https://www.sciencealert.com/earths-flipping-magnetic-field-heard-as-sound-is-an-unnerving-horror14 February 2025
Earth's magnetic field dramatically flipped a little more than 40,000 years ago. We can now experience this epic upheaval, thanks to a clever interpretation of information collected by the European Space Agency's Swarm satellite mission.
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Earth's magnetosphere formed by the interaction between the planet's geomagnetic field and solar winds. (NASA's Scientific Visualization Studio):