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三十多年来,许多热心于寻找外星智慧生物的积极分子。一直都在致力于搜寻外星人可能发出的联络信号。现在美国国家航空航天局(NASA)也开始将自己的人力物力投入了这种努力。1992年是哥伦布到达“新世界”500周年,刚好这
For more than three decades, many enthusiasts have been enthusiastic about finding intelligent creatures of extraterrestrials. Has been working to search aliens may send out the contact signal. Now NASA has begun to put its own manpower and resources into such efforts. The year 1992 marks the 500th anniversary of Columbus’s arrival in New World