semester Introduction to Astronomy courses. With Astronomy: A Beginner's Guide, Seventh Edition, the briefer version of their two seminal textbooks, trusted authors Eric Chaisson and Steve McMillan continue to emphasize three major themes: the process of science, the size and scale of the universe, and the evolution of the cosmos. In the Seventh Edition, Chaisson and McMillan ignite your interest with increased coverage of the most exciting, current discoveries in astronomy and create a bridge to scientific understanding with student-friendly art and better learning tools.