Thanks Chris, I've wondered about this a long time, but have been unsuccessful in finding an explanation.
Mark --- On Sat, 7/12/08, Chris Peterson <[EMAIL PROTECTED]> wrote: > From: Chris Peterson <[EMAIL PROTECTED]> > Subject: Re: [meteorite-list] Re Cu meteorite > To: [email protected] > Date: Saturday, July 12, 2008, 11:22 PM > Many fireballs, especially slow ones, show strongly green. > This has nothing > to do with the composition of the body, however (meteor > colors in general > are not strongly related to composition). The green color > is the 558nm > forbidden oxygen line. Slower meteors are not as hot, so > their intrinsic > thermal (blackbody) radiation is less likely to swamp out > the atmospheric > emission. > > Chris > > ***************************************** > Chris L Peterson > Cloudbait Observatory > http://www.cloudbait.com > > > ----- Original Message ----- > From: "Mark Bowling" <[EMAIL PROTECTED]> > To: <[email protected]> > Sent: Sunday, July 13, 2008 12:09 AM > Subject: Re: [meteorite-list] Re Cu meteorite > > > > I've seen a few green fireballs/bolides over the > years. The flame test of > > copper is green so I've always wondered about this > subject myself. > > Geologic > > processes have produced relatively huge masses of > copper in the earth, and > > I > > don't see why that cannot occur elsewhere in the > solar system. But I'm > > just > > a biased copper miner... ;-) Something like that > would be quite rare, but > > possible I think. ______________________________________________ http://www.meteoritecentral.com Meteorite-list mailing list [email protected] http://six.pairlist.net/mailman/listinfo/meteorite-list
