Artwork used on NASA's Discovery program website.
<a href="https://en.wikipedia.org/wiki/NASA" class="extiw" title="wikipedia:NASA">National Aeronautics and Space Administration (NASA)</a>
2011-07-27 14:20:36
NASA <a rel="nofollow" class="external text" href="http://discovery.nasa.gov/index.cfml">Discovery program</a> website. (<a rel="nofollow" class="external text" href="http://discovery.nasa.gov/images/background-indexBody21.jpg">Source Image</a>)