人类发射的无线电信号究竟能传播多远?若干年前,美国为寻找地外智慧生物,摆脱人类在宇宙中异常孤独的处境,曾代表人类向宇宙深处、可能存在有智慧生物的区域,发射了一束强大的无线电
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![人类发射的无线电信号究竟能传播多远?若干年前,美国为寻找地外智慧生物,摆脱人类在宇宙中异常孤独的处境,曾代表人类向宇宙深处、可能存在有智慧生物的区域,发射了一束强大的无线电](/uploads/image/z/4665270-30-0.jpg?t=%E4%BA%BA%E7%B1%BB%E5%8F%91%E5%B0%84%E7%9A%84%E6%97%A0%E7%BA%BF%E7%94%B5%E4%BF%A1%E5%8F%B7%E7%A9%B6%E7%AB%9F%E8%83%BD%E4%BC%A0%E6%92%AD%E5%A4%9A%E8%BF%9C%3F%E8%8B%A5%E5%B9%B2%E5%B9%B4%E5%89%8D%2C%E7%BE%8E%E5%9B%BD%E4%B8%BA%E5%AF%BB%E6%89%BE%E5%9C%B0%E5%A4%96%E6%99%BA%E6%85%A7%E7%94%9F%E7%89%A9%2C%E6%91%86%E8%84%B1%E4%BA%BA%E7%B1%BB%E5%9C%A8%E5%AE%87%E5%AE%99%E4%B8%AD%E5%BC%82%E5%B8%B8%E5%AD%A4%E7%8B%AC%E7%9A%84%E5%A4%84%E5%A2%83%2C%E6%9B%BE%E4%BB%A3%E8%A1%A8%E4%BA%BA%E7%B1%BB%E5%90%91%E5%AE%87%E5%AE%99%E6%B7%B1%E5%A4%84%E3%80%81%E5%8F%AF%E8%83%BD%E5%AD%98%E5%9C%A8%E6%9C%89%E6%99%BA%E6%85%A7%E7%94%9F%E7%89%A9%E7%9A%84%E5%8C%BA%E5%9F%9F%2C%E5%8F%91%E5%B0%84%E4%BA%86%E4%B8%80%E6%9D%9F%E5%BC%BA%E5%A4%A7%E7%9A%84%E6%97%A0%E7%BA%BF%E7%94%B5)
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