不过，据英国阿伯丁皇家学院大卫•乔利和一个研究小组认为，乌克兰博提施撞击地球事件比之前的墨西哥希克苏鲁伯撞击事件要晚5,000年。

But according to David Jolley of King's College in Abaerdeen, U.K. and a team of researchers, Bolytsh slammed into the planet less than 5, 000 years before the giant Chicxulub impact in Mexico.

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小行星为恐龙的灭绝“负责”这一说法毕竟留下了比希克苏鲁伯的陨石坑更多的证据。

The asteroid charged with killing the dinosaurs, after all, left more than the Chicxulub crater as its calling card.

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