An economical planetarium made by the makers of the world famous Trippensee® Planetarium. Chain and sprocket drive; sturdy plastic arm with compass for locating North Star; Earth globe with map; and moon globe movable to any position. Sun, 6" d..

An economical, lighted planetarium made by the makers of the world famous Trippensee® Planetarium. Chain and sprocket drive; sturdy plastic arm with compass for locating North Star; Earth globe with map; and moon globe movable to any position. Sun,..

A lighted model of the world’s most widely used planetarium. It shows synchronized motions of Venus, Earth, moon, and sun, and other planetary phenomena, including all the important Earth, moon, sun relationships. The light is used to graphically ..