The Sun, Earth and Moon revolve around one another on this gear-driven model.ââ¬Â¢Demonstrates the relationship between the Earth, Sun and Moon.ââ¬Â¢Arm is 15", Sun is 6" and the Earth is 4" in diameterââ¬Â¢Plug in If the sun were to be shown at the same scale, it would be approximately 36 feet in diameter! The earth and moon are shown in true scale. Illuminated Orbiter.
Plug in this unit and Illuminate the Sun to effectively demonstrate daylight, night, seasons, and phases of the Moon.The Sun, Earth and Moon revolve around one another on this gear-driven model.ââ¬Â¢Arm is 15", Sun is 6" and the Earth is 4" in diameterââ¬Â¢Plug in If the sun were to be shown at the same scale, it would be approximately 36 feet in diameter! The earth and moon are shown in true scale.