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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We think-but we are not sure-that the moon has a center core which includes molten rock, as the earth does.

我们预料，但是我们不能确定，月球有一个由熔岩构成的地核，如同地球。

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The practice indicates that the asphalt concrete ADAPTS to the core wall of earth-rock dam in the cold region.

实践表明，浇筑式沥青混凝土适用于寒冷地区土石坝的防渗心墙。

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Unlike any other asteroid known today, Vesta has an iron core surrounded by layers of mantle rock and crust, similar to Earth and Mars, preliminary gravity and density measurements suggest.

WSJ: Asteroid Vesta Gets a Close Study

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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