Earth’s Weakening Magnetic Field
The magnetic field of planet earth is weakening at present according to reports published by the European Space Agency’s SWARM mission. The earth’s core comprises molten iron and nickel. This rotating, convecting, and electrically conducting fluid produces a magnetic field that extends into space, according to the dynamo theory. Earth’s magnetic field shields us from cosmic rays and harmful solar particles. The weakening of earth’s magnetic field may affect this shielding process to some extent. It may also cause technical problems in spacecrafts and satellites passing over the South Atlantic Anomaly, an area where the earth’s inner Van Allen radiation belt comes closest to the earth’s surface, dipping down to an altitude of 200 kilometres (120 miles). Keep checking ESA’s webpage for further updates on this and be the first to share this video with your network.
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