31 ene. 2017

Earth's Magnetic Pole Reversals: What are the Dangers, and What Don't We Know?

The Earth's magnetic field is an extremely important component contributing to the existence of life on our home planet, providing a protective shield against the otherwise harsh solar wind. The magnetosphere, much like Earth's other spheres, is not static, and instead undergoes constant regional fluctuations, including the periodic phenomenon of complete polar reversals. These geomagnetic reversals are a concern to scientists, in that we neither have any way of predicting when they will happen, nor do we actually know how such a phenomenon would affect life on Earth.

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