[meteorite-list] new vesta video

[lebofsky at lpl.arizona.edu]

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