Reta Beebe, astronomer, in a screenshot from NASA's Passport to Knowledge TV program titled "Live from the Hubble Space Telescope". Episode #101, "The Great Planet Debate".
<a href="//commons.wikimedia.org/wiki/National_Aeronautics_and_Space_Administration" class="mw-redirect" title="National Aeronautics and Space Administration">National Aeronautics and Space Administration</a> <a rel="nofollow" class="external autonumber" href="http://passporttoknowledge.com/hst/credits.html">[2]</a>
<a rel="nofollow" class="external text" href="http://quest.nasa.gov/hst/video/debate/planets.html">NASA Quest</a> (<a rel="nofollow" class="external text" href="https://web.archive.org/web/20030526222232/http://quest.nasa.gov:80/hst/video/debate/planets.html">archived</a>)