NASA provides first sounds of Martian winds
NASA’s InSight lander has provided the first ever sounds of Martian winds on the Red Planet.
InSight is just 10 days into its Mars mission, and captured the low rumbling sounds caused by wind vibrations using built-in sensors.
The two sensors are an air pressure sensor inside the lander and a seismometer sitting on the lander's deck, which is awaiting deployment from the craft.
It was the only phase of the mission that the seismometer was capable of detecting vibrations.
"Capturing this audio was an unplanned treat," said Bruce Banerdt, InSight principal investigator at NASA's Jet Propulsion Laboratory.
"But one of the things our mission is dedicated to is measuring motion on Mars, and naturally that includes motion caused by sound waves."
The wind was estimated to be blowing between 15-25km/h, and were consistent with the direction of dust devil streaks in the landing area.
An even clearer sound from Mars in anticipated to come in the next few years when NASA's Mars 2020 rover is scheduled to land with two microphones on board.
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