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From: space@ucbvax.UUCP
Newsgroups: net.space
Subject: Re: Planet prefixes
Message-ID: <8602230218.AA06259@pesnta.UUCP>
Date: Sat, 22-Feb-86 20:18:44 EST
Article-I.D.: pesnta.8602230218.AA06259
Posted: Sat Feb 22 20:18:44 1986
Date-Received: Wed, 26-Feb-86 06:13:48 EST
References: <8602212220.AA07320@oliven.ICO>
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In article <8602212220.AA07320@oliven.ICO> you write:
>I believe that 'geo-' means 'earth' (not Earth), and would be
>fine for any planet.
>
> 'helio' means sun, suitable for any star.
>
>Barb

It would be nice if those terms were to be used generically.  I just
wanted to point out that other terms have been defined (and are in use).

periastron - that point in the orbit of a star or other celestial body
             where it is nearest to the primary star around which it
             is revolving.

apojove - the point farthest from the planet Jupiter in the orbit of
          each of its satellites

Other terms have been similarly defined.  (No, I don't have a complete
list.)

Kim Althoff
ihnp4!pesnta!kima