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Celestial Sphere, Projecting Planetarium, and Illuminated Motorized Planetarium in One |
Demonstrate all sun-Earth-moon relationships, including solar and lunar eclipses, with this versatile plexiglas globe. Stars to the fifth magnitude are displayed, as well as ecliptic, right ascension, and declination scales. The planets, stars, and constellations can be projected on the ceiling or wall of a darkened room, and the illuminated sun’s light can be varied to study conditions of twilight and darkness. Remove the upper half of the dome for close-up views of the sun, Earth, and moon, as well as their motor-synchronized revolutions. It comes with an illustrated study guide. 115 VAC with a 5 1/2′ cord. Size: 20″ dia.
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