DALLASI absolutely love this, it's called an orrery, and it's a little mechanical model of our solar system. You can see the planets here, orbiting the sun as they would do in real life.

Interstellar material has been discovered in our solar system, but researchers continue to hunt for where it came from and ...

They are all part of the Maine Solar System Model, a representation of the solar system that stretches 40 miles from the University of Maine in Presque Isle to Houlton. The 20-year-old model was ...