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For a generation, Astronomy: A Self-Teaching Guide has introduced hundreds of thousands of readers worldwide to the night sky. Now this classic beginner's guide has been completely revised to bring it up to date with the latest discoveries. Updated with the latest, most accurate information, new online resources, and more than 100 new graphics and photos, this Eighth Edition features:      ·Website addresses throughout for the best color images and astronomy resources online    ·Technical ideas made simple without mathematics    ·A beautiful updated full-color, glossy insert with spectacular images    ·An interactive format with learning goals, reviews, self-tests, and answers for fast learning