[Synchronized planetarium] /
Consists of a manually-operated planetarium that portrays the relative positions and movements of the sun, moon, Earth, and Venus throughout the year. Demonstrates the Earth's rotation, the Earth's elliptical orbit, how the tilt of the Earth creates the seasons, the causes of the changes o...
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| Format: | Map |
| Language: | English |
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Saginaw, Michigan :
Trippensee Planetarium Co.,
[1993]
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| Summary: | Consists of a manually-operated planetarium that portrays the relative positions and movements of the sun, moon, Earth, and Venus throughout the year. Demonstrates the Earth's rotation, the Earth's elliptical orbit, how the tilt of the Earth creates the seasons, the causes of the changes of length in day and night and of the equinoxes, the solstices, the moon's orbit and phases, lunar and solar eclipses, and what Venus looks like in its various orbital positions as viewed from Earth. |
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| Item Description: | Consists of a yellow plastic sun on a reddish, brown base. A black and white ball representing Venus is attached to the sun by metal connector. A rotatable Earth is attached to the sun by a movable arm and a small white moon is attached to the Earth by a metal connector. Metal chains keep the movements of the celestial objects synchronized. The seasons, months, and signs of the zodiac are shown on the base of the stand. There is a compass embedded in the movable arm. There is a cord attached to the base and a light bulb inside the sun that can be turned on to simulate sunshine. Sun globe 15 cm, Earth globe 9 cm, Venus globe 4 cm, Moon globe 3 cm. |
| Physical Description: | 1 model : metal and plastic, color ; 35 x 64 x 19 cm. |