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Tuesday 7 July 2020

How does Earth sustain its magnetic field?

Life as we know it could not exist without Earth's magnetic field and its ability to deflect dangerous ionizing particles. It is continuously generated by the motion of liquid iron in Earth's outer core, a phenomenon called the geodynamo. Despite its fundamental importance, many questions remain unanswered about the geodynamo's origin. New work examines how the presence of lighter elements in the predominately iron core could affect the geodynamo's genesis and sustainability.

from All Top News -- ScienceDaily https://ift.tt/2ZMC0VW

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