NASA’s InSight lander has detected the first known ‘marsquake’. The spacecraft picked up the faint trembling of Mars’s surface on 6 April, 128 days after landing on the planet last November. The quake is the first to be detected on a planetary body other than Earth or Moon.

from https://www.scientificamerican.com/article/first-marsquake-detected-on-red-planet1/
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