{"id":8852,"date":"2026-02-21T11:08:22","date_gmt":"2026-02-21T02:08:22","guid":{"rendered":"https:\/\/readtrends.com\/ko\/99-percent-dark-matter-galaxy\/"},"modified":"2026-02-21T11:08:22","modified_gmt":"2026-02-21T02:08:22","slug":"99-percent-dark-matter-galaxy","status":"publish","type":"post","link":"https:\/\/readtrends.com\/ko\/99-percent-dark-matter-galaxy\/","title":{"rendered":"\u201c99%\uac00 \uc554\ud751 \ubb3c\uc9c8?\u201d \uac70\uc758 \ubcf4\uc774\uc9c0 \uc54a\ub294 \uc740\ud558 CDG-2 \ubc1c\uacac"},"content":{"rendered":"<article>\n<h2>\ud575\uc2ec \uc694\uc57d<\/h2>\n<p>3\uc5b5 \uad11\ub144 \ub5a8\uc5b4\uc9c4 \ud398\ub974\uc138\uc6b0\uc2a4\uc790\ub9ac \uc740\ud558\ub2e8\uc5d0\uc11c \uc9c8\ub7c9\uc758 \uc57d 99%\uac00 \uc554\ud751 \ubb3c\uc9c8\uc77c \uac00\ub2a5\uc131\uc774 \uc788\ub294 \uc800\ud45c\uba74 \ubc1d\uae30 \uc740\ud558 &#8216;CDG-2&#8217;\uac00 \ubcf4\uace0\ub410\ub2e4. \ud1a0\ub860\ud1a0\ub300 \uc5f0\uad6c\ud300\uc740 \uad6c\uc0c1\uc131\ub2e8\uc758 \ubc00\uc9d1 \uc704\uce58\ub97c \ud1b5\uacc4\uc801\uc73c\ub85c \ucc3e\uc544 \ud5c8\ube14, \uc720\ud074\ub9ac\ub4dc, \uc2a4\ubc14\ub8e8 \ub9dd\uc6d0\uacbd \uc790\ub8cc\uc640 \uad50\ucc28 \uac80\uc99d\ud574 CDG-2\uc758 \uc874\uc7ac\ub97c \uaddc\uba85\ud588\ub2e4. CDG-2\uc758 \uc804\uccb4 \uac00\uc2dc\uad11 \ubc1d\uae30\ub294 \ud0dc\uc591\uae09 \ubcc4 \uc57d 600\ub9cc \uac1c\uc5d0 \ud574\ub2f9\ud558\uba70, \ub124 \uac1c\uc758 \uad6c\uc0c1\uc131\ub2e8\uc774 \uac00\uc2dc\uad11\uc758 \uc57d 16%\ub97c \ucc28\uc9c0\ud55c\ub2e4. \uad00\uce21\u00b7\ubd84\uc11d \uacb0\uacfc \ub208\uc5d0 \ubcf4\uc774\ub294 \uc9c8\ub7c9\ub9cc\uc73c\ub85c\ub294 \uc740\ud558\uc758 \uc911\ub825\uc744 \uc124\uba85\ud560 \uc218 \uc5c6\uc5b4 \uc554\ud751 \ubb3c\uc9c8 \ube44\uc728\uc774 \ub9e4\uc6b0 \ub192\uc744 \uac00\ub2a5\uc131\uc774 \uc81c\uae30\ub410\ub2e4.<\/p>\n<h2>\ud575\uc2ec \uc0ac\uc2e4<\/h2>\n<ul>\n<li>\ubc1c\uacac \uc704\uce58: \ud398\ub974\uc138\uc6b0\uc2a4\uc790\ub9ac \uc740\ud558\ub2e8, \uc9c0\uad6c\ub85c\ubd80\ud130 \uc57d 3\uc5b5 \uad11\ub144 \ub5a8\uc5b4\uc9c4 \uac70\ub9ac\ub2e4.<\/li>\n<li>\ucc9c\uccb4\uba85: \uc5f0\uad6c\ud300\uc774 \uba85\uba85\ud55c \ud6c4\ubcf4 \uc740\ud558\ub294 &#8216;CDG-2&#8217;\ub85c \ud45c\uae30\ub418\uc5c8\ub2e4.<\/li>\n<li>\uad00\uce21 \uc7a5\ube44: NASA \ud5c8\ube14 \uc6b0\uc8fc\ub9dd\uc6d0\uacbd, ESA \uc720\ud074\ub9ac\ub4dc \uc6b0\uc8fc\ub9dd\uc6d0\uacbd, \uc77c\ubcf8 \uad6d\ub9bd\ucc9c\ubb38\ub300\uc758 \uc2a4\ubc14\ub8e8 \ub9dd\uc6d0\uacbd\uc758 \ub370\uc774\ud130\ub97c \uc0ac\uc6a9\ud588\ub2e4.<\/li>\n<li>\uac00\uc2dc\uad11 \ubc1d\uae30: CDG-2\uc758 \ube5b\uc740 \ud0dc\uc591\uae09 \ubcc4 \uc57d 600\ub9cc \uac1c\uc5d0 \ud574\ub2f9\ud558\uba70, \uc774\ub294 \uc740\ud558\uc218 \uc218\uc900\uc758 \uc218\ucc9c\uc5b5 \uac1c\uc640 \ube44\uad50\ud558\uba74 \uc218\ub9cc \ubd84\uc758 1 \uc774\ud558 \uc218\uc900\uc774\ub2e4.<\/li>\n<li>\uad6c\uc0c1\uc131\ub2e8 \uae30\uc5ec: \uad00\uce21\ub41c \ube5b\uc758 \uc57d 16%\uac00 \ub124 \uac1c\uc758 \uad6c\uc0c1\uc131\ub2e8\uc5d0\uc11c \ub098\uc628\ub2e4.<\/li>\n<li>\uc9c8\ub7c9 \ubd88\uc77c\uce58: \uac00\uc2dc\uad11(\ubcc4)\ub85c \uacc4\uc0b0\ud55c \uc9c8\ub7c9\uacfc \uc740\ud558\uc758 \uc911\ub825\uc73c\ub85c \ucd94\uc815\ud55c \ucd1d\uc9c8\ub7c9 \uc0ac\uc774\uc5d0 \ud070 \uaca9\ucc28\uac00 \uc788\uc5b4 \uc9c8\ub7c9\uc758 \uc57d 99%\uac00 \uc554\ud751 \ubb3c\uc9c8\uc77c \uac00\ub2a5\uc131\uc774 \uc81c\uae30\ub418\uc5c8\ub2e4.<\/li>\n<li>\ud0d0\uc0c9 \ubc29\ubc95: \uc131\ub2e8 \ubc00\uc9d1\uc744 \uc9c0\ud45c\ub85c \uc0bc\ub294 \ud1b5\uacc4\uc801 \ud0d0\uc0c9\ubc95\uc744 \ud65c\uc6a9\ud574 \uae30\uc874 \uad00\uce21\uc5d0\uc11c \ub193\uce5c \uc800\ud45c\uba74 \ubc1d\uae30 \uc740\ud558 \ud6c4\ubcf4\ub97c \ub3c4\ucd9c\ud588\ub2e4.<\/li>\n<\/ul>\n<h2>\uc0ac\uac74 \ubc30\uacbd<\/h2>\n<p>\uc740\ud558 \uad00\uce21\uc5d0\uc11c &#8216;\uc800\ud45c\uba74 \ubc1d\uae30(LSB: Low Surface Brightness) \uc740\ud558&#8217;\ub294 \uc804\ud1b5\uc801\uc778 \uad11\ud559 \ud0d0\uc0ac\ub85c\ub294 \ub193\uce58\uae30 \uc26c\uc6b4 \ub300\uc0c1\uc774\ub2e4. \ube5b\uc744 \uac70\uc758 \ub0b4\uc9c0 \uc54a\ub294 \uc131\ubd84 \ub54c\ubb38\uc5d0 \ud45c\uc900 \ud0d0\uc0c9 \uae30\uc900\uc5d0 \uac78\ub9ac\uc9c0 \uc54a\uace0 \uc9c0\ub098\uac00\ub294 \uacbd\uc6b0\uac00 \ub9ce\uc544, \uc6b0\uc8fc\uc5d0 \uc874\uc7ac\ud558\ub294 \uc740\ud558\uc758 \uc77c\ubd80\ub294 \uad00\uce21 \ud1b5\uacc4\uc5d0\uc11c \uacfc\uc18c\ub300\ud45c\ub420 \uc218 \uc788\ub2e4. \ud2b9\ud788 \ud398\ub974\uc138\uc6b0\uc2a4\uc790\ub9ac \uac19\uc740 \ud070 \uc740\ud558\ub2e8 \ud658\uacbd\uc5d0\uc11c\ub294 \uc870\ubc00\ud55c \uc911\ub825 \uc0c1\ud638\uc791\uc6a9\uc774 \uac00\uc2a4\uc758 \uc720\ucd9c\u00b7\ud761\uc218\uc640 \ubcc4 \ud615\uc131 \uc5b5\uc81c\ub97c \ucd08\ub798\ud574 \ube44\uc815\uc0c1\uc801\uc73c\ub85c \ube5b\uc774 \uc801\uc740 \uc740\ud558\ub97c \ub9cc\ub4e4\uae30 \uc27d\ub2e4.<\/p>\n<p>\uc554\ud751 \ubb3c\uc9c8\uc740 \ube5b\uc744 \ub0b4\uc9c0 \uc54a\uc9c0\ub9cc \uc740\ud558\uc640 \uc740\ud558\ub2e8\uc758 \uc911\ub825\uc801 \uac70\ub3d9\uc744 \ud1b5\ud574 \uadf8 \uc874\uc7ac\ub97c \ucd94\ub860\ud55c\ub2e4. \uc804\ud1b5\uc801 \uc5f0\uad6c\ub294 \ud68c\uc804\uace1\uc120, \uc911\ub825 \ub80c\uc988, \uc704\uc131 \uc131\ub2e8\uc758 \uc6b4\ub3d9 \ub4f1\uc744 \ud1b5\ud574 \uc554\ud751 \ubb3c\uc9c8 \ubd84\ud3ec\ub97c \ucd94\uc815\ud574 \uc654\uc9c0\ub9cc, \uadf9\ub2e8\uc801\uc73c\ub85c \ubcc4\uc774 \uc801\uc740 \uc740\ud558\uc5d0\uc11c\ub294 \uac00\uc2dc\uad11 \uad00\uce21\ub9cc\uc73c\ub85c \ucd1d\uc9c8\ub7c9\uc744 \uc815\ud655\ud788 \uc7a1\uc544\ub0b4\uae30 \uc5b4\ub835\ub2e4. \uc774\ubc88 \uc5f0\uad6c\ub294 \uad6c\uc0c1\uc131\ub2e8\uc758 \ubd84\ud3ec\ub97c &#8216;\uc9c0\ud45c&#8217;\ub85c \ud65c\uc6a9\ud574 \uc740\ud558\uc758 \uc874\uc7ac\uc640 \uc9c8\ub7c9 \ubd88\uc77c\uce58\ub97c \ubc1d\ud78c \uc810\uc5d0\uc11c \ubc29\ubc95\ub860\uc801 \uc804\ud658\uc744 \uc2dc\ub3c4\ud588\ub2e4.<\/p>\n<h2>\uc8fc\uc694 \uc0ac\uac74<\/h2>\n<p>\uc5f0\uad6c\ud300\uc740 \uba3c\uc800 \ub113\uc740 \uc601\uc5ed\uc758 \ud56d\uc131\uc9d1\ub2e8 \ub370\uc774\ud130\ub97c \ud1b5\uacc4\uc801\uc73c\ub85c \ubd84\uc11d\ud574 \uad6c\uc0c1\uc131\ub2e8\ub4e4\uc774 \ube44\uc815\uc0c1\uc801\uc73c\ub85c \ubaa8\uc5ec \uc788\ub294 \uc9c0\uc810\uc744 \ucc3e\uc558\ub2e4. \uadf8\ub7f0 \ub2e4\uc74c \ud574\ub2f9 \uc9c0\uc810\uc5d0\uc11c \ud5c8\ube14\uc758 \uace0\ud574\uc0c1\ub3c4 \uc774\ubbf8\uc9c0\ub97c \ud655\uc778\ud558\uc790 \ub124 \uac1c\uc758 \uad6c\uc0c1\uc131\ub2e8\uc774 \uc11c\ub85c \uadfc\uc811\ud55c \ubaa8\uc2b5\uc774 \ud3ec\ucc29\ub410\ub2e4. \ud5c8\ube14 \uc601\uc0c1\uc740 \uc131\ub2e8\uc758 \uc0c1\ub300\uc801 \uc704\uce58\uc640 \ubc1d\uae30 \ubd84\ud3ec\ub97c \uc138\ubc00\ud558\uac8c \ub4dc\ub7ec\ub0c8\ub2e4.<\/p>\n<p>\uc720\ud074\ub9ac\ub4dc\uc640 \uc2a4\ubc14\ub8e8 \ub9dd\uc6d0\uacbd\uc758 \uc790\ub8cc\ub294 \ud5c8\ube14\ub85c \ud3ec\ucc29\ub41c \uad6c\uc870 \uc8fc\ubcc0\uc5d0\uc11c \ub9e4\uc6b0 \ud76c\ubbf8\ud558\uac8c \ud37c\uc9c4 \ube5b\uc744 \ucd94\uac00\ub85c \ud655\uc778\ud574 \uc8fc\uc5c8\ub2e4. \uc138 \ub9dd\uc6d0\uacbd\uc758 \ud30c\uc7a5\u00b7\ud574\uc0c1\ub3c4 \ud2b9\uc131\uc774 \uc11c\ub85c \ubcf4\uc644\ub418\uba74\uc11c, \ub300\uc0c1 \uc8fc\ubcc0\uc5d0 \uc740\ud558\ub85c \ucd94\uc815\ub418\ub294 \uad11\uc6d0 \ubd84\ud3ec\uac00 \uc874\uc7ac\ud55c\ub2e4\ub294 \uc815\ud669\uc99d\uac70\uac00 \ub204\uc801\ub410\ub2e4. \ud2b9\ud788 \uad11\ub3c4 \ubd84\uc11d \uacb0\uacfc \uc804\uccb4 \uac00\uc2dc\uad11\uc774 \ud0dc\uc591\uae09 \ubcc4 \uc57d 600\ub9cc \uac1c\uc5d0 \ud574\ub2f9\ud55c\ub2e4\ub294 \uc815\ub7c9\uc801 \uc218\uce58\uac00 \uc0b0\ucd9c\ub418\uc5c8\ub2e4.<\/p>\n<p>\uac00\uc2dc\uad11\uc5d0\uc11c \uacc4\uc0b0\ub41c \ubcc4 \uc9c8\ub7c9\uacfc \uc740\ud558\uc758 \uc804\uccb4 \uc911\ub825(\uc131\ub2e8\uc758 \uc6b4\ub3d9 \ubc0f \ubd84\ud3ec\ub85c \ucd94\uc815) \uc0ac\uc774\uc758 \ubd88\uc77c\uce58\ub294 \ub9e4\uc6b0 \ucef8\ub2e4. \ubcc4\ub85c \uc124\uba85\ud560 \uc218 \uc5c6\ub294 \uac15\ud55c \uc911\ub825\uc774 \uad00\uce21\ub3fc, \uc5f0\uad6c\uc9c4\uc740 \uc804\uccb4 \uc9c8\ub7c9\uc758 \ub300\ub2e4\uc218\uac00 \ube5b\uc744 \ub0b4\uc9c0 \uc54a\ub294 \ubb3c\uc9c8(\uc554\ud751 \ubb3c\uc9c8)\uc77c \uac00\ub2a5\uc131\uc744 \uc81c\uc2dc\ud588\ub2e4. \uc5f0\uad6c\uc9c4\uc740 CDG-2\uac00 \uc740\ud558\ub2e8 \ud658\uacbd\uc5d0\uc11c \uac00\uc2a4\uac00 \ubc15\ud0c8\ub418\uc5b4 \uc815\uc0c1\uc801 \uc131\uc7a5\uc774 \uc815\uc9c0\ub41c &#8216;\ubcc4 \uc0dd\uc0b0\uc774 \uc800\ud574\ub41c&#8217; \uc740\ud558\uc77c \uc218 \uc788\ub2e4\uace0 \ud3c9\uac00\ud55c\ub2e4.<\/p>\n<h2>\ubd84\uc11d \ubc0f \uc758\ubbf8<\/h2>\n<p>\uccab\uc9f8, \uc774\ubc88 \ubc1c\uacac\uc740 \uad00\uce21 \uc120\ud0dd\ud6a8\uacfc(selection effect)\ub97c \uc904\uc774\ub294 \uc0c8\ub85c\uc6b4 \ud0d0\uc0c9\ubc95\uc758 \ud6a8\uc6a9\uc744 \ubcf4\uc5ec\uc900\ub2e4. \uad6c\uc0c1\uc131\ub2e8\uc758 \ubc00\uc9d1\uc744 \uc2e0\ud638\ub85c \uc0bc\ub294 \ud1b5\uacc4\uc801 \ubc29\ubc95\uc740 \uae30\uc874 \uad11\ud559 \ud0d0\uc0ac\ub85c\ub294 \ucc3e\uae30 \uc5b4\ub824\uc6e0\ub358 LSB \uc740\ud558\ub97c \uc2dd\ubcc4\ud558\ub294 \ub370 \ud6a8\uacfc\uc801\uc774\uc5c8\ub2e4. \uc774 \ubc29\ubc95\uc774 \ud655\ub300 \uc801\uc6a9\ub418\uba74 \uc740\ud558\uc218 \ud1b5\uacc4\uc640 \uc740\ud558 \ud615\uc131 \uc774\ub860\uc758 \ubcf4\uc815\uc774 \ud544\uc694\ud560 \uc218 \uc788\ub2e4.<\/p>\n<p>\ub458\uc9f8, CDG-2\ucc98\ub7fc \uac00\uc2dc\uc9c8\ub7c9\uc5d0 \ube44\ud574 \ucd1d\uc9c8\ub7c9\uc774 \ud070 \uc740\ud558\ub294 \uc554\ud751 \ubb3c\uc9c8 \ubd84\ud3ec\uc640 \uc131\uc9c8\uc744 \uc2e4\ud5d8\uc801\uc73c\ub85c \ud0d0\uc0c9\ud560 \uc218 \uc788\ub294 \uc911\uc694\ud55c \ud45c\ubcf8\uc774\ub2e4. \ub9cc\uc57d \uc9c8\ub7c9\uc758 ~99%\uac00 \uc554\ud751 \ubb3c\uc9c8\uc774\ub77c\uba74, \uc554\ud751 \ubb3c\uc9c8-\uc815\uc0c1\ubb3c\uc9c8 \uc0c1\ud638\uc791\uc6a9\uc758 \ud55c\uacc4\uc640 \uc740\ud558 \ub0b4\ubd80 \ub3d9\uc5ed\ud559\uc744 \uc7ac\uac80\ud1a0\ud574\uc57c \ud55c\ub2e4. \ud2b9\ud788 \uc791\uc740 \uc740\ud558 \uaddc\ubaa8\uc5d0\uc11c\uc758 \uc554\ud751 \ubb3c\uc9c8 \ub18d\ub3c4\ub294 \uc785\uc790 \ubb3c\ub9ac\ud559\uc801 \ubaa8\ub378(\uc608: WIMP, \ucd08\uacbd\ub7c9 \uc785\uc790 \ub4f1)\uacfc \uc6b0\uc8fc\ub860\uc801 \uad6c\uc870 \ud615\uc131 \uc2dc\ub098\ub9ac\uc624\uc5d0 \uc81c\uc57d\uc744 \uc900\ub2e4.<\/p>\n<p>\uc14b\uc9f8, \uc740\ud558\ub2e8 \ud658\uacbd\uc774 \uc740\ud558 \uc9c4\ud654\uc5d0 \ubbf8\uce58\ub294 \uc601\ud5a5\uc774 \ub2e4\uc2dc \uc8fc\ubaa9\ubc1b\ub294\ub2e4. CDG-2\ub294 \uc8fc\ubcc0 \uac70\ub300\uc740\ud558\ub4e4\uacfc\uc758 \uc870\uc6b0 \uacfc\uc815\uc5d0\uc11c \uc218\uc18c \uac00\uc2a4\uac00 \ub300\ubd80\ubd84 \uc720\uc2e4\ub418\uc5b4 \ubcc4 \ud615\uc131\uc774 \ud070 \ud3ed\uc73c\ub85c \uc5b5\uc81c\ub418\uc5c8\uc744 \uac00\ub2a5\uc131\uc774 \ub192\ub2e4. \uc774\ub7f0 &#8216;\uac00\uc2a4 \ubc15\ud0c8(stripping)&#8217; \uacbd\ub85c\ub294 \uc740\ud558\uad70\u00b7\uc740\ud558\ub2e8 \ub0b4 \uc800\ud45c\uba74 \ubc1d\uae30 \uc740\ud558\uc758 \uae30\uc6d0 \ubaa8\ub378\uc5d0 \uc911\uc694\ud55c \ub2e8\uc11c\ub97c \uc81c\uacf5\ud55c\ub2e4.<\/p>\n<h2>\ube44\uad50 \ubc0f \ub370\uc774\ud130<\/h2>\n<figure>\n<table>\n<thead>\n<tr>\n<th>\ud56d\ubaa9<\/th>\n<th>CDG-2<\/th>\n<th>\uc804\ud615\uc801 \ub300\ud615 \uc740\ud558(\uc608: \uc740\ud558\uc218)<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\ud0dc\uc591\uae09 \ubcc4 \uc218(\uac00\uc2dc\uad11)<\/td>\n<td>\uc57d 6,000,000<\/td>\n<td>\uc218\ubc31\uc5b5~\uc218\ucc9c\uc5b5<\/td>\n<\/tr>\n<tr>\n<td>\uac00\uc2dc\uad11 \uae30\uc5ec(\uad6c\uc0c1\uc131\ub2e8 \ube44\uc728)<\/td>\n<td>\uc57d 16%<\/td>\n<td>\ub300\ubd80\ubd84 \ubd84\ud3ec\ud615(\ud2b9\uc815 \uc131\ub2e8 \ube44\uc728 \ub0ae\uc74c)<\/td>\n<\/tr>\n<tr>\n<td>\ucd94\uc815 \uc554\ud751 \ubb3c\uc9c8 \ube44\uc728<\/td>\n<td>\uc57d 99% \uac00\ub2a5\uc131<\/td>\n<td>\uc77c\ubc18\uc801\uc73c\ub85c \ub192\uc73c\ub098 50~90% \ubc94\uc704 \ub2e4\uc591<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/figure>\n<p>\uc704 \ud45c\ub294 CDG-2\uc758 \ubc1d\uae30\u00b7\uad6c\uc131\ube44\uac00 \uc804\ud615\uc801 \ub300\ud615 \uc740\ud558\uc640 \uc9c8\uc801\uc73c\ub85c \ud06c\uac8c \ub2e4\ub974\ub2e4\ub294 \uc810\uc744 \ubcf4\uc5ec\uc900\ub2e4. \ud2b9\ud788 \ubcc4 \uc218 \ucc28\uc774\ub294 \uc218\ub9cc \ubc30 \uc774\uc0c1\uc774\uba70, \uc774\ub294 \uad00\uce21\uc5d0\uc11c\uc758 \uac00\uc2dc\uc801 \uc2e0\ud638\uac00 \uadf9\ud788 \uc57d\ud558\ub2e4\ub294 \uc758\ubbf8\ub2e4. \ud45c\uc758 \uc554\ud751 \ubb3c\uc9c8 \ube44\uc728 \uc218\uce58\ub294 \uc5f0\uad6c\ud300\uc758 \uc9c8\ub7c9 \ubd88\uc77c\uce58 \ubd84\uc11d\uc744 \ubc14\ud0d5\uc73c\ub85c \ud55c \ucd94\uc815\uac12\uc784\uc744 \uba85\ud655\ud788 \ud574\uc57c \ud55c\ub2e4.<\/p>\n<h2>\ubc18\uc751 \ubc0f \uc778\uc6a9<\/h2>\n<p>\uc5f0\uad6c \uacb0\uacfc\uc5d0 \ub300\ud574 \uc5f0\uad6c\ud300\uc740 \uad00\uce21 \ubc29\ubc95\uc758 \uc720\ud6a8\uc131\uc744 \uac15\uc870\ud588\ub2e4. \uc5f0\uad6c\uc9c4\uc740 \uad6c\uc0c1\uc131\ub2e8 \ubc00\uc9d1\uc744 \ud45c\uc9c0\ub85c \uc0bc\ub294 \ud0d0\uc0c9\uc774 \uae30\uc874 \ub9dd\uc6d0\uacbd \uc790\ub8cc \uc18d\uc5d0 \uc228\uc740 LSB \uc740\ud558\ub97c \ucc3e\uc544\ub0bc \uc218 \uc788\uc74c\uc744 \ubcf4\uc5ec\uc900\ub2e4\uace0 \ubc1d\ud614\ub2e4.<\/p>\n<blockquote>\n<p>\u201c\uad6c\uc0c1\uc131\ub2e8\uc758 \uacf5\uac04\uc801 \uc9d1\uc801\uc744 \ucd94\uc801\ud558\uba74, \uc9c1\uc811 \ubc1d\uae30\ub97c \uae30\uc900\uc73c\ub85c \ub193\ucce4\ub358 \uc740\ud558\ub4e4\uc744 \uaddc\uba85\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.\u201d<\/p>\n<p><cite>\ub370\uc774\ube44\ub4dc \ub9ac \uad50\uc218(\ud1a0\ub860\ud1a0\ub300 \uc5f0\uad6c\ud300)<\/cite><\/p><\/blockquote>\n<p>\ucc9c\ubb38\ud559\uacc4 \uc77c\ubd80 \uc5f0\uad6c\uc790\ub294 \uc774\ubc88 \ubc1c\uacac\uc774 \uc554\ud751 \ubb3c\uc9c8 \ubd84\ud3ec \uc5f0\uad6c\uc5d0 \uc720\uc758\ubbf8\ud55c \ud45c\ubcf8\uc744 \uc81c\uacf5\ud560 \uc218 \uc788\uc74c\uc744 \ud658\uc601\ud588\ub2e4. \ub2e4\ub9cc \ucd94\uac00\uc801 \uc2a4\ud399\ud2b8\ub7fc \uad00\uce21\uacfc \ub3d9\uc5ed\ud559 \uce21\uc815\uc774 \ud544\uc694\ud558\ub2e4\ub294 \uc810\uc744 \ud568\uaed8 \uc9c0\uc801\ud588\ub2e4.<\/p>\n<blockquote>\n<p>\u201cCDG-2\ub294 \ud765\ubbf8\ub85c\uc6b4 \ud6c4\ubcf4\uc9c0\ub9cc, \uc9c8\ub7c9 \ucd94\uc815\uc758 \ud655\uc2e4\uc131\uc744 \ub192\uc774\ub824\uba74 \ub354 \ub9ce\uc740 \uc6b4\ub3d9\ud559\uc801 \ub370\uc774\ud130\uac00 \ud544\uc694\ud569\ub2c8\ub2e4.\u201d<\/p>\n<p><cite>\ucc9c\uccb4\ubb3c\ub9ac\ud559 \uc804\ubb38 \uc5f0\uad6c\uc790(\uc775\uba85 \uc694\uccad)<\/cite><\/p><\/blockquote>\n<h2>\n<aside>\n<details>\n<summary>\uc6a9\uc5b4\/\ubc29\ubc95\ub860<\/summary>\n<p>\uc800\ud45c\uba74 \ubc1d\uae30(LSB) \uc740\ud558\ub294 \ud45c\uba74 \ubc1d\uae30\uac00 \ub0ae\uc544 \uc804\ud1b5\uc801 \uad11\ud559 \ud0d0\uc0ac\uc5d0\uc11c \ubc1c\uacac\ub418\uae30 \uc5b4\ub824\uc6b4 \uc740\ud558\ub97c \ub9d0\ud55c\ub2e4. \uad6c\uc0c1\uc131\ub2e8\uc740 \uc218\ub9cc~\uc218\ubc31\ub9cc \uac1c\uc758 \uc624\ub798\ub41c \ubcc4\uc774 \uad6c\ud615\uc73c\ub85c \ubc00\uc9d1\ud55c \uc9d1\ub2e8\uc73c\ub85c, \uc740\ud558\uc758 \uc911\ub825 \uc5ed\uc0ac\uc640 \uad6c\uc870\ub97c \ucd94\uc801\ud558\ub294 \ud45c\uc2dd \uc5ed\ud560\uc744 \ud55c\ub2e4. \uc5f0\uad6c\ud300\uc740 \uc131\ub2e8 \ubc00\uc9d1 \ud328\ud134\uc744 \ud1b5\uacc4\uc801\uc73c\ub85c \uc120\ubcc4\ud574 \uc740\ud558 \ud6c4\ubcf4 \uc704\uce58\ub97c \ucd94\uc815\ud558\uace0, \ub2e4\ud30c\uc7a5 \ub9dd\uc6d0\uacbd \uc790\ub8cc\ub85c \uad11\ub3c4\ub97c \uad50\ucc28\uac80\uc99d\ud588\ub2e4. \uc9c8\ub7c9 \ubd88\uc77c\uce58\ub294 \uac00\uc2dc\uad11\uc73c\ub85c \uce21\uc815\ub41c \ubcc4 \uc9c8\ub7c9\uacfc \uc911\ub825(\uc131\ub2e8 \ubd84\ud3ec\u00b7\uc6b4\ub3d9 \ub4f1)\uc73c\ub85c \ucd94\uc815\ud55c \ucd1d\uc9c8\ub7c9 \uac04\uc758 \ucc28\uc774\uc5d0\uc11c \ub3c4\ucd9c\ub41c\ub2e4.<\/p>\n<\/details>\n<\/aside>\n<\/h2>\n<h2>\ubd88\ud655\uc2e4\ud55c \ubd80\ubd84<\/h2>\n<ul>\n<li>\uc9c8\ub7c9\uc758 &#8216;\uc57d 99%&#8217;\ub77c\ub294 \ube44\uc728\uc740 \ud604\uc7ac\uc758 \uad11\ub3c4\u00b7\uc911\ub825 \ube44\uad50\uc5d0 \ub530\ub978 \ucd94\uc815\uce58\ub85c, \ucd94\uac00\uc801\uc778 \uc2a4\ud399\ud2b8\ub7fc\u00b7\uc6b4\ub3d9\ud559 \uad00\uce21\uc774 \ud655\uc778\ub418\uc5b4\uc57c \ud55c\ub2e4.<\/li>\n<li>CDG-2\uc758 \uba85\ud655\ud55c \uc740\ud558 \ud615\ud0dc(\ub514\uc2a4\ud06c\ud615, \ud0c0\uc6d0\ud615 \ub4f1)\uc640 \ub0b4\ubd80 \ubd84\ud3ec\ub294 \ud604\uc7ac \uc774\ubbf8\uc9c0 \ud574\uc0c1\ub3c4\uc640 \uc790\ub8cc\ub9cc\uc73c\ub85c \uc644\uc804\ud788 \uaddc\uba85\ub418\uc9c0 \uc54a\uc558\ub2e4.<\/li>\n<li>\uad6c\uc0c1\uc131\ub2e8\uc758 \uc5f0\ub839\u00b7\uae08\uc18d\ub3c4 \ucc28\uc774\uac00 \uc740\ud558\uc758 \uc9c4\ud654\uc0ac\ub97c \ud574\uc11d\ud558\ub294 \ub370 \uc601\ud5a5\uc744 \uc8fc\ubbc0\ub85c, \uc774\ub4e4 \uc131\ub2e8\uc758 \uc138\ubd80 \ubb3c\ub9ac\ub7c9\uc740 \ucd94\uac00 \uad00\uce21\uc774 \ud544\uc694\ud558\ub2e4.<\/li>\n<\/ul>\n<h2>\ucd1d\ud3c9<\/h2>\n<p>CDG-2\uc758 \ubc1c\uacac\uc740 \uad00\uce21 \ubc29\ubc95\ub860\uacfc \uc7a5\ube44\uc758 \uacb0\ud569\uc774 \uc6b0\uc8fc\uc758 \uc740\ubc00\ud55c \uad6c\uc131\uc694\uc18c\ub97c \ub4dc\ub7ec\ub0bc \uc218 \uc788\uc74c\uc744 \uc2dc\uc0ac\ud55c\ub2e4. \uad6c\uc0c1\uc131\ub2e8 \uae30\ubc18\uc758 \ud1b5\uacc4 \ud0d0\uc0c9\uc740 \uae30\uc874 \uc870\uc0ac\uac00 \ub193\uce5c \ud45c\ubcf8\uc744 \ubcf4\uc644\ud560 \uc218 \uc788\uc73c\uba70, \uc554\ud751 \ubb3c\uc9c8 \uc5f0\uad6c\uc5d0 \uc0c8\ub85c\uc6b4 \ud45c\ubcf8\uc744 \ub354\ud560 \uac00\ub2a5\uc131\uc774 \uc788\ub2e4. \ub2e4\ub9cc \ud604\uc7ac\uc758 \uc554\ud751 \ubb3c\uc9c8 \ube44\uc728 \ucd94\uc815\uc740 \ubcf4\uc870\uc801 \uc99d\uac70\uc5d0 \uae30\ubc18\ud55c \ucd94\uc815\uc774\ubbc0\ub85c \ucd94\uac00\uc801\uc778 \ubd84\uad11\u00b7\ub3d9\uc5ed\ud559 \ub370\uc774\ud130 \ud655\ubcf4\uac00 \ud544\uc218\uc801\uc774\ub2e4.<\/p>\n<p>\ud5a5\ud6c4 \ub0b8\uc2dc \uadf8\ub808\uc774\uc2a4 \ub85c\ub9cc \uc6b0\uc8fc\ub9dd\uc6d0\uacbd\uacfc \ubca0\ub77c C. \ub8e8\ube48 \ucc9c\ubb38\ub300 \ub4f1 \ucc28\uc138\ub300 \uad00\uce21\uc2dc\uc124\uc774 \uac00\ub3d9\ub418\uba74 \uc720\uc0ac \ud45c\ubcf8\uc758 \ub300\ub7c9 \ud0d0\uc0c9\uacfc \uc815\ubc00 \ubd84\uc11d\uc774 \uac00\ub2a5\ud574\uc9c8 \uc804\ub9dd\uc774\ub2e4. \uadf8 \uacb0\uacfc \uc740\ud558 \ud615\uc131 \uc774\ub860\uacfc \uc554\ud751 \ubb3c\uc9c8 \ubaa8\ub378\uc5d0 \ub300\ud55c \uc815\uad50\ud55c \uac80\uc99d\uc774 \uc9c4\ud589\ub420 \uac83\uc73c\ub85c \uae30\ub300\ub41c\ub2e4.<\/p>\n<h2>\ucd9c\ucc98<\/h2>\n<ul>\n<li><a href=\"https:\/\/www.techtube.co.kr\/news\/articleView.html?idxno=6850\" target=\"_blank\" rel=\"noopener\">\ud14c\ud06c\ud29c\ube0c<\/a> (\uc5b8\ub860 \ubcf4\ub3c4)<\/li>\n<li><a href=\"https:\/\/phys.org\" target=\"_blank\" rel=\"noopener\">Phys.org<\/a> (\uacfc\ud559\ub9e4\uccb4)<\/li>\n<li><a href=\"https:\/\/iopscience.iop.org\" target=\"_blank\" rel=\"noopener\">IOPscience<\/a> (\ud559\uc220 \uc800\ub110 \ud50c\ub7ab\ud3fc)<\/li>\n<\/ul>\n<p><small>\uc774\ubbf8\uc9c0 \ud06c\ub808\ub527: NASA, ESA, Dayi Li (University of Toronto); Image Processing: Joseph DePasquale (STScI)<\/small><\/p>\n<\/article>\n","protected":false},"excerpt":{"rendered":"<p>\ud575\uc2ec \uc694\uc57d 3\uc5b5 \uad11\ub144 \ub5a8\uc5b4\uc9c4 \ud398\ub974\uc138\uc6b0\uc2a4\uc790\ub9ac \uc740\ud558\ub2e8\uc5d0\uc11c \uc9c8\ub7c9\uc758 \uc57d 99%\uac00 \uc554\ud751 \ubb3c\uc9c8\uc77c \uac00\ub2a5\uc131\uc774 \uc788\ub294 \uc800\ud45c\uba74 \ubc1d\uae30 \uc740\ud558 &#8216;CDG-2&#8217;\uac00 \ubcf4\uace0\ub410\ub2e4. \ud1a0\ub860\ud1a0\ub300 \uc5f0\uad6c\ud300\uc740 \uad6c\uc0c1\uc131\ub2e8\uc758 \ubc00\uc9d1 \uc704\uce58\ub97c \ud1b5\uacc4\uc801\uc73c\ub85c \ucc3e\uc544 \ud5c8\ube14, \uc720\ud074\ub9ac\ub4dc, \uc2a4\ubc14\ub8e8 \ub9dd\uc6d0\uacbd \uc790\ub8cc\uc640 \uad50\ucc28 \uac80\uc99d\ud574 CDG-2\uc758 \uc874\uc7ac\ub97c \uaddc\uba85\ud588\ub2e4. CDG-2\uc758 \uc804\uccb4 \uac00\uc2dc\uad11 \ubc1d\uae30\ub294 \ud0dc\uc591\uae09 \ubcc4 \uc57d 600\ub9cc \uac1c\uc5d0 \ud574\ub2f9\ud558\uba70, \ub124 \uac1c\uc758 \uad6c\uc0c1\uc131\ub2e8\uc774 \uac00\uc2dc\uad11\uc758 \uc57d 16%\ub97c \ucc28\uc9c0\ud55c\ub2e4. \uad00\uce21\u00b7\ubd84\uc11d \uacb0\uacfc &#8230; <a title=\"\u201c99%\uac00 \uc554\ud751 \ubb3c\uc9c8?\u201d \uac70\uc758 \ubcf4\uc774\uc9c0 \uc54a\ub294 \uc740\ud558 CDG-2 \ubc1c\uacac\" class=\"read-more\" href=\"https:\/\/readtrends.com\/ko\/99-percent-dark-matter-galaxy\/\" aria-label=\"\u201c99%\uac00 \uc554\ud751 \ubb3c\uc9c8?\u201d \uac70\uc758 \ubcf4\uc774\uc9c0 \uc54a\ub294 \uc740\ud558 CDG-2 \ubc1c\uacac\uc5d0 \ub300\ud574 \ub354 \uc790\uc138\ud788 \uc54c\uc544\ubcf4\uc138\uc694\">\ub354 \uc77d\uae30<\/a><\/p>\n","protected":false},"author":1,"featured_media":8846,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"rank_math_title":"99%\uac00 \uc554\ud751\ubb3c\uc9c8\ub85c \ucd94\uc815\ub418\ub294 \uc740\ud558 'CDG-2' \ubc1c\uacac \u2014 \ud14c\ud06c\ud29c\ube0c","rank_math_description":"\ud398\ub974\uc138\uc6b0\uc2a4\uc790\ub9ac \uc740\ud558\ub2e8\uc5d0\uc11c \uac00\uc2dc\uc9c8\ub7c9\uc73c\ub85c\ub294 \uc124\uba85\ub418\uc9c0 \uc54a\ub294 \uac15\ud55c \uc911\ub825\uc774 \uad00\uce21\ub41c \uc800\ud45c\uba74 \ubc1d\uae30 \uc740\ud558 CDG-2\uac00 \ubc1c\uacac\ub410\ub2e4. \ud5c8\ube14\u00b7\uc720\ud074\ub9ac\ub4dc\u00b7\uc2a4\ubc14\ub8e8 \uc790\ub8cc\ub97c \uad50\ucc28\uac80\uc99d\ud574 \uc554\ud751 \ubb3c\uc9c8 \ube44\uc728\uc774 \uc57d 99%\uc77c \uac00\ub2a5\uc131\uc744 \uc81c\uae30\ud588\ub2e4.","rank_math_focus_keyword":"\uc554\ud751\ubb3c\uc9c8,CDG-2,\uc800\ud45c\uba74\ubc1d\uae30\uc740\ud558,\uad6c\uc0c1\uc131\ub2e8,\ud398\ub974\uc138\uc6b0\uc2a4\uc790\ub9ac","footnotes":""},"categories":[2],"tags":[],"class_list":["post-8852","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-top-stories"],"_links":{"self":[{"href":"https:\/\/readtrends.com\/ko\/wp-json\/wp\/v2\/posts\/8852","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/readtrends.com\/ko\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/readtrends.com\/ko\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/readtrends.com\/ko\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/readtrends.com\/ko\/wp-json\/wp\/v2\/comments?post=8852"}],"version-history":[{"count":0,"href":"https:\/\/readtrends.com\/ko\/wp-json\/wp\/v2\/posts\/8852\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/readtrends.com\/ko\/wp-json\/wp\/v2\/media\/8846"}],"wp:attachment":[{"href":"https:\/\/readtrends.com\/ko\/wp-json\/wp\/v2\/media?parent=8852"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/readtrends.com\/ko\/wp-json\/wp\/v2\/categories?post=8852"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/readtrends.com\/ko\/wp-json\/wp\/v2\/tags?post=8852"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}