{"id":8784,"date":"2020-11-08T17:48:43","date_gmt":"2020-11-08T08:48:43","guid":{"rendered":"https:\/\/www.stechstar.com\/user\/wordpress\/?p=8784"},"modified":"2020-11-08T17:48:43","modified_gmt":"2020-11-08T08:48:43","slug":"%ed%94%84%eb%a6%ac%eb%af%b8%ec%97%84-%eb%a6%ac%ed%8f%ac%ed%8a%b8-%eb%85%b8%eb%b2%a8%eb%ac%bc%eb%a6%ac%ed%95%99%ec%83%81-%ed%8e%9c%eb%a1%9c%ec%a6%88-%ed%8a%b9%ec%9d%b4%ec%a0%90-%ec%a0%95","status":"publish","type":"post","link":"https:\/\/www.stechstar.com\/user\/wordpress\/%ed%94%84%eb%a6%ac%eb%af%b8%ec%97%84-%eb%a6%ac%ed%8f%ac%ed%8a%b8-%eb%85%b8%eb%b2%a8%eb%ac%bc%eb%a6%ac%ed%95%99%ec%83%81-%ed%8e%9c%eb%a1%9c%ec%a6%88-%ed%8a%b9%ec%9d%b4%ec%a0%90-%ec%a0%95\/","title":{"rendered":"[\ud504\ub9ac\ubbf8\uc5c4 \ub9ac\ud3ec\ud2b8] \ub178\ubca8\ubb3c\ub9ac\ud559\uc0c1 \u2018\ud39c\ub85c\uc988 \ud2b9\uc774\uc810 \uc815\ub9ac\u2019 \uc774\ud574\ud558\uae30"},"content":{"rendered":"<div id=\"article_title\">\n<h2>[\ud504\ub9ac\ubbf8\uc5c4 \ub9ac\ud3ec\ud2b8] \ub178\ubca8\ubb3c\ub9ac\ud559\uc0c1 \u2018\ud39c\ub85c\uc988 \ud2b9\uc774\uc810 \uc815\ub9ac\u2019 \uc774\ud574\ud558\uae30<\/h2>\n<p><span class=\"date\">2020.11.07 15:00<\/span><\/div>\n<div id=\"article_body\">\n<div class=\"pic_c\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/www.stechstar.com\/user\/zbxe\/files\/attach\/images\/2843\/559\/073\/8bcd6cda71baeb8075e1c1a489350338.jpg\" alt=\"\uc2a4\ud2f0\ube10 \ud638\ud0b9 \ubc15\uc0ac\uc640 \ub85c\uc800 \ud39c\ub85c\uc988 \uc625\uc2a4\ud37c\ub4dc\ub300 \uad50\uc218. \uc625\uc2a4\ud3ec\ub4dc\ub300 \uc81c\uacf5\" width=\"680\" height=\"366\" data-autoattach=\"success\" data-cke-saved-src=\".\/files\/attach\/images\/2843\/559\/073\/8bcd6cda71baeb8075e1c1a489350338.jpg\"><\/p>\n<div class=\"pic_desc\">\n<div class=\"pic_desc_txt\">\uc2a4\ud2f0\ube10 \ud638\ud0b9 \ubc15\uc0ac\uc640 \ub85c\uc800 \ud39c\ub85c\uc988 \uc625\uc2a4\ud37c\ub4dc\ub300 \uad50\uc218. \uc625\uc2a4\ud3ec\ub4dc\ub300 \uc81c\uacf5<\/div>\n<\/div>\n<\/div>\n<p><strong>\u203b\ud3b8\uc9d1\uc790 \uc8fc : 2020\ub144 \ub178\ubca8\ubb3c\ub9ac\ud559\uc0c1\uc744 \uacf5\ub3d9\uc73c\ub85c \uc218\uc0c1\ud55c \ub85c\uc800 \ud39c\ub85c\uc988 \uc601\uad6d \uc625\uc2a4\ud37c\ub4dc\ub300 \uad50\uc218\ub294 \ub3c5\ucc3d\uc801\uc778 \uc218\ud559\uc801 \ubc29\ubc95\uc744 \uc0ac\uc6a9\ud574 \ube14\ub799\ud640\uc774 \uc77c\ubc18 \uc0c1\ub300\uc131 \uc774\ub860\uc758 \uc9c1\uc811\uc801\uc778 \uacb0\uacfc\uc784\uc744 \uc99d\uba85\ud588\uc2b5\ub2c8\ub2e4. 1965\ub144 1\uc6d4 \uad6d\uc81c\ud559\uc220\uc9c0 \u2018\ud53c\uc9c0\uceec \ub9ac\ubdf0 \ub808\ud130\uc2a4\u2019\uc5d0 \u2018\uc911\ub825\uc218\ucd95\uacfc \uc2dc\uacf5\uac04\uc758 \ud2b9\uc774\uc810\ub4e4(Gravitational collapse and space-time singularities)\u2019\uc774\ub77c\ub294 \uc81c\ubaa9\uc73c\ub85c \uc2e4\ub9b0 \uadf8\uc758 \ud575\uc2ec \ub17c\ubb38\uc744 \uc790\uc138\ud788 \ud574\uc124\ud574\ub4dc\ub9bd\ub2c8\ub2e4.<\/strong><\/p>\n<p>\ube14\ub799\ud640\uc758 \uc874\uc7ac\uc5d0 \ub300\ud55c 1960\ub144\ub300 \ubb3c\ub9ac\ud559\uc790\ub4e4\uc758 \ub17c\uc7c1\uc744 \uc27d\uac8c \uc774\ud574\ud558\uae30 \uc704\ud574 \uc6d0\ud1b5 \ubaa8\uc591\uc758 \ud1b5\ub098\ubb34\ub97c \ud3c9\ud3c9\ud55c \ud45c\uba74 \uc704\uc5d0 \ub358\uc84c\uc744 \ub54c \ud3c9\ud615 \uc0c1\ud0dc\ub97c \uad6c\ud558\ub294 \uc815\uc5ed\ud559 \ubb38\uc81c\ub97c \uc608\ub85c \ub4e4\uc5b4 \ubcf4\uc790. \uc774 \ubb38\uc81c\uc5d0\ub294 \ud1b5\ub098\ubb34\uac00 \ub204\uc6cc \uc788\ub294 \uacbd\uc6b0\ucc98\ub7fc \ub9ce\uc740 \ud574\uac00 \uc788\uc744 \uc218 \uc788\uc9c0\ub9cc, \uacc4\uc0b0\uc744 \ub2e8\uc21c\ud654\ud558\uae30 \uc704\ud574 \uc218\uc9c1 \ucd95\uc5d0 \ub300\ud574 \ud68c\uc804 \ub300\uce6d\uc131\uc774 \uc788\ub294 \uacbd\uc6b0\ub9cc\uc744 \uace0\ub824\ud55c\ub2e4\uace0 \uac00\uc815\ud55c\ub2e4. \uc774 \uacbd\uc6b0 \uc624\uc9c1 \uc6d0\ud1b5\uc758 \uc911\uc2ec\ucd95\uc774 \uc218\uc9c1 \ucd95\uacfc \uc77c\uce58\ud558\ub3c4\ub85d \ud1b5\ub098\ubb34\uac00 \uaf3f\uaf3f\uc774 \uc11c \uc788\ub294 \uacbd\uc6b0\ub9cc \ub0a8\uac8c \ub41c\ub2e4.<\/p>\n<div class=\"pic_c\"><img decoding=\"async\" src=\"http:\/\/www.stechstar.com\/user\/zbxe\/files\/attach\/images\/2843\/559\/073\/63f2ddb40c3c4450cfd722fb4274dd30.jpg\" alt=\"\" data-autoattach=\"success\" data-cke-saved-src=\".\/files\/attach\/images\/2843\/559\/073\/63f2ddb40c3c4450cfd722fb4274dd30.jpg\"><\/p>\n<div class=\"pic_desc\">\n<div class=\"pic_desc_txt\">&nbsp;<\/div>\n<\/div>\n<\/div>\n<p>\ub9cc\uc57d \ud1b5\ub098\ubb34\uac00 \ucda9\ubd84\ud788 \uc9e7\uace0 \uad75\ub2e4\uba74 \uc774 \ud574\ub294 \ub9e4\uc6b0 \uc548\uc815\uc801\uc774\uba70, \uc2e4\uc81c\ub85c \uc6b0\ub9ac\uac00 \ud1b5\ub098\ubb34\ub97c \uc9c0\uba74\uc5d0 \ub358\uc84c\uc744 \ub54c \uc774\ub7f0 \ubaa8\uc2b5\uc774 \ub098\uc62c \uac00\ub2a5\uc131\uc774 \ub192\ub2e4. \ud558\uc9c0\ub9cc \ud1b5\ub098\ubb34\uac00 \ub9e4\uc6b0 \uac00\ub298\uace0 \uae38\ub2e4\uba74, \uc774 \ud68c\uc804 \ub300\uce6d\uc131\uc744 \uac00\uc9c4 \ud574\ub294 \ub9e4\uc6b0 \ubd88\uc548\uc815\ud560 \uac83\uc774\uace0, \uc2e4\uc81c\ub85c \ud1b5\ub098\ubb34\ub97c \ub358\uc84c\uc744 \ub54c \uc774\ub807\uac8c \uc11c \uc788\uc744 \uac00\ub2a5\uc131\uc740 \uac70\uc758 \uc5c6\ub2e4. \uc288\ubc14\ub974\uce20\uc2e4\ud2b8 \uc2dc\uacf5\uac04\uc758 \ube14\ub799\ud640\uacfc \ud2b9\uc774\uc810\uc5d0 \ub300\ud55c \ub2f9\ub300 \ubb3c\ub9ac\ud559\uc790\ub4e4\uc758 \ube44\ud310\uc740 \ub9c8\uce58 \uac00\ub298\uace0 \uae34 \ud1b5\ub098\ubb34 \ubb38\uc81c\ucc98\ub7fc \uc774\ub7f0 \ud574\uac00 \ub9e4\uc6b0 \ubd88\uc548\uc815\ud574 \ubb3c\ub9ac\uc801\uc73c\ub85c \uc2e4\uc7ac\ud558\uc9c0 \ubabb\ud560 \uac83\uc774\ub77c\ub294 \uc598\uae30\uc600\ub2e4.<\/p>\n<p>\uc774\ub7f0 \uc0c1\ud669\uc744 \uc885\uacb0\uc9c0\uc740 \uac83\uc774 \ub85c\uc800 \ud39c\ub85c\uc988 \uc601\uad6d \uc625\uc2a4\ud37c\ub4dc\ub300 \uad50\uc218\uac00 1965\ub144 1\uc6d4 \uad6d\uc81c\ud559\uc220\uc9c0\uc5d0 \ubc1c\ud45c\ud55c \u2018\uc911\ub825\uc218\ucd95\uacfc \uc2dc\uacf5\uac04\uc758 \ud2b9\uc774\uc810\ub4e4\u2019\uc774\ub77c\ub294 \ub17c\ubb38\uc774\ub2e4. \uc5ec\uae30\uc11c \uadf8\ub294 \uc77c\ubc18 \uc0c1\ub300\uc131 \uc774\ub860\uc758 \ud574(\uc218\ud559\uc801 \ub2f5\uc548)\ub85c \uc81c\uc2dc\ub410\ub358 \uc288\ubc14\ub974\uce20\uc2e4\ud2b8 \uc2dc\uacf5\uac04\uc5d0\uc11c \uc608\uce21\ud560 \uc218 \uc788\ub294 \ud2b9\uc774\uc810\uc774 \ub2e8\uc9c0 \uc218\ud559\uc801 \ud5c8\uc0c1\uc774 \uc544\ub2c8\uba70, \uc2e4\uc81c \ucc9c\uccb4 \ubd95\uad34\uc5d0\uc11c \ubc1c\uc0dd\ud560 \uc218 \uc788\ub2e4\ub294 \uac83\uc744 \uc218\ud559\uc801 \ub17c\uc99d\uc744 \ud1b5\ud574 \uc99d\uba85\ud588\ub2e4.<\/p>\n<p>\ub17c\uc99d\uc758 \uacb0\ub860\uc740 \u2018\uc77c\ubc18\uc801\uc778 \ubb3c\uc9c8\u2019\uacfc \ud568\uaed8 \uc544\uc778\uc288\ud0c0\uc778 \ubc29\uc815\uc2dd\uc744 \ub9cc\uc871\ud558\uba70 \uace0\ub9bd\ub41c \ucc9c\uccb4\ub97c \uae30\uc220\ud558\ub294 \uc2dc\uacf5\uac04\uc5d0 \u2018\uac07\ud78c \ud45c\uba74(closed trapped surface)\u2019\uc774 \uc874\uc7ac\ud558\uba74, \uc2dc\uacf5\uac04\uc758 \ud2b9\uc774\uc810\uc774 \uc874\uc7ac\ud55c\ub2e4\ub294 \uac83\uc774\ub2e4. \uc5ec\uae30\uc11c \ud575\uc2ec\uc740 \uac07\ud78c \ud45c\uba74\uc758 \uc874\uc7ac\uc131 \uac00\uc815\uc740 \ub9c8\uce58 \uc9e7\uace0 \uad75\uc740 \ud1b5\ub098\ubb34\uc758 \uc608\ucc98\ub7fc \uc57d\uac04\uc758 \ubcc0\ud654\uc5d0\ub3c4 \uc601\ud5a5\uc744 \ubc1b\uc9c0 \uc54a\ub294 \uc548\uc815\uc131\uc744 \ub9cc\uc871\ud55c\ub2e4\ub294 \uc810\uc774\ub2e4. \uc288\ubc14\ub974\uce20\uc2e4\ud2b8 \uc2dc\uacf5\uac04 \uc18d \uc288\ubc14\ub974\uce20\uc2e4\ud2b8 \ubc18\uc9c0\ub984\uc758 \uc548\ucabd \uad6c\uba74\uc740 \ubaa8\ub450 \uac07\ud78c \ud45c\uba74\uc5d0 \ud574\ub2f9\ud558\uba70, \ud39c\ub85c\uc988 \uad50\uc218\uc758 \uc99d\uba85\uc744 \uc801\uc6a9\ud558\uba74 \uc5ec\uae30\uc11c \ube44\ub86f\ub418\ub294 \ud2b9\uc774\uc810\uc774 \ucda9\ubd84\ud788 \uc548\uc815\uc801\uc774\ub77c\ub294 \uacb0\ub860\uc774 \ub098\uc628\ub2e4.<\/p>\n<p>\ud39c\ub85c\uc988 \uad50\uc218\uc758 \uc99d\uba85\uc73c\ub85c \ub098\uc544\uac00\uae30 \uc704\ud574 \uba3c\uc800 \uac07\ud78c \ud45c\uba74\uc758 \uac1c\ub150\uc744 \uc815\uc758\ud558\uc790. \uc9c0\uad6c \uc704\uc758 \uc5b4\ub450\uc6b4 \uc2e4\ud5d8\uc2e4 \uc548, \uc591\uba74\uc5d0\uc11c \ube5b\uc744 \ub0b4\ub294 \uad6c \ubaa8\uc591\uc758 \uc804\ub4f1\uc744 \uc0dd\uac01\ud558\uc790. \uad6c\ud615 \uc804\ub4f1\uc744 \uc7a0\uae50 \ubc18\uc9dd\uc774\uba74 (\uadf8\ub9ac\uace0 \ube5b\uc758 \uc6b4\ub3d9\uc744 \ubcfc \uc218 \uc788\ub2e4\uba74) \uc804\ub4f1\uc744 \uc774\ub8e8\ub294 \uad6c\uba74\uc758 \uc548\ucabd\uacfc \ubc14\uae65\ucabd\uc73c\ub85c \ubed7\uc5b4\ub098\uac00\ub294 \ub450 \uc885\ub958\uc758 \uad6c\ud615 \ube5b \ud30c\uba74\uc774 \uc0dd\uae38 \uac83\uc774\ub2e4. \uc774\ub54c \uc548\ucabd\uc758 \ud30c\uba74\uc740 \uc21c\uac04 \uadf8 \ub113\uc774\uac00 \uc904\uc5b4\ub4e4\uc9c0\ub9cc, \ubc14\uae65\ucabd\uc758 \ud30c\uba74\uc740 \ub113\uc774\uac00 \ub298\uc5b4\ub098\ub294 \uac83\uc744 \uad00\ucc30\ud560 \uc218 \uc788\ub2e4. \uac07\ud78c \ud45c\uba74\uc774\ub780 \uc774\uc640\ub294 \ub2ec\ub9ac \uadf8 \ud45c\uba74\uc5d0\uc11c \ube44\ub86f\ub41c \ube5b\uc758 \ub450 \ud30c\uba74 \ubaa8\ub450\uc5d0\uc11c \uc21c\uac04\uc801\uc73c\ub85c \uadf8 \ub113\uc774\uac00 \uc904\uc5b4\ub4dc\ub294 \ud45c\uba74\uc744 \ub9d0\ud55c\ub2e4. \uc989, \uac07\ud78c \ud45c\uba74\uc774 \uc788\ub294 \uc601\uc5ed\uc740 \ube5b\uc774 \ube44\uc0c1\uc2dd\uc801\uc73c\ub85c \ud720 \uc815\ub3c4\ub85c \uc911\ub825\uc7a5\uc774 \ub9e4\uc6b0 \uac15\ud55c \uc601\uc5ed\uc778 \uac83\uc774\ub2e4.<\/p>\n<div class=\"pic_c\"><img decoding=\"async\" src=\"http:\/\/www.stechstar.com\/user\/zbxe\/files\/attach\/images\/2843\/559\/073\/8eeaabd295a89b34a92648d2c75cdd6d.jpg\" alt=\"\" data-autoattach=\"success\" data-cke-saved-src=\".\/files\/attach\/images\/2843\/559\/073\/8eeaabd295a89b34a92648d2c75cdd6d.jpg\"><\/p>\n<div class=\"pic_desc\">\n<div class=\"pic_desc_txt\">&nbsp;<\/div>\n<\/div>\n<\/div>\n<p>\uc774\ub7f0 \uac1c\ub150\uc744 \uc815\uc758\ud55c \ud39c\ub85c\uc988 \uad50\uc218\ub294 \uc99d\uba85\uc744 \uc704\ud574 \uadc0\ub958\ubc95\uc744 \uc0ac\uc6a9\ud588\ub2e4. \ub9cc\uc57d \uc2dc\uacf5\uac04\uc5d0 \ud2b9\uc774\uc810\uc774 \uc874\uc7ac\ud558\uc9c0 \uc54a\ub294\ub2e4\uace0 \uac00\uc815\ud558\uba74, \ud544\uc5f0\uc801\uc73c\ub85c \ubaa8\uc21c\uc774 \ubc1c\uc0dd\ud55c\ub2e4\ub294 \uac83\uc744 \uc785\uc99d\ud558\ub294 \uac83\uc774\ub2e4. \uc774 \ubaa8\uc21c\uc740 \uac07\ud78c \ud45c\uba74\uc758 \uc874\uc7ac\uc131\uacfc \uc77c\ubc18\uc801\uc778 \ubb3c\uc9c8 \uc870\uac74\uc5d0\uc11c \ube44\ub86f\ub41c \uad6d\uc18c(local)\uc801 \uc131\uc9c8, \uc2dc\uacf5\uac04\uc774 \uace0\ub9bd\ub41c \ucc9c\uccb4\ub97c \uae30\uc220\ud55c\ub2e4\ub294 \ub300\uc5ed(global)\uc801 \uc131\uc9c8 \uac04 \ub300\uce58\uc5d0\uc11c \ube44\ub86f\ub41c\ub2e4. \uc774\ub294 \ubbf8\ubd84\uae30\ud558\ud559\uc5d0\uc11c \ud754\ud788 \uc4f0\uc774\ub294 \ub17c\uc99d \ubc29\ubc95\uc774\ub2e4.<\/p>\n<p>\uac07\ud78c \ud45c\uba74\uc774 \ubc18\uc9dd\uc600\uc744 \ub54c \uc0dd\uae30\ub294 \ubaa8\ub4e0 \ube5b\uc758 \uada4\uc801\uc744 \uad00\ucc30\ud558\ub294 \uac83\uc73c\ub85c \uc2dc\uc791\ud574 \ubcf4\uc790. \uac07\ud78c \ud45c\uba74 \uc704\uc5d0 \uc788\ub294 \uc77c\ubc18\uc801\uc778 \ubb3c\uc9c8\uc5d0\uc11c \uc911\ub825\uc740 \uc11c\ub85c \ub2f9\uae30\ub294 \ud798\uc774\ubbc0\ub85c \ube5b\uc758 \uada4\uc801\uc740 \uc11c\ub85c \uc810\uc810 \ubaa8\uc774\uac8c \ub41c\ub2e4. \ud2b9\uc774\uc810\uc774 \uc874\uc7ac\ud558\uc9c0 \uc54a\ub294\ub2e4\ub294 \uac00\uc815\uc5d0 \uc758\ud574 \ube5b\uc740 \uc5b8\uc81c\ub098 \uc9c4\ud589\ud560 \uc218 \uc788\uc73c\uba70, \uac07\ud78c \ud45c\uba74\uc5d0\uc11c \ube44\ub86f\ub41c \uac01 \ube5b\uc758 \uada4\uc801\uc744 \ub530\ub77c \uacb0\uad6d \uc8fc\ubcc0 \ube5b\uc774 \uc9d1\uc911\ub418\uba70 \ucd08\uc810\uc774 \ud615\uc131\ub420 \uac83\uc774\ub2e4(\uad6d\uc18c\uc801 \uacb0\ub860). \uc5ec\uae30\uc5d0 \uc2dc\uacf5\uac04\uc774 \uace0\ub9bd\ub41c \ucc9c\uccb4\ub97c \uae30\uc220\ud55c\ub2e4\ub294 \ub300\uc5ed\uc801\uc778 \uac00\uc815(\uc5c4\ubc00\ud788\ub294 \ubc00\uc9d1\ub418\uc9c0 \uc54a\uc740 \ucd08\uae30 \uacf5\uac04\uc774 \uc788\ub2e4\ub294 \uac00\uc815)\uc744 \ub354\ud558\uba74, \uc2dc\uacf5\uac04 \ub0b4\uc758 \ubaa8\ub4e0 \uad00\ucc30\uc790(\uc2dc\uac04\uaf34 \uada4\uc801)\uc640 \uac07\ud78c \ud45c\uba74 \uc0ac\uc774\uc5d0 \ucd08\uc810\uc774 \ud615\uc131\ub418\uc9c0 \uc54a\ub294 \ube5b\uc758 \uada4\uc801\uc774 \uc874\uc7ac\ud574\uc57c \ud55c\ub2e4\ub294 \uac83\uc744 \uc99d\uba85\ud560 \uc218 \uc788\ub2e4(\ub300\uc5ed\uc801 \uacb0\ub860). \ub17c\uc99d\uc744 \ub354 \uc774\uc5b4\uac00\uba74 \uad6d\uc18c\uc801 \uacb0\ub860\uacfc \ub300\uc5ed\uc801 \uacb0\ub860\uc73c\ub85c\ubd80\ud130 \ubaa8\uc21c\uc744 \ub3c4\ucd9c\ud574\ub0bc \uc218 \uc788\uace0, \uadf8\ub7ec\ubbc0\ub85c \uac00\uc815\uc740 \ucc38\uc77c \uc218 \uc5c6\ub2e4.<\/p>\n<p>\uc774 \uacb0\ub860\ub4e4\uc740 \ubb3c\ub9ac\ud559\uc801 \ub0b4\uc6a9\uc744 \ub2f4\uace0 \uc788\uc9c0\ub9cc, \uc218\ud559\uc801\uc73c\ub85c \ub9e4\uc6b0 \uc544\ub984\ub2e4\uc6b4 \uae30\ud558\ud559 \uc815\ub9ac\ub77c \ubcfc \uc218 \uc788\ub2e4. \uc77c\ubc18\uc801\uc778 \ubb3c\uc9c8, \uac07\ud78c \ud45c\uba74 \ub4f1\uc774 \ubaa8\ub450 \uc5c4\ubc00\ud55c \ubbf8\ubd84\uae30\ud558\ud559\uc801 \uac1c\ub150\uc73c\ub85c \uc815\uc758\ud560 \uc218 \uc788\uc73c\uba70, \uadf8 \uc99d\uba85 \ub610\ud55c \uae30\ud558\ud559\uc801 \ub17c\uc99d\uc774\uae30 \ub54c\ubb38\uc774\ub2e4.<\/p>\n<p>\ud39c\ub85c\uc988 \uad50\uc218\uac00 \ubc1c\ud45c\ud55c 1965\ub144 \ub17c\ubb38\uc758 \uc601\ud5a5\ub825\uc740 \ub2f9\ub300\ub97c \ub118\uc5b4 \ud604\uc7ac\uae4c\uc9c0\ub3c4 \uc774\uc5b4\uc9c0\uace0 \uc788\ub2e4. \uadf8\uc758 \ub17c\ubb38\uc774 \ubc1c\ud45c\ub41c \ub4a4, \ub2f9\uc2dc \uc601\uad6d \ucf00\uc784\ube0c\ub9ac\uc9c0\ub300 \ub300\ud559\uc6d0\uc0dd\uc774\uc5c8\ub358 \uc2a4\ud2f0\ube10 \ud638\ud0b9\uc740 \ud39c\ub85c\uc988\uc758 \uc544\uc774\ub514\uc5b4\uc5d0\uc11c \uc2dc\uc791\ud574 \uc2dc\uac04\uc744 \uac70\uafb8\ub85c \ub3cc\ub824\uc11c \uc6b0\uc8fc\uc758 \uc2dc\uc791\uc744 \uc124\uba85\ud558\ub294 \ube45\ubc45 \uc774\ub860\uc758 \ud2b9\uc774\uc810\ub3c4 \uc77c\ubc18 \uc0c1\ub300\uc131 \uc774\ub860\uc758 \uc790\uc5f0\uc2a4\ub7ec\uc6b4 \uacb0\uacfc\uc784\uc744 \uc99d\uba85\ud588\ub2e4(\ucc38\uace0\ub85c \uc601\ud654 \u2018\uc0ac\ub791\uc5d0 \ub300\ud55c \ubaa8\ub4e0 \uac83(2014)\u2019\uc744 \ubcf4\uba74 \ud39c\ub85c\uc988\uc640 \ud638\ud0b9\uc758 \ub9cc\ub0a8\uc774 \uc798 \uadf8\ub824\uc838 \uc788\ub2e4).<\/p>\n<p>\ud2b9\uc774\uc810\uacfc \ube14\ub799\ud640 \uac04\uc758 \uc774\ub860\uc801 \uad00\uacc4\uc5d0 \ub300\ud574 \ud39c\ub85c\uc988 \uad50\uc218\ub294 \u2018\uc6b0\uc8fc \uac80\uc5f4 \uac00\uc124\u2019\uc774\ub77c \ubd88\ub9ac\ub294 \uc5ec\ub7ec \ucd94\uce21\uc744 \ubc1c\ud45c\ud588\uace0, \uc774\uc5d0 \ub300\ud55c \uc5f0\uad6c\ub294 \ubb3c\ub9ac\ud559\uacc4\uc640 \uc218\ud559\uacc4\uc5d0\uc11c \uc9c0\uae08\uae4c\uc9c0\ub3c4 \ud65c\ubc1c\ud788 \uc9c4\ud589\ub418\uace0 \uc788\ub2e4. \ub05d\uc73c\ub85c \ube14\ub799\ud640 \uc2e4\uc7ac \uad00\uce21 \uc99d\uac70\ub97c \ubc1c\uacac\ud574 \ud39c\ub85c\uc988 \uad50\uc218\uc640 \ud568\uaed8 \ub178\ubca8\ubb3c\ub9ac\ud559\uc0c1\uc744 \ubc1b\uc740 \uacfc\ud559\uc790\ub4e4\uc758 \uc5c5\uc801\uc774\ub098, 2019\ub144 \uc0ac\uac74\uc9c0\ud3c9\uc120\ub9dd\uc6d0\uacbd(EHT) \uc5f0\uad6c\ud300\uc5d0\uc11c \ucc98\uc74c\uc73c\ub85c \ube14\ub799\ud640\uc758 \uc0ac\uc9c4\uc744 \uc5bb\uc5b4\ub0b8 \uc5c5\uc801 \ub4f1 \ub9ce\uc740 \uc9c4\uc804\uc774 \uc788\uc5c8\ub2e4. \uc774 \ubaa8\ub4e0 \ubc1c\uc804\uc740 55\ub144 \uc804 \ud39c\ub85c\uc988 \uad50\uc218\uac00 \uc99d\uba85\ud55c \uc544\ub984\ub2e4\uc6b4 \uc815\ub9ac\uac00 \uc544\ub2c8\uc5c8\ub2e4\uba74 \ubd88\uac00\ub2a5\ud588\uc744 \uac83\uc774\ub2e4.<\/p>\n<div class=\"pic_c\"><img decoding=\"async\" src=\"http:\/\/www.stechstar.com\/user\/zbxe\/files\/attach\/images\/2843\/559\/073\/5e4137e1bea98ad6a3524786f81a92a4.jpg\" alt=\"\" data-autoattach=\"success\" data-cke-saved-src=\".\/files\/attach\/images\/2843\/559\/073\/5e4137e1bea98ad6a3524786f81a92a4.jpg\"><\/p>\n<div class=\"pic_desc\">\n<div class=\"pic_desc_txt\">&nbsp;<\/div>\n<\/div>\n<\/div>\n<p><a href=\"http:\/\/%EB%8F%84%EC%A0%84%21%EB%85%B8%EB%B2%A8%EB%AC%BC%EB%A6%AC%ED%95%99%EC%83%81%20%27%ED%8E%9C%EB%A1%9C%EC%A6%88%20%ED%8A%B9%EC%9D%B4%EC%A0%90%20%EC%A0%95%EB%A6%AC%27\/\" data-cke-saved-href=\"http:\/\/%EB%8F%84%EC%A0%84%21%EB%85%B8%EB%B2%A8%EB%AC%BC%EB%A6%AC%ED%95%99%EC%83%81%20%27%ED%8E%9C%EB%A1%9C%EC%A6%88%20%ED%8A%B9%EC%9D%B4%EC%A0%90%20%EC%A0%95%EB%A6%AC%27\/\">\u203b\uad00\ub828\uae30\uc0ac&nbsp;<\/a><\/p>\n<p><a href=\"https:\/\/dl.dongascience.com\/magazine\/view\/S202011N016\" data-cke-saved-href=\"https:\/\/dl.dongascience.com\/magazine\/view\/S202011N016\">\uacfc\ud559\ub3d9\uc544&nbsp;11\uc6d4\ud638,&nbsp;\ub3c4\uc804!\ub178\ubca8\ubb3c\ub9ac\ud559\uc0c1 &#8216;\ud39c\ub85c\uc988 \ud2b9\uc774\uc810 \uc815\ub9ac&#8217;<\/a><\/p>\n<p>\u203b\ud544\uc790\uc18c\uac1c<\/p>\n<p><strong>\uc624\uc131\uc9c4.&nbsp;<\/strong>\ubbf8\uad6d \ubc84\ud074\ub9ac \uce98\ub9ac\ud3ec\ub2c8\uc544\ub300(UC\ubc84\ud074\ub9ac) \uc218\ud559\uacfc \uad50\uc218(\uacb8 \uace0\ub4f1\uacfc\ud559\uc6d0 \uc218\ud559\ubd80 \ube44\uc804\uc784\uad50\uc218)\ub85c \uc7ac\uc9c1 \uc911\uc774\ub2e4. \uc77c\ubc18 \uc0c1\ub300\uc131 \uc774\ub860, \uc720\uccb4 \uc5ed\ud559 \ub4f1 \ubb3c\ub9ac\ud559\uc5d0\uc11c \ube44\ub86f\ub418\ub294 \ube44\uc120\ud615 \ud3b8\ubbf8\ubd84 \ubc29\uc815\uc2dd\uc758 \uc5c4\ubc00\ud55c \uc218\ud559\uc801 \uc774\ud574\ub97c \uc5f0\uad6c\ud558\uace0 \uc788\ub2e4. sjoh@math.berkeley.edu<\/p>\n<div class=\"pic_c\"><img decoding=\"async\" src=\"http:\/\/www.stechstar.com\/user\/zbxe\/files\/attach\/images\/2843\/559\/073\/98fe00504937d967618d273ab23a6700.jpg\" alt=\"\" data-autoattach=\"success\" data-cke-saved-src=\".\/files\/attach\/images\/2843\/559\/073\/98fe00504937d967618d273ab23a6700.jpg\"><\/p>\n<div class=\"pic_desc\">&nbsp;<\/div>\n<\/div>\n<\/div>\n<p>[\ucd9c\ucc98]&nbsp;http:\/\/dongascience.donga.com\/news.php?idx=41191<\/p>\n<div class=\"pvc_clear\"><\/div>\n<p id=\"pvc_stats_8784\" class=\"pvc_stats all  \" data-element-id=\"8784\" style=\"\"><i class=\"pvc-stats-icon medium\" aria-hidden=\"true\"><svg aria-hidden=\"true\" focusable=\"false\" data-prefix=\"far\" data-icon=\"chart-bar\" role=\"img\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewBox=\"0 0 512 512\" class=\"svg-inline--fa fa-chart-bar fa-w-16 fa-2x\"><path fill=\"currentColor\" d=\"M396.8 352h22.4c6.4 0 12.8-6.4 12.8-12.8V108.8c0-6.4-6.4-12.8-12.8-12.8h-22.4c-6.4 0-12.8 6.4-12.8 12.8v230.4c0 6.4 6.4 12.8 12.8 12.8zm-192 0h22.4c6.4 0 12.8-6.4 12.8-12.8V140.8c0-6.4-6.4-12.8-12.8-12.8h-22.4c-6.4 0-12.8 6.4-12.8 12.8v198.4c0 6.4 6.4 12.8 12.8 12.8zm96 0h22.4c6.4 0 12.8-6.4 12.8-12.8V204.8c0-6.4-6.4-12.8-12.8-12.8h-22.4c-6.4 0-12.8 6.4-12.8 12.8v134.4c0 6.4 6.4 12.8 12.8 12.8zM496 400H48V80c0-8.84-7.16-16-16-16H16C7.16 64 0 71.16 0 80v336c0 17.67 14.33 32 32 32h464c8.84 0 16-7.16 16-16v-16c0-8.84-7.16-16-16-16zm-387.2-48h22.4c6.4 0 12.8-6.4 12.8-12.8v-70.4c0-6.4-6.4-12.8-12.8-12.8h-22.4c-6.4 0-12.8 6.4-12.8 12.8v70.4c0 6.4 6.4 12.8 12.8 12.8z\" class=\"\"><\/path><\/svg><\/i> <img loading=\"lazy\" decoding=\"async\" width=\"16\" height=\"16\" alt=\"Loading\" src=\"https:\/\/www.stechstar.com\/user\/wordpress\/wp-content\/plugins\/page-views-count\/ajax-loader-2x.gif\" border=0 \/><\/p>\n<div class=\"pvc_clear\"><\/div>\n","protected":false},"excerpt":{"rendered":"<p>[\ud504\ub9ac\ubbf8\uc5c4 \ub9ac\ud3ec\ud2b8] \ub178\ubca8\ubb3c\ub9ac\ud559\uc0c1 \u2018\ud39c\ub85c\uc988 \ud2b9\uc774\uc810 \uc815\ub9ac\u2019 \uc774\ud574\ud558\uae30 2020.11.07 15:00 \uc2a4\ud2f0\ube10 \ud638\ud0b9 \ubc15\uc0ac\uc640 \ub85c\uc800 \ud39c\ub85c\uc988 \uc625\uc2a4\ud37c\ub4dc\ub300 \uad50\uc218. \uc625\uc2a4\ud3ec\ub4dc\ub300 \uc81c\uacf5 \u203b\ud3b8\uc9d1\uc790 \uc8fc : 2020\ub144 \ub178\ubca8\ubb3c\ub9ac\ud559\uc0c1\uc744 \uacf5\ub3d9\uc73c\ub85c \uc218\uc0c1\ud55c \ub85c\uc800 \ud39c\ub85c\uc988 \uc601\uad6d \uc625\uc2a4\ud37c\ub4dc\ub300 \uad50\uc218\ub294 \ub3c5\ucc3d\uc801\uc778 \uc218\ud559\uc801 \ubc29\ubc95\uc744 \uc0ac\uc6a9\ud574 \ube14\ub799\ud640\uc774 \uc77c\ubc18 \uc0c1\ub300\uc131 \uc774\ub860\uc758 \uc9c1\uc811\uc801\uc778 \uacb0\uacfc\uc784\uc744 \uc99d\uba85\ud588\uc2b5\ub2c8\ub2e4. 1965\ub144 1\uc6d4 \uad6d\uc81c\ud559\uc220\uc9c0 \u2018\ud53c\uc9c0\uceec \ub9ac\ubdf0 \ub808\ud130\uc2a4\u2019\uc5d0 \u2018\uc911\ub825\uc218\ucd95\uacfc \uc2dc\uacf5\uac04\uc758 \ud2b9\uc774\uc810\ub4e4(Gravitational collapse and space-time singularities)\u2019\uc774\ub77c\ub294 \uc81c\ubaa9\uc73c\ub85c [&hellip;]<\/p>\n<div class=\"pvc_clear\"><\/div>\n<p id=\"pvc_stats_8784\" class=\"pvc_stats all  \" data-element-id=\"8784\" style=\"\"><i class=\"pvc-stats-icon medium\" aria-hidden=\"true\"><svg aria-hidden=\"true\" focusable=\"false\" data-prefix=\"far\" data-icon=\"chart-bar\" role=\"img\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewBox=\"0 0 512 512\" class=\"svg-inline--fa fa-chart-bar fa-w-16 fa-2x\"><path fill=\"currentColor\" d=\"M396.8 352h22.4c6.4 0 12.8-6.4 12.8-12.8V108.8c0-6.4-6.4-12.8-12.8-12.8h-22.4c-6.4 0-12.8 6.4-12.8 12.8v230.4c0 6.4 6.4 12.8 12.8 12.8zm-192 0h22.4c6.4 0 12.8-6.4 12.8-12.8V140.8c0-6.4-6.4-12.8-12.8-12.8h-22.4c-6.4 0-12.8 6.4-12.8 12.8v198.4c0 6.4 6.4 12.8 12.8 12.8zm96 0h22.4c6.4 0 12.8-6.4 12.8-12.8V204.8c0-6.4-6.4-12.8-12.8-12.8h-22.4c-6.4 0-12.8 6.4-12.8 12.8v134.4c0 6.4 6.4 12.8 12.8 12.8zM496 400H48V80c0-8.84-7.16-16-16-16H16C7.16 64 0 71.16 0 80v336c0 17.67 14.33 32 32 32h464c8.84 0 16-7.16 16-16v-16c0-8.84-7.16-16-16-16zm-387.2-48h22.4c6.4 0 12.8-6.4 12.8-12.8v-70.4c0-6.4-6.4-12.8-12.8-12.8h-22.4c-6.4 0-12.8 6.4-12.8 12.8v70.4c0 6.4 6.4 12.8 12.8 12.8z\" class=\"\"><\/path><\/svg><\/i> <img loading=\"lazy\" decoding=\"async\" width=\"16\" height=\"16\" alt=\"Loading\" src=\"https:\/\/www.stechstar.com\/user\/wordpress\/wp-content\/plugins\/page-views-count\/ajax-loader-2x.gif\" border=0 \/><\/p>\n<div class=\"pvc_clear\"><\/div>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"ngg_post_thumbnail":0,"footnotes":""},"categories":[26],"tags":[],"class_list":["post-8784","post","type-post","status-publish","format-standard","hentry","category-26"],"a3_pvc":{"activated":true,"total_views":594,"today_views":0},"_links":{"self":[{"href":"https:\/\/www.stechstar.com\/user\/wordpress\/wp-json\/wp\/v2\/posts\/8784","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.stechstar.com\/user\/wordpress\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.stechstar.com\/user\/wordpress\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.stechstar.com\/user\/wordpress\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.stechstar.com\/user\/wordpress\/wp-json\/wp\/v2\/comments?post=8784"}],"version-history":[{"count":1,"href":"https:\/\/www.stechstar.com\/user\/wordpress\/wp-json\/wp\/v2\/posts\/8784\/revisions"}],"predecessor-version":[{"id":8785,"href":"https:\/\/www.stechstar.com\/user\/wordpress\/wp-json\/wp\/v2\/posts\/8784\/revisions\/8785"}],"wp:attachment":[{"href":"https:\/\/www.stechstar.com\/user\/wordpress\/wp-json\/wp\/v2\/media?parent=8784"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.stechstar.com\/user\/wordpress\/wp-json\/wp\/v2\/categories?post=8784"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.stechstar.com\/user\/wordpress\/wp-json\/wp\/v2\/tags?post=8784"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}