According to NASA, the wind that the sensor captured was estimated to be blowing at about 10 to 15 miles per hour from northwest to southwest.
The MarCO CubeSats of NASA broadcast the touching down of the InSight loud and clear from the Red Planet, proving that tiny satellites can endure the tour into deep space.
The InSight team hadn't planned on capturing the wind sounds, calling it an "unplanned treat". In the near future, InSight will place the seismometer tool used to detect the vibrations on the planet's surface. "The seismometer recorded lander vibrations caused by the wind moving over the spacecraft's solar panels". As noted, the sounds are generally easier to hear if you have a subwoofer attached to your computer or listen through headphones. But the video also raises the audio two octaves to make it easier to hear. An internal air pressure sensor whose job it is to collect meteorological data, recorded the air vibrations directly.
Tom Spike, a scientist who is also working behind the project, explained that InSight is the first Martian probe that can detect in frequencies that human ears can hear. These are the first sounds from Mars that are detectable by human ears, according to the researchers.
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'The solar panels on the lander's sides are ideal acoustic receivers, ' Prof Pike said.
The noise is of the wind blowing against InSight's solar panels and the resulting vibration of the entire spacecraft. A rock can be seen near the lower edge of the picture, near a footpad visible at lower right corner. The lander will also measure the tectonic activity and meteorite impacts on Mars.
There are more scheduled recordings to come from the surface of Mars.
InSight is part of Nasa's Discovery Program which is managed by the space agency's Marshall Space Flight Center in Huntsville, Alabama. A second will be able to detect the sound of the instrument's laser as it zaps different materials.