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In a study published on Friday in the journal Nature, researchers said they determined the Red Planet's thin carbon dioxide atmosphere causes sound to travel slower on Mars, with a sound's pitch further affecting its speed. On Earth, sound typically travels at 767 miles per hour. But on Mars, scientists determined that low-pitched travel at approximately 537 miles per hour, while high-pitched ones move at about 559 miles per hour.
https://www.engadget.com/nasa-mars-perseverance-sounds-travel-200938830.html