Nature, Published online: 04 April 2022; doi:10.1038/d41586-022-00904-y

For the first time, audible sounds have been recorded at the surface of Mars by two microphones aboard NASA’s Perseverance rover. Recordings across frequencies of 20 hertz to 20 kilohertz and above reveal the dynamics of the planet’s atmosphere and the distinctive sound-propagation properties of an atmosphere dominated by carbon dioxide.

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