Space/Science — HabitableZone

Space/Science » in reply to re: Mazatlal rock--my $0.02c worth

right side grind?

Before: http://marsrovers.jpl.nasa.gov/gallery/all/2/p/081/2P133549800EFF2232P2588L2M1.HTML

http://marsrovers.jpl.nasa.gov/gallery/all/2/p/081/2P133549800EFF2232P2588L2M1-BR.JPG


After: http://marsrovers.jpl.nasa.gov/gallery/all/2/p/082/2P133638720EFF2232P2590L2M1.HTML

http://marsrovers.jpl.nasa.gov/gallery/all/2/p/082/2P133638720EFF2232P2590L2M1-BR.JPG


It would appear the Left side was brushed first. But there may be a complicated RAT history not revealed by the images.

BTW, Robert's spectral analysis showed that the left side, is still very blue. How far down does the blue go, I wonder. Is the color different in a cosmic radiation shadow? Just testing an idea. That's why I was talking about turning a rock over, it's what I would do if I was there, but the rovers would have a hard time doing this to even the smallest rock. To that end, I did a partial look through pancam raws to look for rocks turned over by the tires in the tracks. No luck so far.

Hope your travels are going well, Nick.

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