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.
It's about 10 seconds of not only rumbling gusts of up to 25 mph , but the pinging of hundreds of dust particles against the rover Perseverance. ScientistsIt sounds strikingly similar to dust devils on Earth, although quieter since Mars' thin atmosphere makes for more muted sounds and less forceful wind, according to the researchers.
“It was fully caught red-handed by Persy,” said co-author German Martinez of the Lunar and Planetary Institute in Houston. The microphone picked up 308 dust pings as the dust devil whipped by, said Murdoch, who helped build it. Of the 84 minutes collected in its first year, there's “only one dust devil recording,” she wrote in an email from France.
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