Magnetic field reversal on Earth

Magnetic field reversal on Earth

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Caption: Model of geomagnetic field reversal. Third of three frames showing the magnetic field structure produced by a numerical simulation of the geodynamo, the source of the Earth's magnetic field. Here, the simulation has run for 40,000 'years', and is seen after a field reversal. The colours represent field lines with outward (yellow) and inward (blue) components. Magnetic field reversals are a feature of Earth's history, and are recorded in rocks near mid-ocean ridges. This image is from a paper published in 'Nature' in September 1995. See also pictures E080/009 and E080/010. Nature Vol 377 p.203-209, 21 September 1995.

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Keywords: art, artwork, dynamo, earth, earth science, field, geodynamo, geomagnetic reversal, illustration, magnetic, magnetic field, magnetic field reversal, magnetism, model, sciences, whole earth

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