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profishingrods.com December 10, 2018


InSight Lander Sends the Sound of Wind on Mars

08 December 2018, 04:53 | Dale Webster

NASA’s In Sight spacecraft took a color-calibrated image of its robotic arm using its Instrument Deployment Camera on Dec. 4

View of robotic arm

The newest resident of the Red Planet, NASA's InSight, sent back audio of the vibrations caused by the wind on Mars.

It's been less than two weeks since InSight touched down on the surface of the Red Planet, but it is already sending back fantastic things for us to marvel at.

Less than two weeks into the InSight Mission, UK science is already uncovering incredible things about Mars.

The Instrument Deployment Camera aboard NASA's InSight lander took this photo of one of the lander's 7-foot (2.2 meters) wide solar panels. "But we know that everything is a little different for the lander on Mars, so faults are not unusual", Hoffman said.

The vibrations have been shifted up into the human audible range, and sped up so that we can make sense of them, but it really sounds like if you were sitting on the lander's deck, hearing the winds whistle by your ears!

The 1976 Viking landers on Mars picked up spacecraft shaking caused by wind, but it would be a stretch to consider it sound, said InSight's lead scientist, Bruce Banerdt, of JPL in Pasadena, California.




InSight's "sound" data is fascinating, but it's just a preview of grander NASA plans when it comes to audio from Mars.

InSight's solar panels appear in this image from Mars on December 7.

An air pressure sensor and a seismometer recorded the noise through the vibrations in the air and vibrations around the aircraft "caused by the wind moving over the spacecraft's solar panels".

InSight science team member Tom Pike says the lander acts like a giant ear as the solar panels respond to the wind. The seismometer is waiting to be deployed to the lander's robotic arm, and once that happens it will be covered with a domed shield to protect it from wind and temperature changes, so it won't be able to pick up this sound.

An upcoming mission, the Mars 2020 rover, will have two microphones on board for clearer sound recording. It still will detect the lander's movement, though channeled through the Martian surface. The Seismic Experiment for Interior Structure (SEIS), the seismometer, will use the vibrations to help scientists configure more about the planet's interior.

Keep watching for more to come from InSight!



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