"Meteorite Mailing List"
Sent: Friday, September 22, 2006 11:06 AM
Subject: Re: [meteorite-list] COMETS AND CARBONACEOUS CHONDRITES
There are no "known" samples of cometary material.
Don't forget we have samples of Comet Wild 2
collected by Stardust!
Ron Baalke
_
> There are no "known" samples of cometary material.
Don't forget we have samples of Comet Wild 2
collected by Stardust!
Ron Baalke
__
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Hi Doug:
Tell this to the astronauts in their space suits.
I wish I still had access to my old thermal model programs so that I could
give you real answers, but I will do my best.
If you look up the surface temperture of the day side of the Moon, you get 107
degrees C. However, the "noon" temp
Hello Larry,
In the case of carbonaceous chondrites, I believe your inference that "Just
being in an orbit that takes them near the Earth would warm them up to 100 c
or so" is way too high, and that the right number in direct Sunlight hovers
around freezing (0 degrees C). There is that other rela
Hello Sterling, List,
Sterling, your summarizing our (still so fragmentary) knowledge on our
solar system in general and on the origin of carbonaceous chondrites in
particular, is very much appreciated.
I am not at all expert in cosmology, just, as a chemist, interested in the
constitution o
g,
"Where there's clay, there's water..."
Sterling K. Webb
--
- Original Message -
From: "Larry Lebofsky" <[EMAIL PROTECTED]>
To: "Sterling K. Webb" <[EMAIL PROTECTED]>
Cc: "E.P. Grondine" <[EMAIL PROTECTED]>;
Se
Hi Sterling:
Not a bad summary. However, do not know where you got the "heated above 50
absolute." Much too low. Just being in an orbit that takes them near the Earth
would warm them up to 100 c or so. Some clearly have not been heated much
above that, but at the same time, since they contain w
Hi, E.P.,
The truth is we really don't know what comets
and asteroids actually are, or whether there's a real
distinction between them, or if they are just keywords
derived (mistakenly) from the two extremes of a
continuous spectrum of bodies with every intermediate
state fully represented.
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