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/ > > > > > >