Data: Earth’s Magnetic Field Weakening
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TAMPA (CBS Tampa) – We’re accustomed to thinking of the North Pole as a fixed point, but new data shows that is not the case.
High resolution images from the European Space Agency’s 3 Swarm satellites has given scientists a unique look at the magnetic field that protects Earth from cosmic rays.
Measurements taken over the past 6 months show the field is weakening, most dramatically over the Western Hemisphere.
But it’s not the case over the Indian Ocean, where the field is gaining strength.
The data also shows the planet’s magnetic north pole is shifting southwards over Siberia.
The magnetic field is generated from a variety of sources, including the Earth’s core, mantle, crust, oceans, ionosphere and magnetosphere.
Scientists will continue to examine the data in the hopes of gaining new insight into many natural phenomenon.
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