The Manual Illuminated Planetarium for astronomy and space science is a gear-and-chain driven planetarium that allows you to create the motions of the Earth, Sun, Moon and Venus simultaneously.
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Create the motions of the Earth, Sun, Moon and Venus simultaneously with this gear-and-chain driven planetarium. The light from the illuminated 6"-diameter Sun follows the revolving Earth to show solar, lunar and annular eclipses; phases of the Moon; seasonal changes; night and day; and twilight. Durable, well-engineered planetarium promises years of classroom use. 14" H × 16½" L; 110V AC.