#shorts #larger and less dense core #solidified mantle #Mars #Initial data
Having NASA’s InSight on Mars has delivered a completely new understanding of what the Red Planet is like, says IFLScience. Its seismometer used quakes as sonograms to study the interior of Mars. New data challenges an earlier idea that Mars had a solidified mantle and a liquid core. The two research studies covering this new discovery agree that the mantle has a bottom layer that is not solid and above it lies the Mars core, a molten ball of mostly iron with a radius of 1,680 kilometers (1044 miles). This new finding overturns an earlier assumption that Mars has a solid inner core. It now appears that there is a low-density outer layer on top of the core, which allows
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