Study: Dinosaurs were charbroiled after Chicxulub impact

研究：希克苏鲁伯撞击后，恐龙被炭烤

作者: Jennifer Ouellette | 分类: Science, asteroids, biogeoscience, Chicxulub impact | 原文: arstechnica.com

时间: Tue, 28 Jul 2026 20:51:45 +0000

Some 66 million years ago, an asteroid impact wiped out three-quarters of all plant and animal species on Earth, most notably taking down the dinosaurs. But exactly how that impact caused those extinctions has been the subject of fierce debate. According to a new paper published in the Journal of Geophysical Research: Biogeosciences, the impact would have produced an immense cloud of dust that superheated the upper atmosphere, charbroiling living organisms unable to take shelter and igniting widespread wildfires.

⋯ 继续阅读请登录会员 ⋯