From: henry@spsystems.net   
      
   In article ,   
   Jorge R. Frank  wrote:   
   >> Let's just stick with the generic   
   >> terms 'peri-/apo- gee' for a planetary body, and 'peri-/apo- astron'   
   >> for a star. Much simplier and easier to remember.   
   >   
   >Perigee/apogee are not generic; they are specific to the Earth.   
      
   Perigee/apogee are theoretically specific to the Earth, but in practice   
   are widely used for other planetary bodies.  As are other nominally Earth-   
   specific terms like "geology".   
      
   >Even simpler and easier to remember would just be to use periapsis/apoapsis   
   >for everything.   
      
   Extra syllables for no particularly good reason.   
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   "Think outside the box -- the box isn't our friend."    |   Henry Spencer   
                                   -- George Herbert       | henry@spsystems.net   
      
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