From: volker.hetzer@gmx.de   
      
   Smith wrote:   
   > Please excuse this naive query:   
   >   
   > How is it possible to know that we have not just deposited some "earth   
   > DNA" on Titan, via a single (or multiple) viral or bacterial   
   > hitchhiker?   
   [...]   
   >   
   > I realize that clean rooms are used for vehicle and instrument   
   > fabrication, that heat of atmospheric entry, the 7 year transit time   
   > and the radiological environment of interplanetary space all mitigate   
   > against this possibility, but...   
   >   
   > One compromised bacterium?   
   > One (or a dozen, or a few hundred) virus/viruses?   
   How sure do you want to be before you think you "know"?   
      
   Lots of Greetings!   
   Volker   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)