18 Mechanical Planetary Models

Our planet recently made another fantastic journey around the sun. What better way to celebrate than to take a look at the marvelous mechanical contraptions we've created to visualize our solar system's celestial dance.

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For some more intergalactic, interplanetary entertainment here on earth, check out these incredible planetarium projectors, planetariums from around the globe, sextants, the world's most wonderful telescopes, or 12 pocket sundials. [Oobject]