NASA’s InSight lander installed a seismograph on Mars, recording three large 'marsquakes' that have since helped scientists gain a better understanding of what lies below the Martian surface. It's been exactly three years since the InSight lander touched down on Mars on November 26, 2018. The lander carries a seismograph that has recorded multiple marsquakes, which are earthquakes on Mars.
Three of the marsquakes in August-September 2021 were among the largest that NASA ever recorded, with each
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