Our vast and awesome universe has captured children's and adult imaginations for centuries. This interactive book gives children information on planets, comets, solar sytems, and more! ra" Pull-tabs, acetate overlays, wheels, flaps, and more impart information about our universe in an exciting, hands-on way. ra" A full-color, fun, and educational poster is included. ra" The consultant is a scientist at Jet Propulsion Laboratories, and he has worked on the Voyager, Viking, and Mariner projects. In 1981, he received the NASA Medal for Exceptional Scientific Achievement.
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