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Home›Collect data›Now you can hear what your voice would sound like on Mars

Now you can hear what your voice would sound like on Mars

By Ed Robertson
March 25, 2022
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In space, people actually can hear you scream (or sing), it turns out.

Groundbreaking data collected by NASA’s Perseverance rover is able to replicate the sound of people on Mars compared to Earth.

The space agency even has an online tool that allows Earthlings to simulate their sound on the Red Planet from inside our homes.

That’s right: you can drop your own Mars bars into an interstellar karaoke round.

To use it, simply go to the Sounds of Mars section on NASA’s website, navigate to the “You on Mars” tab, and then “click and hold the button to record your greeting,” according to the site.

Finally, upload the audio file to hear the sound of your voice on Mars. Having tested the feature ourselves, The Post can safely say that those tin cans we talked into as a kid to replicate ‘Martian talk’ weren’t too far off.

NASA has an online tool that allows Earthlings to simulate how we would sound on the Red Planet from inside our homes.
Nasa

“If you were standing on Mars, you would hear a quieter, more muffled version of what you would hear on Earth, and you would wait a little longer to hear it,” NASA wrote on its site. “Some sounds we’re used to on Earth, like whistles, bells or birdsong, would be almost inaudible on Mars.”

The results were part of a groundbreaking study that calculated the speed of sound on the Red Planet.

To measure the speed of sound on the planet, the Perseverance rover fired a laser at a rock and recorded the sound it made on impact, according to results unveiled at the 53rd Lunar and Planetary Science Conference .

Groundbreaking data collected by NASA’s Perseverance rover is able to replicate the sound of people on Mars compared to that on Earth.
Photo composite NY Post

The researchers then measured the firing time of the laser against that of the sound reaching the recording device and compared it to the sound data on the Earth’s surface. They measured the slower speed of sound on Mars at 540 mph, compared to 760 mph on our home planet. This discrepancy has been attributed to the fact that on Mars the atmosphere is “entirely different”, thus affecting the way we perceive sound.

And while we won’t be able to test our voices on Mars itself — at least not until at least 2026, anyway — wheelchair astronauts are also welcome to use the Sounds of Mars tool to test how to sound. Other earth noises would sound on the fourth rock from the sun. These include ocean waves, bicycle bells, city noises, the classic “Clair de Lune” piano number, and even Neil Armstrong’s iconic “One Small Step for Man” speech after its historic lunar landing.

That’s right, you can hear the sound of someone on the moon…on Mars.

“If you were standing on Mars, you would hear a quieter, more muffled version of what you would hear on Earth, and you would wait a little longer to hear it,” NASA wrote on its site.
Nasa

The site also offers various recordings that Perseverance has recovered during its investigative missions, including the droid driving, a laser that “zaps” a rock, and even a helicopter flying over the planet.

In general, most seemed quieter and more muffled than on Earth, which NASA attributed to the “very different temperature, density and chemistry” of the crimson space rock, the researchers wrote.

“The sound level you would hear would automatically be lower on Mars,” the findings continued. “The Martian atmosphere is about 100 times less dense than on Earth, that is to say, there is much less of it.

“Mars’ atmosphere, which is 96% carbon dioxide, would absorb a lot of high-pitched sounds, so only low-pitched sounds would travel long distances,” NASA concluded.

Additionally, sounds would take much longer to reach the ear due to the freezing Martian surface temperatures, which average around -81 F.

"The sound level you would hear would automatically be lower on Mars," wrote the researchers.
“The sound level you would hear would automatically be lower on Mars,” the researchers wrote.
Nasa

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