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Topic: CNS

This photo made available by NASA on Tuesday, April 23, 2019 shows the InSight lander's domed wind and thermal shield which covers a seismometer on the 110th Martian day, or sol, of the mission. On Tuesday, the space agency announced the instrument picked up a gentle rumble, believed to be the first marsquake ever detected. (NASA/JPL-Caltech via AP)

Marsquakes shake the red planet

Nicole Karlis