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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Afraid that in her unclear state of mind she might fall off the rock to her death, Grant climbed on all fours up a tight, narrow path by digging into the earth with his fingers and feet until he reached Paula.

担心她在神志不清的状态下会从岩石上掉下来摔死，格兰特手脚插入泥土，四肢并用地沿着一条狭窄的小路往上爬，一直爬到宝拉身边。

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A man walking in the night slipped from a rock afraid that he would fall down thousands of feet, because he knew that place was a very deep valley.

一个人在夜间行走时，不小心从岩石上滑落了下来。因为他知道这个地方是一个十分深的山谷，所以他害怕自己会一下子跌下去。

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Miner Ian Cameron, 46, died when equipment fell on him at the pit in October 2009 and Don Cook was killed in a rock fall in September 2008.

BBC: Pit death inquest: Gerry Gibson died from asphyxiation

But operations were later suspended after a rock fall in a tunnel carrying water to the facility from a reservoir.

BBC: Glendoe hydro electric scheme resumes operations

It follows a major rock fall at the quarry in April 2012 that saw half a million tonnes of rock cover the quarry floor and hamper operations at the site.

BBC: Penrhyn Quarry wins Welsh government loan help