The planet we are living in is witnessing significant transformations over the years and centuries. This change not only affects the climate, but the magnetic field also declines markedly.

The Earth's magnetic field is not only useful in helping us identify the North and South poles, but it protects the Earth from solar wind and cosmic radiation.

If the Earth's magnetic field continues to decline at the current pace, the planet may see a second-round coupling.

This does not happen quickly as some people think. The last time our planet witnessed this important change was 780,000 years ago.

Scientists are currently interested in a strange phenomenon in the South Atlantic called "South Atlantic Anomaly", located between Chile and Zimbabwe.
The magnetic field in this area has declined so much that scientific bodies are afraid that the satellites will be damaged if the focus is entered because of the radiation caused by the contraction of the magnetic field.

Some scientific theories of earth magnetism say that our planet contains many deposits of iron ore, some of which are almost pure iron.

It is likely that these iron deposits have been "magnetized" during ancient times gradually in one direction, and was a permanent magnet and very large.

In the meantime, some other theories see that magnetism in the Earth is caused by the presence of strong currents in the electrical fluid of the outer heart of the earth.
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The source of the magnetic field of the main Earth is located at our feet at a depth of 3,000 kilometers. Iron and nickel, in the case of fusion at the nucleus of the planet, form a kind of dynamo, especially because of the currents that penetrate it.

In addition, other less important sources are added, including magnetized rocks in the Earth's crust, and external factors, including parts of the atmosphere, are electrically charged for interaction with solar radiation, says Gauthier Hollow, a researcher at the Institute of Geophysics in Paris.

Scientists do not know at this time whether this polarization will happen in the future, especially that researchers do not find important data can be studied to predict what is coming in the future.