Yes, there are three white blobs including a thin one on the right
which seems to grow from nowhere between the photos.

Terry

On Mon, Sep 1, 2008 at 6:19 AM, Horace Heffner <[EMAIL PROTECTED]> wrote:
>
> On Aug 31, 2008, at 4:07 PM, Terry Blanton wrote:
>
>> This reminds me of how GA red clay, when saturated with water, would
>> have ice columns grow during the freezing night and lift a layer of
>> clay.  The little white column growing on the right looks just like
>> one of those ice columns.
>>
>> Terry
>
> The microscope stage is a solid surface. If something saturated with water
> is on it then it arrived in the form of dust. However, anything that remains
> there 25 days is definitely not water saturated clay, because at that low
> pressure it would sublimate quickly.  The second photo was taken at 17:21
> local time, long after any daily frost would have gone, be it water or CO2.
>
> I'm not sure which is the white "column" to which you refer.  Is it the
> white stuff in the clip below?
>
>
>
>
>
>
> Looking at the first photo,
>
> http://phoenix.lpl.arizona.edu/images/gallery/lg_17626.jpg
>
> the width of the large white spot is about 7 pixels.  At 3.91 microns/pixel,
> that's 27.4 microns, or 2.74x10^-5 m, or about a thousandth of an inch wide.
>  That is a very small dot.  The diameter of a human hair ranges from 17 to
> 181 microns.
>
>
> Best regards,
>
> Horace Heffner
> http://www.mtaonline.net/~hheffner/
>
>
>
>
>
>

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