NASA's Mars rover captures 1st ever sound of dust devil
A NASA rover on Mars by chance had its microphone on when a whirling tower of red dust passed overhead last year and caught the sound. Scientists released the first-of-its-kind audio Tuesday. The 10-second clip includes not only rumbling gusts of up to 25 mph, but the pinging of hundreds of dust particles against the rover. It sounds a lot like dust devils on Earth, just quieter. That's because Mars' thin atmosphere makes for more muted sounds and less forceful wind.
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