Nothing is known about how extraterrestrials might take in information.

关于外星人如何获取信息，我们一无所知。

No, Scott didn't turn into an extraterrestrial.

不，斯科特并没有变成外星人。

Ultimately, the Earth's nations must work together to combat this extraterrestrial threat.

最终, 地球上的各个国家必须共同努力应对这外星威胁。

Some extraterrestrial peaks make ours look like puny little ant hills.

一些外星山峰使我们的看起来像微不足道的小蚂蚁山。

We use it for everything from Skype to the search for extraterrestrial life.

另一個系統Twister亦同，諸如此類。

And it would be tragic if we killed the first extraterrestrial life we found.

如果我们杀死了我们发现的首个外星生命，那可就悲剧了。

This doesn't mean that we discovered extraterrestrial life on venus far from it.

这并不意味着我们在遥远的金星上发现了外星生命。

In short, this ancient water could hold gas, microbes and hints about extraterrestrial life.

总之，这种古老水源可能包含气体、微生物和与地外生命有关的东西。

Naturally, it raises more questions about the possibility of some kind of extraterrestrial life there.

当然，它提出了更多关于地外生命存在可能性的问题。

Studying the earth-like planet could help in the hunt for extraterrestrial life

研究类似地球的行星有助于寻找外星生命。

People could be shocked at such a sight and mistake a sprite for an extraterrestrial object.

人们可能会对这样的景象感到震惊，误以为“精灵”是外星物体。

Potential explanations have been offered for the truly mysterious disappearances, including paranormal activity and extraterrestrial encounters.

对于这里发生的真实神秘事件可能的解释是这里有灵异活动，以及他们遭遇了外星人。

So if an extraterrestrial civilization wised up and stopped polluting, we might still see the effects.

所以如果外星文明识破我们的伎俩, 停止污染, 我们仍然会看到效果。

Some people think they could be a form of communication from extraterrestrial life trying to contact us.

一些人认为该信号可能是外星生物的一种交流方式，他们在试图联系我们。

The exact proportion of locally sourced versus extraterrestrial water is still a topic of argument among scientists.

内生水和外来水的准确比例一直是科学家们争论的话题。

THE space race between America and the Soviet Union was as much about ideological one-upmanship as extraterrestrial exploration.

美国和苏联的空间竞争是关于外星探索上谁高人一等的问题。

I'm not saying that there are not extraterrestrials – there might be.

我并不是说没有外星人——可能有。

Their precise, unique frequencies were indicated so that intelligent, extraterrestrial lifeforms could use them to find the Earth.

它们的精确度、独特的频率都标示了出来这样有智慧的外星生命形式就可以通过它们找到地球。

If that is the case, extraterrestrial life could exist in many more locations than we even imagine.

如果真是这样的话，那有外星生命存在的地方将远远超出我们的想象。

Last year, McTier's advisor challenged her to find something else on exoplanets: evidence of extraterrestrial mountains.

去年，麦克蒂尔的导师给了她一项挑战性任务：在太阳系外行星上寻找其他东西：外星山脉的证据。