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NASA?s InSight lander discovers active faults in Mars? crust


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Positivity     36.00%   
   Negativity   64.00%
The New York Times
SOURCE: https://thenextweb.com/syndication/2020/02/27/nasas-insight-lander-discovers-active-faults-in-mars-crust/
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Summary

But NASA’s InSight probe, which landed on Mars in November 2018, is different – it is the first mission dedicated to studying the interior structure of the planet and whether it gives rise to “marsquakes.” Now the results from its first ten months on the Martian surface have been published in a series of papers in Nature Geoscience and Nature Communications (see an overview here).Artist’s impression of InSight on the Martian surface. Although it is still trying to find a way to hammer its heat probe adequately into the ground, other aspects of InSight’s surface activities have worked well.TNW2020 is our full-blown tech festival disguised as a conferenceRead: [Strange signals coming from space every 16 days are puzzling scientists]For example, it successfully managed the crucial operation of using a robot arm to place a seismometer (a very sensitive vibration detector) on the ground well clear of the landing platform and then to cover it with wind and thermal shield. It has therefore been suggested that vibrations caused by meteorites hitting the surface may be to blame for any “marsquakes.” But so far as can be told, the quakes were all generated inside the planet itself.Though less strong than the biggest earthquakes that would be detected on Earth during any ten-month period, these marsquakes are a lot stronger than the moonquakes recorded by Apollo seismometers. Rather, Mars’ crust experiences stresses, caused by local deformation, leading to fractures similar to what occurs in earthquakes in the interiors of Earth’s continents – well away from plate boundaries.As additional marsquake data accumulates, we will learn more about the exact locations of each event, and how they relate to what we can see in the surface landscape.

As said here by The Conversation