Using a laser to strike rocks and a built-in microphone, NASA’s Perseverance rover has measured modifications within the velocity of sound on Mars as a result of temperature affecting the ambiance
9 March 2022
The velocity of sound on Mars has been measured for the primary time utilizing microphones on NASA’s Perseverance rover.
Baptiste Chide at Los Alamos National Laboratory in New Mexico and his colleagues recorded sounds from the Mars’s Jezero crater final yr, comparable to a laser placing rocks, which generates a shockwave. They additionally captured the frequency shift of the Ingenuity helicopter’s blades because it moved by the Martian ambiance after launching from Perseverance.
The laser and microphone aboard Perseverance had been exactly synchronised, …