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PIRA Code(s)
8A10.10
Set up time
none
Physics and Science Concepts
Planetary Astronomy, Solar System
Operation
Plug in the model. Flip the right switch to have the planets move and the left switch to turn the light bulb on which represents the earth.
Safety
Do not touch the light bulb, it may get hot.

A mechanical model of the first six planets and sun is presented. The planets orbit the sun at the frequencies.