[meteorite-list] A question????? -an answer!!!

From: Jason Utas <meteoritekid_at_meteoritecentral.com>
Date: Thu, 4 Jun 2009 23:11:31 -0700
Message-ID: <93aaac890906042311h66ec048cne4e3422542b3e9cb_at_mail.gmail.com>

Of course, if anyone here is familiar with Tintin (in particular,
"Tintin and The Shooting Star"), one knows that the elements in at
least some meteorites can create such beasts...

http://farm1.static.flickr.com/3/4224425_e9c3ce4f4e.jpg

On Thu, Jun 4, 2009 at 10:52 PM, Mexicodoug<mexicodoug at aim.com> wrote:
> Pete wrote:
>
> "can a meteorite?hit earth and eject debris which (maybe) land on the
> moon?or Mars? What would we call such a meteorite---Earthoid,?or maybe
> Earthite?"
>
> Hi Pete,
>
> Generally the splashed and splattered material from a meteoroid impact on
> earth are called "Tektites", or if it was from the biggest impact they are
> called the "Moon". Tektites are thought to be formed from the largest
> collisions and are so far from escaping the gravitational domination of the
> earth, that, if Earth were a grapefruit size, most of the tektites the list
> is familiar with have the escape velocity of an acrobatic ant jumping at
> most a few millimeters high.
>
> Technically, the Moon is the only known Earthoid.
>
> Most of us are skeptical about a reverse path plausibility to not only
> survive the initially viscous path out of the atmosphere, but then also
> beyond the reach of Earth's primary gravitational dominance. once you look
> at the seemingly impossible physics (few things in nature are outright
> impossible, but even Clinton would have a harder time arguing most of them
> than against, say, good DNA testing results).
>
> The Moon is a good clue to the answer to your question. It has 27% of the
> Earth's diameter (though under 2% of the mass). That was a big impact,
> supposedly from a Mars sized planetoid! Yet, all the material is assumed to
> have stayed on Earth or within its grasp (forming the Moon).
>
> Wh
> at I'm getting at is the answer to your question is no one knows, and it is
> well covered in the archives since this question comes up at least once a
> year. That is why tried to give a different slant on the answer this time so
> the old timers aren't bored out of their mind.
>
> Let me leave you with this fine research question:
> So, how much material, if any, could have been ejected from the collision
> that created the Earth-Moon system as a result? That would be an olympic
> jumping spider!
>
> Best wishes,
> Doug
>
>
>
> -----Original Message-----
> From: Pete Shugar at clearwire.net <pshugar at clearwire.net>
> To: meteorite-list at meteoritecentral.com
> Sent: Thu, 4 Jun 2009 11:02 pm
> Subject: [meteorite-list] A question?????
>
>
> We have the Martian type meteorite, and we have the
> Lunar meteorite and last, the asteroid 4Vesta meteorite.
> These we know where they come from.
>
> Now the question---given enough energy, can a meteorite
> hit earth and eject debris which (maybe) land on the moon
> or Mars? What would we call such a meteorite---Earthoid,
> or maybe Earthite?
> Just contemplating my navel here.
> Pete
>
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Received on Fri 05 Jun 2009 02:11:31 AM PDT