[meteorite-list] Re Cu meteorite

From: Mark Bowling <minador_at_meteoritecentral.com>
Date: Sun, 13 Jul 2008 08:22:34 -0700 (PDT)
Message-ID: <969986.65559.qm_at_web50403.mail.re2.yahoo.com>

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 <clp at alumni.caltech.edu> wrote:

> From: Chris Peterson <clp at alumni.caltech.edu>
> Subject: Re: [meteorite-list] Re Cu meteorite
> To: meteorite-list at meteoritecentral.com
> 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" <minador at yahoo.com>
> To: <meteorite-list at meteoritecentral.com>
> 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.
Received on Sun 13 Jul 2008 11:22:34 AM PDT