The NASA Commons Site is a webpage created on Flickr’s image-sharing site to share “photographs, historic film and video” with a larger audience. As the website states, these materials come from the NASA archives and allow the “audience to help tell the story of these photos by adding tags, or key words, to the images to identify objects and people.” Since November 2009, they have gained a following of over twenty-six thousand people and have amassed over two hundred and fifty-one million views. According to the terms on Flickr, which you can find here, there are restrictions on what you can and cannot do to images posted on the website. This would mean that the photos on the NASA Commons Site would not fall under the Public Domain but are still under Creative Commons.