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Earth’s Magnetic Field and Its Benefits, Risks, Measurements, Missions, and Changing Behavior

Earth’s magnetic field measures about 20,000 to 65,000 nanotesla at the surface, with lower values near the magnetic equator and higher values near the magnetic poles. That field extends from Earth’s interior into near-Earth space, where it forms the magnetosphere, a magnetic shield that interacts with the solar wind, cosmic particles, and electric currents in space.
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New Space Economy broke the news on Saturday, May 23, 2026.
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