Earth's magnetic field is characterized by a puzzling hemispheric asymmetry. Calculations of core dynamo processes suggest that lopsided growth of the planet's inner core may be part of the cause.
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Finlay, C. Earth's eccentric magnetic field. Nature Geosci 5, 523–524 (2012). https://doi.org/10.1038/ngeo1516
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DOI: https://doi.org/10.1038/ngeo1516
