With the help of a microphone mounted on the SuperCam instrument, the Perseverance rover working in the Lake crater managed to record the sound that accompanied the passage of a dust vortex over it.
It was possible to calculate that the vortex was 25 meters across and 118 meters high. He was moving at a speed of 5.3 meters per second.
The sound of grains of sand hitting the rover made it possible to determine three dust waves inside the vortex. At the same time, the densest one turned out to be in its center, although usually the concentration of dust is lower in the heart of such vortices. Probably the reason is that this vortex was only nascent.