From: root@mauve.demon.co.uk   
      
   Rodrigo Cunha  wrote:   
   > groutch wrote:   
   >> I was wondering why NASA accepts a shortened life for the Mars Rovers   
   >> due to "dust build-up on the solar panels".   
   >>   
   >> Is cleaning them beyond their rocket scientists ?   
   >   
   > I wouldn't bother too much with dust...   
   >   
   > In Mars the wind will clean the dust, so there will never be too much on   
      
   > Presuming no other major failures occur I predict the rovers will never   
   > fail dues to dust and will work for years.   
      
   Unfortunately, you seem unlikely to be right.   
   Look at the data from Mars Pathfinder.   
   The dust accumulates, and does not blow off.   
      
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