
At 23:18:52 UTC the Mastcam Right has captured this portion of Martian soil just below the ridge of stratified rocks.
You can clearly see several flows springing from the edges of the visible rocks, flows clearly distinguishable both by the visible relief in the soil and by the different coloration!
I doubt that anyone would want to venture into explanations that don’t involve the presence of liquid water, but if so be prepared to answer these questions:
1) Why do these landslides always originate from rock formations?
2) Why do they always appear darker than the surrounding terrain?
3) What determines all this variety of colors
4) Why are they only observed during warmer periods?
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 noise reduction 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.
Original image: https://mars.jpl.nasa.gov/msl-raw-images/msss/02684/mcam/2684MR0140500010604741C00_DXXX.jpg
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