J
JonClarke
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http://space.com/scienceastronomy/070326_titan_craters.html<br /><br />What this means is that Titan has roughly the same number of craters as Earth and thus a geology of roughly similar degrees of activity. Most exciting!<br /><br />Jon <div class="Discussion_UserSignature"> <p><em>Whether we become a multi-planet species with unlimited horizons, or are forever confined to Earth will be decided in the twenty-first century amid the vast plains, rugged canyons and lofty mountains of Mars</em> Arthur Clarke</p> </div>