Unlike the geographic North Pole, which is stationary, the magnetic North Pole moves about 10 to 15 km northwest per year. This movement is probably explained by a fluctuation in the strength and orientation of the magnetic field. | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Science Source / QA International |
Taille de l’image : | 2956 px × 2956 px |
Model Release : | Non requis |
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