But which parts should you choose? Low Tech Magazine has the answer, in the form of a guide to building a small solar power system. The result is an extremely comprehensive guide, and though it ...

The now-retired professor of geology used those numbers to come up with a bold idea: to build a scaled model solar system, stretching those 40 miles from UMPI to Houlton. And with the help of ...

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 ...