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。
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.
所以在撞击的过程中,平均加速度,只有。
So therefore the average acceleration during the impact 5/ divided by one quarter...
河水在楼下撞击的声音叫人惊恐万分。
The sound of the river moving about downstairs was frightening.
这些水可能是来自撞击的彗星，或来自月球内部。
It could have come from the impacts of comets, for instance, or from within the Moon.
因为当一个台球对另一个发生撞击的时候。
随着金属撞击的声音自行车一辆接一辆的开始倒下。
The metal rang and the bicycles began to crash one after the other.
随后那里响起金属撞击的声音，他一定是在用拳头砸衣物柜的门。
Then the metal crash that could only be the sound of a fist launching into a locker door.
王志军还听到了其它响声，他当时猜测是石头滚动时撞击的声音。
Wang also heard other noises, perhaps stones crashing against stones.
观察者们看到的颜色取决于被撞击的大气的种类和高度。
The colors a sky-watcher sees depends on what type of gas is being hit and how high it is.
如果它们不同，冰块源自彗星和撞击的陨石将是更有说服力的解释。
If they are different, a more plausible explanation is that the water came from comet and meteorite impacts.
这张照片是迄今为止最为引人注目的星系撞击的图像之一。
This is one of the most arresting galaxy smash-up images to date.
一种可能的解释是顶层的岩石是陨石撞击的冲击波形成的。
One possibility is that the top layer of rock was shattered by the shockwaves from an impact.
这张照片是迄今为止最为引人注目的星系撞击的图像之一。
This is one of the most arresting galaxy smash-up images todate.
在极少发生的飞机紧急着陆时，你必须采用防撞击的姿势。
In the unlikely event of aircraft having to make an emergency landing, you must adopt the brace position.
能得到有效的减慢的撞击的，数值越小，那会减少捕获的可能性。
Fewer number of collisions to allow for affective slowing down which reduces the likelihood of capture.
我们的模型可以被用于估计地球过去历史上曾有撞击的范围和影响。
Our model can be used to estimate the magnitude and effect of other major impacts in Earth's past.
后者使用夏威夷莫纳克亚山山顶的红外电子望远镜，收集到了表明撞击的证据。
Using Nasa's infrared telescope facility at the summit of Mauna Kea, Hawaii, they gathered evidence indicating an impact.
那撞击的声响都让人不可思议，他说，难以相信你所看到发生的一切。
"Just the sound of the impact was unbelievable," he said. "Almost can't believe you saw what actually happened."
你现在大概在想我可以用这些东西来模拟身体包裹汽泡纸进行撞击的实验，对吗？
So, you might think I could just use this to model a collision with a body wrapped in bubbles now, right?
在相隔几条街的地方，人们却能听到咖啡馆里有象牙球在球台上撞击的声音。
A few streets away, the shock of billiard-balls can be heard in the cafes.
但是直升机在撞击的前一秒是天旋地转的，所以一般的车用安全气囊很难奏效。
But in what can be the wildly gyrating final seconds of a helicopter crash, that is harder to achieve.
这个坑洞尺寸与所要寻求的相同，最关键的是，它的年代也和毁灭性撞击的年代相符合。
The crater was the right size and - crucially - the right age to be the site of the cataclysmic impact.
不过对于空间探索来说更具意义的是，在被撞击的凯布斯月球坑的底部发现了大量的水。
More importantly from the point of view of space exploration, largeamounts of water were discovered at the bottom of the Cabeus crater.
他们对是否是撞击的影响还是其他的天气影响导致后冰河世纪的新仙女木事件也存在分歧。
They also disagree about whether an impact or some other climate event caused the Younger Dryas at the end of the ice age.
虽然天体撞击的毁灭性不容置疑，但是没有证据表明彗星导致了地球物种周期性的大灭绝。
While there’s little doubt about the destructive power of cosmic impacts, there is no evidence that comets have periodically caused mass extinctions on our planet.
对这次撞击的模拟显示地球确实在短暂的时间内融化了，这意味着像碳和水这样的轻质物质都会完全蒸发掉。
Simulations of the collision suggest that Earth really did melt for a brief time, meaning that all lightweight materials like carbon and water would have been utterly vaporized.
但是其他科学家认为，仅仅在1.3万年前，地球被如此巨大的物体所撞击的几率仅为千分之一。
But other scientists say the chances of the Earth being struck by such a large object only 13, 000 years ago are one thousand to one against.
但是就算是这样，这次撞击的规模如此之小，它对环境产生的影响应该比较小，影响范围也是局部的。
But even if it is, it is so much smaller that its environmental effect would have been both minor and local.
根据接下来的一组照片，喷气推进实验室的史蒂夫·切斯利预测出更精确的轨道，他排除了撞击的可能。
With the next set of images, JPL’s Steve Chesley forecast a more precise orbit, and he ruled out an impact.
根据接下来的一组照片，喷气推进实验室的史蒂夫·切斯利预测出更精确的轨道，他排除了撞击的可能。
With the next set of images, JPL’s Steve Chesley forecast a more precise orbit, and he ruled out an impact.
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