The Cosmic Perspective , Third Edition Media Update builds on the textbook's long tradition of strong pedagogy and streamlined presentation, while offering a new updated media package that makes it even easier for instructors to use powerful interactive resources in classroom presentations and as part of the grade.Renowned for its up-to-date and expert coverage, this student-friendly text focuses on central ideas and unifying themes to provide a cosmic context. Chapter openers and end-of-chapter summaries expertly steer students through key concepts, helping them stay focused on the core learning goals. The comprehensive media package has been expanded to help students and professors seamlessly integrate the text's superior media into their classroom presentations, homework, and test review. New interactive figures for each chapter help students visualize complex astronomical concepts and an expanded Cosmic Lecture Launcher CD-ROM features even more material for instructors to incorporate into their lectures. A new Electronic Textbook CD-ROM allows students to access their books electronically - the perfect feature for when students are on the go.