NASA scientists have discovered mysterious rumblings coming from inside Mars.The National Aeronautics and Space Administration's InSight lander has detected two strong, clear quakes originating in a location of Mars called Cerberus Fossae – the same place where two strong quakes were detected earlier in the lander's mission.The first "quiet but distinct" signal of a 'Marsquake' was detected on April 6, 2019.These new quakes have magnitudes of 3.3 and 3.1 compared to the previous quakes which were magnitude 3.6 and 3.5.Studying marsquakes is one way the InSight science team seeks to develop a better understanding of Mars’ mantle and core.It is not believed that Mars has tectonic plates like Earth, but it does have volcanically active regions.
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