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Elementary Lighted Planetarium
SCI_ED

Beginning model shows individual concepts, one at a time

Manufacturer:  Science First 6533040

Catalog No. S96817


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Includes: Instruction book

Description

Description

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

Specifications

Beginning model shows individual concepts, one at a time
30.48 cm
Elementary Lighted Planetarium
Instruction book
12 in.
Each
SDS
Documents

Documents

Product Certifications
Promotions

Promotions

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