gap of asteroid ring [天] 小行星环缝
·2,447,543篇论文数据，部分数据来源于NoteExpress
The new date for the impact (66, 038, 000 years ago) narrows what's been dubbed the 'three metre gap' in the geological record between the demise of the dinosaurs and the asteroid impact to just 18, 000 years.
BBC: Keeping up with the Jinzhousauruses
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