1·Will it be the long sought signal from an alien civilization?
会不会是我们探寻已久的外星文明信号呢？
2·What if we encounter an alien civilization whose intentions are completely baffling?
问题是，如果完全无法判明我们所遭遇的外星文明的来访意图，该怎么办？
3·The archeologist said that the pyramids are the remnants of an alien civilization .
里边的考古学家说这些金字塔是一种地域外文明的遗迹。
4·This message would be sent in Morse code which was considered to be the easiest for an alien civilization to decode.
此消息将被发送莫尔斯电码，被认为是最容易解码外星文明的。
5·Surely if an alien civilization is advanced enough to master space travel, it can devise more effective ways of communicating with us.
自然地，如果有外星人文明已先进到可以掌控太空旅行，它可以通过更有效的途径与我们交流。
6·Unfortunately we have no clue where an alien civilization might be located, and what distances its transmissions must cover before being received on Earth.
但是不幸的是我们对于外星文明到底住在什么地方毫无概念，当然也不知道他们的信号到达我们这里要走过多少距离。
7·In the future, if any alien civilization arrives to Earth, they would be able to instantly tell the history of Earth's geography and know where in time we lived.
包括加州漂移到太平洋”在遥远的未来，如果任何一个外星文明到达地球，他们就会被告知地球形成的历史并且知道我们生活在哪个时期。
8·Eighteen years earlier, two Cornell physicists, Philip Morrison and Giuseppe Cocconi, had tried to imagine how an intelligent alien civilization might try to signal Earth.
十八年前，Philip Morrison和Giuseppe Coccni，两位来自康奈尔大学的物理学家，致力于猜想智慧外星文明如何向地球发出信号。
9·In surveying the skies in search of a signal from an alien civilization, the various SETI programs have been very successful in collecting massive amounts of radio data.
为了从太空搜索到外星文明的信号，各个SETI计划已经非常成功的收集到大陆的无线电数据。
10·Find evidence of asteroid mining: Humans are already looking at the asteroids in our solar system and considering their potential for mining, so why wouldn't an alien civilization do the same?
找到小行星采矿的证据：人类已经开始查看我们太阳系中的小行星，考虑在上面采矿的可能性。那么为何外星文明不会做同样的事呢？