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Re: Looking for Meteorites with Infrared binoculars





Jeffrey Grantham
Client Solutions Manager
IBM Global Services

303-939-3216, (T/L 263-3216)
Pager 800-759-8888, PIN 882-6369
Fax 303-939-3657, (T/L 263)

---------------------- Forwarded by Jeffrey Grantham/Boulder/IBM on 06/21/99
10:30 AM ---------------------------


Jeffrey Grantham
06/21/99 08:34 AM

To:   viol@webtv.net (J.B. Goleman)
cc:
From: Jeffrey Grantham/Boulder/IBM@IBMUS
Subject:  Re: Looking for Meteorites with Infrared binoculars  (Document link
      not converted)

Hi,

An iron meteorite might also retain from the sun longer than surrounding rocks
due to its mass.

Cheers,

Jeffrey



viol@webtv.net (J.B. Goleman) on 06/18/99 09:59:12 AM

To:   meteorite-list@meteoritecentral.com
cc:    (bcc: Jeffrey Grantham/Boulder/IBM)
Subject:  Re: Looking for Meteorites with Infrared binoculars





Hi George, Michael and List:  While I'm far from being a
thermodynamicist, and agree with Michael, it seems to me that there's
another factor that could produce a meteorite's  infrared "signature"
and lead to its recovery by the method proposed by George.
A black fusion crust would permit a newly-fallen meteorite to absorb
more heat radiation from the sun than would be absorbed by
lighter-colored country rock. Therefore, after a bit of basking in the
sun, such a meteorite should, after dark, appear some degree lighter to
an appropriately-equipped searcher - assuming that it hadn't completely
buried itself. What do you folks think ?  Joel  ....
P.S. Regarding appropriate equipment, the surplus division of Edmund
Scientific in Barrington,N.J. sells a very high power infrared device
once used as a long range, Belgian Army artillery night sight.




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GeoZay@aol.com wrote:
>(snip) after watching some video of various pilots seeking out
>military tanks using infrared goggles or binoculars, has anyone
> here tried looking for iron meteorites with similar equipment?
> The iron tanks glowed from the heat it gave off at night and
> appeared to be easily noticed. It would seem that someone could
> scan various isolated terrain such as mountains, desert sands,
>dry lakes etc and see the heat emitting from iron meteorites if
> they were
> present?
> George Zay
-----------------
George,
     The reason tanks show up on infrared binoculars is they are radiating
heat from running their engines earlier AND they have humans inside with
98.6 degrees F radiating their interior. Iron meteorites have neither of
these factors.
     Best wishes, Michael

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