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Electrical Activity on Mars
December 6 , 2025
16 hrs 0 min
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- The Perseverance rover of NASA has detected tiny electrical discharges called mini lightning in Mars atmosphere during whirlwinds and dust storms.
- Scientists documented 55 such discharges over two Martian years.
- The discharges are believed to arise from the triboelectric effect when dust or sand particles rub together, build up static charge, and then release it as electrical sparks.
- The sparks cause static noise and sometimes faint shock waves called mini sonic booms when dust whirlwinds pass close to the rover.
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