Another theory, that the larger beasts were wiped out by an asteroid strike around 13, 000 years ago, also looks unlikely in view of the latest study.

另外一个理论推测大型动物在13000年前的一次小行星撞击中被毁灭殆尽，然而最新的研究也否定了这种可能性。

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The find provides support for the theory that Earth's water could have been delivered as ice by an asteroid.

有理论认为地球上的水可能是由其它小行星以冰的形态运送而来，如今的这一发现为该理论提供了有力佐证。

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This led to the now widely accepted theory that the consequences of an asteroid impact had wiped out the dinosaurs.

这导致小行星撞击造成恐龙灭绝的理论现在广为接受。

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And it is hoped that there will be numerous things to find from these discoveries, including further clues as to what caused the untimely extinction of the dinosaurs 65 million years ago - the most prominent theory being that it was the result of an asteroid hitting the Earth on what is now the coast of Mexico.

BBC: NEWS | Science/Nature | Golden age of dino finds forecast