Cutting-Edge Content, including:
• Updated information about hypernovae and the origin of gamma ray bursts (Stellar Evolution: The Deaths of Stars)
• Chandra X-Ray Observatory images revealing the presence of supermassive black holes in galaxies (Galaxies)
• Observations of the infrared background due to the first stars (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.