This seriously serious, click one or all to get free software, free design guidance, free free free!
30 Day to Launch Phone
This is really cool, if you want to learn a programming language, these tutorial are completely based on the web and work in any browser that has silverlight installed!
Here is a RIA (Rich Interface Application): http://www.tryfsharp.org/Tutorials.aspx?view=1&example=http://fssnip.net/raw/4X#
Select the Solar System Simulation example and one thing that is not obvious you will need to add the “canvas”:
When I clicked your link above, the example defaulted to a calculator. How to run the Solar System Simulator is not intuitive (or institutive ;) ) .