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<!--EZCODE LINK START--><a href="http://www.spacedaily.com/news/outerpla ... l">Gravity Rules</a><!--EZCODE LINK END--><br><br>An interesting proposal to define the lower end of what constitutes a "planet," since there's been so much controversy about that of late. Pluto, Sedna, etc. It's nice because it bases the definition on physical principles as opposed to someone throwing a dart at a chart and arbitrarily saying "bigger than this is a planet." <p></p><i></i>

Fun article. <p><!--EZCODE IMAGE START--><img src="http://www.camerasupport.com/oV/mavsigr ... <!--EZCODE IMAGE END--></p><i></i>