Connects introductory astronomy to a broad understanding of the universe. In Pearson eText for Astronomy Today, authors Eric Chaisson and Steve McMillan communicate their excitement about astronomy, combining up-to-date science with insightful pedagogy. The text emphasizes visualization, focusing on the process of scientific discovery in order to teach readers "how we know what we know." Updated features in the 9th Edition, Big Pictures and Big Questions, help readers connect the content of each chapter with a broader understanding of the universe while piquing interest in current research. The 9th Edition has also been thoroughly updated and revised to reflect recent discoveries in the field of astronomy. For courses in Introductory Astronomy. Pearson eText offers an affordable, simple-to-use, mobile reading experience that lets instructors and students extend learning beyond class time. Students can study, highlight, and take notes in their Pearson eText on Android and iPhone mobile phones and tablets -- even when they are offline. Educators can also add their own notes and highlights directly in the eTextbook so that students see what is important for their particular course. Learn more about Pearson eText. NOTE: This ISBN is for the Pearson eText access card. For students purchasing this product from an online retailer, Pearson eText is a fully digital delivery of Pearson content and should only be purchased when required by your instructor. In addition to your purchase, you will need a course invite link, provided by your instructor, to register for and use Pearson eText.