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1950年的一天,美国物理学家恩利克·费米在和他人讨论外星人时,突然冒出一句:“他们都在哪儿?”这句话催生了著名的“费米悖论”:宇宙的尺度和年龄意味着高等地外文明应大量存在,但人类迄今没有找到任何有关地外文明存在的确凿证据。如何解释这一悖论?记者采访了有关专家。“大沉默”暗示潜在危险对于费米悖论的解释有很多。国内公众知晓度最高的,恐怕要属“黑暗森林法则”。这个假说是科幻小说作家刘慈欣在《三体Ⅱ》中提出的:“宇宙就
One day in the 1950’s, when American physicist Enrique Fermi discussed alienism with others, he suddenly came out with the phrase: ”Where are they all?“ The phrase evokes the famous Fermi paradox ”: The scale and age of the universe mean that a higher level of foreign civilization should exist in abundance, but mankind has so far not found any conclusive evidence on the existence of extra-territorial civilizations. How to explain this paradox? Reporters interviewed the experts. Large Silence Hints Potential Danger There are many explanations for the Fermi paradox. The highest awareness of the public in the country, I am afraid to belong to “Dark Forest Law ”. This hypothesis is a science fiction writer Liu Cixin put forward in “Three-body Ⅱ”: "The universe