'The goal of the InSight mission was to rewrite the textbooks. We have done it, literally.'
on its 128th Martian day, April 6, 2019. It was a small quake close to InSight's location and revealed the Red Planet to be seismologically active. does, so spotting marsquakes meant there are other processes involved, such as asteroid impacts or underground pressure buildup due to magma movement cracking the planet's surface.
The team later found that the initial three months were the noisiest part of the Martian year, and that the weather-driven winds were drowning out quakes that InSight would have otherwise heard.
into the Red Planet a few hundreds of kilometers from the robot."Two of the largest [seismic] events on Mars are actually impact events," he said. Because seismic waves record how much the planet reverberates after each impact as it happens, scientists got a front-row seat to understand how craters form on Mars in real time.
Scientists also found that the Cerberus Fossae region, which is about 1,000 miles from InSight, hostedthan any other region scanned by the spacecraft. In its first year on Mars, the robot detected just a couple of large marsquakes, but it saw a dozen big ones in its second year.
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