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Perseverance rover detected 55 mini lightning events on Mars, likely from dust storm static, in first direct evidence of electrical activity on the planet.
NASA’s Perseverance rover has detected 55 brief electrical discharges, or "mini lightning," on Mars, likely caused by static buildup from dust particles swirling in dust devils and storms.
The signals, captured by the rover’s microphone over two Martian years, were accompanied by shockwaves and resemble static sparks, confirming long-held theories about electrical activity in Mars’ dusty, thin atmosphere.
Though invisible in daylight, the discharges could pose risks to future robotic and human missions, potentially contributing to past failures like the Soviet Mars 3 lander.
The findings, published in Nature, represent the first in-situ evidence of such activity, though some scientists caution that confirmation awaits dedicated instruments.
El rover Perseverance detectó 55 mini eventos de rayos en Marte, probablemente debido a tormentas de polvo estáticas, en la primera evidencia directa de actividad eléctrica en el planeta.