Space Simulator....Amazing Free Software

[Welles]

Welcome to Celestia
... The free space simulation that lets you explore our universe in three dimensions. Celestia runs on Windows, Linux, and Mac OS X.

http://www.shatters.net/celestia/download.html

 

[Sean]

That was fun! It has some great educational applications as well. Thanks for posting that, Welles.

 

[chillman]

Thanks Welles! My 7 year old daughter is loving it!