Martian Lander Discovers ‘Surprising’ Martian Volcanism

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The InSight robotic lander found evidence in the interior of Mars for the existence of an active giant mantle plume, a large blob of molten rock that is rising, not unlike a wax blob in a 1970s-era lava lamp.1,2 The presence of an active mantle plume surprised mainstream scientists because they thought Mars was more-or-less dead, geologically speaking. Planetary scientist Jeff Andrews-Hanna said,

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Source: icr.org