[meteorite-list] Tunguska Questions

From: Greg Catterton <star_wars_collector_at_meteoritecentral.com>
Date: Thu, 14 May 2009 09:49:02 -0700 (PDT)
Message-ID: <24621.58991.qm_at_web46414.mail.sp1.yahoo.com>

I recall reading something recently that stated there was a mass at the bottom of the lake you mentioned that may be remains of the meteorite... I think it was also on TV.

Greg C.

--- On Thu, 5/14/09, Meteorites USA <eric at meteoritesusa.com> wrote:

> From: Meteorites USA <eric at meteoritesusa.com>
> Subject: [meteorite-list] Tunguska Questions
> To: "meteorite-list at meteoritecentral.com" <meteorite-list at meteoritecentral.com>
> Date: Thursday, May 14, 2009, 12:41 PM
> Hi Listees,
>
> Recently there's been more interest in the Tunguska event.
> More scientists are trying to explain it, and some are even
> looking at a lake near the blasts epicenter believing that
> this is the missing crater. http://news.bbc.co.uk/2/hi/science/nature/6239334.stm
>
> Photo of Lake Cheko: http://a52.g.akamaitech.net/f/52/827/1d/www.space.com/images/070626_lake_cheko_02.jpg
>
> A witness in Vanovara (36 Miles SE of the epicenter) said
> in O. Richard Norton's "Rocks From Space"
>
> "The crash was followed by noise like stones falling from
> the sky, or guns firing."
>
> and
>
> "when I lay on the ground I covered my head because I was
> afraid that stones might hit it."
>
> We all know too well that witness reports aren't ideal
> information but useful anyway. But, how would this person
> know to say that there was a "noise like stones falling"
> unless that were the case? Or did the witnesses report
> become tainted after countless interviews? How many times
> was this witness interviewed?
>
> I know people have searched for meteorites under and around
> the epicenter area. But what if this was a stony meteoroid,
> and the explosion blasted meteorite pieces 30-50 miles away.
> The devastation this explosion caused is evidence that it
> was one hell of a blast and was on par with a nuclear
> explosion.
>
> YouTube Video: http://www.youtube.com/watch?v=EiXpp-i442s
>
> Donald Yoemans (JPL) states in the History Channel video
> that this blast was 15 megatons of equivalent energy
> "roughly 1000 times that of the Hiroshima blast."
>
> VERY COOL ARTIST RENDERING: http://svidea.us/misha/image/tunguska2.jpg
>
> Photos of Devastation:
> http://astro.wsu.edu/worthey/astro/html/im-meteor/tunguska-photo.jpg
> http://upload.wikimedia.org/wikipedia/commons/a/ad/Tunguska.png
> http://www.wilsonsalmanac.com/images1/tunguska3.jpg
> http://www.world-mysteries.com/sci_tu3.gif
> Artist Rendering: http://aura.gaia.com/photos/34/338910/large/tunguska-1.jpg
> Area Map: http://www.world-mysteries.com/sci_tunguska1.gif
> Blast Damage Area: http://www.world-mysteries.com/sci_tu2.gif
>
> When you factor in all this information, how come people
> aren't looking 30-40 miles away for debris from this blast.
> If it was as powerful as they say (as evidenced by the
> downed trees and other devastation) wouldn't it make perfect
> sense that area around the blast would be completely void of
> meteorites as is the case?
>
> Having said that, wouldn't it be prudent to look further
> away from the blasts epicenter for fragments? How far will a
> blast such as that throw debris? If a Navy destroyer can
> launch a huge shell a hundred miles using a few pounds of
> gunpowder, how far can a meteoroid blast such as this launch
> stone fragments?
>
> Bomb squad techs and investigators will be the first to
> tell you that there's always something left over from a
> blast no matter how powerful. Pieces get thrown sometimes
> miles from the epicenter of powerful blast. In the case of
> Tunguska this blast was nuclear powerful! Yes a lot of the
> mass would have been melted and disintegrated but, how
> likely is it really that the blast would make ALL trace of
> the meteoroid disappear?
>
> Could there be meteorite pieces within a 30-50 mile ring
> around the epicenter?
>
> -- Regards,
> Eric Wichman
> Meteorites USA
> http://www.meteoritesusa.com
> 904-236-5394
>
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Received on Thu 14 May 2009 12:49:02 PM PDT