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.

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]