åºå ¸ã¯åæããã ãã§ãªããè注ãªã©ãç¨ãã¦ã©ã®è¨è¿°ã®æ å ±æºã§ããããæè¨ãã¦ãã ããã è¨äºã®ä¿¡é ¼æ§åä¸ã«ãååããé¡ããããã¾ããï¼2015å¹´3æï¼ ãã§ã«ãã®ãã©ããã¯ã¹ï¼è±: Fermi paradoxï¼ã¯ãç©çå¦è ã¨ã³ãªã³ã»ãã§ã«ããæåã«ææãããå°çå¤ææã®åå¨ã®å¯è½æ§ã®é«ãã¨ããã®ãããªææã¨ã®æ¥è§¦ã®è¨¼æ ãçç¡ã§ããäºå®ã®éã«ããçç¾ã®ãã¨ã§ããã ãã§ã«ãã¯ãå½æèãããã¦ããå®å®å¹´é½¢ã®é·ãã¨å®å®ã«ããè¨å¤§ãªææã®æ°ãããå°çã®ãããªææãææç³»ã®ä¸ã§å ¸åçã«å½¢æããããªãã°ãå®å®äººã¯å®å®ã«åºãåå¨ãã¦ããããã®ãã¡ã®æ°ç¨®ã¯å°çã«å°éãã¦ããã¹ãã ã¨èå¯ããã1950å¹´ã«æ¼é£ãã¨ããªããã®ååã¨è°è«ã®ä¸ã§ã¯ãå½¼ãã¯ã©ãã«ãããã ï¼ãã¨ããåããçºããã¨ãããã ãã®ãããªåé¡ã«ã¤ãã¦èããã®ã¯ãã§ã«ããæåã§ã¯ãªãã£ãããå½¼ã¯ãã®åé¡ããå®å®äººã®åå¨ã®å¯è½æ§ãã ãã«åç´åã
{{#tags}}- {{label}}
{{/tags}}