EP.248 霍金警告：外星人來訪可能毀滅地球文明！ 大物理學家霍金（Stephen Hawking）曾經警告：「如果外星人造訪我們的話，結果可能會和當年哥倫布登陸美洲類似，對當地居民來說不會是什麼好事。」 也就是說，讓地球文明被外星人發現，可不是什麼好主意。 1974年，阿雷西博天文台（Arecibo Observatory）瞄準了25000光年外的M13球狀星團發射了一段高功率的無線電訊號，包含了質因數分解、DNA、人類形象、太陽系等訊息。 之後不管是實體、還是無線電訊號，都又發送了好幾次。 就算現在把霍金的警告當真要藏起地球的氣息，也已經來不及了…… ＃霍金 ＃外星人 ＃阿雷西博天文台 ＃地球 -- Hosting provided by SoundOn
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