 김*진
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<p style="font-family: Verdana, Arial, Gulim; font-size: 12px; background-color: rgb(255, 255, 255);"><span style="font-family: Dotum;"><a class="highslide highslide-move" rel="highslide" href="https://ncache.ilbe.com/files/attach/new/20171118/377678/296033374/10147328901/9994ddbdd466c32e57a823f9d5f89d47.jpg" style="color: rgb(136, 136, 136); text-decoration-line: none; outline: none; cursor: move;"><img src="https://ncache.ilbe.com/files/attach/new/20171118/377678/296033374/10147328901/9994ddbdd466c32e57a823f9d5f89d47.jpg" alt="big.jpg" width="723" height="469" style="border: none; cursor: url("http://www.ilbe.com/addons/highslide/highslide/graphics/zoomin.cur"), pointer !important; margin: 2px 0px;"></a><br></span></p><p style="font-family: Verdana, Arial, Gulim; font-size: 12px; background-color: rgb(255, 255, 255);"><span style="font-family: Dotum;">안녕</span><span lang="en-us" xml:lang="en-us" style="font-family: Dotum;">! </span><span style="font-family: Dotum;">오늘은 우주의 크기에 대해서 한번 알아보려고 해</span><span lang="en-us" xml:lang="en-us"></span></p><p style="font-family: Verdana, Arial, Gulim; font-size: 12px; background-color: rgb(255, 255, 255);"></p><p style="font-family: Verdana, Arial, Gulim; font-size: 12px; background-color: rgb(255, 255, 255);"><span style="font-family: Dotum;">우주의 크기는 어떻게 젤까</span><span lang="en-us" xml:lang="en-us" style="font-family: Dotum;">?</span></p><p style="font-family: Verdana, Arial, Gulim; font-size: 12px; background-color: rgb(255, 255, 255);"></p><p style="font-family: Verdana, Arial, Gulim; font-size: 12px; background-color: rgb(255, 255, 255);"><span style="font-family: Dotum;">눈으로 보는 방법이 제일 직관적이고 빠르겠지</span><span lang="en-us" xml:lang="en-us" style="font-family: Dotum;">?</span></p><p style="font-family: Verdana, Arial, Gulim; font-size: 12px; background-color: rgb(255, 255, 255);"></p><p style="font-family: Verdana, Arial, Gulim; font-size: 12px; background-color: rgb(255, 255, 255);"><span style="font-family: Dotum;">과학자들은 빛의 속도와 우주의 팽창속도를 역산해서 우리 눈으로 볼 수 있는 우주의 가장 먼 곳은</span><span lang="en-us" xml:lang="en-us" style="font-family: Dotum;"> 145</span><span style="font-family: Dotum;">억광년 떨어져 있다는 걸 알았어</span><span lang="en-us" xml:lang="en-us" style="font-family: Dotum;">.</span></p><p style="font-family: Verdana, Arial, Gulim; font-size: 12px; background-color: rgb(255, 255, 255);"></p><p style="font-family: Verdana, Arial, Gulim; font-size: 12px; background-color: rgb(255, 255, 255);"><span style="font-family: Dotum;">즉</span><span lang="en-us" xml:lang="en-us" style="font-family: Dotum;">, </span><span style="font-family: Dotum;">우리가 눈으로 볼 수 있는 우주의 크기는 반지름</span><span lang="en-us" xml:lang="en-us" style="font-family: Dotum;"> 145</span><span style="font-family: Dotum;">억광년의 구체라는걸 알수있겠쥐</span><span lang="en-us" xml:lang="en-us" style="font-family: Dotum;">?</span></p><p style="font-family: Verdana, Arial, Gulim; font-size: 12px; background-color: rgb(255, 255, 255);"></p><p style="font-family: Verdana, Arial, Gulim; font-size: 12px; background-color: rgb(255, 255, 255);"><span style="font-family: Dotum;">이 거리를 우주의 지평선이라고 말해</span><span lang="en-us" xml:lang="en-us" style="font-family: Dotum;">. 키야 멋있노! </span></p><p style="font-family: Verdana, Arial, Gulim; font-size: 12px; background-color: rgb(255, 255, 255);"></p><p style="font-family: Verdana, Arial, Gulim; font-size: 12px; background-color: rgb(255, 255, 255);"><span lang="en-us" xml:lang="en-us" style="font-family: Dotum;">사실은 내가 그냥 갖다붙인거임 ㅋ </span></p><p style="font-family: Verdana, Arial, Gulim; font-size: 12px; background-color: rgb(255, 255, 255);"><span lang="en-us" xml:lang="en-us" style="font-family: Dotum;"><a class="highslide highslide-move" rel="highslide" href="https://ncache.ilbe.com/files/attach/new/20171118/377678/296033374/10147328901/05ad237e0ad7d84ac1556944187184e1.jpg" style="color: rgb(136, 136, 136); text-decoration-line: none; outline: none; cursor: move;"><img src="https://ncache.ilbe.com/files/attach/new/20171118/377678/296033374/10147328901/05ad237e0ad7d84ac1556944187184e1.jpg" alt="zi.jpg" width="740" height="555" style="border: none; cursor: url("http://www.ilbe.com/addons/highslide/highslide/graphics/zoomin.cur"), pointer !important; margin: 2px 0px;"></a><br></span></p><p style="font-family: Verdana, Arial, Gulim; font-size: 12px; background-color: rgb(255, 255, 255);"><span style="font-family: Dotum;">요시</span><span lang="en-us" xml:lang="en-us" style="font-family: Dotum;">! </span><span style="font-family: Dotum;">꼬꼬마가 아재요 우주는 얼만해용</span><span lang="en-us" xml:lang="en-us" style="font-family: Dotum;">? </span><span style="font-family: Dotum;">하고 물으면 니애미허벌보지만해 이러지 말고 구체적인 수치로 말해줄 수 있겠지</span><span lang="en-us" xml:lang="en-us" style="font-family: Dotum;">?</span></p><p style="font-family: Verdana, Arial, Gulim; font-size: 12px; background-color: rgb(255, 255, 255);"><span style="font-family: Dotum;">그런데 생각해보자</span><span lang="en-us" xml:lang="en-us" style="font-family: Dotum;">.</span></p><p style="font-family: Verdana, Arial, Gulim; font-size: 12px; background-color: rgb(255, 255, 255);"></p><p style="font-family: Verdana, Arial, Gulim; font-size: 12px; background-color: rgb(255, 255, 255);"><span style="font-family: Dotum;">허벌보지가 처음부터 허벌보지였을까</span><span lang="en-us" xml:lang="en-us" style="font-family: Dotum;">?</span></p><p style="font-family: Verdana, Arial, Gulim; font-size: 12px; background-color: rgb(255, 255, 255);"></p><p style="font-family: Verdana, Arial, Gulim; font-size: 12px; background-color: rgb(255, 255, 255);"><span lang="en-us" xml:lang="en-us" style="font-family: Dotum;"><a class="highslide highslide-move" rel="highslide" href="https://ncache.ilbe.com/files/attach/new/20171118/377678/296033374/10147328901/b6355dc947ce7daed13e1945853b88ce.jpg" style="color: rgb(136, 136, 136); text-decoration-line: none; outline: none; cursor: move;"><img src="https://ncache.ilbe.com/files/attach/new/20171118/377678/296033374/10147328901/b6355dc947ce7daed13e1945853b88ce.jpg" alt="gu.jpg" width="219" height="231" style="border: none; cursor: url("http://www.ilbe.com/addons/highslide/highslide/graphics/zoomin.cur"), pointer !important; margin: 2px 0px;"></a><br></span></p><p style="font-family: Verdana, Arial, Gulim; font-size: 12px; background-color: rgb(255, 255, 255);"><span style="font-family: Dotum;">참 좆같은 의문이 아닐 수 없어</span><span lang="en-us" xml:lang="en-us" style="font-family: Dotum;">.</span></p><p style="font-family: Verdana, Arial, Gulim; font-size: 12px; background-color: rgb(255, 255, 255);"></p><p style="font-family: Verdana, Arial, Gulim; font-size: 12px; background-color: rgb(255, 255, 255);"><span style="font-family: Dotum;">우리 우주는 정적인 우주가 아니고 가속도 팽창하는 동적인 우주이기 때문에</span><span lang="en-us" xml:lang="en-us" style="font-family: Dotum;"> 145</span><span style="font-family: Dotum;">억 광년 빛이 지구로 도달하는 동안 우주의 지평선은 계속해서 넓어져왔다고 논리적 이성적 합리적 두뇌활동에의해서 결론을 내릴 수 있어</span><span lang="en-us" xml:lang="en-us" style="font-family: Dotum;">.</span></p><p style="font-family: Verdana, Arial, Gulim; font-size: 12px; background-color: rgb(255, 255, 255);"></p><p style="font-family: Verdana, Arial, Gulim; font-size: 12px; background-color: rgb(255, 255, 255);"><span style="font-family: Dotum;">즉</span><span lang="en-us" xml:lang="en-us" style="font-family: Dotum;">, </span><span style="font-family: Dotum;">우리 눈에 보이는 우주는 실제로는 훨씬 더 크다는 말이 돼</span><span lang="en-us" xml:lang="en-us" style="font-family: Dotum;">.</span></p><p style="font-family: Verdana, Arial, Gulim; font-size: 12px; background-color: rgb(255, 255, 255);"></p><p style="font-family: Verdana, Arial, Gulim; font-size: 12px; background-color: rgb(255, 255, 255);"><span lang="en-us" xml:lang="en-us" style="font-family: Dotum; color: rgb(34, 34, 34); background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;"</span><span style="font-family: Dotum; color: rgb(34, 34, 34); background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;">억년이라는 시간을 이미 알고있으니까 우주의 팽창속도만 알면 시간곱하기 속도해서 우주의 지평선이 얼마나 멀어졌는지 알 수 있겠지<span lang="en-us" xml:lang="en-us">?</span></span></p><p style="font-family: Verdana, Arial, Gulim; font-size: 12px; background-color: rgb(255, 255, 255);"></p><p style="font-family: Verdana, Arial, Gulim; font-size: 12px; background-color: rgb(255, 255, 255);"><span style="font-family: Dotum; color: rgb(34, 34, 34); background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;">우주의 팽창속도는 허블정수라고 은하간의 멀어지는 속도를 측정해서 이미 알고있어<span lang="en-us" xml:lang="en-us">.</span></span></p><p style="font-family: Verdana, Arial, Gulim; font-size: 12px; background-color: rgb(255, 255, 255);"></p><p style="font-family: Verdana, Arial, Gulim; font-size: 12px; background-color: rgb(255, 255, 255);"><span style="font-family: Dotum; color: rgb(34, 34, 34); background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;">허블정수에 따르면 어느 위치에서<span lang="en-us" xml:lang="en-us"> 326</span>만광년 단위로 멀어질수록 우주의 팽창 속도가 초속<span lang="en-us" xml:lang="en-us"> 73.2km</span>씩 빨라진다고 해<span lang="en-us" xml:lang="en-us">.</span></span></p><p style="font-family: Verdana, Arial, Gulim; font-size: 12px; background-color: rgb(255, 255, 255);"></p><p style="font-family: Verdana, Arial, Gulim; font-size: 12px; background-color: rgb(255, 255, 255);"><span style="font-family: Dotum; color: rgb(34, 34, 34); background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;">요시<span lang="en-us" xml:lang="en-us">! </span>그렇다면 계산을 해봐야겠지<span lang="en-us" xml:lang="en-us">?</span></span></p><p style="font-family: Verdana, Arial, Gulim; font-size: 12px; background-color: rgb(255, 255, 255);"></p><p style="font-family: Verdana, Arial, Gulim; font-size: 12px; background-color: rgb(255, 255, 255);"><span style="font-family: Dotum; color: rgb(34, 34, 34); background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;">근데 계산해볼라니까 우주가 계속해서 팽창하고 있으니까 시시때때로 팽창속도가 증가하니까 골치아프다 이기야<span lang="en-us" xml:lang="en-us">… </span>그래서 그냥 계산과정은 생략할게<span lang="en-us" xml:lang="en-us"></span></span></p><p style="font-family: Verdana, Arial, Gulim; font-size: 12px; background-color: rgb(255, 255, 255);"></p><p style="font-family: Verdana, Arial, Gulim; font-size: 12px; background-color: rgb(255, 255, 255);"><span style="font-family: Dotum; color: rgb(34, 34, 34); background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;">결론은<span lang="en-us" xml:lang="en-us">!! </span>반경<span lang="en-us" xml:lang="en-us"> 470</span>억광년이라고 과학자들이 계산해냈어<span lang="en-us" xml:lang="en-us">.</span></span></p><p style="font-family: Verdana, Arial, Gulim; font-size: 12px; background-color: rgb(255, 255, 255);"></p><p style="font-family: Verdana, Arial, Gulim; font-size: 12px; background-color: rgb(255, 255, 255);"><span style="font-family: Dotum; color: rgb(34, 34, 34); background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;"><span lang="en-us" xml:lang="en-us"><a class="highslide highslide-move" rel="highslide" href="https://ncache.ilbe.com/files/attach/new/20171118/377678/296033374/10147328901/4722447d94a38f2f7904e8fc15af8ea1.jpg" style="color: rgb(136, 136, 136); text-decoration-line: none; outline: none; cursor: move;"><img src="https://ncache.ilbe.com/files/attach/new/20171118/377678/296033374/10147328901/4722447d94a38f2f7904e8fc15af8ea1.jpg" alt="koune.jpg" width="320" height="240" style="border: none; cursor: url("http://www.ilbe.com/addons/highslide/highslide/graphics/zoomin.cur"), pointer !important; margin: 2px 0px;"></a><br></span></span></p><p style="font-family: Verdana, Arial, Gulim; font-size: 12px; background-color: rgb(255, 255, 255);"><span style="font-family: Dotum; color: rgb(34, 34, 34); background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;">캬<span lang="en-us" xml:lang="en-us">~ </span>이제는 꼬꼬마의 의문에 확실한 대답을 줄 수 있을 거 같아<span lang="en-us" xml:lang="en-us">.</span></span></p><p style="font-family: Verdana, Arial, Gulim; font-size: 12px; background-color: rgb(255, 255, 255);"></p><p style="font-family: Verdana, Arial, Gulim; font-size: 12px; background-color: rgb(255, 255, 255);"><span style="font-family: Dotum; color: rgb(34, 34, 34); background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;">그런데 꼬꼬마가 개씹창썩소를 날리면서 아재요 수평선너머에는 바다가 없나용<span lang="en-us" xml:lang="en-us">? </span>ㅋㅋㅋ<span lang="en-us" xml:lang="en-us"> 1</span>차원두뇌새끼 ㅋㅋㅋ 이러면서 쪼개고 있다고 생각해보자<span lang="en-us" xml:lang="en-us">...</span></span></p><p style="font-family: Verdana, Arial, Gulim; font-size: 12px; background-color: rgb(255, 255, 255);"></p><p style="font-family: Verdana, Arial, Gulim; font-size: 12px; background-color: rgb(255, 255, 255);"><span style="font-family: Dotum; color: rgb(34, 34, 34); background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;">그렇다<span lang="en-us" xml:lang="en-us">.. </span>우리는 한가지 잊고 있었다<span lang="en-us" xml:lang="en-us">.</span></span></p><p style="font-family: Verdana, Arial, Gulim; font-size: 12px; background-color: rgb(255, 255, 255);"></p><p style="font-family: Verdana, Arial, Gulim; font-size: 12px; background-color: rgb(255, 255, 255);"><span style="font-family: Dotum; color: rgb(34, 34, 34); background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;"><span lang="en-us" xml:lang="en-us"><a class="highslide highslide-move" rel="highslide" href="https://ncache.ilbe.com/files/attach/new/20171118/377678/296033374/10147328901/d6480fa4be04c15f2af0a18dd26c763b.jpg" style="color: rgb(136, 136, 136); text-decoration-line: none; outline: none; cursor: move;"><img src="https://ncache.ilbe.com/files/attach/new/20171118/377678/296033374/10147328901/d6480fa4be04c15f2af0a18dd26c763b.jpg" alt="sa.jpg" width="256" height="197" style="border: none; cursor: url("http://www.ilbe.com/addons/highslide/highslide/graphics/zoomin.cur"), pointer !important; margin: 2px 0px;"></a><br></span></span></p><p style="font-family: Verdana, Arial, Gulim; font-size: 12px; background-color: rgb(255, 255, 255);"><span lang="en-us" xml:lang="en-us" style="font-family: Dotum; color: rgb(34, 34, 34); background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;"</span><span style="font-family: Dotum; color: rgb(34, 34, 34); background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;">억 광년 크기의 우주는 어디까지나 우리가 관측 가능한 우주의 크기이고<span lang="en-us" xml:lang="en-us"></span></span></p><p style="font-family: Verdana, Arial, Gulim; font-size: 12px; background-color: rgb(255, 255, 255);"></p><p style="font-family: Verdana, Arial, Gulim; font-size: 12px; background-color: rgb(255, 255, 255);"><span style="font-family: Dotum; color: rgb(34, 34, 34); background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;">실제 우주 전체의 크기는 아니야<span lang="en-us" xml:lang="en-us">.</span></span></p><p style="font-family: Verdana, Arial, Gulim; font-size: 12px; background-color: rgb(255, 255, 255);"></p><p style="font-family: Verdana, Arial, Gulim; font-size: 12px; background-color: rgb(255, 255, 255);"><span style="font-family: Dotum; color: rgb(34, 34, 34); background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;">우주 빅뱅직후에 인플레이션폭발이 일어났는데 이때 모든 공간이 빛보다 훨씬 빠르게 팽창되었어<span lang="en-us" xml:lang="en-us">.</span></span></p><p style="font-family: Verdana, Arial, Gulim; font-size: 12px; background-color: rgb(255, 255, 255);"></p><p style="font-family: Verdana, Arial, Gulim; font-size: 12px; background-color: rgb(255, 255, 255);"><span style="font-family: Dotum;">비유를 하자면 눈 깜짝할 사이의</span><span lang="en-us" xml:lang="en-us" style="font-family: Dotum;"> 1</span><span style="font-family: Dotum;">억분의</span><span lang="en-us" xml:lang="en-us" style="font-family: Dotum;"ɭ</span><span style="font-family: Dotum;">초정도에 원자만한 크기의 우주가 우리 은하계만큼 커졌다고 말해</span><span lang="en-us" xml:lang="en-us" style="font-family: Dotum;">.</span></p><p style="font-family: Verdana, Arial, Gulim; font-size: 12px; background-color: rgb(255, 255, 255);"></p><p style="font-family: Verdana, Arial, Gulim; font-size: 12px; background-color: rgb(255, 255, 255);"><span style="font-family: Dotum;">뭐 정확한 시간이 중요한게 아니고 여튼 인간의 두뇌로는 상상할 수 없는 빠르기야</span><span lang="en-us" xml:lang="en-us" style="font-family: Dotum;">.</span></p><p style="font-family: Verdana, Arial, Gulim; font-size: 12px; background-color: rgb(255, 255, 255);"></p><p style="font-family: Verdana, Arial, Gulim; font-size: 12px; background-color: rgb(255, 255, 255);"><span style="font-family: Dotum;">즉</span><span lang="en-us" xml:lang="en-us" style="font-family: Dotum;">, </span><span style="font-family: Dotum;">이때 아무리 가깝게 붙어있다고 해도 모든 공간이 빛보다 빠르게 팽창하고 있었기 때문에 서로간에 빛이 도달하지 않았어</span><span lang="en-us" xml:lang="en-us" style="font-family: Dotum;">.</span></p><p style="font-family: Verdana, Arial, Gulim; font-size: 12px; background-color: rgb(255, 255, 255);"></p><p style="font-family: Verdana, Arial, Gulim; font-size: 12px; background-color: rgb(255, 255, 255);"><span style="font-family: Dotum;">말 그대로 눈뜬 장님신세였지</span><span lang="en-us" xml:lang="en-us" style="font-family: Dotum;">.</span></p><p style="font-family: Verdana, Arial, Gulim; font-size: 12px; background-color: rgb(255, 255, 255);"><span style="font-family: Dotum;">그리고 인플레이션폭발이 끝나고 우주 팽창속도가 지금의 허블정수만큼 되었을 때 허블정수속도가 빛의 속도를 넘지 않는 공간까지라면 빛이 도달할 수 있었을 거야</span><span lang="en-us" xml:lang="en-us"></span></p><p style="font-family: Verdana, Arial, Gulim; font-size: 12px; background-color: rgb(255, 255, 255);"></p><p style="font-family: Verdana, Arial, Gulim; font-size: 12px; background-color: rgb(255, 255, 255);"><span style="font-family: Dotum;"><a class="highslide highslide-move" rel="highslide" href="https://www.ilbe.com/files/attach/new/20171118/377678/296033374/10147328901/0452d3b2ce73c346030df7b405c474fa.png" style="color: rgb(136, 136, 136); text-decoration-line: none; outline: none; cursor: move;"><img src="https://www.ilbe.com/files/attach/new/20171118/377678/296033374/10147328901/0452d3b2ce73c346030df7b405c474fa.png" data-original="https://www.ilbe.com/files/attach/new/20171118/377678/296033374/10147328901/0452d3b2ce73c346030df7b405c474fa.png" alt="제목 없음.png" width="870" height="395" style="border: none; cursor: url("http://www.ilbe.com/addons/highslide/highslide/graphics/zoomin.cur"), pointer !important; margin: 2px 0px;"></a><br></span></p><p style="font-family: Verdana, Arial, Gulim; font-size: 12px; background-color: rgb(255, 255, 255);"><span style="font-family: Dotum;">어느정도 공간이냐 하면 </span><span lang="en-us" xml:lang="en-us" style="font-family: Dotum; color: rgb(34, 34, 34); background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;"</span><span style="font-family: Dotum; color: rgb(34, 34, 34); background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;">만광년 단위로 멀어질수록 우주의 팽창 속도가 초속<span lang="en-us" xml:lang="en-us"> 73.2km</span>씩 빨라지지고 빛의 속도는 초속<span lang="en-us" xml:lang="en-us"> 30</span>만<span lang="en-us" xml:lang="en-us">km</span>이니까<span lang="en-us" xml:lang="en-us"> 300000/73x3260000=134</span>억광년 정도 되네<span lang="en-us" xml:lang="en-us">…</span>ㅎㅎ<span lang="en-us" xml:lang="en-us"></span></span></p><p style="font-family: Verdana, Arial, Gulim; font-size: 12px; background-color: rgb(255, 255, 255);"></p><p style="font-family: Verdana, Arial, Gulim; font-size: 12px; background-color: rgb(255, 255, 255);"><span style="font-family: Dotum; color: rgb(34, 34, 34); background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;">오차 범위 생각하면<span lang="en-us" xml:lang="en-us"> 145</span>억년 될 듯<span lang="en-us" xml:lang="en-us">.. </span>ㅋㅋ 뻘짓했다 ㅅㅂ 이래서 편돌이 하는듯<span lang="en-us" xml:lang="en-us">…</span></span></p><p style="font-family: Verdana, Arial, Gulim; font-size: 12px; background-color: rgb(255, 255, 255);"></p><p style="font-family: Verdana, Arial, Gulim; font-size: 12px; background-color: rgb(255, 255, 255);"><span style="font-family: Dotum; color: rgb(34, 34, 34); background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;">여튼<span lang="en-us" xml:lang="en-us">, </span>문제는 현재 관측 가능한 우리 우주는 전체 인플레이션 폭발 때 전체 우주에서 제로에 수렴할 정도로 아주 극히 일부분이었다는 소리야<span lang="en-us" xml:lang="en-us">.</span></span></p><p style="font-family: Verdana, Arial, Gulim; font-size: 12px; background-color: rgb(255, 255, 255);"></p><p style="font-family: Verdana, Arial, Gulim; font-size: 12px; background-color: rgb(255, 255, 255);"><span style="font-family: Dotum; color: rgb(34, 34, 34); background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;">즉<span lang="en-us" xml:lang="en-us">, </span>반대로 생각하면 관측가능 우주밖에는 거의 무한에 가까운 우주공간이 펼쳐져 있다는 소리고 지금 이순간에도 계속해서 팽창하고 있다고 볼 수 있어<span lang="en-us" xml:lang="en-us">.</span></span></p><p style="font-family: Verdana, Arial, Gulim; font-size: 12px; background-color: rgb(255, 255, 255);"></p><p style="font-family: Verdana, Arial, Gulim; font-size: 12px; background-color: rgb(255, 255, 255);"><span style="font-family: Dotum; color: rgb(34, 34, 34); background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;">즉<span lang="en-us" xml:lang="en-us">, </span>우주의 크기를 가늠할 어떤 수단이 없어<span lang="en-us" xml:lang="en-us">. </span>그냥 무조건 크다라고밖에 말할 수 없는게 현대우주과학의 위치라고 볼 수있지<span lang="en-us" xml:lang="en-us">.</span></span></p><p style="font-family: Verdana, Arial, Gulim; font-size: 12px; background-color: rgb(255, 255, 255);"></p><p style="font-family: Verdana, Arial, Gulim; font-size: 12px; background-color: rgb(255, 255, 255);"><span style="font-family: Dotum; color: rgb(34, 34, 34); background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;">다만<span lang="en-us" xml:lang="en-us">, </span>아무리 큰 우주라도 무한하다라고 말 할 수 없어<span lang="en-us" xml:lang="en-us">.</span></span></p><p style="font-family: Verdana, Arial, Gulim; font-size: 12px; background-color: rgb(255, 255, 255);"></p><p style="font-family: Verdana, Arial, Gulim; font-size: 12px; background-color: rgb(255, 255, 255);"><span style="font-family: Dotum; color: rgb(34, 34, 34); background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;">왜냐하면 빅뱅이라는 시작이 있었기 때문에 당연히 끝도 존재할거라 생각하는게 합리적이기 때문이지<span lang="en-us" xml:lang="en-us">.</span></span></p><p style="font-family: Verdana, Arial, Gulim; font-size: 12px; background-color: rgb(255, 255, 255);"></p><p style="font-family: Verdana, Arial, Gulim; font-size: 12px; background-color: rgb(255, 255, 255);"><span style="font-family: Dotum; color: rgb(34, 34, 34); background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;">여기서 잠깐<span lang="en-us" xml:lang="en-us">!</span></span></p><p style="font-family: Verdana, Arial, Gulim; font-size: 12px; background-color: rgb(255, 255, 255);"></p><p style="font-family: Verdana, Arial, Gulim; font-size: 12px; background-color: rgb(255, 255, 255);"><span style="font-family: Dotum; color: rgb(34, 34, 34); background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;">그렇다면 우주의 전체 크기는 가늠 할 수 없지만 우주의 형태는 어느정도 가늠 할 수 있는 방법이 있을 거 같아<span lang="en-us" xml:lang="en-us">!</span></span></p><p style="font-family: Verdana, Arial, Gulim; font-size: 12px; background-color: rgb(255, 255, 255);"></p><p style="font-family: Verdana, Arial, Gulim; font-size: 12px; background-color: rgb(255, 255, 255);"><span style="font-family: Dotum; color: rgb(34, 34, 34); background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;">바로 삼각형을 이용하는거야<span lang="en-us" xml:lang="en-us">.</span></span></p><p style="font-family: Verdana, Arial, Gulim; font-size: 12px; background-color: rgb(255, 255, 255);"></p><p style="font-family: Verdana, Arial, Gulim; font-size: 12px; background-color: rgb(255, 255, 255);"><span style="font-family: Dotum; color: rgb(34, 34, 34); background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;"><span lang="en-us" xml:lang="en-us"><a class="highslide highslide-move" rel="highslide" href="https://www.ilbe.com/files/attach/new/20171118/377678/296033374/10147328901/41f7666b283db560bc36419a807876ca.jpg" style="color: rgb(136, 136, 136); text-decoration-line: none; outline: none; cursor: move;"><img src="https://www.ilbe.com/files/attach/new/20171118/377678/296033374/10147328901/41f7666b283db560bc36419a807876ca.jpg" data-original="https://www.ilbe.com/files/attach/new/20171118/377678/296033374/10147328901/41f7666b283db560bc36419a807876ca.jpg" alt="유클리드기하학비교.jpg" width="400" height="260" style="border: none; cursor: url("http://www.ilbe.com/addons/highslide/highslide/graphics/zoomin.cur"), pointer !important; margin: 2px 0px;"></a><br></span></span></p><p style="font-family: Verdana, Arial, Gulim; font-size: 12px; background-color: rgb(255, 255, 255);"><span style="font-family: Dotum; color: rgb(34, 34, 34); background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;">평면위에서 삼각형의 세 각의 합은<span lang="en-us" xml:lang="en-us"> 180</span>도라는걸 초딩들도 알고있는 팩트일거야<span lang="en-us" xml:lang="en-us">.</span></span></p><p style="font-family: Verdana, Arial, Gulim; font-size: 12px; background-color: rgb(255, 255, 255);"></p><p style="font-family: Verdana, Arial, Gulim; font-size: 12px; background-color: rgb(255, 255, 255);"><span style="font-family: Dotum; color: rgb(34, 34, 34); background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;">그럼 삼각형을 지구와 같은 구형에 그려보면 어떨까<span lang="en-us" xml:lang="en-us">?</span></span></p><p style="font-family: Verdana, Arial, Gulim; font-size: 12px; background-color: rgb(255, 255, 255);"></p><p style="font-family: Verdana, Arial, Gulim; font-size: 12px; background-color: rgb(255, 255, 255);"><span style="font-family: Dotum; color: rgb(34, 34, 34); background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;">삼각형의 세 내각의 합이<span lang="en-us" xml:lang="en-us"> 180</span>도 보다 크다는걸 측정하게 될거야<span lang="en-us" xml:lang="en-us">.</span></span></p><p style="font-family: Verdana, Arial, Gulim; font-size: 12px; background-color: rgb(255, 255, 255);"></p><p style="font-family: Verdana, Arial, Gulim; font-size: 12px; background-color: rgb(255, 255, 255);"><span style="font-family: Dotum; color: rgb(34, 34, 34); background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;">이번엔 말등자같이 생긴 평면위에 삼각형의 세내각 합을 보면<span lang="en-us" xml:lang="en-us"> 180</span>도보다 작다는걸 관측하게 되겠지<span lang="en-us" xml:lang="en-us"></span></span></p><p style="font-family: Verdana, Arial, Gulim; font-size: 12px; background-color: rgb(255, 255, 255);"></p><p style="font-family: Verdana, Arial, Gulim; font-size: 12px; background-color: rgb(255, 255, 255);"><span style="font-family: Dotum; color: rgb(34, 34, 34); background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;">즉<span lang="en-us" xml:lang="en-us">, </span>전체를 보지 못하더라도 일부분의 공간에서 삼각형의 세 내각의 합을 측정하면 기하학적 공간의 형태를 파악할 수 있는거야<span lang="en-us" xml:lang="en-us">!</span></span></p><p style="font-family: Verdana, Arial, Gulim; font-size: 12px; background-color: rgb(255, 255, 255);"></p><p style="font-family: Verdana, Arial, Gulim; font-size: 12px; background-color: rgb(255, 255, 255);"><span style="font-family: Dotum; color: rgb(34, 34, 34); background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;">만약 우주에서 세 내각의 합이<span lang="en-us" xml:lang="en-us"> 180</span>도 보다 크다면 우주는 우리 지구와 같이 한정적인 공간을 가지고 있지만 계속 한방향으로 가다가 보면 원위치로 돌아오는 리턴구조를 가지고 있을테고<span lang="en-us" xml:lang="en-us"> 180</span>이하면 무한히 발산하는 형태의 말 그대로 무한대의 우주공간을 가지고 있게돼<span lang="en-us" xml:lang="en-us">.</span></span></p><p style="font-family: Verdana, Arial, Gulim; font-size: 12px; background-color: rgb(255, 255, 255);"></p><p style="font-family: Verdana, Arial, Gulim; font-size: 12px; background-color: rgb(255, 255, 255);"><span style="font-family: Dotum; color: rgb(34, 34, 34); background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;">요시<span lang="en-us" xml:lang="en-us">! </span>그럼 우주의 형태라도 함 뽀대나게 알아보려고 과학자들이 부단히 노력했어<span lang="en-us" xml:lang="en-us">.</span></span></p><p style="font-family: Verdana, Arial, Gulim; font-size: 12px; background-color: rgb(255, 255, 255);"></p><p style="font-family: Verdana, Arial, Gulim; font-size: 12px; background-color: rgb(255, 255, 255);"><span style="font-family: Dotum; color: rgb(34, 34, 34); background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;">방법은 뭐 가장 멀리 떨어진 항성과 항성사이에 가상의 선을 그어서 각을 젠다거나<span lang="en-us" xml:lang="en-us">, </span>우주에 퍼져있는 에너지 밀도를 측정해서 삼각형의 각을 알아본 결과 곡률이 거의<span lang="en-us" xml:lang="en-us"> 0</span>에 수렴하는 것을 발견하게 돼<span lang="en-us" xml:lang="en-us">. </span>즉<span lang="en-us" xml:lang="en-us">, </span>삼각형의 세 내각의 합이<span lang="en-us" xml:lang="en-us"> 180</span>도이고 이것은 우리 우주가 평평하게 거의 무한히 뻗어있음을 시사하고있어<span lang="en-us" xml:lang="en-us">.</span></span></p><p style="font-family: Verdana, Arial, Gulim; font-size: 12px; background-color: rgb(255, 255, 255);"></p><p style="font-family: Verdana, Arial, Gulim; font-size: 12px; background-color: rgb(255, 255, 255);"><span style="font-family: Dotum; color: rgb(34, 34, 34); background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;">그런데 ㅅㅂ 아까도 말했듯이 우주에 시작은 있는데 끝이 없다는게 말이되는거냐고<span lang="en-us" xml:lang="en-us">…;;</span></span></p><p style="font-family: Verdana, Arial, Gulim; font-size: 12px; background-color: rgb(255, 255, 255);"></p><p style="font-family: Verdana, Arial, Gulim; font-size: 12px; background-color: rgb(255, 255, 255);"><span style="font-family: Dotum; color: rgb(34, 34, 34); background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;">어디가 맞는 말이냐고<span lang="en-us" xml:lang="en-us">~!! </span>성질내는 딸잡이 일게이들을 위해서 지구로 다시 돌아와보자<span lang="en-us" xml:lang="en-us">.</span></span></p><p style="font-family: Verdana, Arial, Gulim; font-size: 12px; background-color: rgb(255, 255, 255);"></p><p style="font-family: Verdana, Arial, Gulim; font-size: 12px; background-color: rgb(255, 255, 255);"><span style="font-family: Dotum; color: rgb(34, 34, 34); background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;">지구는 분명 전체적으로 보면 완벽에 가까운 구형태일거야<span lang="en-us" xml:lang="en-us">.</span></span></p><p style="font-family: Verdana, Arial, Gulim; font-size: 12px; background-color: rgb(255, 255, 255);"></p><p style="font-family: Verdana, Arial, Gulim; font-size: 12px; background-color: rgb(255, 255, 255);"><span style="font-family: Dotum; color: rgb(34, 34, 34); background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;">하지만 우리 일게이들 컴퓨터 책상은 존나 평평하잖아<span lang="en-us" xml:lang="en-us">? </span>거기다가 삼각형 그리고 각도제보면 당연<span lang="en-us" xml:lang="en-us"> 180</span>도 나오겠지<span lang="en-us" xml:lang="en-us">? </span>즉<span lang="en-us" xml:lang="en-us">, </span>우리는 일부로 전체를 호도하는 논리오류를 범하고 있었던거야<span lang="en-us" xml:lang="en-us">!</span></span></p><p style="font-family: Verdana, Arial, Gulim; font-size: 12px; background-color: rgb(255, 255, 255);"></p><p style="font-family: Verdana, Arial, Gulim; font-size: 12px; background-color: rgb(255, 255, 255);"><span style="font-family: Dotum; color: rgb(34, 34, 34); background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;">우리 우주도 우리가 관찰 할 수 있는 우주는 아주 극히 일부분에 불과해<span lang="en-us" xml:lang="en-us">.</span></span></p><p style="font-family: Verdana, Arial, Gulim; font-size: 12px; background-color: rgb(255, 255, 255);"></p><p style="font-family: Verdana, Arial, Gulim; font-size: 12px; background-color: rgb(255, 255, 255);"><span style="font-family: Dotum; color: rgb(34, 34, 34); background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;">그리고 우리가 살고있는 관측가능한 우주는 우연히 아주 평평한 곳에 자리잡았을 확률이 높아<span lang="en-us" xml:lang="en-us">.</span></span></p><p style="font-family: Verdana, Arial, Gulim; font-size: 12px; background-color: rgb(255, 255, 255);"></p><p style="font-family: Verdana, Arial, Gulim; font-size: 12px; background-color: rgb(255, 255, 255);"><span style="font-family: Dotum; color: rgb(34, 34, 34); background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;">그리고 이 생각은 단지 근거없는 추측이 아니라<span lang="en-us" xml:lang="en-us">, </span>초기 인플레이션 우주론을 연구하던 한 과학자에 의해서 인플레이션 폭발이 한군데가 아니라 여러군데에서 동시다발적으로 생겨났다는걸 계산해냈어<span lang="en-us" xml:lang="en-us">. </span></span></p><p style="font-family: Verdana, Arial, Gulim; font-size: 12px; background-color: rgb(255, 255, 255);"><span style="font-family: Dotum; color: rgb(34, 34, 34); background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;">아직도 인플레이션폭발은 끝나지 않고 계속 일어나면서 새로운 우주가 생겨난다고 하는 과학자도 있는데 그건 일단 접어두고<span lang="en-us" xml:lang="en-us">, </span>왜 동시다발적으로 일어나게 되었냐고 하면<span lang="en-us" xml:lang="en-us">, </span>인플레이션 전단계의 원자보다도 작은 우주 알갱이였을 때 우주는 양자떨림이라는 상태에 놓여있었고 </span></p><p style="font-family: Verdana, Arial, Gulim; font-size: 12px; background-color: rgb(255, 255, 255);"><span style="font-family: Dotum; color: rgb(34, 34, 34); background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;"><a class="highslide highslide-move" rel="highslide" href="https://www.ilbe.com/files/attach/new/20171118/377678/296033374/10147328901/b69aef667358bb6c84613231bf41163d.jpg" style="color: rgb(136, 136, 136); text-decoration-line: none; outline: none; cursor: move;"><img src="https://www.ilbe.com/files/attach/new/20171118/377678/296033374/10147328901/b69aef667358bb6c84613231bf41163d.jpg" data-original="https://www.ilbe.com/files/attach/new/20171118/377678/296033374/10147328901/b69aef667358bb6c84613231bf41163d.jpg" alt="다운로드.jpg" width="289" height="174" style="border: none; cursor: url("http://www.ilbe.com/addons/highslide/highslide/graphics/zoomin.cur"), pointer !important; margin: 2px 0px;"></a><br></span></p><p style="font-family: Verdana, Arial, Gulim; font-size: 12px; background-color: rgb(255, 255, 255);"><span style="font-family: Dotum; color: rgb(34, 34, 34); background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;">이 양자떨림 상태는 에너지의 상태가 균일하지 않고 끝없이 요동치는 상태를 말해<span lang="en-us" xml:lang="en-us">. </span>우리가 위성사진으로 바다를 보면 고요한것처럼 보이지만 가까이가서 보면 배를 뒤집을 정도로 파도가 요란스럽게 몰몰아치는 것 과 같은 이치라고 생각하면 쉬울거야<span lang="en-us" xml:lang="en-us">.</span></span></p><p style="font-family: Verdana, Arial, Gulim; font-size: 12px; background-color: rgb(255, 255, 255);"></p><p style="font-family: Verdana, Arial, Gulim; font-size: 12px; background-color: rgb(255, 255, 255);"><span style="font-family: Dotum; color: rgb(34, 34, 34); background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;">그리고 이 우주의 초기상태가 개판이니까 당연히 급속팽창도 제각기 다 다르겠지<span lang="en-us" xml:lang="en-us">?</span></span></p><p style="font-family: Verdana, Arial, Gulim; font-size: 12px; background-color: rgb(255, 255, 255);"></p><p style="font-family: Verdana, Arial, Gulim; font-size: 12px; background-color: rgb(255, 255, 255);"><span style="font-family: Dotum; color: rgb(34, 34, 34); background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;">그리고 그런 차이로 인해서 우주의 곡률도 여기저기 다 다를거라는 결론을 얻을 수 있어</span></p><p style="font-family: Verdana, Arial, Gulim; font-size: 12px; background-color: rgb(255, 255, 255);"><span style="font-family: Dotum; color: rgb(34, 34, 34); background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;"><span lang="en-us" xml:lang="en-us"><a class="highslide highslide-move" rel="highslide" href="https://www.ilbe.com/files/attach/new/20171118/377678/296033374/10147328901/e270e912241bb9bdfbd8ddc874a3ddc6.jpg" style="color: rgb(136, 136, 136); text-decoration-line: none; outline: none; cursor: move;"><img src="https://www.ilbe.com/files/attach/new/20171118/377678/296033374/10147328901/e270e912241bb9bdfbd8ddc874a3ddc6.jpg" data-original="https://www.ilbe.com/files/attach/new/20171118/377678/296033374/10147328901/e270e912241bb9bdfbd8ddc874a3ddc6.jpg" alt="4058.jpg" width="405" height="202" style="border: none; cursor: url("http://www.ilbe.com/addons/highslide/highslide/graphics/zoomin.cur"), pointer !important; margin: 2px 0px;"></a><br></span></span></p><p style="font-family: Verdana, Arial, Gulim; font-size: 12px; background-color: rgb(255, 255, 255);"><font color="#222222" face="Dotum">그런데 여기서 우리는 한가지 놀라운 사실을 발견 할 수 있어.</font></p><p style="font-family: Verdana, Arial, Gulim; font-size: 12px; background-color: rgb(255, 255, 255);"><font color="#222222" face="Dotum">우주의 곡률에 따라서 우주의 성질도 달라지기 때문이야.</font></p><p style="font-family: Verdana, Arial, Gulim; font-size: 12px; background-color: rgb(255, 255, 255);"><font color="#222222" face="Dotum">예를들면 우주의 곡률이 0보다 큰 우주공간에서는 중력이 너무 강해서 초거대 블랙홀만 가득한 세상일테고</font></p><p style="font-family: Verdana, Arial, Gulim; font-size: 12px; background-color: rgb(255, 255, 255);"><font color="#222222" face="Dotum">반대로 우주 곡률이 0보다 작은 우주 공간에서는 중력이 너무 약해 별이 생성되지 못해 먼지만 자욱한 공간이 되겠지</font></p><p style="font-family: Verdana, Arial, Gulim; font-size: 12px; background-color: rgb(255, 255, 255);"><font color="#222222" face="Dotum">양쪽 어디에서도 생명체가 존재할 수 없는 조건이지.</font></p><p style="font-family: Verdana, Arial, Gulim; font-size: 12px; background-color: rgb(255, 255, 255);"><font color="#222222" face="Dotum">즉 우리가 살고있는 관측 가능한 우주는 전체 우주에서 보면 생명체가 존재 할 수 있는 작은 섬과 같은 공간이라고 생각 할 수 있어.</font></p><p style="font-family: Verdana, Arial, Gulim; font-size: 12px; background-color: rgb(255, 255, 255);"><br></p><p style="font-family: Verdana, Arial, Gulim; font-size: 12px; background-color: rgb(255, 255, 255);"><span style="font-family: 바탕, serif; color: rgb(34, 34, 34); background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;"><span lang="en-us" xml:lang="en-us"><span style="font-family: Dotum;">요약</span></span></span></p><p style="font-family: Verdana, Arial, Gulim; font-size: 12px; background-color: rgb(255, 255, 255);"><span style="font-family: 바탕, serif; color: rgb(34, 34, 34); background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;"><span lang="en-us" xml:lang="en-us"><span style="font-family: Dotum;"ɭ. 우주 |
2017/11/19
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