更有趣的是,研究人员通过计算发现撞击所产生的能量足以在附近数百公里的范围内产生几千次9.9级地震。
In effect, it would have been the biggest fracking operation in history, releasing oil and gasfrom the shattered rock in prodigious quantities.
从效果上来说,这也许是历史上最大的裂解工程,它将数量惊人的石油和天然气从岩石中释放出来。
The upshot, Dr Tohver believes, would have been a huge burp of methane into theatmosphere.
托瓦尔博士相信,这导致了巨量的甲烷被排向大气层。
Since methane is a powerful greenhouse gas, that burp would have resulted in instantglobal warming, making things too hot for much of the planet s animal life.
而甲烷是很强的温室效应气体,它就使得全球气温瞬时上升,过高的气温危及了许多物种的生存。
Presto! The Permian mass extinction is explained.
是的!这就是二叠纪物种大灭绝的解释。
Determining whether this was really what happened will take a lot more digging, of course.
当然,要确认这是不是造成这一切的真实原因还有待更多的探索研究。
Even now, there are those who think the formation of the Chicxulub crater was acoincidence, and that what did for the dinosaurs was actually the volcanoes, so Dr Tohverwill have to work hard to convince the sceptics.
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