Global map of magnetism in Earth's rocks
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Global map of magnetism in Earth's rocks

Europe's Swarm mission has mapped the magnetism held in Earth's surface rocks. The map incorporates four years of Swarm measurements, data from a previous German spacecraft called Champ, and information gathered by aeroplanes and ships. Regional features as small as 50km across can be discerned.

Video courtesy of Esa/Planetary Visions

  • 10 Apr 2018