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Perseverance rover picks up sound of Ingenuity flying on Mars

bySidra Butt
May 8, 2021
in New, Technology, World
Reading Time: 2 mins read
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NASA’s Perseverance rover has for the first time captured the low-pitched whirring of the Ingenuity helicopter’s blades as it flies through the rarefied Martian atmosphere.

The space agency on Friday released new footage shot by the six-wheeled robot of its rotorcraft companion making its fourth flight on April 30 — this time accompanied by an audio track.

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🔊🔴 New sounds from Mars: Our @NASAPersevere rover caught the beats coming from our Ingenuity #MarsHelicopter! This marks the first time a spacecraft on another planet has recorded the sounds of a separate spacecraft.

🎧🚁 Turn the volume up: https://t.co/o7zG6mQJzx pic.twitter.com/s8Hm3dhcgg

— NASA (@NASA) May 7, 2021

he nearly three-minute-long video begins with the low rumble of wind blowing across the Jezero Crater, where Perseverance landed in February on a mission to search for signs of ancient microbes.

Ingenuity takes off, and its blades can be heard humming softly as they spin at nearly 2,400 rpm on the 872-foot (262-meter) roundtrip.

The mission’s engineers weren’t sure they would pick up the flight sound at all, given that Perseverance was parked 262 feet (80 meters) away from the takeoff and landing spot.

The Martian atmosphere is about one percent the density of our planet’s, making everything much quieter than on Earth.

“This is a very good surprise,” said David Mimoun, a professor of planetary science at Institut Superieur de l’Aeronautique et de l’Espace (ISAE-SUPAERO) in Toulouse, France, and science lead for the SuperCam Mars microphone.

“We had carried out tests and simulations that told us the microphone would barely pick up the sounds of the helicopter, as the Mars atmosphere damps the sound propagation strongly,” he added.

Tags: IngenuityMarsPerseveranceRotorcraftSpace Station
Sidra Butt

Sidra Butt

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