This gear-driven model helps demonstrate the relationship between the Earth, Sun, and Moon, showing daylight, night, seasons, and phases of the Moon. The Sun, Earth, and Moon revolve around one another, with Earth and Moon shown in true scale, making this a powerful educational tool for understanding astronomical concepts.
- Illuminates the Sun to demonstrate daylight, night, and seasons
- Gear-driven model shows the movement of the Sun, Earth, and Moon
- Earth and Moon are shown in true scale with 1 inch = 2000 miles
- The Sun, if scaled, would be about 36 feet in diameter
- The arm measures 15in, Sun is 6in in diameter, and Earth is 4in in diameter
- Ideal for teaching phases of the Moon and astronomical concepts
- Plug-in design for easy setup and operation





