The real killer has got to be atmospheric, Gulick said.

古利克表示，" 真正的凶手肯定是大气。

One of the leaders of that team was Sean Gulick, a research professor at the University of Texas Institute for Geophysics.

该团队的其中一名负责人是肖恩·古利克，他是得克萨斯大学地球物理研究所的研究教授。

Gulick noted that the study provides clear evidence that the dinosaurs did not die from the asteroid impact.

古利克表示，这项研究提供了明确的证据，证明恐龙并不是死于小行星撞击。

It's an expanded record of events that we were able to recover from within ground zero, Gulick said in a statement.

古利克在声明中表示，" 这是我们可以从袭击地收集的延伸记录。

Sean Gulick said the evidence suggests that a large heat blast, followed by a period of intense cooling killed off the dinosaurs.

肖恩·古利克表示，这一证据表明，一起大热爆炸后发生了持续一段时间的激冷，导致恐龙灭绝。