Days ahead of the Mars Perseverance rover’s landing on the red planet, the National Aeronautics and Space Administration (NASA) has given us an opportunity to hear the differences in the sounds of Earth and of Mars, the kind of sound recordings that the rover may send back on Earth.
Notably, the Perseverance rover is set to land on Mars on February 18, 2021.
According to the space agency, the rover carries a pair of microphones, which will provide interesting and historic audio of the arrival and landing at Mars, along with the sound of the rover at work and of wind and other ambient noise.
With a website named mars.nasa.gov, you can listen to what Mars may sound like. The web page, which includes audio clips of familiar Earth sounds, gives us an idea about how scientists anticipate the recordings would sound if one were hearing them on Mars.
The website contains the sound of birds chirping, the beeping of a truck backing up, a bicycle bell and music. NASA noted that the differences are subtle, but one can still distinguish Earth sounds from those of Mars. It also has the sound that the rover recorded in interplanetary space while cruising to Mars.
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According to NASA, Mars has an unusual atmosphere compared to Earth, with very different temperature, density, and chemistry. These differences have three main effects on the way sound works there.
Apart from the microphones, the rover will also collect stunning images and rock samples during its mission.