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Elementary Lighted Planetarium
Includes
Instruction book
Earth and moon move separately by hand. The ladder chain and gear drive is used solely to keep the axis of the Earth point at a 23.5° angle toward the North Star.
Demonstrates several concepts:
- The reason for the occurence of night and day
- The variation in the length of daylight
- The movement of the Earth around the sun from west to east
- Why only one side of the moon is seen from the Earth
- How eclipses of the sun and moon occur
- The cause of the phases of the moon
Order Info
- Height: 12 in. (30.5cm)
- Arm length: 17 in. (43cm)
- Sun: 5.75 in. (14.5cm)
- Earth: 4 in. (10cm)
- Globe color: Light blue or black oceans
- Electrical requirements: 110V
Specifications
For Use With (Application)
Beginning model shows individual concepts, one at a time
Includes
Instruction book
Height (Metric)
30.48 cm
Height (English)
12 in.
Product Type
Elementary Lighted Planetarium
Quantity
Each
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