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NASA
<a rel="nofollow" class="external free" href="https://www.youtube.com/watch?v=g19t5UokBp4&amp;fmt=22">https://www.youtube.com/watch?v=g19t5UokBp4&amp;fmt=22</a> (and heavily touched up by <a href="//commons.wikimedia.org/wiki/User:Huntster" title="User:Huntster">User:Huntster</a>)