{"id":3682,"date":"2019-06-07T14:40:57","date_gmt":"2019-06-07T05:40:57","guid":{"rendered":"http:\/\/163.180.4.222\/lab\/?p=3682"},"modified":"2019-10-26T16:12:54","modified_gmt":"2019-10-26T07:12:54","slug":"%eb%b9%9b%ea%b3%bc-%ec%a4%91%eb%a0%a5%ed%8c%8c-%eb%b3%b4%ea%b3%a0-%eb%8a%90%eb%81%bc%eb%8a%94-%ec%b2%9c%eb%ac%b8%ed%95%99%ec%9d%98-%ec%8b%9c%ec%9e%91-%e3%80%8c%eb%8b%a4%ec%a4%91","status":"publish","type":"post","link":"https:\/\/biochemistry.khu.ac.kr\/lab\/?p=3682","title":{"rendered":"\ube5b\uacfc \uc911\ub825\ud30c, \u2018\ubcf4\uace0 \ub290\ub07c\ub294 \ucc9c\ubb38\ud559\u2019\uc758 \uc2dc\uc791 \u300c\ub2e4\uc911\uc2e0\ud638 \ucc9c\ubb38\ud559\u300d"},"content":{"rendered":"

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1054\ub144\uc5d0 \ud3ed\ubc1c\ud55c \ucd08\uc2e0\uc131 \uc794\ud574\uc778 \u2018\uac8c \uc131\uc6b4\u2019\uc744 \ub2e4\uc591\ud55c \ube5b\uc744 \ud1b5\ud574 \uad00\uce21\ud55c \ubaa8\uc2b5. \uc88c\uce21\ubd80\ud130 \ucc28\ub840\ub85c X\uc120, \uac00\uc2dc\uad11\uc120, \uc801\uc678\uc120, \uc804\ud30c \uc774\ubbf8\uc9c0\uc774\ub2e4. <\ucd9c\ucc98 : NASA\/CXC\/SAO (X-ray), Paul Scowen and Jeff Hester (Arizona State University) and the Mt. Palomar Observatories (optical), 2MASS\/UMass\/IPAC- Caltech\/NASA\/NSF (infrared), and NRAO\/AUI\/NSF (radio)><\/span><\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n
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\uc11c\ub85c \ud68c\uc804\ud558\uba70 \uac00\uae4c\uc6cc\uc9c0\uace0 \uc788\ub294 \ub450 \uac1c\uc758 \ube14\ub799\ud640\uc774 \ub9cc\ub4dc\ub294 \uc911\ub825\ud30c\uc758 \ubaa8\uc2b5 <\ucd9c\ucc98 : SCIENCE MAGAZINE><\/span><\/span><\/p>\n

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\uc911\ub825\ud30c\ub780,\u00a0<\/span>\uc9c8\ub7c9\uc744 \uac00\uc9c4 \ubb3c\uccb4\uac00 \uc6c0\uc9c1\uc774\uba74\uc11c \uc0dd\uae30\ub294 \uacf5\uac04\uc758 \uc694\ub3d9\uc774 \ud30c\ub3d9\ucc98\ub7fc \uc804\ub2ec\ub418\ub294 \uac83\uc744 \ub9d0\ud55c\ub2e4.\u00a0<\/span>\uc5b4\ub9b4 \ub54c \ub204\uad6c\ub098 \ud55c \ubc88\ucbe4 \uc885\uc774\ub85c \ud3ec\uc7a5\ub41c \ub098\ubb34\uc813\uac00\ub77d\uc744 \uc704\uc5d0\uc11c\ubd80\ud130 \ub20c\ub7ec\uc11c \ucb48\uae00\ucb48\uae00\ud558\uac8c \ub9cc\ub4e4\uc5b4 \ubc97\uaca8\ubcf8 \uc801\uc774 \uc788\uc744 \uac83\uc774\ub2e4.\u00a0<\/span>\uc774\ub54c \uc885\uc774 \ud3ec\uc7a5\uc744 \uacf5\uac04\uc774\ub77c\uace0 \uc0dd\uac01\ud558\uba74 \uc190\uc5d0 \uc758\ud574 \ucb48\uae00\ucb48\uae00\ud574\uc9c4 \uc885\uc774 \ud3ec\uc7a5\uc774 \uc544\ub798\uae4c\uc9c0 \ub0b4\ub824\uac00\ub294 \uac83\uc774 \ub9c8\uce58 \ubb3c\uccb4\uc758 \uc6c0\uc9c1\uc784\uc5d0 \uc758\ud574 \ucb48\uae00\ucb48\uae00\ud574\uc9c4 \uacf5\uac04\uc758 \uc694\ub3d9\uc774 \uc804\ub2ec\ub418\ub294 \uc911\ub825\ud30c\uc640 \ube44\uc2b7\ud558\ub2e4\uace0 \uc0dd\uac01\ud560 \uc218 \uc788\ub2e4.\u00a0<\/span>\uc0ac\uc2e4 \uc9c8\ub7c9\uc744 \uac00\uc9c4 \uc6c0\uc9c1\uc774\ub294 \ubb3c\uccb4\ub77c\uba74 \uc5b4\ub290 \uac83\uc774\ub4e0 \uc911\ub825\ud30c\ub97c \ub9cc\ub4e4 \uc218 \uc788\uc9c0\ub9cc,\u00a0<\/span>\uc77c\ubc18\uc801\uc778 \ubb3c\uccb4\uac00 \ub9cc\ub4dc\ub294 \uc911\ub825\ud30c\ub294 \uc9c4\ub3d9\uc218\uac00 \uad49\uc7a5\ud788 \ub0ae\uc73c\ubbc0\ub85c \uc8fc\ubcc0\uc758 \uc7a1\uc74c\uacfc \ub4a4\uc11e\uc5ec \uad00\uce21\ud560 \uc218 \uc5c6\ub2e4.\u00a0<\/span>\uadf8\ub798\uc11c \ud604\uc7ac\uae4c\uc9c0 \uad00\uce21\ub41c \uc911\ub825\ud30c\ub294 \ubaa8\ub450 \uc9c8\ub7c9\uc774 \ud070 \ube14\ub799\ud640\uc774\ub098 \uc911\uc131\uc790\ubcc4\uc774 \uc9dd\uc744 \uc774\ub8e8\uace0 \ub3cc\ub2e4\uac00 \ud569\uccd0\uc9c0\ub294,\u00a0<\/span>\uad49\uc7a5\ud788 \ud2b9\uc218\ud55c \uc0c1\ud669\uc5d0\uc11c \ub9cc\ub4e4\uc5b4\uc9c4 \uc911\ub825\ud30c\ub4e4\uc774\ub2e4.<\/span><\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n

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\uadf8\ub807\ub2e4\uba74 \uc911\ub825\ud30c\ub294 \uc5b4\ub5bb\uac8c \uad00\uce21\ud558\ub294 \uac83\uc77c\uae4c?\u00a0<\/span>\ub9dd\uc6d0\uacbd\uc744 \uc774\uc6a9\ud574 \ubcf4\uba74\uc11c \uad00\uce21\ud558\ub294 \ube5b\uacfc\ub294 \ub2ec\ub9ac \uc911\ub825\ud30c\ub294 \uacf5\uac04 \uc790\uccb4\uc758 \uc694\ub3d9\uc774\uae30 \ub54c\ubb38\uc5d0 \uc5b4\ub290 \ud55c \ubc29\ud5a5\uc73c\ub85c \uacf5\uac04\uc774 \ub4a4\ud2c0\ub9bc\uc744\u00a0\u2018<\/span>\ub290\uaef4\uc57c\u2019\u00a0<\/span>\ud55c\ub2e4.\u00a0<\/span>\ubb3c\ub860 \uadf8 \ub4a4\ud2c0\ub9ac\ub294 \uc815\ub3c4\ub294 \ub9e4\uc6b0 \uc791\uc544 \uc0ac\ub78c\uc774 \ub290\ub084 \uc218 \uc788\ub294 \uac83\uc740 \uc544\ub2c8\ubbc0\ub85c,\u00a0<\/span>\ub808\uc774\uc800\ub97c \uc11c\ub85c \uc218\uc9c1\uc778 \ub450 \ubc29\ud5a5\uc73c\ub85c \uc3d8\uace0,\u00a0<\/span>\uadf8\uac83\ub4e4\uc774 \uac19\uc740 \uac70\ub9ac\ub97c \uac14\ub2e4\uac00 \uac01\uac01 \uac70\uc6b8\uc5d0\uc11c \ubc18\uc0ac\ub418\uc5b4 \ub2e4\uc2dc \ub3cc\uc544\uc628 \uc2dc\uac04\uc758 \ucc28\uc774\ub97c \ud1b5\ud574 \uac04\uc811\uc801\uc73c\ub85c \uacf5\uac04\uc758 \uc65c\uace1\uc744 \uce21\uc815\ud558\uac8c \ub41c\ub2e4.\u00a0<\/span>\ub9cc\uc57d \uacf5\uac04\uc774 \ub4a4\ud2c0\ub9ac\uc9c0 \uc54a\uc558\ub2e4\uba74 \ub808\uc774\uc800\uac00 \ub2e4\uc2dc \ub3cc\uc544\uc624\ub294 \uc2dc\uac04\uc740 \ub450 \ubc29\ud5a5 \ubaa8\ub450 \ucc28\uc774\uac00 \uc5c6\uaca0\uc9c0\ub9cc,\u00a0<\/span>\ub9cc\uc57d \uacf5\uac04\uc774 \ud55c\ucabd\uc73c\ub85c \ub4a4\ud2c0\ub838\ub2e4\uba74 \uadf8 \ubc29\ud5a5\uc73c\ub85c \ube5b\uc774 \uc2e4\uc81c \uc774\ub3d9\ud558\ub294 \uac70\ub9ac\uac00 \ub354 \uc9e7\uc544\uc9c0\ubbc0\ub85c \ub354 \uba3c\uc800 \ub3c4\ucc29\ud558\ub294 \ubc29\ud5a5\uc774 \uc0dd\uae30\uac8c \ub418\uba70 \uacf5\uac04\uc758 \uc65c\uace1\uc774 \uc2ec\ud560\uc218\ub85d \uadf8 \uc2dc\uac04 \ucc28\uc774\ub294 \uae38\uc5b4\uc9c0\uac8c \ub41c\ub2e4.\u00a0<\/span>\ud604\uc7ac \uac00\ub3d9 \uc911\uc778 \uc911\ub825\ud30c \uad00\uce21\uc18c\ub294 \ubbf8\uad6d\uc758\u00a0LIGO 2<\/span>\uacf3\uacfc \uc720\ub7fd\uc758\u00a0VIRGO,\u00a0<\/span>\ucd1d\u00a03<\/span>\uacf3\uc774\uba70 \ub354 \ub9ce\uc740 \uc9c0\uc0c1\uad00\uce21\uc18c\uc640 \uc704\uc131 \uad00\uce21\uc18c\uc778\u00a0LISA<\/span>\uac00 \uacc4\ud68d \ub2e8\uacc4\uc5d0 \uc788\ub2e4.<\/span><\/p>\n

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LIGO \ud578\ud3ec\ub4dc \uc911\ub825\ud30c \uad00\uce21\uc18c\uc758 \ubaa8\uc2b5. <\ucd9c\ucc98 : NASA(APOD)><\/span><\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n
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\uc911\ub825\ud30c \uad00\uce21\uc774 \uc911\uc694\ud55c \uc774\uc720\ub294 \ud06c\uac8c\u00a02<\/span>\uac00\uc9c0\uac00 \uc788\ub2e4.\u00a0<\/span>\uccab \ubc88\uc9f8\ub85c\ub294 \uc911\ub825\ud30c\ub97c \uad00\uce21\ud568\uc73c\ub85c\uc368 \uc774 \uc911\ub825\ud30c\ub97c \ub9cc\ub4e4\uc5b4\ub0b8 \ucc9c\uccb4\uc758 \uc9c8\ub7c9\uc744 \uc608\uce21\ud560 \uc218 \uc788\ub2e4.\u00a0<\/span>\ube5b\uc744 \uc774\uc6a9\ud574 \ucc9c\uccb4\ub97c \uad00\uce21\ud558\uc5ec \ubb3c\uccb4\uc758 \uc9c8\ub7c9\uc744 \uc54c\uc544\ub0b4\ub294 \uac83\uc740 \uad49\uc7a5\ud788 \uc5b4\ub824\uc6b4 \uc77c\ub85c,\u00a0<\/span>\ub300\uac1c \uacbd\ud5d8\uc801\uc778 \uc2dd\uc744 \uc774\uc6a9\ud558\uc5ec \ub300\ub7b5\uc801\uc73c\ub85c \ucd94\uc815\ud558\ub294 \uacbd\uc6b0\uac00 \ub9ce\ub2e4.\u00a0<\/span>\uc9c1\uc811 \ucd94\uc815\ud560 \uc218 \uc788\ub294 \uacbd\uc6b0\ub294 \uc911\uc2ec \ucc9c\uccb4 \uc8fc\uc704\ub97c \ub3c4\ub294 \uc791\uc740 \ucc9c\uccb4\ub4e4\uc744 \uc9c1\uc811 \uad00\uce21\ud558\uc5ec \uadf8 \uada4\ub3c4\ub97c \ud1b5\ud574 \uc911\ub825\uc744 \uce21\uc815\ud558\ub294 \uac83\uc73c\ub85c \uad49\uc7a5\ud788 \ub192\uc740 \ubd84\ud574\ub2a5\uc758 \uad00\uce21\uc774 \ud544\uc694\ud558\uc5ec \uc6b0\ub9ac \uc740\ud558 \ubc14\uae65\uc758 \ucc9c\uccb4\uc5d0 \ub300\ud574\uc11c\ub294 \uc0ac\uc2e4\uc0c1 \ubd88\uac00\ub2a5\uc5d0 \uac00\uae4c\uc6b4 \ubc29\uc2dd\uc774\ub2e4.\u00a0<\/span>\ub610 \ubc1d\uae30\ub97c \uc774\uc6a9\ud55c \uad00\uacc4\uc2dd\uc758 \uacbd\uc6b0 \uc554\ud751 \ubb3c\uc9c8\uc758 \uc9c8\ub7c9\uc774 \ud3ec\ud568\ub418\uc5b4\uc788\uc9c0 \uc54a\uc544 \uc9c1\uc811 \uc8fc\ubcc0 \ucc9c\uccb4\ub4e4\uc758 \uc6b4\ub3d9\uc744 \ubd84\uc11d\ud558\uc5ec \uacc4\uc0b0\ud55c \ucc9c\uccb4\uc758 \uc9c8\ub7c9\uacfc \ucc28\uc774\uac00 \ub09c\ub2e4.\u00a0<\/span>\ud558\uc9c0\ub9cc \uc911\ub825\ud30c\ub294 \uadf8 \uc9c4\ub3d9\uc218\uac00 \uadf8 \uae30\uc6d0\uc774 \ub418\ub294 \ucc9c\uccb4\ub4e4\uc758 \uc9c8\ub7c9\uc758 \ucd1d\ud569\uacfc \ube44\ub840\ud558\uba70,\u00a0<\/span>\uc9c4\ub3d9\uc218\uac00 \uc99d\uac00\ud558\ub294 \uc18d\ub3c4\ub294 \uadf8 \uae30\uc6d0\uc774 \ub418\ub294 \ucc9c\uccb4\ub4e4\uc758 \uc9c8\ub7c9\ube44\uc640 \ube44\ub840\ud558\ub294 \ub4f1 \uac04\ub2e8\ud55c(?) \ubb3c\ub9ac\uc801 \uacc4\uc0b0\uc744 \ud1b5\ud574 \uc9c1\uc811 \uc9c8\ub7c9\uc744 \uacc4\uc0b0\ud574 \ub0bc \uc218 \uc788\ub2e4.<\/span><\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n

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\ub450 \ubc88\uc9f8\ub85c\ub294 \uba40\ub9ac\uc11c \uc628 \ube5b\uc740 \uac70\ub9ac\uc758 \uc81c\uacf1\uc5d0 \ubc18\ube44\ub840\ud558\uc5ec \uc5b4\ub450\uc6cc\uc9c0\ub294 \ub370 \ube44\ud574 \uc911\ub825\ud30c\ub294 \uadf8\ub807\uc9c0 \uc54a\uae30 \ub54c\ubb38\uc5d0 \ub354\uc6b1 \ud6a8\uc728\uc801\uc73c\ub85c \uba3c \uac70\ub9ac\uc5d0 \uc788\ub294 \ucc9c\uccb4\uc758 \uc815\ubcf4\ub97c \uc54c\uc544\ub0bc \uc218 \uc788\ub2e4.\u00a0<\/span>\uba3c \uac70\ub9ac\uc5d0 \uc788\ub294 \ucc9c\uccb4\ub97c \uad00\uce21\ud55c\ub2e4\ub294 \uac83\uc740 \uace7 \ub354 \uacfc\uac70\uc758 \uc6b0\uc8fc\ub97c \uad00\uce21\ud55c\ub2e4\ub294 \uac83\uc774\uae30 \ub54c\ubb38\uc5d0 \uc6b0\uc8fc \ud615\uc131 \ucd08\uae30\uc758 \uc815\ubcf4\ub97c \uc54c\uc544\ub0bc \uc218 \uc788\uc73c\uba70,\u00a0<\/span>\ub354 \ub098\uc544\uac00\uc11c\ub294 \uc6b0\uc8fc\ubc30\uacbd\ubcf5\uc0ac \uc774\uc804\uc758 \uc6b0\uc8fc\ub97c \uad00\uce21\ud560 \uc218 \uc788\ub294 \uc218\ub2e8\uc73c\ub85c \uc5ec\uaca8\uc9c0\uace0 \uc788\ub2e4.\u00a0<\/span>\uadf8\ub807\ub2e4\uba74 \uc774\ub7ec\ud55c \uc774\uc810\uc740 \uc6b0\ub9ac\uac00 \uc6b0\uc8fc\ub97c \uc0c8\ub85c\uc6b4 \ubc29\ubc95\uc73c\ub85c \uc774\ud574\ud558\ub294 \ub370 \uc5b4\ub5a4 \ub3c4\uc6c0\uc744 \uc8fc\uc5c8\uc744\uae4c?\u00a0<\/span>\uad6c\uccb4\uc801\uc778 \uc0ac\ub840\ub97c \ud1b5\ud574 \uc0b4\ud3b4\ubcf4\uc790.<\/span><\/p>\n

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\uc911\ub825\ud30c \uc2e0\ud638\uc758 \ubaa8\uc2b5. \uc11c\ub85c \uc8fc\uc704\ub97c \ub3cc\uba70 \uac00\uae4c\uc6cc\uc9c0\uba74\uc11c \uc9c4\ub3d9\uc218\uac00 \uc99d\uac00\ud558\ub2e4\uac00(Inspiral), \ud569\uccd0\uc9c0\uba74\uc11c \uac00\uc7a5 \uac15\ud55c \uc2e0\ud638\ub97c \ub0b4\uace0 (Merger) \uc774\ud6c4\uc5d0\ub3c4 \uc57d\uac04\uc758 \uc2e0\ud638\ub97c \ub0b8\ub2e4 (Ringdown) <\ucd9c\ucc98 : APOD><\/span><\/span><\/p>\n

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2017\ub144 8\uc6d4 17\uc77c<\/h6>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n
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2017<\/span>\ub144\u00a08<\/span>\uc6d4\u00a017<\/span>\uc77c,\u00a0<\/span>\uc911\ub825\ud30c \uad00\uce21\uc18c\u00a0LIGO<\/span>\uc640\u00a0VIRGO<\/span>\uc5d0\uc11c\u00a0100<\/span>\ucd08\uac04 \uc911\ub825\ud30c \uc2e0\ud638\uac00 \uac10\uc9c0\ub418\uc5c8\ub2e4.\u00a0<\/span>\uacfc\ud559\uc790\ub4e4\uc740\u00a03<\/span>\uacf3\uc758 \uc2e0\ud638\ub97c \ubd84\uc11d\ud558\uc5ec \uc5b4\ub290 \ubc29\ud5a5\uc5d0\uc11c \uc911\ub825\ud30c\uac00 \ubc1c\uc0dd\ud558\uc600\ub294\uc9c0 \ub300\ub7b5\uc801\uc73c\ub85c \ucd94\uce21\ud558\uc600\ub2e4.\u00a0<\/span>\uc911\ub825\ud30c\uac00 \ucc98\uc74c\uc73c\ub85c \uad00\uce21\ub418\uae30 \uc2dc\uc791\ud55c \uc9c0\u00a02<\/span>\ucd08 \ud6c4,\u00a0<\/span>\ud398\ub974\ubbf8 \uac10\ub9c8\uc120 \ub9dd\uc6d0\uacbd\uc5d0\uc11c \uac10\ub9c8\uc120 \ucc9c\uccb4 \ud3ed\ubc1c(Gamma-Ray Burst)\u00a0<\/span>\ud604\uc0c1\uc744 \ubc1c\uacac\ud558\uc600\ub2e4.\u00a0<\/span>\uc774\ud6c4\u00a04<\/span>\uc2dc\uac04 \ub3d9\uc548 \uacfc\ud559\uc790\ub4e4\uc740 \uc0c1\uc138\ud55c \ubd84\uc11d\uc744 \ud1b5\ud574 \uc911\ub825\ud30c \uc2e0\ud638\uac00 \uc5b4\ub514\uc5d0\uc11c \uc654\ub294\uc9c0,\u00a0<\/span>\uadf8\ub9ac\uace0 \uc911\ub825\ud30c\ub97c \uc77c\uc73c\ud0a8 \ucc9c\uccb4\uc758 \uc9c8\ub7c9\uc774 \uc5bc\ub9c8\uc778\uc9c0 \uc54c\uc544\ub0b4\uc5c8\uc73c\uba70 \ucda9\ub3cc\uc744 \uc77c\uc73c\ud0a8 \ucc9c\uccb4\uac00 \ucc98\ub140\uc790\ub9ac\uc5d0 \uc788\ub294 \uc740\ud558\u00a0NGC 4993<\/span>\uc5d0 \uc788\uc73c\uba70 \uadf8 \ub2f9\uc2dc\uae4c\uc9c0 \uad00\uce21\ub41c \uc911\ub825\ud30c \uc2e0\ud638\ub4e4\ubcf4\ub2e4 \ud6e8\uc52c \uac00\ubcbc\uc6b4 \ucc9c\uccb4\uc758 \uc6b4\ub3d9\uc5d0\uc11c \ub098\uc654\ub2e4\ub294 \uac83\uc744 \uc54c\uac8c \ub418\uc5c8\ub2e4.\u00a0<\/span>\uc774\ud6c4 \uacc4\uc0b0\ub41c \uc704\uce58 \uc815\ubcf4\ub97c \ubc14\ud0d5\uc73c\ub85c \uc804\ud30c\ubd80\ud130\u00a0X<\/span>\uc120\uae4c\uc9c0 \ub2e4\uc591\ud55c \ud30c\uc7a5\uc758 \ub9dd\uc6d0\uacbd\uc774\u00a0NGC 4993<\/span>\uc744 \uc9d1\uc911\uc801\uc73c\ub85c \uad00\uce21\ud558\uc600\uace0 \uc2dc\uac04\uc5d0 \ub530\ub978 \ubc1d\uae30\uc758 \ubcc0\ud654\ub97c \ubcf4\uc5ec\uc8fc\ub294\u00a0\u2018<\/span>\uad11\ub3c4 \uace1\uc120\u2019<\/span>\uc744 \uc81c\uc791\ud558\uc600\ub2e4.<\/span><\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n

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\uad11\ub3c4 \uace1\uc120\uc744 \ubd84\uc11d\ud574\ubcf8 \uacb0\uacfc \uc774 \ud604\uc0c1\uc740\u00a0\u2018<\/span>\ud0ac\ub85c\ub178\ubc14(Kilonova)\u2019<\/span>\ub77c\u00a0\ubd88\ub824\uc654\ub358 \ud604\uc0c1\uc774\uc5c8\ub2e4.\u00a0<\/span>\ud0ac\ub85c\ub178\ubc14\ub780,<\/span>\u00a0<\/span>\ub9e4\uc6b0 \ubb34\uac70\uc6b4 \ubcc4\uc774 \uc790\uc2e0\uc758 \ubc1d\uc740 \ube5b\uc744 \uac10\ub2f9\ud558\uc9c0 \ubabb\ud574 \uc678\uacfd\uc758 \uae30\uccb4\ub97c \ubc00\uccd0\ub0b4\ub294 \uacfc\uc815\uc5d0\uc11c \uac11\uc790\uae30 \ubc1d\uc544\uc838 \uc61b\ub0a0 \uc0ac\ub78c\ub4e4\uc774 \ubcf4\uae30\uc5d0 \uc0c8\ub85c\uc6b4 \ubcc4\uc774 \ub098\ud0c0\ub09c \uac83\ucc98\ub7fc \ubcf4\uc774\ub294 \uc2e0\uc131(<\/span>\ub178\ubc14)<\/span>\ubcf4\ub2e4\u00a01000<\/span>\ubc30 \ub354 \ubc1d\uc740 \uc2e0\uc131\uc744 \ubd80\ub974\ub294 \uc6a9\uc5b4\ub85c,\u00a0<\/span>\uadf8 \ub2f9\uc2dc\uae4c\uc9c0\ub9cc \ud574\ub3c4 \uc65c \uc774 \ud604\uc0c1\uc774 \uc77c\uc5b4\ub098\ub294\uc9c0\ub294 \ud655\uc2e4\ud788 \uc54c\uc9c0 \ubabb\ud558\uc600\ub2e4.\u00a0<\/span>\uadf8\ub7f0\ub370 \uc911\ub825\ud30c \uad00\uce21\uc744 \ud1b5\ud574 \uc774 \ud604\uc0c1\uc744 \uc77c\uc73c\ud0a8 \ucc9c\uccb4\uc758 \uc9c8\ub7c9\uc744 \uc54c\uac8c \ub418\uc790 \uc774\uac83\uc774 \ube14\ub799\ud640\ubcf4\ub2e4\ub294 \uac00\ubcbc\uc6b0\uba74\uc11c \ub2e4\ub978 \ubcc4\ubcf4\ub2e4\ub294 \ud6e8\uc52c \uc5b4\ub450\uc6b4 \uc911\uc131\uc790\ubcc4 \ub450 \uac1c\uac00 \uc9dd\uc744 \uc774\ub8e8\uace0 \uc788\ub294,\u00a0<\/span>\uc30d\ub465\uc774 \uc911\uc131\uc790\ubcc4\uc758 \ucda9\ub3cc\uc5d0\uc11c \uc654\ub2e4\ub294 \uac83\uc744 \uc54c\uc544\ub0bc \uc218 \uc788\uac8c \ub418\uc5c8\ub2e4.\u00a0<\/span>\ub354 \ub098\uc544\uac00\uc11c,\u00a0<\/span>\uc9c0\uae08\uae4c\uc9c0 \uc218\ucc28\ub840 \uad00\uce21\ub418\uc5c8\ub358 \uc9e7\uc740 \uae30\uac04 \ub098\ud0c0\ub098\ub294 \uac10\ub9c8\uc120 \ucc9c\uccb4 \ud3ed\ubc1c \ud604\uc0c1 \uc5ed\uc2dc \ubcc4\uc774 \ud3ed\ubc1c\ud55c \uac83\uc774 \uc544\ub2c8\ub77c,\u00a0<\/span>\uc911\uc131\uc790\ubcc4 \ub450 \uac1c\uac00 \ucda9\ub3cc\ud558\uba74\uc11c \uc77c\uc5b4\ub09c \uac83\uc784\uc744 \uc54c\uac8c \ub418\uc5c8\ub2e4.\u00a0<\/span>\uc815\ub9ac\ud558\uc790\uba74 \uc911\ub825\ud30c\ub77c\ub294 \uc0c8\ub85c\uc6b4 \uac10\uac01\uc744 \ud1b5\ud574 \ud0ac\ub85c\ub178\ubc14\uc640 \uac10\ub9c8\uc120 \ucc9c\uccb4 \ud3ed\ubc1c\uc5d0 \ub300\ud574 \uae30\uc874\uc5d0 \uc54c\uace0 \uc788\ub358 \uc0ac\uc2e4\ub4e4\uc744 \uc5f0\uacb0\ud560 \uc218 \uc788\uac8c \ub418\uc5c8\ub2e4\uace0 \ud560 \uc218 \uc788\uaca0\ub2e4.<\/span><\/p>\n

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\uc774 \ubc1c\uacac\uc774 \uc911\uc694\ud55c \uc774\uc720\ub294 \uc5ec\uae30\uc5d0\uc11c \uba48\ucd94\uc9c0 \uc54a\ub294\ub2e4.\u00a0<\/span>\uc911\uc131\uc790\ubcc4\uc758 \ucda9\ub3cc\uc774 \uc2e4\uc81c\ub85c \uad00\uce21\ub418\uba74\uc11c \uc6b0\ub9ac\ub294 \uc6b0\uc8fc\uc5d0 \uc874\uc7ac\ud558\ub294 \ubb34\uac70\uc6b4 \uc6d0\uc18c\uc758 \uae30\uc6d0\uc5d0 \ub300\ud574 \uc54c \uc218 \uc788\uac8c \ub418\uc5c8\ub2e4.\u00a0<\/span>\uc911\uc131\uc790\ubcc4\uc774\ub780 \ub9d0 \uadf8\ub300\ub85c \uc911\uc131\uc790\ub85c \uc774\ub8e8\uc5b4\uc9c4 \ubcc4\uc778\ub370,\u00a0<\/span>\uc911\uc131\uc790\ub294 \uc591\uc131\uc790\ubcf4\ub2e4 \uc870\uae08 \ub354 \ubb34\uac81\uace0,\u00a0<\/span>\uc804\uc790\ubcf4\ub2e4\ub294 \ud6e8\uc52c \ubb34\uac70\uc6b4 \uc785\uc790\uc774\ub2e4.\u00a0<\/span>\ub9cc\uc57d \uae30\uc874\uc758 \uc6d0\uc790\uc5d0 \uc911\uc131\uc790\uac00 \ub2ec\ub77c\ubd99\uac8c \ub418\uba74 \uc870\uae08 \ub354 \ubb34\uac70\uc6b4,\u00a0<\/span>\ud558\uc9c0\ub9cc \uc6d0\uc790\uc758 \uc885\ub958 \uc790\uccb4\ub294 \ubcc0\ud558\uc9c0 \uc54a\ub294\u00a0\u2018<\/span>\ub3d9\uc704\uc6d0\uc18c\u2019<\/span>\uac00 \ub9cc\ub4e4\uc5b4\uc9c0\uac8c \ub41c\ub2e4.\u00a0<\/span>\uc774\ub7ec\ud55c \ub3d9\uc704\uc6d0\uc18c\ub294 \uc0c8\ub85c\uc6b4 \ud639\uc774 \ub2ec\ub77c\ubd99\uc740 \ub9cc\ud07c \ubd88\uc548\uc815\ud558\uc5ec\u00a0\u2018<\/span>\ubca0\ud0c0 \ubd95\uad34\u2019<\/span>\ub77c\ub294 \uacfc\uc815\uc744 \uac70\uccd0 \uc870\uae08 \ub354 \uac00\ubcbc\uc6b4 \ub2e4\ub978 \uc6d0\uc18c\ub85c \ubcc0\ud654\ud558\uac8c \ub418\uace0 \uc774\ub97c \ud1b5\ud574 \uae30\uc874\uc5d0 \ub9cc\ub4e4\uc5b4\uc9c0\uc9c0 \uc54a\uc558\ub358 \uc0c8\ub85c\uc6b4 \uc6d0\uc18c\ub97c \ub9cc\ub4e4\uac8c \ub418\uae30\ub3c4 \ud55c\ub2e4.\u00a0<\/span>\uae30\uc874\uc758 \uc6d0\uc790\uc5d0 \uc911\uc131\uc790\uac00 \ub2ec\ub77c\ubd99\ub294 \uacfc\uc815\uc744\u00a0\u2018<\/span>\uc911\uc131\uc790 \ud3ec\ud68d\u2019<\/span>\uc774\ub77c\uace0 \ubd80\ub974\ub294\ub370,\u00a0<\/span>\uc911\uc131\uc790\ub294 \uc804\uae30\ub97c \ub760\uace0 \uc788\uc9c0 \uc54a\uc544 \uc6d0\uc790\uc5d0 \uc798 \ub2ec\ub77c\ubd99\uc9c0 \uc54a\ub294\ub2e4. \ub530\ub77c\uc11c \uad49\uc7a5\ud788 \uc911\uc131\uc790\uac00 \ub9ce\uc744 \ub54c\ub9cc \uc774\ub7ec\ud55c \ud604\uc0c1\uc774 \uc77c\uc5b4\ub098\uac8c \ub41c\ub2e4.<\/span><\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n

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\uc911\uc131\uc790 \ud3ec\ud68d\uc740 \uc55e\uc5d0\uc11c \ub9d0\ud55c \ubca0\ud0c0 \ubd95\uad34 \uacfc\uc815\ubcf4\ub2e4 \ub290\ub9b0 \uac83\uacfc \ube60\ub978 \uac83,\u00a0<\/span>\ub450 \uac00\uc9c0\ub85c \ub098\ub258\ub294\ub370 \ub290\ub9b0 \uac83\uc740 \ub290\ub9b0(Slow)\u00a0<\/span>\uacfc\uc815,\u00a0<\/span>\ub610\ub294\u00a0s-<\/span>\ud504\ub85c\uc138\uc2a4\ub77c \ud558\uace0 \ube60\ub978 \uac83\uc740 \ube60\ub978(Rapid)\u00a0<\/span>\uacfc\uc815,\u00a0<\/span>\ub610\ub294\u00a0r-<\/span>\ud504\ub85c\uc138\uc2a4\ub77c \ubd80\ub978\ub2e4.\u00a0<\/span>\ub458\uc758 \ucc28\uc774\ub294 \ub2e4\uc74c\uacfc \uac19\uc740 \ube44\uc720\ub85c \uc124\uba85\ud560 \uc218 \uc788\ub2e4.
\n<\/span>\ub290\ub9b0 \uacfc\uc815\uc740 \ub9c8\uce58 \uc0ac\ub78c\uc774 \ucd9c\ubc1c\uc120\uc5d0\uc11c \ub450 \uac78\uc74c \uac14\ub2e4\uac00 \ud55c \uac78\uc74c \ub4a4\ub85c \ub3cc\uc544\uc624\ub294 \uac83\uacfc \uac19\uc740 \uacfc\uc815\uc774\ub2e4.\u00a0<\/span>\uc774\ub7f0 \uacfc\uc815\uc744 \uac70\uce58\ub354\ub77c\ub3c4 \uc870\uae08\uc529 \uc55e\uc73c\ub85c \ub098\uc544\uac08 \uc218 \uc788\ub4ef \ub290\ub9b0 \uacfc\uc815\uc744 \ud1b5\ud574\uc11c\ub3c4 \ucc28\uace1\ucc28\uace1 \ucca0\ubcf4\ub2e4 \ub354 \ubb34\uac70\uc6b4 \uc6d0\uc18c\ub4e4\uc774 \ub9cc\ub4e4\uc5b4\uc9c0\uac8c \ub41c\ub2e4.\u00a0<\/span>\uc774\ub7ec\ud55c \uacfc\uc815\uc740 \uc8fc\ub85c \ubcc4\uc774 \uc218\uc18c \uc5f0\ub8cc\ub97c \ub2e4 \uc0ac\uc6a9\ud558\uace0 \ud3ed\ubc1c\ud558\uae30 \uc9c1\uc804 \ub2e8\uacc4\uc5d0\uc11c \ud575 \uac00\uc7a5\uc790\ub9ac\uc5d0 \uc911\uc131\uc790\uac00 \ucc28\uace1\ucc28\uace1 \uc313\uc774\uac8c \ub418\uba74\uc11c \uc77c\uc5b4\ub098\uba70,\u00a0<\/span>\uc5b4\ub290 \uc815\ub3c4 \ubb34\uac70\uc6b4 \uc6d0\uc18c\uac00 \ub9cc\ub4e4\uc5b4\uc9c0\uba74 \ubca0\ud0c0 \ubd95\uad34\uac00 \ub354\uc6b1 \ube68\ub9ac \uc77c\uc5b4\ub098\uae30 \ub54c\ubb38\uc5d0 \ub450 \uac78\uc74c \uac14\ub2e4\uac00 \ub450 \uac78\uc74c \ub3cc\uc544\uc624\ub294 \uac83\ucc98\ub7fc \ub354\ub294 \ubb34\uac70\uc6b4 \uc6d0\uc18c\uac00 \ub9cc\ub4e4\uc5b4\uc9c0\uc9c0 \uc54a\uac8c \ub41c\ub2e4.\u00a0<\/span>\ud558\uc9c0\ub9cc \uc6b0\uc8fc\uc5d0\ub294 \ud6e8\uc52c \ubb34\uac70\uc6b4 \uc6d0\uc18c\ub4e4\uc774 \ub9ce\uc774 \uc874\uc7ac\ud558\uae30 \ub54c\ubb38\uc5d0 \uacfc\ud559\uc790\ub4e4\uc740 \uc9c0\uae08\uae4c\uc9c0 \uadf8\ub7ec\ud55c \uc6d0\uc18c\ub4e4\uc774 \ub9cc\ub4e4\uc5b4\uc9c0\ub294 \ube60\ub978 \uacfc\uc815\uc774 \uc5b4\ub514\uc5d0\uc11c \uc77c\uc5b4\ub098\ub294\uc9c0 \uc5f4\uc2ec\ud788 \ud0d0\uad6c\ud574 \uc654\ub2e4.
\n<\/span>\ube60\ub978 \uacfc\uc815\uc740 \ud55c \uac78\uc74c \ub4a4\ub85c \ub3cc\uc544\uc624\uae30 \uc804\uc5d0 \ub2e4\uc12f \uac78\uc74c,\u00a0<\/span>\uc5ec\uc12f \uac78\uc74c \uac00\ub294 \uac83\uc774\ub77c \ud560 \uc218 \uc788\ub294\ub370,\u00a0<\/span>\ub290\ub9b0 \uacfc\uc815\ubcf4\ub2e4 \ud6e8\uc52c \ubb34\uac70\uc6b4 \uc6d0\uc18c\ub97c \ub9cc\ub4e4 \uc218 \uc788\uc9c0\ub9cc \uadf8\ub9cc\ud07c \uc9e7\uc740 \uc2dc\uac04 \uc548\uc5d0 \uc911\uc131\uc790\uac00 \ub9ce\uc774 \ub9cc\ub4e4\uc5b4\uc9c0\ub294 \ud658\uacbd\uc774 \ub4b7\ubc1b\uce68\ub418\uc5b4\uc57c \ud55c\ub2e4.\u00a0<\/span>\uc9c0\uae08\uae4c\uc9c0 \ucc9c\ubb38\ud559\uc790\ub4e4\uc740 \uadf8\ub7f0 \ud658\uacbd\uc774 \ub9cc\ub4e4\uc5b4\uc9c0\ub824\uba74 \ub9c9\uc5f0\ud558\uac8c \ucd08\uc2e0\uc131 \ud3ed\ubc1c\uc774 \uc788\uc5b4\uc57c \ud55c\ub2e4\uace0 \uc0dd\uac01\ud574 \uc654\ub2e4.\u00a0<\/span>\ud558\uc9c0\ub9cc \ucd08\uc2e0\uc131\uc774 \ud3ed\ubc1c\ud560 \ub54c \ub9cc\ub4e4\uc5b4\uc9c0\ub294 \uc911\uc131\uc790\uc758 \uc591\uc774 \ube60\ub978 \uacfc\uc815\uc744 \uac70\uccd0 \ud6e8\uc52c \ubb34\uac70\uc6b4 \uc6d0\uc18c\ub97c \ub9cc\ub4e4\uae30\uc5d0\ub294 \ucda9\ubd84\uce58 \uc54a\uc544 \uc624\ub7ab\ub3d9\uc548 \ud480\ub9ac\uc9c0 \uc54a\ub294 \ubbf8\uc2a4\ud130\ub9ac\ub85c \ub0a8\uc544 \uc788\uc5c8\ub2e4.<\/span><\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n

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\uadf8\ub7f0\ub370 \uc911\uc131\uc790\ubcc4\uc758 \ucda9\ub3cc\uc740 \ubcc4 \uc790\uccb4\uac00 \uc911\uc131\uc790\ub85c \uc774\ub8e8\uc5b4\uc84c\uae30 \ub54c\ubb38\uc5d0 \uadf8 \uacfc\uc815\uc5d0\uc11c \uc5c4\uccad\ub09c \uc591\uc758 \uc911\uc131\uc790\uac00 \ubd84\ub9ac\ub418\uc5b4 \ub098\uc624\uace0 \uc790\uc5f0\uc2a4\ub7fd\uac8c \ube60\ub978 \uacfc\uc815\uc774 \uc77c\uc5b4\ub098 \ubb34\uac70\uc6b4 \uc6d0\uc18c\ub4e4\uc774 \ub9cc\ub4e4\uc5b4\uc9c8 \uc218 \uc788\uac8c \ub41c\ub2e4.\u00a0<\/span>\uadf8\ub9ac\uace0 \uadf8 \uacfc\uc815\uc5d0\uc11c \ub9cc\ub4e4\uc5b4\uc9c4 \ubd88\uc548\uc815\ud55c \uc6d0\uc18c\ub4e4\uc774 \ubd95\uad34\ud558\uba74\uc11c \ub098\uc624\ub294 \uc5d0\ub108\uc9c0\uac00 \uc8fc\ubcc0\uc758 \uac00\uc2a4\ub97c \ub370\uc6cc \ube5b\uc774 \ub098\uc634\uc73c\ub85c\uc368 \uc6b0\ub9ac\uac00 \uadf8 \ud604\uc0c1\uc744 \uad00\uce21\ud560 \uc218 \uc788\uac8c \ub41c\ub2e4.\u00a0<\/span>\uc2e4\uc81c\ub85c \ucc9c\ubb38\ud559\uc790\ub4e4\uc774 \ud0ac\ub85c\ub178\ubc14 \ud604\uc0c1\uc5d0\uc11c \ub9cc\ub4e4\uc5b4\uc9c0\ub294 \ubb34\uac81\uace0 \ubd88\uc548\uc815\ud55c \uc6d0\uc18c\ub4e4\uc758 \ube44\uc728\uc744 \uc870\uc808\ud558\uc5ec \uad11\ub3c4 \uace1\uc120\uacfc \uc2a4\ud399\ud2b8\ub7fc\uc744 \ub9cc\ub4e4\uc5b4\ubcf4\ub2c8\u00a02017<\/span>\ub144\u00a08<\/span>\uc6d4\u00a017<\/span>\uc77c\ubd80\ud130 \uad00\uce21\ub41c \ud0ac\ub85c\ub178\ubc14\uc758 \uadf8\uac83\uacfc \ube44\uc2b7\ud55c \uacb0\uacfc\ub97c \uc5bb\uc744 \uc218 \uc788\uc5c8\ub2e4.<\/span>\u00a0<\/span>\uc774\ub97c \ubc14\ud0d5\uc73c\ub85c \ucc9c\ubb38\ud559\uc790\ub4e4\uc740 \ud0ac\ub85c\ub178\ubc14 \ud604\uc0c1\uc774 \uc911\uc131\uc790\ubcc4\uc758 \ucda9\ub3cc\uc5d0\uc11c \uc720\ub798\ub41c \uac83\uc774\uba70 \uc6b0\uc8fc\uc5d0 \uc874\uc7ac\ud558\ub294 \ubb34\uac70\uc6b4 \uc6d0\uc18c\ub4e4\uc774 \uc774 \ud604\uc0c1\uc744 \ud1b5\ud574 \ub9cc\ub4e4\uc5b4\uc84c\uc74c\uc744 \ud655\uc778\ud560 \uc218 \uc788\uc5c8\ub2e4.<\/span><\/p>\n

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\uc911\ub825\ud30c\uc640 \ud0ac\ub85c\ub178\ubc14 \uc5f0\uad6c\ub97c \ud1b5\ud574 \ubc1d\ud600\ub0b8 \uc6d0\uc18c\ub4e4\uc758 \uae30\uc6d0. <\ucd9c\ucc98 : NASA(APOD)><\/span><\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n
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\uc774\ub807\uac8c \uc911\ub825\ud30c\ub97c \ub290\ub07c\uace0,\u00a0<\/span>\ub2e4\uc591\ud55c \ud30c\uc7a5\uc758 \ube5b\uc744 \ubd04\uc73c\ub85c\uc368 \ucc9c\uccb4\uc758 \ud2b9\uc131\uc744 \uc54c\uc544\ub0b4\ub294 \uacfc\uc815\uc744\u00a0\u2018<\/span>\ub2e4\uc911 \uc2e0\ud638 \ucc9c\ubb38\ud559(Multi-Messenger Astronomy)\u2019<\/span>\uc774\ub77c \ubd80\ub978\ub2e4. 2017<\/span>\ub144\u00a08<\/span>\uc6d4\u00a017<\/span>\uc77c,\u00a0<\/span>\ucd5c\ucd08\uc758 \ub2e4\uc911 \uc2e0\ud638 \ucc9c\ubb38 \uad00\uce21\uc774 \uc704\uc640 \uac19\uc774 \ud070 \uc131\uacfc\ub97c \uac70\ub450\uc5c8\uace0,\u00a0<\/span>\uadf8\ub85c\ubd80\ud130 \ud55c \ub2ec \ub4a4\uc778\u00a09<\/span>\uc6d4\u00a022<\/span>\uc77c \uc6b0\uc8fc\ub85c\ubd80\ud130 \ub0a0\uc544\uc628 \uac00\ubcbc\uc6b4 \uc785\uc790\uc778 \ub274\ud2b8\ub9ac\ub178\uac00 \uc6b0\ub9ac\ub85c\ubd80\ud130 \uc544\uc8fc \uba40\ub9ac \ub5a8\uc5b4\uc9c4 \ud55c \uc740\ud558\uc758 \ud65c\ub3d9\uc801\uc778 \ud575\uc73c\ub85c\ubd80\ud130 \ubc1c\uc0ac\ub418\uc5c8\ub2e4\ub294 \uac83\uc774 \ucd5c\ucd08\ub85c \ubc1d\ud600\uc9c0\uba74\uc11c \uc911\ub825\ud30c\ubfd0\ub9cc \uc544\ub2c8\ub77c \ub274\ud2b8\ub9ac\ub178\uae4c\uc9c0\ub3c4 \ub2e4\uc911 \uc2e0\ud638 \ucc9c\ubb38\ud559\uc758 \ubc94\uc8fc\uc5d0 \ub4e4\uc5b4\uac00\uac8c \ub418\uc5c8\ub2e4.\u00a0<\/span>\uacfc\uc5f0 \uc774\ub7ec\ud55c \uc0c8\ub85c\uc6b4 \uac10\uac01\ub4e4\uc774,\u00a0<\/span>\uc6b0\uc8fc\ub77c\ub294 \uac70\ub300\ud55c \ucf54\ub07c\ub9ac\uc5d0 \ub300\ud574 \ubb34\uc5c7\uc744 \uc54c\ub824\uc8fc\uac8c \ub420\uc9c0 \uc55e\uc73c\ub85c\ub3c4 \uc8fc\ubaa9\ud574 \ubcf4\uc790.<\/span><\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n

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(\uc6d0\ubb38: \uc5ec\uae30<\/a>\ub97c \ud074\ub9ad\ud558\uc138\uc694~)<\/p>\n

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 <\/p>\n","protected":false},"excerpt":{"rendered":"

        \ubd88\uad50\uc758 \uacbd\uc804 \u2018\uc5f4\ubc18\uacbd\u2019\uc5d0\ub294 \ub2e4\uc74c\uacfc \uac19\uc740 \uc77c\ud654\uac00 \uc788\ub2e4. \uace0\ub300 \uc778\ub3c4\uc758 \ud55c \uc784\uae08\uc774 \uc9c4\ub9ac\uc5d0 \uad00\ud574 \ub17c\ud558\ub2e4\uac00 \uc2e0\ud558\uc5d0\uac8c \ucf54\ub07c\ub9ac \ud55c \ub9c8\ub9ac\ub97c \ubab0\uace0 \uc624\ub77c \uba85\ub839\ud558\uc600\ub2e4.\u00a0\uadf8\ub294(more…)<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_monsterinsights_skip_tracking":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2},"jetpack_post_was_ever_published":false},"categories":[39,38,32,36,29],"tags":[],"class_list":["post-3682","post","type-post","status-publish","format-standard","hentry","category-01----02---","category-38","category-essays-on-science","category-lets-do-physics","category-lets-do-science"],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\t\n\t\n\t\n\t\n\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t