NASA's Perseverance rover listens in the thin Martian atmosphere
Berlin, Germany (SPX) Apr 04, 2022
Mars has a very thin atmosphere, which at the surface has a density approximately one percent that of Earth's. Until recently, it was unclear whether there is anything to hear in the barren landscape there and if it is even possible for sound to be recorded under these conditions. When NASA's Perseverance Mars rover landed on the Red Planet on 18 February 2021, it was carrying two microphones.
