XPost: sci.physics, sci.space.tech   
   From: mooregr@greenms.com   
      
   "Matthew F Funke"  wrote in message   
   news:bf0tep$mbh$1@tabloid.unh.edu...   
   >   
   >      No disagreement here.  I just wanted to avoid the notion that a   
   > rocket needs to "push against" the ground, air, previously expelled   
   > propellant, or any other thing that is sitting out the back end when the   
   > rocket fires in order to work.  (Rockets work better in vacuum than in   
   > air, in fact.)   
      
      
   Right.  I think ultimately we're in agreement here.   
      
      
   > --   
   >                              -- With Best Regards,   
   >                                 Matthew Funke (mff@hopper.unh.edu)   
      
   --- SoupGate-Win32 v1.05   
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