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ren lei zen yang gei wai xing ren fa dian bao
Author(s): 
Pages: 51
Year: Issue:  8
Journal: The Journal of UFO Research

Keyword:  地外文明无线电信号球形天线无线电发射发射功率人类发射台天线系统电报地球;
Abstract: <正>假如确有地外文明存在的话,我们怎样与它们取得联系呢?各个领域的专家提出过不少方案。最为切实可行的办法不外两种:一是监听地外文明发出的信号;二是向地外文明发送无线电信号。地球人类在这两方面都已做过尝试:1960年和1972年实施了监听邻近两颗恒星无线电信号的"奥兹玛"计划;1974年向武仙座拍发了一份简短电报。
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