The comet is going to come back in 2061 and we are all going to be able to see it. Well, our offspring are, anyway.

这颗彗星将于2061年返回，到时我们都可以看到它。哦，无论如何，我们子孙是可以看到的。

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They combine with dust particles from the comet to form a huge cloud.

它们与来自彗星的尘埃颗粒结合在一起，形成了巨大的云团。

youdao

The trip from Earth by "Philae" had taken ten years! The scientists had no idea what the surface of the comet would be like.

“菲莱”号从地球出发的旅行已经花了十年的时间！科学家们不知道彗星的表面会是什么样子。

youdao

One argument against the comet theory is that a comet would have left a large hole in the Earth's surface.

VOA: special.2009.01.20

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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A specially designed collector gathered dust particles from the comet and stored them on the spacecraft.

VOA: special.2009.09.30

If matches are found, then identification of the material inside the comet would be accomplished.

BBC: Q&A: Deep Impact comet mission

The nation that hits the comet, at a distance of 37m miles, will gain new respect worldwide.

ECONOMIST: Stop that comet

The comet gets compressed and then explodes in the solar atmosphere which, in turn, creates shockwaves, says Eichler.

FORBES: Sun-Grazing Comets As Triggers For Electromagnetic Armageddon