[meteorite-list] Re Cu meteorite

From: Sterling K. Webb <sterling_k_webb_at_meteoritecentral.com>
Date: Sat, 12 Jul 2008 13:36:17 -0500
Message-ID: <01a801c8e44e$2c838d20$db5de146_at_ATARIENGINE>

Hi, Darren, List,

    Good for you; you've landed on a controversy!
The existence (or non-existence) of cryometeors
and megacryometeors. The principal researcher of
this topic is Jes?s Mart?nez-Fr?as, author of:
http://tierra.rediris.es/publipapers/megacryometeors_ambio.pdf

    The record hailstone for the US is less than 8
inches in diameter but in 1995 in Zhejiang, China,
a block of ice roughly a meter on a side and
weghing about a ton was witnessed to fall.

    Cratering events are recorded. Are any of them
from "outer space"? Every cryometeor tested has
had the isotopic signature (deuterium) of plain ol'
earthly water...

    The question is: how the h*** does the atmosphere
form and support a one-ton block of ice? No theory
of the atmosphere even vauguely suggests any way...

    Oddly for such a large number of well-attested
events, most internet science forums and astronomy
sites routinely blow off questions about big chunks
of ice falling from the sky as urban myths, more UFO
fantasies, whacky ignorance...

    What? Rocks falling from the sky? Nonsense.


Sterling K. Webb
------------------------------------------------------------------
----- Original Message -----
From: "Darren Garrison" <cynapse at charter.net>
To: <meteorite-list at meteoritecentral.com>
Sent: Saturday, July 12, 2008 12:58 PM
Subject: Re: [meteorite-list] Re Cu meteorite


On Sat, 12 Jul 2008 11:10:04 -0600, you wrote:

>It turns out that even a big block of ice can survive passage through the
>atmosphere. The outside ablates away, the interior never warms up.

Any numbers on how big the block would have to be? How small the surviving
piece could be? I'm thinking of some of those chunks of ice that fall from
the
sky some times. Most come from planes. Could some be cometary?
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Received on Sat 12 Jul 2008 02:36:17 PM PDT