MYSTERY SOUND ON MARS

I recently came across this entry on the Weather Channel web site, featuring a video that included a POV audio document of the Perseverance rover traversing the surface of Mars.

Along with the low-pitched clanking of the wheels and suspension, there’s a high-pitched grinding noise. As far as I can tell, no one knows what it is yet.

I found another version on YouTube:

There is clearly only one logical cause we can assume: ALIENS.

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