[meteorite-list] new vesta video

[David R Childs]

I would go for 'compression' as a result of a really large impact causing 
the grooves.  We know there are remnants of a large impact crater that are 
visible.

David R Childs

----- Original Message ----- 
From: <lebofsky at lpl.arizona.edu>
To: "Richard Montgomery" <rickmont at earthlink.net>
Cc: "meteoritelist" <meteorite-list at meteoritecentral.com>
Sent: Wednesday, September 21, 2011 1:21 PM
Subject: Re: [meteorite-list] new vesta video


> Richard:
>
> The depression is an impact feature, by far the largest relavtive to the
> size of the body it hit (Vesta). It is possible that the grooves are
> related to this impact (just a guess).
>
> Larry
>
>> Howdy List,
>>
>> While the 'big depression' on the Vestan south pole has been a major
>> focus...what about those wild grooves???
>>
>> I see visions of a spinning Vesta grinding against another twin, gouging
>> grooves in a dance....a low gravity parlay perhaps analogous to a
>> high-school bump and grind, the two spinning against each other....which
>> begs the obvious question:  where is the partner in grind??
>>
>> Should we not expect to eventually find trailing remnants of both in 
>> those
>> tell-tale grooves?
>>
>> -Richard Montgomery
>>
>>
>>
>>
>> ----- Original Message -----
>> From: <lebofsky at lpl.arizona.edu>
>> To: "Mike Hankey" <mike.hankey at gmail.com>
>> Cc: "meteoritelist" <meteorite-list at meteoritecentral.com>
>> Sent: Tuesday, September 20, 2011 12:54 PM
>> Subject: Re: [meteorite-list] new vesta video
>>
>>
>>> Hi Mike:
>>>
>>> I assume that you meant to say slick (hope that I am not putting words
>>> in
>>> your mouth).
>>>
>>> I have played this video several times and it is clear how much can be
>>> said about Vesta by the narrator without giving any scientific
>>> interpretation of it! I realize that there is always the mandate that
>>> little is said without an official press release or the published papers
>>> with the first results, but to say only that there is a "depression" at
>>> the south pole, a huge crater (known for many years) and probably the
>>> main
>>> source of most HED meteorites, leaves one wanting for at least some
>>> interpretation of what one is seeing.
>>>
>>> Larry
>>>
>>>> i didn't see this posted to the list yet. pretty sick video.
>>>>
>>>> http://www.space.com/12998-asteroid-vesta-video-nasa-dawn-spacecraft.html
>
>
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