XPost: sci.space.policy   
   From: nj_kruse@me.com   
      
   Robert Clark  wrote:   
      
   > What would be the size of the collector array at Earth to capture most of   
   > the light focused from the 1 km wide mirror located at the Sun, i.e., the   
   > size of the Airy disk at the Earth? How large at Proxima Centauri?   
      
   The sun is not a point source, which means you can't focus it at any   
   significant distance.   
      
   --   
   Mvh./Regards,    Niels Jørgen Kruse,    Vanløse, Denmark   
      
   --- SoupGate-Win32 v1.05   
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