[meteorite-list] Rocks from Space Picture of theDay-September14, 2009

[spacerocksinc at aol.com]

I have added a few photos from the impact site along with Matt's great piece here:
http://www.sikhote-alin.org/sikhote-alin-1947.html

Michael Johnson
http://www.rocksfromspace.org

Thumbed On My BlackBerry   

-----Original Message-----
From: "Jeff Kuyken" <info at meteorites.com.au>

Date: Wed, 16 Sep 2009 18:10:45 
To: <meteorite-list at meteoritecentral.com>
Subject: Re: [meteorite-list] Rocks from Space Picture of the
	Day-September14, 2009


Hi all,

Most of you have probably seen it already but for anyone following this 
thread there is footage of a couple of trees in the Sikhote-Alin documentary 
where pieces have gone clean through them. It's at about 6:08.

http://www.meteorites.com.au/odds&ends/sikhote-alin.html

Cheers,

Jeff


----- Original Message ----- 
From: "Matt Morgan" <mail at mhmeteorites.com>
To: <GeoZay at aol.com>; <meteorite-list at meteoritecentral.com>
Sent: Wednesday, September 16, 2009 3:14 AM
Subject: Re: [meteorite-list] Rocks from Space Picture of the 
Day-September14, 2009


> George
> I don't think the heat was from the small meteorite itself, but the 
> kinetic energy released by the impacting bodies. There was enough energy 
> to form craters/pits that were 20-30m wide and down trees.
> Like in all cratering events, there was a hot air blast caused by the 
> energy release which may have charred the outside of the trees.
>
> This is just a possible way to explain the charring, if in fact, that is 
> what I am seeing on the bark of the tree (again, not behind the small 
> meteorite).
> Matt
> ------Original Message------
> From: GeoZay at aol.com
> Sender: meteorite-list-bounces at meteoritecentral.com
> To: meteorite-list at meteoritecentral.com
> Subject: Re: [meteorite-list] Rocks from Space Picture of the 
> Day -September14, 2009
> Sent: Sep 15, 2009 11:04 AM
>
>>>I don't see any charring...only  staining/rust. <<
>
> Wanting to expand a little here...assuming the  tree was alive when 
> struck,
> I don't think a small meteorite would carry enuf  heat to cause any
> charring that would be noticed today. Being one who relies on  a woodstove 
> as their
> primary source of heat, I can attest that it's a real bear  to get wet 
> wood
> to even think about burning. If it was a dead tree, I still  doubt there
> would be enuf heat in this small piece to cause anything to burn. If  a 
> small
> piece was hot enuf to cause any charring, I can only imagine how much 
> heat
> would be in the larger pieces...were there any burnt trees in the
> strewnfield area? I can't tell from the photograph, but was this piece a 
> fragment or
> an individual?
> George Zay
>
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> ----------------------
> Matt Morgan
> Mile High Meteorites
> http://www.mhmeteorites.com
> P.O. Box 151293
> Lakewood, CO 80215 USA
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