Why isn’t iron pulled down to the Earth? Would magnetic materials like iron be lighter or a planet without a magnetic field?
In: Physics
Earth’s magnetic field isn’t powerful enough to actually move anything with much mass.
That said, iron is denser than rock and it is pulled down into the earth by gravity. When the earth was forming and still completely molten nearly all the metal *did* sink to the center. Metal deposits we find closer to the surface were deposited later by asteroid impacts or volcanic activity.
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