[meteorite-list] Cosmos 96/Kecksburg-Venus Question

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From: Bernhard <rendelius_at_meteoritecentral.com>
Date: Thu Apr 22 10:28:34 2004
Message-ID: <000c01c398c5$03856940$0100a8c0_at_rpgdothome>

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I thought about the chances for meteorites from Venus or even Mercury a
couple of days ago, too. My conclusion (which isn't a scientific one,
just an educated guess): Venusian atmosphere is so dense that it will
slow down an impacting body considerably (reducing his energy) and slow
down ejecta as well (making it impossible to reach escape velocity).
With Mercury, I guess the sun will be the "big catcher" that will
collect all ejected material.

But once again, I am not a scientist :-)

Bernhard

-----Original Message-----
From: meteorite-list-admin_at_meteoritecentral.com
[mailto:meteorite-list-admin_at_meteoritecentral.com] On Behalf Of Howard
Wu
Sent: Wednesday, October 22, 2003 7:41 PM
To: meteorite-list_at_meteoritecentral.com
Subject: Re: [meteorite-list] Cosmos 96/Kecksburg-Venus Question

A little off the subject but was up early thinking about this. The
Russians did eventually land on Venus and got atmospheric isotope %.
Been reading about NWA011 age ~2GY? O isotopes seem wrong but the age
would be about right. Why probably ot that one, Venus still has activce
volcanos thus basaltic material. Theorectically how much more difficult
would it be for a Venusian to find it's way to earth? What would we
expect in a Venunsian basalt meteorite or why haven't any been
identified?

Howard Wu

Francis Graham <francisgraham_at_rocketmail.com> wrote:
>Interestingly, the
>spacecraft in question appears to have been a
>Venera lander (a mission to
>Venus) that failed to leave parking orbit. More
>info, including (highly
>critical) comments if this was the source of the
>Kecksburg bolide, can be
>found at:

Soooo... it now appears possible the USA has a
Venera lander. I wonder where all the stuff (including
the Upper Volta meteorite mentioned in the earlier
NASA memo) is?
For that matter, I wonder where Clarence Caldwell's
airplanes are?
Clarence Caldwell was a aviation experimenter that
made airplanes with round wings in the 1930's. Nothing
dramatic, I am afraid, just standard piper-cub like
airplanes with round wings and propellers. No strange
powers.
Nonetheless, when the UFO controversy broke out, in
the late 1940's, the USAF sent a ! black bag team and
got his airplanes out of a tobacco curing shed he left
them in years before. This was mistakenly publicized
by the local police chief in local papers near Glen
Burnie, MD.
The airplanes were carted off to--where? What
became of them? They would be good for a local
aviation history museum. But that is off topic, except
by comparison to the Kecksburg "meteorite" case, so I
go no further.
Francis Graham

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I
thought about the chances for meteorites from Venus or even Mercury a =
couple of
days ago, too. My conclusion (which isn’t a scientific one, just =
an
educated guess): Venusian atmosphere is so dense that it will slow down =
an
impacting body considerably (reducing his energy) and slow down ejecta =
as well
(making it impossible to reach escape velocity). With Mercury, I guess =
the sun
will be the “big catcher” that will collect all ejected =
material.<o:p></o:p>

<o:p> </o:p>

But
once again, I am not a scientist <span lang=3DEN-GB =
style=3D'font-size:10.0pt;font-family:Wingdings;
mso-ascii-font-family:Arial;mso-hansi-font-family:Arial;mso-bidi-font-fam=
ily:
Arial;color:navy;mso-ansi-language:EN-GB;mso-char-type:symbol;mso-symbol-=
font-family:
Wingdings'>J<=
/span><o:p></o:p><=
/font>

<o:p> </o:p>

Bernhard<o:p></o:p>

<o:p> </o:p>

-----O=
riginal
Message----- 
From:
meteorite-list-admin_at_meteoritecentral.com
[mailto:meteorite-list-admin_at_meteoritecentral.com] On Behalf Of Howard Wu 
Sent: Wednesday, October =
22, 2003
7:41 PM 
To:
meteorite-list_at_meteoritecentral.com 
Subject: Re: =
[meteorite-list]
Cosmos 96/Kecksburg-Venus Question

<o:p> </o:p>

<div>

A little off =
the subject
but was up early thinking about this. The Russians did eventually land =
on Venus
and got atmospheric isotope %.  Been reading about NWA011 age ~2GY? =
O
isotopes seem wrong but the age would be about right. Why probably ot =
that
one, Venus still has activce volcanos thus basaltic material. 
Theorectically how much more difficult would it be for a Venusian to =
find it's
way to earth? What would we expect in a Venunsian basalt meteorite =
or why
haven't any been identified? <o:p></o:p>

</div>

<div>

 <o:p></o:p>

</div>

<div>

Howard Wu 
 
Francis Graham
<francisgraham_at_rocketmail.com> =
wrote:<o:p></o:p>

</div>

<blockquote style=3D'border:none;border-left:solid #1010FF =
1.5pt;padding:0cm 0cm 0cm 4.0pt;
margin-left:3.75pt;margin-top:5.0pt;margin-bottom:5.0pt'>

>Interestingly, the 
>spacecraft in question appears to have been a 
>Venera lander (a mission to 
>Venus) that failed to leave parking orbit. More 
>info, including (highly 
>critical) comments if this was the source of the 
>Kecksburg bolide, can be 
>found at: 
 
Soooo... it now appears possible the USA has a 
Venera lander. I wonder where all the stuff (including 
the Upper Volta meteorite mentioned in the earlier 
NASA memo) is? 
For that matter, I wonder where Clarence Caldwell's 
airplanes are? 
Clarence Caldwell was a aviation experimenter that 
made airplanes with round wings in the 1930's. Nothing 
dramatic, I am afraid, just standard piper-cub like 
airplanes with round wings and propellers. No strange 
powers. 
Nonetheless, when the UFO controversy broke out, in 
the late 1940's, the USAF sent a ! black bag team and 
got his airplanes out of a tobacco curing shed he left 
them in years before. This was mistakenly publicized 
by the local police chief in local papers near Glen 
Burnie, MD. 
The airplanes were carted off to--where? What 
became of them? They would be good for a local 
aviation history museum. But that is off topic, except 
by comparison to the Kecksburg "meteorite" case, so I 
go no further. 
Francis Graham 
 
 
__________________________________ 
Do you Yahoo!? 
The New Yahoo! Shopping - with improved product search 
http://shopping.yahoo.com 
 
______________________________________________ 
Meteorite-list mailing list 
Meteorite-list_at_meteoritecentral.com 
http://www.pairlist.net/mailman/listinfo/meteorite-list<o:p></o:p>=


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</div>

Want to chat instantly with =
your
online friends? <a
href=3D"http://uk.rd.yahoo.com/mail/tagline_messenger/*http:/uk.messenger=
.yahoo.com/">Get the FREE Yaho! o! =
Messenger</a><o:p></o:p>

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Received on Wed 22 Oct 2003 01:50:37 PM PDT

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