... stargaze/Sintro.htm . ... Education/Intro.html Back to main links . Listed below are selected topics of interest covered in the above web sites. ... distance of the Sun . ... Energy . ... Cannons that can reach space. ... Magnetism in Earth Science Class . ... Gauss and the 1st magnetic survey . ... This educational site was assembled before the other two, with a somewhat different goal--to tell interested non-scientists what space research was like, or at least, one of its important areas. ...