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paul_is_on_reddit t1_j0vd064 wrote

Ok. Why wasn't the probe designed in such a way so that the dust could get cleaned off of the solar panels? I mean, it's loaded with scientific gadgets and such, why couldn't they make some sort of small brush to clean the dust off the panels?

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SheeEttin t1_j0vqwsr wrote

They don't need to. Passing winds are more effective than a brush.

Adding all the mechanics necessary to run a brush takes up more development time, space, weight, and power for not much benefit.

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