Cutting-Edge content, including:
• New material on using transits to study extrasolar planets (Chapter 8, Comparative Planetology II: The Origin of Our Solar System)
• Updated discussion of global climate change, including historical data on global temperatures and CO2 concentrations (Chapter 9, The Living Earth)
• New information on the history of Martian water from the Mars
• Exploration Rovers (Chapter 11, Mercury, Venus, and Mars:Earthlike yet Unique)
• Cassini observations of the moons of Saturn (Chapter 13, Jupiter and Saturn’s Satellites of Fire and Ice)
• New discoveries about trans-Neptunian objects (Chapter 15, Vagabonds of the Solar System)
• Updated information about hypernovae and the origin of gamma ray bursts (Chapter 20, Stellar Evolution: The Deaths of Stars)
• Chandra X-Ray Observatory images revealing the presence of supermassive black holes in galaxies (Chapter 24, Galaxies)
• Observations of the infrared background due to the first stars (Chapter 27, Exploring the Early Universe)
Expanded Interactive Tutorials
Developed by prominent astronomy education researchers, the Interactive Tutorials present astronomy topics in a flexible multimedia environment. The sixty tutorial topics were chosen after careful analysis of the most commonly taught subjects, with particular emphasis on which topics were most often misunderstood by students.
New Scientific American Articles
Chosen by the text authors to illuminate core concepts in the text, these brief, relevant selections demonstrate the process of science and discovery. Revealing recent developments related to specific topics in the text, the articles also provide touchstones for classroom discussion.
New Media Options
Universe, Ninth Edition offers a variety of teaching and learning options including Freeman’s AstroPortal, a WebAssign Premium option, a stand-alone eBook available for separate purchase, and a wealth of free media.