Orbiter Model

Orbiter Model

Arm is 15” long; Sun is 6” in diameter; Earth is 4” in diameter; moon is 1” in diameter. Includes study guide.
Daylight, night, seasons, and phases of the Moon are all effectively demonstrated.
How many days does it take the Earth to revolve around the Sun?
The answer to this question and more are answered when using this gear-driven model representing the Sun, Moon and Earth and their relationships.

Orbiter Model ALTEC Laboratory Equipments and ALTEC Laboratory Instruments Tenders.