尽管如此，天文学家们仍然相信，当一颗彗星接近太阳时——这是他们可以研究它的地方——太阳的高温将会移除损坏的表层，露出内部。

Nevertheless, astronomers still believed that when a comet approached the Sun—where they could study it—the Sun's intense heat would remove the corrupted surface layer, exposing the interior.

youdao

观察一颗彗星，它将往何处去？

Watch a comet, where is it going?

youdao

1908年可能是一颗彗星导致了俄国通古斯事件。

A comet may have been the cause of the Tunguska event in Russia in 1908.

youdao

Suppose the planet were hit by a comet-- this happened--something like this happened sixty-five million years ago, so it could happen again.

假设这个星球被一颗彗星击中-,这样的事，大约六千五百万年前,发生过，所以它还可能再发生。

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