The National Aeronautics and Space Administration is celebrating their 50 years of discovery and innovation. NASA officialy goes 50 year on October 1 but they began their grand celebrations on Sep 24 at the Smithsonian's National Air and Space Museum.
Interactive features to celebrate NASA's 50 years are in the NASA website, such as virtual tours, galleries and exhibits.
http://www.nasa.gov/50th/home/index.html
