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註釋The Pocket Reference Guide Stars & Planets is an ideal compact identification guide to our night sky. A system of season-by-season charts enables the reader to identify quickly and easily the major constellations visible in the Northern Hemisphere. The Solar System and its planets are described and illustrated using the latest data from space missions. Information on stars, star clusters, nebulac, galaxies and black holes provides the background needed to understand the structure of the universe. Detailed full-colour illustrations and concise, informative text provide everything the novice starwatcher needs to explore the sky.