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Originally posted by rawsom
Some natural phenomena keeps cleaning those solar arrays. Or little green men like to keep things clean and tidy.
Dust devils and winds continue to clean the rovers today and are one of the primary reasons the rovers have been able to last so much longer than planned.
Originally posted by The Undertaker
What's the point? What I mean is, why bring these two rovers into close proximity?
Originally posted by jra
reply to post by rawsom
No where in that article did I see them talking about the two rovers meeting. Beside, I don't think it would be possible to do that. They are on opposite sides of Mars and there top speed is 5 centimeters (2 inches) per second on a hard flat surface. Good luck getting them to meet in our life time