The noise is of the wind blowing against InSight’s solar panels and the resulting vibration of the entire spacecraft. . https://www.heraldscotland.com/news/17285130.nasa-lander-captures-first-sounds-of-martian-wind/

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The noise is of the wind blowing against InSight’s solar panels and the resulting vibration of the entire spacecraft. . https://www.heraldscotland.com/news/17285130.nasa-lander-captures-first-sounds-of-martian-wind/