Cogito, ergo sum „Forscher rätseln: Magnetfeld der Erde schwächt sich ab – Kommt Polumkehr? Von Sandra Tjong27 Mai, 2020 … … … In an area stretching from Africa to South America, Earth’s magnetic field is gradually weakening. Scientists are using data from @esa_swarm to improve our understanding of this area known as the ‘South Atlantic … Magnetische Anomalien weiterlesen