"It's like InSight is cupping its ears and hearing the Mars wind beating on it", he said. The wind was estimated to be blowing 10 to 15 miles per hour from northwest to southeast, which matched the direction of dust devil streaks observed from another NASA spacecraft in orbit.
The sound of the wind is similar to what wind, or maybe crashing waves, would sound like on Earth. NASA Administrator, Jim Bridenstine, shared a video about the new audio to Twitter Friday. The air pressure sensor detected the air vibrations directly while the seismometer recorded vibrations caused by the Martian wind blowing across InSight's solar panels.
InSight's seismometer and another sensor picked up the noise, and it was not planned.
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'The solar panels on the lander's sides are flawless acoustic receivers, ' Prof Pike said. NASA recommends using headphones or a subwoofer because the pitch is quite low.
These vibrations were detected by an ultra-sensitive seismometer developed in the United Kingdom and an air pressure sensor sitting on the lander's deck. We provide the original audio and a version pitched up by two octaves to make them audible on mobile devices. "But one of the things our mission is dedicated to is measuring motion on Mars, and naturally, that includes motion caused by sound waves", said Bruce Banerdt, the principal investigator.
InSight's solar panels appear in this image from Mars on December 7.