Color drawing of weightless astronauts. Artist's concept of astronauts working in space.
NASA
<ul><li><a rel="nofollow" class="external free" href="http://www.nasa.gov/centers/ames/multimedia/images/2005/futureexploration.html">http://www.nasa.gov/centers/ames/multimedia/images/2005/futureexploration.html</a></li>
<li><a rel="nofollow" class="external free" href="http://gimp-savvy.com/cgi-bin/img.cgi?ailsAcrrkcNYqes793">http://gimp-savvy.com/cgi-bin/img.cgi?ailsAcrrkcNYqes793</a></li></ul>