The Earth's magnetic field is generated as the molten iron of the Earth's outer core revolves around its solid inner core; when surges in the molten iron occur, magnetic tempests are created.
2
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。
The planet's magnetic field is generated by the motion of molten iron flowing around a superhot, solid iron core.
3
带电粒子与地球磁场相互作用产生了强烈而绮丽的极光，但是它们也有可能是具有破坏性的。
The charged particles interacting with Earth's magnetic field generate intense and beautiful aurora, but they can also be destructive.
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