Recent water activity?

Recent water activity?
Recent water activity? Have some martian mid-latitude gullies been active in this decade? This is an example from Naruko Crater (36.6 °S, 161.8°W) imaged by Mars Global Surveyor's MOC in 2001 and 2005. The light-toned feature appeared during the interval between the two images. The picture on the right is a sub-frame of MOC image E11-03412, the picture on the left is a mosaic of sub-frames of MOC Images S09-02603 and S10-01184. NASA / JPL-Caltech / MSSS

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