
NASA’s InSight lander mission yields first scientific paper on Marsquakes
Feb. 24 (UPI) -- Researchers have published the first scientific papers that rely on data collected by NASA's InSight lander, which touched down on Mars just over a year ago. Observations made by the lander's super-sensitive seismometer, the Seismic Experiment for Interior Structure, have allowed scientists to gain new insights into the structure of the Red Planet's interior. In September 2019, InSight's seismometer recorded 174 seismic events. Since then, SEIS has recorded a total of 450 Marsquakes, an average of nearly two a day in recent months, but they have not yet been formally analyzed by scientists. According to the new research, published Monday in the journal Nature, the quakes take two forms. One type of Marsquake features low-frequency seismic waves and register magnitudes ...