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The Top of Vera Rubin Ridge, Site 66-, sol 1812-, 11 Sep 2017-
paraisosdelsiste...
post Yesterday, 10:16 AM
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Hope this angle clarifies better than it is a groove, and not a ridge smile.gif
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atomoid
post Yesterday, 06:53 PM
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one optical illusion down, and the tricks continue on sol1934: now you see it and now you dont, time for a treasure hunt!
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algorithm
post Yesterday, 07:09 PM
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I found Wally!!!!

See bottom of this image.

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Phil Stooke
post Yesterday, 08:51 PM
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In this image:

http://www.midnightplanets.com/web/MSL/ima...53C00_DXXX.html

there is a central pit surrounded by a circular groove. The cast shadows show light is coming from the right side.

The pit is made by that central pin, which this time pressed down hard enough to make a mark in soft rock. The circular groove is made by a small off-centre clump of protruding bristles, like last time. A mark made by the central pin has been seen before, and sometimes people have misinterpreted it as made by the clump of bristles, but they are off-centre and will not make such a small mark.

Phil


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... because the Solar System ain't gonna map itself.
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atomoid
post Yesterday, 09:46 PM
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small off-center clump of twisted-up bristles sol1931 and the side view, so wow that circular groove sol1933 really is correspondingly tiny, i'm always overestimating the size of these images, the circle is not several cm, but mm across. i was interpreting the twisted clump to be caused by the brush hitting up against the lip next to the circle but it seems to have been there sols earlier.
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