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Elementary Classmate Planetarium



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Quantity:
1 Ea.
Description
Includes
Instruction book, Elementary Planetariums
- Earth and moon manually move independantly from one another
- Ladder chain and gear drive keeps Earth's axis pointed at a 23.5° angle, toward the North Star
- Overall height: 12 in.
- Arm length: 17 in.
- Sun: 5.75 in.
- Earth: 4 in.
Unlit model demonstrates:
- Occurrence of night and day
- Variation in the length of daylight
- Movement of the Earth around the sun from west to east
- Why only one side of the moon is seen from the Earth
- Eclipses of the sun and moon occur
- Phases of the moon
Specifications
Specifications
For Use With (Application) | Demonstrate movement between sun, earth and moon |
Includes | Instruction book, elementary planetariums |
Height (Metric) | 30.48 cm |
Height (English) | 12 in. |
Product Type | Orrery Planetarium |
Quantity | 1 Ea. |
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