 |  What Sounds Captured by NASA’s Perseverance Rover Reveal About Mars
 5 April 2022
A new study based on recordings made by the rover finds that the speed of sound is
slower on the Red Planet than on Earth and that, mostly, a deep silence prevails. Listen
closely to sounds from Mars, recorded by NASA’s Perseverance: the rover’s mechanical
whine and click in a light Martian wind; the whir of rotors on Ingenuity, the Mars
helicopter; the crackling strike of a rock-zapping laser. An international team of scientists
has done just that, performing the first analysis.
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