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 readers on the go – all designed to seamlessly incorporate media into lectures and at-home study. The Fourth Edition Media Update is a reader-friendly text that focuses on central ideas and unifying themes to provide a cosmic context. Developing Perspective: Our Place in the Universe, Discovering the Universe for Yourself, The Science of Astronomy, Celestial Timekeeping and Navigation. Key Concepts for Astronomy: Making Sense of the Universe: Understanding Motion, Energy, and Gravity, Light and Matter: Reading Messages from the Cosmos, Telescopes: Portals of Discovery. Learning from Other Worlds: Our Planetary System, Formation of the Solar System, Planetary Geology: Earth and the Other Terrestrial Worlds, Planetary Atmospheres: Earth and the Other Terrestrial Worlds, Jovian Planet Systems, Remnants of Rock and Ice: Asteroids, Comets, and the Kuiper Belt , Other Planetary Systems: The New Science of Distant Worlds. A Deeper Look at Nature: Space and Time, Spacetime and Gravity, Building Blocks of the Universe. Stellar Alchemy: Our Star, Surveying the Stars, Star Birth, Star Stuff, The Bizarre Stellar Graveyard. Galaxies and Beyond, Our Galaxy, Galaxies and the Foundation of Modern Cosmology, Galaxy Evolution, Dark Matter, Dark Energy, and the Fate of the Universe, The Beginning of Time. Life on Earth and Beyond: Life in the Universe For all readers interested in astronomy in a cosmic context.