地球的力量 第5集 稀有行星(19):恐龍的滅絕
它們標(biāo)志著一個(gè)巨大隕坑的邊緣
Scientific instruments show the structure of theunderlying rock has been deformed,
科學(xué)儀器顯示 下面巖石的結(jié)構(gòu)被扭曲了
revealing the boundaries of a colossal meteorite impact crater.
讓人看到了一個(gè)巨大隕石撞擊形成的坑的邊緣
This amazing cavern is part of a bigger story,a much bigger story.
這個(gè)不可思議的沼坑背后是個(gè)更震驚的故事 非常讓人震驚
Sixty-five million years ago, this was the site
6千5百萬年前，就在這里
of one of the most catastrophic impacts in Earth's history.
發(fā)生了地球上最具毀滅性的撞擊
What became known as the Chicxulub meteorite landed here
一個(gè)被稱作是?？颂K魯伯的隕石掉到了這里
and that triggered the extinction of the dinosaurs.
導(dǎo)致了恐龍的滅絕
The meteorite was likely over nine miles across,
隕星直徑15公里
enough to cause utter devastation across the whole planet.
足夠?qū)е抡麄€(gè)星球的毀滅
It exploded with the force of one hundred million million tons of TNT.
它的爆炸力相當(dāng)于一億兆噸炸藥爆炸
The blast sent a giant plume of vaporised rock out into space.
這次爆炸導(dǎo)致巨大的巖石蒸發(fā)進(jìn)入外太空
A crater was punched half a mile into the Earth's crust.
地殼上產(chǎn)生了30公里深的隕坑
