Flickr celebrated the 5th year anniversary of the launch of The Commons today. The massive collection of public domain photos now includes more than 250,000 images from 56 different libraries, archives, and museums.
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NASA joined The Commons on Flickr today, creating 3 sets with 180 beautiful historic photographs from various points in the agency’s rich history. If you love looking at launch photographs, one of the three sets is dedicated to those.

As with most media that comes out of NASA, their photographs on Flickr aren’t under copyright.

NASA on The Commons (via Flickr Blog)