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.
An Egyptian astronomer called Ptolemy (AD100-168) described one of the earliest ideas for how the Solar System is structured. Ptolemy’s model and many earlier ideas of the Solar System had the ...
In addition to the 3D map of the LHB, the team also created a census of supernova wreckage, superbubbles, and dust, which they incorporated into the map to build a 3D interactive model of the solar ...
Astronomers have discovered a system in which the disk is warped, providing a clear view of a three-million-year-old planet with a one-week orbit. A model for the formation of our Solar System ...