When Earth's magnetic field took its time flipping

Earth's magnetic field is generated by the churn of its liquid nickel-iron outer core, but it is not a constant feature.
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Scientists reveal what the looming geomagnetic flip could do to Earth

Earth’s magnetic field is quietly, steadily changing, and the shift is no longer just an abstract concern for geophysicists. As the protective shield that deflects charged particles from the Sun ...
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Earth’s magnetic field protects life on Earth from radiation, but it can move, and the magnetic poles can even flip

Add Yahoo as a preferred source to see more of our stories on Google. The Earth's magnetic field deflects particles emitted by the Sun. Mark Garlick/Science Photo Library via Getty Images The Earth’s ...
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Plate tectonics and geomagnetic reversals; readings, selected, edited, and with introductions by Allan Cox

https://siris-libraries.si.edu/ipac20/ipac.jsp?&profile=liball&source=~!silibraries&uri=full=3100001~!31275~!0#focus ...