The planet's magnetic field is generated by the motion of molten iron flowing around a superhot, solid iron core.

地球内部的熔铁围绕其核心的超高温固体铁核流动，由此产生了地球磁场。

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The planet's magnetic field is generated by the motion of molten iron flowing around a superhot, solid iron core.

地球内部的熔铁围绕其核心的超高温固体铁核流动，由此产生了地球磁场。

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