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Elementary Classmate Planetarium
SDPSCI_ED

Catalog No. S45168
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Quantity:
1 Ea.

Description

Includes

Instruction book, Elementary Planetariums

Orrery planetarium demonstrates individual concepts, one at a time

  • 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

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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