From Babylonian cosmology to todays high-tech data gathering, Planets will provide countless hours of enjoyment for anyone wanting to understand our celestial neighbors. The easy-to-follow text is divided into six beautifully-illustrated sections, beginning with early beliefs and origins and continuing on to a full visual treatment of Mercury and Venus to Pluto and the mysterious Planet X, and even planets beyond the solar system. Special full-color features compare the planets and explore such subjects as life on other planets, meteorites, and the Shoemaker-Levy comet.