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The almost unimaginably large size of many objects in the universe accounts in part for astronomy's tremendous appeal. Yet the problem of depicting a vast range of scales is perhaps astronomy's greatest challenge. "Sizing Up the Universe" addresses, in highly readable and richly illustrated style, the intriguing concept of size in the universe. The authors - both professors at Princeton University - put forward clear, concise, and understandable answers to the hard-to-answer questions: How big is the sun? Our solar system? Our galaxy? The visible universe? What is the largest structure in the cosmos? And how do we know? With size comparisons as a unifying theme, this gorgeous book goes beyond the facts and figures to work as a superb visual guide to the heavens. It captures a fresh vision of the universe, chronicling a host of exciting recent discoveries: new Kuiper belt objects in the solar system, new planets orbiting nearby stars, great walls of galaxies, even the fingerprints of creation in the cosmic microwave background radiation.

As a special bonus, "Sizing Up the Universe" includes, for the first time in an astronomy book (despite repeated requests to reproduce it in previous titles), a beautiful new full-color version of author Richard Gott's incomparable "Map of the Universe". This remarkable chart includes everything from Earth satellites to planets, stars, and distant galaxies.