ScienceStudy finds Mars has different music taste than Earth

Study finds Mars has different music taste than Earth

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Study finds Mars has different music taste than Earth

If you want to sing on Mars, you will have to shout
For the first time from the Martian world Scientists conducted an acoustic analysis of sound coming and recorded by microphones on the Preservation rover, these sounds provide an insight into the silent mars.
As rovers and a tiny helicopter explores Mars, trying to figure out how the planet grew and if ever life survived on this isolated world, a new study finds why deep silence prevails on the Red Planet. Analysis of sound recordings shows that the speed of sound is slower on the Red Planet than on Earth. The sounds of Mars were recorded by the Determination rover trundling in the Jazero crater.

The rover recorded its mechanical whining and ticks in the light Martian wind, the whirs of rotors on Ingenuity, the Mars helicopter, the crackling strike of a rock-zapping laser on the Red Planet. Scientists have now performed the first of its kind acoustic analysis of these sounds coming from Mars, revealing how fast sound travels through the extremely thin, mostly carbon dioxide atmosphere.

The study published in the journal Nature offers a new method for engineers and planetary scientists to use audio recordings to probe subtle air-pressure changes in another world. “It’s a new sense of investigation we’ve never used before on Mars. I expect many discoveries to come, using the atmosphere as a source of sound and the medium of propagation,” Sylvestre Maurice, an astrophysicist at the University of Toulouse, lead author of the paper said.

WHAT DID PERSEVERANCE HEAR ON MARS?

Mars has a different music taste than the earth

The Perseverance rover has been in the isolated ecosphere for over a year now, raising samples from the surface to be returned to Earth in the future. Equipped with microphones, one on SuperCam, mounted on the head of the rover’s end and the other on the frames of the rover, it heard the mechanical clicks, pings, and even sounds of dust devils that blow on the planet.

The Jet Propulsion Laboratory, that drives the rover on Mars, said that the microphone also reveals before unobserved pressure variations produced by turbulence in the Martian atmosphere as its energy changes at tiny scales.

The sound team also studied the acoustics coming from the humming of the helicopter at 2,500 revolutions per minute. The helicopter produced a distinctive, low-pitched sound at 84 hertz, an acoustic measure of vibrations per second, and the rotation rate for both rotors.
Researchers found that on Earth, sounds typically travel at 343 meters per second. But on Mars, low-pitched echoes travel at about 240 meters per second, while higher-pitched sounds move at 250 meters per second. The variable sound speeds on the Red Planet are an effect of the thin, cold, carbon-dioxide atmosphere.

Scientists also noticed that due to this thin atmosphere, sounds carry only a short distance, and higher-pitched tones carry hardly at all. On Earth, sound might drop off after about 65 meters, on Mars, it falters at just 8 meters, with high-pitched sounds being lost completely at that distance.

MARS IS HAUNTINGLY QUIET

Mars has a different music taste than the earth

When the microphones initially began listening to notes on mars. Mars, engineers thought that the equipment had been broken. Thanks to the exciting quiet on the Red Planet. Sylvestre Maurice said that one of the foremost most striking features of the sound recordings is the silence that seems to prevail on Mars.
“At some point, we believed the microphone was broken, it was so quiet,” he added. Scientists said that this quiet is due to low atmospheric pressure on the planet. However, it changes with the seasons. Researchers are hopeful that with Autumn approaching, the Red Planet will become noisier and supply even more insights into its otherworldly air and weather.
“We are entering a high-pressure season. Maybe the acoustic atmosphere on Mars will be less quiet than it was when we landed,” Baptiste Chide of Los Alamos National Laboratory, co-author of the study said.

Read as well https://www.hard2know.com/new-shape-wing-morphing-technology/

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