NASA lander detects biggest ‘marsquake’ yet
The InSight lander’s seismometer instrument, covered by its wind and thermal shield, on the surface of Mars. Credit: NASA/JPL-Caltech NASA’s InSight lander operating on the surface of Mars has detected the most powerful seismic tremor ever measured on another planet, a “marsquake” estimated at magnitude 5, strong enough to reveal new insights about the deep …