評論
打印
No traces of iridium dust and not much shattered quartz. It didn't add up.
既沒有銥元素的蹤跡，也沒有多少破碎石英。這完全說不通。
For a meteor to kill 95% of all life on earth, it should have been the size of Manhattan.
既然能殺死地球上95%的生物，這顆小行星必須得有曼哈頓那么大。
Yet the evidence suggested that if there had been a meteor at the end of the Permian era,
然而證據(jù)顯示，即使二疊紀晚期發(fā)生過天體碰撞，
it had been far too small to destroy the world.
那場碰撞的規(guī)模也不算大，并不足以摧毀世界。
The Permian killer had, once again, eluded scientists.
這個二疊紀殺手又一次躲開了科學家們的視線。
Paul Wignall, a geologist at the University of Leeds, had always been doubtful about the meteor theory.
利茲大學的地質(zhì)學家Paul Wignall一直對天體碰撞論持懷疑態(tài)度。
It's a nice theory, it nicely explains the end of the dinosaurs in the later extinction event,
這種理論非常適于解釋后來發(fā)生的恐龍滅絕事件，
but for this particular extinction, I just don't think there's any convincing.
但對于這場特殊的大滅絕事件，我認為沒有什么可信的證據(jù)。
Wignall suspected all the explanations for the extinction had been based on insufficient data.
Wignall懷疑所有有關大滅絕的解釋都是基于相當不足的數(shù)據(jù)。
He also knew there was one place he might find more, Greenland.
他知道有個地方或許能找到更多資料，格陵蘭。
