[meteorite-list] Meteorites, their parent bodies, strewn fields, and beta

[Gerald Flaherty]

Ed, your representation of the poosity of parent bodies IS in line with the 
theme in "Ancient Astroid" the TV show which explored the origins of LDS.
Jerry Flaherty
----- Original Message ----- 
From: "E.P. Grondine" <epgrondine at yahoo.com>
To: <meteorite-list at meteoritecentral.com>
Sent: Saturday, April 07, 2007 11:33 PM
Subject: [meteorite-list] Meteorites, their parent bodies, strewn fields,and 
beta


> Hi everyone -
>
> My apologies once again for not yet writing a full
> thanks you note to everyone from Tucson, but I hope
> you'll understand...  I've already mentioned Mexico
> Doug and some others, but let me also thank Impactika,
> Anne Black, and Chladnis's Heirs, for the fine
> specimens.  There's others who I need to thank, but I
> don't think that this is the place to do it, for
> reasons which they know.
>
> The reason for this note is that this is important. I
> hope you all know that meteorites are more dense than
> their parent bodies.  I can't point you to an easy
> internet site where you may learn this if you don't.
> Now that this difference in density is ascribed to
> "porosity", spaces in the parent bodies.
>
> It has turned out that the momentum imparted to a
> parent body when it is hit by a kinetic mass is far
> greater than the mere addition of moments, due to a
> jet reaction which occurs when the parent body is hit.
> This multiple of momentum is called "beta", and it
> appears to be dependant on "porosity".
>
> So how can you get some good estimates of "beta", of
> "porosity"? I think that some answers to these
> questions may be gained by studying strew field
> distributions for the different types of meteorites.
>
> Why? Because those strewn fields, which show a small
> part of a parent body explodes when it hits the
> atmosphere, are also dependant on porosity.
>
> Does this make sense to all of you experts here?
>
> good hunting,
> Ed
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