There is no way in which a country can satisfy the craving for absolute security, but it can bankrupt itself morally and economically in attempting to reach that illusory goal through arms alone.
Dwight D. Eisenhower
The guns and the bombs, the rockets and the warships, are all symbols of human failure.
Lyndon B Johnson

Our World


Celestia... Space simulation that lets you explore our universe in three dimensions.
Celestia runs on Windows, Linux, and Mac OS X.
Downloads for each OS:
A (not so) Brief Introduction to Celestia Addons:


Download it direct from NASA: