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At 14:28:17 UTC the Mastcam Right has taken in detail the trace impressed on the sand by one of the wheels of Curiosity.
The contours are poorly defined, unlike other cases where instead they were extremely clear, probably because here the sand is extremely dry, at least on the surface.
You can clearly see how just below the first surface layer the sand appears darker and bluish.
In this case, the technicians of Curiosity have decided to deepen the chemical analysis using the laser spectrometer of ChemCam, producing that row of holes that start from the inside of the track and arrive until beyond the outer edge of the same.
The original image is a black and white encoding of the Bayer mask that has been converted to color through a process called “debayering” or “demosaicing”. In addition, the photo has undergone a reduction in noise due to Jpeg compression, white balance and a slight increase in microcontrast and color saturation in order to make the colors more similar to what the human eye would see.

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