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   sci.space.science      Space and planetary science and related      1,217 messages   

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   Message 18 of 1,217   
   Paul F. Dietz to Christopher M. Jones   
   Re: Solar sails - impossible?   
   11 Jul 03 20:33:39   
   
   From: dietz@dls.net   
      
   Christopher M. Jones wrote:   
      
   >  However, as has been   
   > pointed out many times, the reflected photons are red   
   > shifted, so entropy does increase in the system.   
      
      
   The second law doesn't require that the entropy increase,   
   and I don't believe it does necessarily increase here.   
      
   	Paul   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)   

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