But to be considered as a planet it have to have a spherical shape... The only "difference" I see between planets and moons (besides that a moon has not to apply the spherical shape), is the orbit, a planet orbits around a sun (maybe we could say, sun or suns), and a moon orbits around a planet. Best regards, Leo
> From: [email protected] > To: [email protected] > Date: Fri, 18 Mar 2011 20:08:22 +0100 > Subject: Re: [meteorite-list] The Term "Planetary" > > Hi Ryan, > > the term "planetary" in the context of meteoritics is applied to meteorites > not stemming from asteroids, but from larger celestial bodies, which were > for a longer period geologically active, > hence from Planet Mars, the Moon and some reckon also those from planetoid > Vesta among them. > > When it was firstly used, I don't know. > Best, > Martin > > > > -----Ursprüngliche Nachricht----- > Von: [email protected] > [mailto:[email protected]] Im Auftrag von > [email protected] > Gesendet: Freitag, 18. März 2011 19:44 > An: [email protected] > Betreff: [meteorite-list] The Term "Planetary" > > To the list, > > I was sitting here reading some emails, and just thought... > > Who in the world ever came up with the term "Planetary" in reference to > meteorites. > > First of all, our Moon isn't a planet.. and secondly, to my knowledge, the > only "Planetary" meteorites in current existence have an origin of Mars. > Hence, "Martian" meteorites. Did I miss the big announcement of those from > Venus and Mercury? > > Regards, > > Ryan > > Sent on the Sprint® Now Network from my BlackBerry® > ______________________________________________ > Visit the Archives at > http://www.meteoritecentral.com/mailing-list-archives.html > Meteorite-list mailing list > [email protected] > http://six.pairlist.net/mailman/listinfo/meteorite-list > > ______________________________________________ > Visit the Archives at > http://www.meteoritecentral.com/mailing-list-archives.html > Meteorite-list mailing list > [email protected] > http://six.pairlist.net/mailman/listinfo/meteorite-list > ______________________________________________ Visit the Archives at http://www.meteoritecentral.com/mailing-list-archives.html Meteorite-list mailing list [email protected] http://six.pairlist.net/mailman/listinfo/meteorite-list
