The Martian dust devil sounds quieter than the ones on Earth, since the thin atmosphere makes for more muted sounds and less forceful wind, researchers say.
CAPE CANAVERAL, Fla. — What’s a dust devil sound like on Mars? A NASA rover by chance had its microphone on when a whirling tower of red dust passed directly overhead, recording the racket.
The dust devil came and went over Perseverance quickly last year, thus the short length of the audio, said the University of Toulouse’s Naomi Murdoch, lead author of the study appearing in Nature Communications. At the same time, the navigation camera on the parked rover captured images, while its weather-monitoring instrument collected data.
The microphone picked up 308 dust pings as the dust devil whipped by, said Murdoch, who helped build it.
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