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That's another question. Wasn't there a strange occurrence with the viking lander when it got mysteriously cleaned up one day? I'm sure the explanation was a high wind that blew the rubble off but some folk think the martians did it.
Originally posted by Xiamen
one thing that does get me though. If there is so much dust flying around how does the viking lander stay so clean and operational? I would think dust would crud up the gears and instruments also.