Blue Fans
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by GraeSaint
There seems to be two type of fans in this image large blueish fans and smaller dark fans. I understand the colours are not always actual. should I mark both and I would be interested to know what caused the original fans to turn the different colour. Thanks
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by Portyankina scientist
Blue and green colors in HiRISE are usually caused by fresh frost (assuming there is no camera fault).
Anya
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