[Closed] Fly me to the Mün.

Stumbled across this, looks like it might be interesting to the astrogeeks amongst us.

[url= http://kerbalspaceprogram.com/index.php ]Kerbal Space Program[/url]

Kerbal Space Program is a multi-genre game where the player creates his own space program.

In KSP, you must build a space-worthy craft, capable of flying its crew out into space, without killing them. At your disposal is a collection of parts, which must be assembled to create a functional ship. Each part has its own function and will affect the way a ship flies (or doesn't). So strap yourself in, and get ready to try some Rocket Science!

The demo is basically an old pre-production copy of the game, but it looks intriguing.