Three distinct sorts of sounds might be heard, all of them detected as floor vibrations by the spacecraft’s seismometer, referred to as the Seismic Experiment for Inside Construction (SEIS):
There’s noise from Martian wind; the seismic occasion itself; and the spacecraft’s robotic arm because it strikes to take footage.
This occasion is the primary seemingly Marsquake recorded by the InSight group. A number of different seismic occasions have been recorded however are rather more ambiguous than this sign.
The audio underscores simply how seismically noisy the Martian floor might be and was produced from two units of sensors included with SEIS.
You may hear sounds from the Very Broad Band sensors out of your left audio system and sounds from the Brief Interval sensors out of your proper audio system. Audio from each units of sensors have been sped up by an element of 60; the precise vibrations on Mars wouldn’t have been audible to the human ear.
Hearken to the ‘Marsquake’ that seems like a high-speed practice as utilized in an underground rail system. Playback on headphones or speaker system really useful for greatest expertise.