Computer simulations of this impact show that both of the objects would melt in the impact and the dense core of the impactor would fall as molten rock into the liquefied iron core of Earth.

对这次撞击的计算机模拟显示，这两个物体都会在撞击中熔化，而撞击者稠密的核心会以熔融岩石的形式落入地球的液化铁芯中。

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Like the CORE of earth, the mantle can also be divided into two concentric layers, the lower mantle and the upper mantle.

就像地球的核部一样。地幔也可分为两个同心圆圈层，下地幔和上地幔。

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According to comprehensive analysis, it is thought that hydraulic fracturing in core of earth-rockfill dam is hard to occur.

最后通过综合分析，认为在实际工程中，土石坝心墙很难发生水力劈裂。

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The heat that keeps the core of the earth molten is primarily radioactive decay -it is what makes rock into liquid lava.

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Dr Marcy suspects that his new discovery, which has about 45 times the mass of the Earth, is composed of a rocky core surrounded by a thick envelope of hydrogen and helium gas.

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