Welcome to the Web Site for Discovering the Universe 5e by Neil F. Comins and William J. Kaufmann III. The site has been developed as a free resource for students and instructors using the textbook and its accompanying CD-ROM. Throughout the site you will find a variety of electronic instructional and learning tools designed to increase your understanding of our textbook and the subject of astronomy. This site has been developed for you, so if you have any comments or suggestions, please let us know by clicking "Contact us" at the bottom of this screen. Resources are organized by textbook chapter and by content type. To access resources, please select a Chapter or Category below.

Foundations 1: Discovering Astronomy Chapter 1: Discovering the Night Sky Chapter 2: Gravitation and the Waltz of the Planets Chapter 3: Light and Telescopes Chapter 4: The Origin and Nature of Light Foundations 2: The Solar System Chapter 5: Earth and Moon Chapter 6: The Other Terrestrial Planets Chapter 7: The Outer Planets Chapter 8: Vagabonds of the Solar System Chapter 9: Our Star, The Sun Foundations 3: The Stars Chapter 10: The Nature of Stars Chapter 11: The Life Cycles of Stars Chapter 12: The Deaths of Stars Chapter 13: Black Holes Foundations 4: The Universe Chapter 14: The Milky Way Galaxy Chapter 15: Galaxies Chapter 16: Quasars and Active Galaxies Chapter 17: Cosmology Chapter 18: The Search for Extraterrestrial Life

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