Welcome to Discovering the Universe, 7e Online!

Throughout this site you will find a variety of electronic instructional and learning tools designed to increase your understanding of the textbook and the subject of astronomy. The new edition is a fully "media- connected" text. Icons appear throughout every chapter to connect students from the topic they are reading about to specific areas of this Web site, where they will find supplemental web information, interactive exercises, animations, videos, Active Integrated Media Modules, and other activities utilizing the Starry Night Backyard software. These resources are organized by textbook chapter and by content type.

To use this site, select a chapter or category below. Some content (e.g., instructor content, or quizzes) requires you to register. If you have not registered with the site and wish to access password-protected content, click the "Sign me up as a student or instructor" link and enter the information requested.

Instructors: Please visit our instructor preview page. All instructor materials require you to register.

If you are using the previous edition, click here!

Discovering the Universe, 7e ebook!
Visit this link to preview a sample chapter of the eBook, to purchase it, or to request Instructor access.