• Earth’s Magnetic Field and its Wandering Magnetic Poles

      Articles in Resonance – Journal of Science Education

    • General Article

      Nandini Nagarajan

      More Details Abstract Fulltext PDF

      The Earth’s magnetic field has been a constant source of curiosityand wonder, for its ubiquitous use in navigation, theproperties of magnetic attraction and the influence and connectionto celestial phenomena like aurora, sunspots, etc.Records of magnetic measurements exist going back 400 years.Modern measurements, with the addition of satellite-borneobservations, provide accuracy and enables understanding ofintriguing characteristics of the geomagnetic field. Some ofthese are: magnetic polarity reversals, wandering of the magneticpoles and the most fundamental one: the origin of thefield in the Earth’s interior and the mechanisms that havesustained it for over a billion years.

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