These photos are really extremely very different from their originals. If the colors were changed by "scientific point of view", they changed a sharp, contrast rich photo into a blurry, contrast poor picture. They seem to have temperately altered the colors to make Mars look inhospitable and dusty. The real version by Laney is so detailed, that you can see a fantastic pile of rocks: I think that,There might be several reasons. Maybe this anomaly on Mars has something to do with it:
