Can anyone explain the sound in the clip? So Mars atmosphere is different, making sound travel different? But the weird echo and metallic muffle, what explains that - why would the machine be particular noisy?
> According to the Chinese space agency CNSA, the sounds are caused by the interaction of different metal parts.
In the video, they also quote the person leading the Mars programme:
> The sound is made by wheels rotating on the surface of the Mars rover. Basically, the sound of different metal objects bumping into each other.
[1] https://nos.nl/artikel/2386872-chinese-marsrover-stuurt-nieu...
What I'd like to know is, is this actually how it sounded there, or are we mostly hearing compression artifacts?
This page has some simulations: