Building on a long tradition of strong pedagogy and streamlined presentation, The Cosmic Perspective, Fourth Edition Media Update now includes an enhanced media package that features the most advanced astronomy tutorial, assessment, and self-study system ever built. The Fourth Edition Media Update includes MasteringAstronomy, Voyager SkyGazer planetarium software, an updated Astronomy Media Workbook, and an e-book CD-ROM with embedded animations a convenient additional study resource for students on the go - all designed to help professors and students seamlessly incorporate media into their lectures and at-home study. MasteringAstronomys sophisticated analysis of student performance data (including difficulty, time spent, and most common errors) has allowed every item to be systematically refined for quality, educational effectiveness, efficiency of teaching and learning, and assessment accuracy. The Cosmic Lecture Launcher CD-ROM allows professors to integrate animations and interactive tools into classroom lectures, while the Voyager SkyGazer CD-ROM, also included with the text,provides students with the most popular planetarium software to help them learn more about their place in the universe. The Fourth Edition Media Update is a student-friendly text that focuses on central ideas and unifying themes to provide a cosmic context. Renowned for its up-to-date, expert coverage and strong pedagogical support for student learning, the Fourth Edition Media Update retains and builds on all the features and supplements that have helped to make it the #1 most adopted astronomy textbook.Bennett, Jeffrey O. is the author of 'Cosmic Perspective Media Update', published 2006 under ISBN 9780805366471 and ISBN 0805366474.