寻找外星生命,这是一个一直让人感到神秘而又不断撩动人们好奇心的话题。近几十年来,有关外星人的电影、文学作品不断涌现:强大的外星人进攻地球,结果被充满智慧的人类给打败了;外星人进攻另一个星球,结果取得了胜利……这些情节虽然让人大开眼界,但毕竟是虚构的,因为我们现在连外星人的影子都没发现! Looking for extraterrestrial life, this is a topic that has always been mysterious and constantly curls people’s curiosity. In recent decades, films and literary works about aliens have been emerging: powerful aliens attacked the Earth, and the result was defeated by intelligent human beings. The aliens attacked another planet and the result was a victory ... These Although the plot an eye-opener, but after all, is fictitious because we do not even find the shadow of the alien!