Cleaning solar modules with sand and wind, on Mars

NASA scientists have partially cleaned up the solar modules of the Insight lander operating on Mars, by using grain sands collected nearby and trickling them on the panels during the windiest time of the day. This handmade technique has made it possible, according to them, to increase the PV array's yield of about 30 watt-hours of energy per 'sol,' or Martian day.Insight is a robotic lander designed by the U.S. National Aeronautics and Space Administration and sent to Mars in 2018 to study the deep interior of The Red Planet. Since it started operating, at around 344 million kilometers from ...

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