Technologue.idJakarta – Seismic information from Mars exhibits that the near-Earth planet is hit by basketball-sized meteorites about 300 instances a 12 months. The examine, written by researchers from Imperial School London and ETH Zurich, used information collected from NASA’s InSight Lander.
InSight Lander is provided with a seismology instrument known as Seismic Experiment for Inside Construction (SEIS). It’s the solely seismometer on Mars and is a crucial supply of details about the foremost occasions that happen on Mars and beneath the Martian floor, together with meteorite impacts.
Though craters are clear proof of meteorites hitting the purple planet’s floor, the examine says seismic exercise could also be a extra correct solution to decide how typically Mars is hit by meteorites. . Meteorite impacts trigger high-frequency earthquakes, totally different from different seismic occasions.
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The researchers had been capable of report three meteorite impacts earlier than the crater was seen, lending credence to the speculation that seismometers present higher proof of the situation of a meteorite impression than visible proof of a crater, which may very well be only a few meters in diameter.
New information primarily based on Mars earthquakes exhibits that Mars is hit by meteorites between 280 and 360 instances a 12 months.
