[meteorite-list] R: Chelyabinsk--OT

From: Francesco Moser <cojack_at_meteoritecentral.com>
Date: Thu, 28 May 2015 11:31:08 +0200
Message-ID: <001501d09929$07ebff00$17c3fd00$_at_tiscali.it>

Hello John!
On Wikipedia you can find some interesting data about the energy released:
http://en.wikipedia.org/wiki/Chelyabinsk_meteor

But remember that 500kt is the total kinetic energy of the
meteoroid/asteroid. Most of this energy was absorbed by atmosphere and
released in heat and light, the shock wave (mechanical energy) was produced
by a small part of the total energy of 500kt.


Ciao

<x>x<x>x<x>
Francesco



-----Messaggio originale-----
Da: Meteorite-list [mailto:meteorite-list-bounces at meteoritecentral.com] Per
conto di John Lutzon via Meteorite-list
Inviato: mercoled? 27 maggio 2015 19:12
A: meteorite-list at meteoritecentral.com
Oggetto: [meteorite-list] Chelyabinsk--OT

Hi All,

Dad told me about 55 years ago---if you do not ask yourself or someone else,
you may never know.
I asked myself the following question(s) and found info but not the
answer...so i'm asking.

Regarding the Chely meteor(at the time)---when it exploded with a yeild of
500 kilotons at an altitude of 20 miles, was this sufficient energy to throw
any mass "straight up" into low orbit? Or does everything just continue into
eventual dark flight?

I realize that mass impacts other mass and may throw objects into space but
i'm particularly asking about 500 kt. at 20 miles with earth's gravity. Any
calcs. or studies on this?

Found much info about yeild-vs-altitude-vs-psi at nukefix.org but not an
answer.

Thank you, John
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Received on Thu 28 May 2015 05:31:08 AM PDT