[meteorite-list] Any Meteorites of Venusian Origin?

From: Robert Verish <bolidechaser_at_meteoritecentral.com>
Date: Thu Apr 22 09:47:10 2004
Message-ID: <20011112201946.76819.qmail_at_web10404.mail.yahoo.com>

I forgot to add:

If it ends up that there is no hope for a tektite ever
becoming a "terrestrial meteorite", then there is no
hope of ever finding a Venusian meteorite, neither
glassy, nor stony!!

BOb V.

--- bolidechaser_at_yahoo.com wrote:
>
> Steve has raised a very good question.
>
> In a personal communication with Paul Warren of
> UCLA, he explained to me the reason that we have
> martian and lunar meteorites, but not "terrestrial
> meteorites", is because of the larger size/gravity
> of Earth, and the energy necessary to reach escape
> velocity is more than enough to, if not vaporize any
> ejecta, at least melt it all and solidify as a glass
> (read tektite).
>
> So, either tektites are incapable of going into
> orbit because the energy required is prohibitively
> too great, or some tekties have the possibilty of
> becoming, by definition, meteorites.
>
> BOb V.


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Received on Mon 12 Nov 2001 03:19:46 PM PST