Need a new idea to keep kids entertained? Try stargazing. Free learning activities and videos about the solar system Free learning activities and videos about the solar system Free learning ...

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 ...

Emporia State and the Peterson Planetarium will collaborate with Emporia Main Street on creating a permanent scale model of the solar system throughout campus and the downtown area, a project ...