Scientists hope its discovery will help determine the risks of further potentially catastrophic impacts.
科学家们希望此次的发现能够帮助人们预防外来天体毁灭性地撞击。
Similarly, there are myriad ways that planets can lose their atmospheres, through stripping by the solar wind, baking by the sun's radiation or catastrophic impacts by comets or asteroids.
同样的，星球也有无数的方法能够丧失自己的大气层，有可能被太阳风夺走，还有可能被太阳的放射性物质或者来自彗星和小行星灾难性的撞击耗尽。
Even without such specific documentation, it is clear that impacts of this size do occur and that their results can be catastrophic.
即使没有这样具体的记录，这种规模的影响也很明显是确实会发生的，而其结果可能是灾难性的。
The question boils down to the accumulating impacts of daily incremental pollution from burning coal or the small risk but catastrophic consequences of even one nuclear meltdown.
问题在于争论选择产生每日产生积累的污染的燃煤还是小概率但是带来悲剧性结果的核反应堆熔毁。
The question boils down to the accumulating impacts of daily incremental pollution from burning coal or the small risk but catastrophic consequences of even one nuclear meltdown.
问题在于争论选择产生每日产生积累的污染的燃煤还是小概率但是带来悲剧性结果的核反应堆熔毁。
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