This edition of this brief text has been thoroughly updated. The accompanying CD-ROM features a special student version of the award-winning virtual planetarium software "Starry Night" plus software animations and videos, all illustrations from the text, interactive Q&A and exercises, and supplementary resources. Material can be updated periodically from the Freeman Web site. There is an online study guide offering a CD-Web guide, chapter objectives, key terms, review questions, "Starry Night" observations exercises and online tutorials.