With Astronomy Today, Seventh Edition, trusted authors Eric Chaisson and Steve McMillan communicate their excitement about astronomy and awaken you to the universe around you. The text emphasizes critical thinking and visualization, and it focuses on the process of scientific discovery, making ow we know what we know?an integral part of the text. The revised edition has been thoroughly updated with the latest astronomical discoveries and theories, and it has been streamlined to keep you focused on the essentials and to develop an understanding of the ig picture.? Note: Astronomy Today, Volume 2: Stars and Galaxies, 7/e focuses primarily on stars and stellar evolution for a 1-term course and includes Chapters 1-5 and 16-28 of the main text.This is the standalone book if you want the book/access card order the ISBN below; 0321718658 / 9780321718655 Astronomy Today Volume 2: Stars and Galaxies with MasteringAstronomy Package consists of: 0321705998 / 9780321705990 MasteringAstronomy with Pearson eText Student Access Code Card for Astronomy Today 0321718631 / 9780321718631 Astronomy Today Volume 2: Stars and Galaxies Other Alternate Version: Astronomy Today, Volume 1: The Solar System, Seventh Editionocuses primarily on planetary coverage for a 1-term course. Includes Chapters 1-16, 28.