Flickr, the Internet Archive and NASA have teamed up to surface 50 years of space history.
Users can add tags and keywords to the images as well as comments.
For space buffs---and who isn't?---the collections are definitely worth a look. The Internet Archive began compiling NASA images in 2007. NASAimages.org launched in 2008.
Gallery: NASA, Flickr space gallery takes off
Flickr's reach is likely to give these NASA images a bit more exposure. Among the collections, the Launch/Takeoff gallery has the most eye candy. A few favorites...