The core of the earth is made up of a liquid outer corea solid inner core.

地核是由一个液体的外核和一个固体的内核组成的。

The Earth's magnetic field is generated by currents flowing in Earth's outer core.

地球磁场由地球外核中的电流产生。

It turned out that whatever the outer core is made of, it isn't an iron-oxygen mix.

出现的结果是无论外核是什么造就的，但它不是铁和氧的混合。

The outer core of the Earth, about two-thirds of the way to the center, is molten iron.

地球的地核外部，大致到达中心三分之二的地方是熔化的铁。

They also suspect a fluid outer core generates the planet's magnetic field though convection.

他们还怀疑流体外核产生的磁场领域通过对流。