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   sci.space.policy      Discussions about space policy      106,651 messages   

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   Message 105,220 of 106,651   
   Snidely to All   
   Re: Landing on Mars   
   28 Feb 21 17:48:45   
   
   From: snidely.too@gmail.com   
      
   JF Mezei pounded on thar keyboard to tell us   
   > On 2021-02-26 21:25, Sylvia Else wrote:   
      
   >> Side note on terminology - perigee is specifically the lowest point in   
   >> an orbit about Earth. There is the term pericynthion for the   
   >> corresponding point near the Moon. The generic term is periapsis.   
   >   
   > Thanks. learn something every day.  What is the historical reason to not   
   > use apogee/perigee for orbits around any body ?   
      
   Perhaps the observation that the "gee" comes from "geo" thus from   
   Gaea/Gaia.  "apsis" seems to come from "orbit", again dipping into   
   Greek roots.   
      
   /dps   
      
   --   
   "This is all very fine, but let us not be carried away be excitement,   
   but ask calmly, how does this person feel about in in his cooler   
   moments next day, with six or seven thousand feet of snow and stuff on   
   top of him?"   
     _Roughing It_, Mark Twain.   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)   

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