ESA’s Swarm Constellation Sees Growth in the Magnetic Field’s 'Weak Spot'

ESA’s Swarm Constellation Sees Growth in the Magnetic Field’s 'Weak Spot'
By David Dickinson (https://ift.tt/tMyJAK8)

Earth is a dynamic place, both on its surface and down to its very core. The European Space Agency (ESA) recently released findings from its Swarm constellation of Earth-observing satellites highlighting this fact, documenting activity in the planet’s magnetic field during its decade plus of extended operations. One key finding shows the well-known Southern Atlantic Anomaly is expanding in size.

October 17, 2025 at 07:08PM
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