Submitted by PhyneasPhysicsPhrog t3_zt4amj in space
pmMeAllofIt t1_j1g4qih wrote
Reply to comment by KochibaMasatoshi in Northrop Grumman clears key hurdle for space-based solar power by PhyneasPhysicsPhrog
It's a lot of added weight. The solar array is a thin film that gets fanned out. To add a whiper brush would add a lot of weight, and would need different design array that is rigid enough to be brushed.
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