'At some point, we thought the microphone was broken, it was so quiet,' said the lead author of the study/
The unique sound environment is due to the incredibly low atmospheric surface pressure. Mars' pressure is 170 times lower than Earth's pressure. For example, if a high-pitched sound travels 213 feet on Earth, it will travel just 26 feet on Mars.
"We are entering a high-pressure season," co-author of the study Baptiste Chide said in the press release."Maybe the acoustic environment on Mars will be less quiet than it was when we landed."it the first time sounds from a foreign planet had ever been captured. Thomas Zurbuchen, associate administrator for NASA's Science Mission Directorate, said at the time the recordings are"the closest you can get to landing on Mars without putting on a pressure suit."
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