Joachim Pense wrote: > PaulJK (in sci.lang): > >> firstname.lastname@example.org wrote: >>> In sci.lang Peter T. Daniels <email@example.com> wrote: >>>> Is "continent" a technical term in geography? >>> Dunno. It is, however, widely used. >>> >>>> Was "planet" a technical term in astronomy? >>> Yes. Not formally defined (except by enumeration), though. >> I don't know about modern astronomy, but in the old days >> a "planet" was a well established term for all "wanderers". >> They were all heavenly bodies (apart from the Sun?) that kept >> constantly changing their position on the celestial globe. Even >> today my Cartes du Ciel lists the Moon as one of the planets. >> pjk >> > > Was the sun always excluded, or did it count as a planet, too? > The sun doesn't wander.