Science
Earth’s Magnetic Field Have A 200 Million-Year-Long Cycle As Found From Rock Samples in Ancient Lava – Science Times
Scientists have previously noticed that the Earth’s magnetic field seems to decay periodically, but the reason was unidentified…
Earth’s magnetic field is the magnetic force flow into the northern hemisphere and out of the southern hemisphere. According to Physical Geology, Earth’s magnetic field s generated within the planet’s outer core by the convective movement of liquid iron.
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