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‘Grinding and squealing’: Mars rover sends back sounds of driving

Perseverance — the biggest, most advanced rover ever sent to Mars — landed near an ancient river delta on February 18 to search for signs of past life. Samples will be taken from the most promising rocks for eventual return to Earth.
Wheel tread marks are left in the soil of Jezero Crater on Mars byNASA's Mars rover Perseverance.(Via REUTERS)
Published on Mar 18, 2021 10:50 AM IST
AP |

NASA’s newest Mars rover has sent back the first-ever sounds of driving on the red planet — a grinding, clanking, banging affair that by Earth standards would be pretty worrisome.

The noises made by Perseverance's six metal wheels and suspension on the first test drive two weeks ago are part of a 16-minute raw audio feed released Wednesday by Jet Propulsion Laboratory in Pasadena, California.

“If I heard these sounds driving my car, I’d pull over and call for a tow,” Dave Gruel, an engineer on the rover team, said in a written NASA statement. “But if you take a minute to consider what you’re hearing and where it was recorded, it makes perfect sense.”

Perseverance — the biggest, most advanced rover ever sent to Mars — landed near an ancient river delta on February 18 to search for signs of past life. Samples will be taken from the most promising rocks for eventual return to Earth.

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The rover carries two microphones. One already has captured the sounds of wind and rock-zapping lasers, the other was meant to record the descent and landing. This second mike didn't pick up any sounds of the rover's arrival at Mars, but managed to record the first test drive March 4.

The driving audio contains a unexpected high-pitched scratching noise, according to NASA. Engineers are trying to figure it out.

Before it starts drilling into rocks for core samples, Perseverance will drop off an experimental tag-along helicopter, named Ingenuity. The helicopter will attempt the first powered, controlled flight on another planet sometime next month.

Nasa also took to official Twitter profile created to shared information about NASA's Perseverance Mars Rover to share the video:

Since being shared, the video has gathered more than 4.1 lakh views. It has also accumulated tons of comments from people.

"How does the atmosphere affect the sound you are recording?" asked a Twitter user. To which, this reply was shared:

"It sounds like an old rusty wheelbarrow, was expecting more gravelly/crunchy sound," expressed another. "That is so beautiful," said a third.

What are your thoughts on the video?

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