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블랙홀 - 위키백과, 우리 모두의 백과사전
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id="vector-appearance-dropdown-label" for="vector-appearance-dropdown-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only " aria-hidden="true" ><span class="vector-icon mw-ui-icon-appearance mw-ui-icon-wikimedia-appearance"></span> <span class="vector-dropdown-label-text">보이기</span> </label> <div class="vector-dropdown-content"> <div id="vector-appearance-unpinned-container" class="vector-unpinned-container"> </div> </div> </div> </nav> <div id="p-vector-user-menu-notifications" class="vector-menu mw-portlet emptyPortlet" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> </ul> </div> </div> <div id="p-vector-user-menu-overflow" class="vector-menu mw-portlet" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="pt-sitesupport-2" class="user-links-collapsible-item mw-list-item user-links-collapsible-item"><a data-mw="interface" href="https://donate.wikimedia.org/?wmf_source=donate&wmf_medium=sidebar&wmf_campaign=ko.wikipedia.org&uselang=ko" class=""><span>기부</span></a> </li> <li id="pt-createaccount-2" class="user-links-collapsible-item mw-list-item user-links-collapsible-item"><a data-mw="interface" href="/w/index.php?title=%ED%8A%B9%EC%88%98:%EA%B3%84%EC%A0%95%EB%A7%8C%EB%93%A4%EA%B8%B0&returnto=%EB%B8%94%EB%9E%99%ED%99%80" title="계정을 만들고 로그인하는 것이 좋습니다. 하지만 필수는 아닙니다" class=""><span>계정 만들기</span></a> </li> <li id="pt-login-2" class="user-links-collapsible-item mw-list-item user-links-collapsible-item"><a data-mw="interface" href="/w/index.php?title=%ED%8A%B9%EC%88%98:%EB%A1%9C%EA%B7%B8%EC%9D%B8&returnto=%EB%B8%94%EB%9E%99%ED%99%80" title="위키백과에 로그인하면 여러가지 편리한 기능을 사용할 수 있습니다. [o]" accesskey="o" class=""><span>로그인</span></a> </li> </ul> </div> </div> </div> <div id="vector-user-links-dropdown" class="vector-dropdown vector-user-menu vector-button-flush-right vector-user-menu-logged-out" title="더 많은 옵션" > <input type="checkbox" id="vector-user-links-dropdown-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-user-links-dropdown" class="vector-dropdown-checkbox " aria-label="개인 도구" > <label id="vector-user-links-dropdown-label" for="vector-user-links-dropdown-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only " aria-hidden="true" ><span class="vector-icon mw-ui-icon-ellipsis mw-ui-icon-wikimedia-ellipsis"></span> <span class="vector-dropdown-label-text">개인 도구</span> </label> <div class="vector-dropdown-content"> <div id="p-personal" class="vector-menu mw-portlet mw-portlet-personal user-links-collapsible-item" title="사용자 메뉴" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="pt-sitesupport" class="user-links-collapsible-item mw-list-item"><a href="https://donate.wikimedia.org/?wmf_source=donate&wmf_medium=sidebar&wmf_campaign=ko.wikipedia.org&uselang=ko"><span>기부</span></a></li><li id="pt-createaccount" class="user-links-collapsible-item mw-list-item"><a href="/w/index.php?title=%ED%8A%B9%EC%88%98:%EA%B3%84%EC%A0%95%EB%A7%8C%EB%93%A4%EA%B8%B0&returnto=%EB%B8%94%EB%9E%99%ED%99%80" title="계정을 만들고 로그인하는 것이 좋습니다. 하지만 필수는 아닙니다"><span class="vector-icon mw-ui-icon-userAdd mw-ui-icon-wikimedia-userAdd"></span> <span>계정 만들기</span></a></li><li id="pt-login" class="user-links-collapsible-item mw-list-item"><a href="/w/index.php?title=%ED%8A%B9%EC%88%98:%EB%A1%9C%EA%B7%B8%EC%9D%B8&returnto=%EB%B8%94%EB%9E%99%ED%99%80" title="위키백과에 로그인하면 여러가지 편리한 기능을 사용할 수 있습니다. [o]" accesskey="o"><span class="vector-icon mw-ui-icon-logIn mw-ui-icon-wikimedia-logIn"></span> <span>로그인</span></a></li> </ul> </div> </div> <div id="p-user-menu-anon-editor" class="vector-menu mw-portlet mw-portlet-user-menu-anon-editor" > <div class="vector-menu-heading"> 로그아웃한 편집자를 위한 문서 <a href="/wiki/%EB%8F%84%EC%9B%80%EB%A7%90:%EC%86%8C%EA%B0%9C" aria-label="편집에 관해 더 알아보기"><span>더 알아보기</span></a> </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="pt-anoncontribs" class="mw-list-item"><a href="/wiki/%ED%8A%B9%EC%88%98:%EB%82%B4%EA%B8%B0%EC%97%AC" title="이 IP 주소의 편집 목록 [y]" accesskey="y"><span>기여</span></a></li><li id="pt-anontalk" class="mw-list-item"><a href="/wiki/%ED%8A%B9%EC%88%98:%EB%82%B4%EC%82%AC%EC%9A%A9%EC%9E%90%ED%86%A0%EB%A1%A0" title="현재 사용하는 IP 주소에 대한 토론 문서 [n]" accesskey="n"><span>토론</span></a></li> </ul> </div> </div> </div> </div> </nav> </div> </header> </div> <div class="mw-page-container"> <div class="mw-page-container-inner"> <div class="vector-sitenotice-container"> <div id="siteNotice"><!-- CentralNotice --></div> </div> <div class="vector-column-start"> <div class="vector-main-menu-container"> <div id="mw-navigation"> <nav id="mw-panel" class="vector-main-menu-landmark" aria-label="사이트"> <div id="vector-main-menu-pinned-container" class="vector-pinned-container"> </div> </nav> </div> </div> <div class="vector-sticky-pinned-container"> <nav id="mw-panel-toc" aria-label="목차" data-event-name="ui.sidebar-toc" class="mw-table-of-contents-container vector-toc-landmark"> <div id="vector-toc-pinned-container" class="vector-pinned-container"> <div id="vector-toc" class="vector-toc vector-pinnable-element"> <div class="vector-pinnable-header vector-toc-pinnable-header vector-pinnable-header-pinned" data-feature-name="toc-pinned" data-pinnable-element-id="vector-toc" > <h2 class="vector-pinnable-header-label">목차</h2> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-toc.pin">사이드바로 이동</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-toc.unpin">숨기기</button> </div> <ul class="vector-toc-contents" id="mw-panel-toc-list"> <li id="toc-mw-content-text" class="vector-toc-list-item vector-toc-level-1"> <a href="#" class="vector-toc-link"> <div class="vector-toc-text">처음 위치</div> </a> </li> <li id="toc-역사" class="vector-toc-list-item vector-toc-level-1"> <a class="vector-toc-link" href="#역사"> <div class="vector-toc-text"> <span class="vector-toc-numb">1</span> <span>역사</span> </div> </a> <button aria-controls="toc-역사-sublist" class="cdx-button cdx-button--weight-quiet cdx-button--icon-only vector-toc-toggle"> <span class="vector-icon mw-ui-icon-wikimedia-expand"></span> <span>역사 하위섹션 토글하기</span> </button> <ul id="toc-역사-sublist" class="vector-toc-list"> <li id="toc-일반상대성이론" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#일반상대성이론"> <div class="vector-toc-text"> <span class="vector-toc-numb">1.1</span> <span>일반상대성이론</span> </div> </a> <ul id="toc-일반상대성이론-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-황금시대" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#황금시대"> <div class="vector-toc-text"> <span class="vector-toc-numb">1.2</span> <span>황금시대</span> </div> </a> <ul id="toc-황금시대-sublist" class="vector-toc-list"> </ul> </li> </ul> </li> <li id="toc-성질과_구조" class="vector-toc-list-item vector-toc-level-1"> <a class="vector-toc-link" href="#성질과_구조"> <div class="vector-toc-text"> <span class="vector-toc-numb">2</span> <span>성질과 구조</span> </div> </a> <button aria-controls="toc-성질과_구조-sublist" class="cdx-button cdx-button--weight-quiet cdx-button--icon-only vector-toc-toggle"> <span class="vector-icon mw-ui-icon-wikimedia-expand"></span> <span>성질과 구조 하위섹션 토글하기</span> </button> <ul id="toc-성질과_구조-sublist" class="vector-toc-list"> <li id="toc-물리적_성질" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#물리적_성질"> <div class="vector-toc-text"> <span class="vector-toc-numb">2.1</span> <span>물리적 성질</span> </div> </a> <ul id="toc-물리적_성질-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-사건의_지평선" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#사건의_지평선"> <div class="vector-toc-text"> <span class="vector-toc-numb">2.2</span> <span>사건의 지평선</span> </div> </a> <ul id="toc-사건의_지평선-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-특이점" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#특이점"> <div class="vector-toc-text"> <span class="vector-toc-numb">2.3</span> <span>특이점</span> </div> </a> <ul id="toc-특이점-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-광자구" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#광자구"> <div class="vector-toc-text"> <span class="vector-toc-numb">2.4</span> <span>광자구</span> </div> </a> <ul id="toc-광자구-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-작용권" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#작용권"> <div class="vector-toc-text"> <span class="vector-toc-numb">2.5</span> <span>작용권</span> </div> </a> <ul id="toc-작용권-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-최내곽_안정_원궤도" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#최내곽_안정_원궤도"> <div class="vector-toc-text"> <span class="vector-toc-numb">2.6</span> <span>최내곽 안정 원궤도</span> </div> </a> <ul id="toc-최내곽_안정_원궤도-sublist" class="vector-toc-list"> </ul> </li> </ul> </li> <li id="toc-형성과_진화" class="vector-toc-list-item vector-toc-level-1"> <a class="vector-toc-link" href="#형성과_진화"> <div class="vector-toc-text"> <span class="vector-toc-numb">3</span> <span>형성과 진화</span> </div> </a> <button aria-controls="toc-형성과_진화-sublist" class="cdx-button cdx-button--weight-quiet cdx-button--icon-only vector-toc-toggle"> <span class="vector-icon mw-ui-icon-wikimedia-expand"></span> <span>형성과 진화 하위섹션 토글하기</span> </button> <ul id="toc-형성과_진화-sublist" class="vector-toc-list"> <li id="toc-중력붕괴" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#중력붕괴"> <div class="vector-toc-text"> <span class="vector-toc-numb">3.1</span> <span>중력붕괴</span> </div> </a> <ul id="toc-중력붕괴-sublist" class="vector-toc-list"> <li id="toc-대폭발과_원시_블랙홀" class="vector-toc-list-item vector-toc-level-3"> <a class="vector-toc-link" href="#대폭발과_원시_블랙홀"> <div class="vector-toc-text"> <span class="vector-toc-numb">3.1.1</span> <span>대폭발과 원시 블랙홀</span> </div> </a> <ul id="toc-대폭발과_원시_블랙홀-sublist" class="vector-toc-list"> </ul> </li> </ul> </li> <li id="toc-고에너지_충돌" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#고에너지_충돌"> <div class="vector-toc-text"> <span class="vector-toc-numb">3.2</span> <span>고에너지 충돌</span> </div> </a> <ul id="toc-고에너지_충돌-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-블랙홀의_성장" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#블랙홀의_성장"> <div class="vector-toc-text"> <span class="vector-toc-numb">3.3</span> <span>블랙홀의 성장</span> </div> </a> <ul id="toc-블랙홀의_성장-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-블랙홀의_증발" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#블랙홀의_증발"> <div class="vector-toc-text"> <span class="vector-toc-numb">3.4</span> <span>블랙홀의 증발</span> </div> </a> <ul id="toc-블랙홀의_증발-sublist" class="vector-toc-list"> </ul> </li> </ul> </li> <li id="toc-관측적_증거" class="vector-toc-list-item vector-toc-level-1"> <a class="vector-toc-link" href="#관측적_증거"> <div class="vector-toc-text"> <span class="vector-toc-numb">4</span> <span>관측적 증거</span> </div> </a> <button aria-controls="toc-관측적_증거-sublist" class="cdx-button cdx-button--weight-quiet cdx-button--icon-only vector-toc-toggle"> <span class="vector-icon mw-ui-icon-wikimedia-expand"></span> <span>관측적 증거 하위섹션 토글하기</span> </button> <ul id="toc-관측적_증거-sublist" class="vector-toc-list"> <li id="toc-중력파_관측" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#중력파_관측"> <div class="vector-toc-text"> <span class="vector-toc-numb">4.1</span> <span>중력파 관측</span> </div> </a> <ul id="toc-중력파_관측-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-궁수자리_A*_공전_항성의_고유운동" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#궁수자리_A*_공전_항성의_고유운동"> <div class="vector-toc-text"> <span class="vector-toc-numb">4.2</span> <span>궁수자리 A* 공전 항성의 고유운동</span> </div> </a> <ul id="toc-궁수자리_A*_공전_항성의_고유운동-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-물질_강착" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#물질_강착"> <div class="vector-toc-text"> <span class="vector-toc-numb">4.3</span> <span>물질 강착</span> </div> </a> <ul id="toc-물질_강착-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-엑스선_쌍성계" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#엑스선_쌍성계"> <div class="vector-toc-text"> <span class="vector-toc-numb">4.4</span> <span>엑스선 쌍성계</span> </div> </a> <ul id="toc-엑스선_쌍성계-sublist" class="vector-toc-list"> <li id="toc-휴면기와_이류성_강착" class="vector-toc-list-item vector-toc-level-3"> <a class="vector-toc-link" href="#휴면기와_이류성_강착"> <div class="vector-toc-text"> <span class="vector-toc-numb">4.4.1</span> <span>휴면기와 이류성 강착</span> </div> </a> <ul id="toc-휴면기와_이류성_강착-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-준주기적_진동" class="vector-toc-list-item vector-toc-level-3"> <a class="vector-toc-link" href="#준주기적_진동"> <div class="vector-toc-text"> <span class="vector-toc-numb">4.4.2</span> <span>준주기적 진동</span> </div> </a> <ul id="toc-준주기적_진동-sublist" class="vector-toc-list"> </ul> </li> </ul> </li> <li id="toc-은하핵" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#은하핵"> <div class="vector-toc-text"> <span class="vector-toc-numb">4.5</span> <span>은하핵</span> </div> </a> <ul id="toc-은하핵-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-마이크로렌즈효과" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#마이크로렌즈효과"> <div class="vector-toc-text"> <span class="vector-toc-numb">4.6</span> <span>마이크로렌즈효과</span> </div> </a> <ul id="toc-마이크로렌즈효과-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-대안_가설들" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#대안_가설들"> <div class="vector-toc-text"> <span class="vector-toc-numb">4.7</span> <span>대안 가설들</span> </div> </a> <ul id="toc-대안_가설들-sublist" class="vector-toc-list"> </ul> </li> </ul> </li> <li id="toc-미해결_문제" class="vector-toc-list-item vector-toc-level-1"> <a class="vector-toc-link" href="#미해결_문제"> <div class="vector-toc-text"> <span class="vector-toc-numb">5</span> <span>미해결 문제</span> </div> </a> <button aria-controls="toc-미해결_문제-sublist" class="cdx-button cdx-button--weight-quiet cdx-button--icon-only vector-toc-toggle"> <span class="vector-icon mw-ui-icon-wikimedia-expand"></span> <span>미해결 문제 하위섹션 토글하기</span> </button> <ul id="toc-미해결_문제-sublist" class="vector-toc-list"> <li id="toc-엔트로피와_열역학" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#엔트로피와_열역학"> <div class="vector-toc-text"> <span class="vector-toc-numb">5.1</span> <span>엔트로피와 열역학</span> </div> </a> <ul id="toc-엔트로피와_열역학-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-정보소실_역설" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#정보소실_역설"> <div class="vector-toc-text"> <span class="vector-toc-numb">5.2</span> <span>정보소실 역설</span> </div> </a> <ul id="toc-정보소실_역설-sublist" class="vector-toc-list"> </ul> </li> </ul> </li> <li id="toc-같이_보기" class="vector-toc-list-item vector-toc-level-1"> <a class="vector-toc-link" href="#같이_보기"> <div class="vector-toc-text"> <span class="vector-toc-numb">6</span> <span>같이 보기</span> </div> </a> <ul id="toc-같이_보기-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-각주" class="vector-toc-list-item vector-toc-level-1"> <a class="vector-toc-link" href="#각주"> <div class="vector-toc-text"> <span class="vector-toc-numb">7</span> <span>각주</span> </div> </a> <ul id="toc-각주-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-참고_자료" class="vector-toc-list-item vector-toc-level-1"> <a class="vector-toc-link" href="#참고_자료"> <div class="vector-toc-text"> <span class="vector-toc-numb">8</span> <span>참고 자료</span> </div> </a> <ul id="toc-참고_자료-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-외부_링크" class="vector-toc-list-item vector-toc-level-1"> <a class="vector-toc-link" href="#외부_링크"> <div class="vector-toc-text"> <span class="vector-toc-numb">9</span> <span>외부 링크</span> </div> </a> <ul id="toc-외부_링크-sublist" class="vector-toc-list"> </ul> </li> </ul> </div> </div> </nav> </div> </div> <div class="mw-content-container"> <main id="content" class="mw-body"> <header class="mw-body-header vector-page-titlebar"> <nav aria-label="목차" class="vector-toc-landmark"> <div id="vector-page-titlebar-toc" class="vector-dropdown vector-page-titlebar-toc vector-button-flush-left" title="목차" > <input type="checkbox" id="vector-page-titlebar-toc-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-page-titlebar-toc" class="vector-dropdown-checkbox " aria-label="목차 토글" > <label id="vector-page-titlebar-toc-label" for="vector-page-titlebar-toc-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only " aria-hidden="true" ><span class="vector-icon mw-ui-icon-listBullet mw-ui-icon-wikimedia-listBullet"></span> <span class="vector-dropdown-label-text">목차 토글</span> </label> <div class="vector-dropdown-content"> <div id="vector-page-titlebar-toc-unpinned-container" class="vector-unpinned-container"> </div> </div> </div> </nav> <h1 id="firstHeading" class="firstHeading mw-first-heading"><span class="mw-page-title-main">블랙홀</span></h1> <div id="p-lang-btn" class="vector-dropdown mw-portlet mw-portlet-lang" > <input type="checkbox" id="p-lang-btn-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-p-lang-btn" class="vector-dropdown-checkbox mw-interlanguage-selector" aria-label="다른 언어로 문서를 방문합니다. 174개 언어로 읽을 수 있습니다" > <label id="p-lang-btn-label" for="p-lang-btn-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--action-progressive mw-portlet-lang-heading-174" aria-hidden="true" ><span class="vector-icon mw-ui-icon-language-progressive mw-ui-icon-wikimedia-language-progressive"></span> <span class="vector-dropdown-label-text">174개 언어</span> </label> <div class="vector-dropdown-content"> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="interlanguage-link interwiki-af mw-list-item"><a href="https://af.wikipedia.org/wiki/Swartkolk" title="Swartkolk – 아프리칸스어" lang="af" hreflang="af" data-title="Swartkolk" data-language-autonym="Afrikaans" data-language-local-name="아프리칸스어" class="interlanguage-link-target"><span>Afrikaans</span></a></li><li class="interlanguage-link interwiki-als mw-list-item"><a href="https://als.wikipedia.org/wiki/Schwarzes_Loch" title="Schwarzes Loch – 독일어(스위스)" lang="gsw" hreflang="gsw" data-title="Schwarzes Loch" data-language-autonym="Alemannisch" data-language-local-name="독일어(스위스)" class="interlanguage-link-target"><span>Alemannisch</span></a></li><li class="interlanguage-link interwiki-an mw-list-item"><a href="https://an.wikipedia.org/wiki/Forato_negro" title="Forato negro – 아라곤어" lang="an" hreflang="an" data-title="Forato negro" data-language-autonym="Aragonés" data-language-local-name="아라곤어" class="interlanguage-link-target"><span>Aragonés</span></a></li><li class="interlanguage-link interwiki-anp mw-list-item"><a href="https://anp.wikipedia.org/wiki/%E0%A4%95%E0%A5%83%E0%A4%B7%E0%A5%8D%E0%A4%A3_%E0%A4%B5%E0%A4%BF%E0%A4%B5%E0%A4%B0" title="कृष्ण विवर – 앙가어" lang="anp" hreflang="anp" data-title="कृष्ण विवर" data-language-autonym="अंगिका" data-language-local-name="앙가어" class="interlanguage-link-target"><span>अंगिका</span></a></li><li class="interlanguage-link interwiki-ar mw-list-item"><a href="https://ar.wikipedia.org/wiki/%D8%AB%D9%82%D8%A8_%D8%A3%D8%B3%D9%88%D8%AF" title="ثقب أسود – 아랍어" lang="ar" hreflang="ar" data-title="ثقب أسود" data-language-autonym="العربية" data-language-local-name="아랍어" class="interlanguage-link-target"><span>العربية</span></a></li><li class="interlanguage-link interwiki-ary mw-list-item"><a href="https://ary.wikipedia.org/wiki/%D9%85%D8%AD%D9%81%D8%B1_%D9%83%D8%AD%D9%84" title="محفر كحل – 모로코 아랍어" lang="ary" hreflang="ary" data-title="محفر كحل" data-language-autonym="الدارجة" data-language-local-name="모로코 아랍어" class="interlanguage-link-target"><span>الدارجة</span></a></li><li class="interlanguage-link interwiki-arz mw-list-item"><a href="https://arz.wikipedia.org/wiki/%D8%AB%D9%82%D8%A8_%D8%A3%D8%B3%D9%88%D8%AF" title="ثقب أسود – 이집트 아랍어" lang="arz" hreflang="arz" data-title="ثقب أسود" data-language-autonym="مصرى" data-language-local-name="이집트 아랍어" class="interlanguage-link-target"><span>مصرى</span></a></li><li class="interlanguage-link interwiki-as mw-list-item"><a href="https://as.wikipedia.org/wiki/%E0%A6%95%E0%A7%83%E0%A6%B7%E0%A7%8D%E0%A6%A3%E0%A6%97%E0%A6%B9%E0%A7%8D%E0%A6%AC%E0%A7%B0" title="কৃষ্ণগহ্বৰ – 아삼어" lang="as" hreflang="as" data-title="কৃষ্ণগহ্বৰ" data-language-autonym="অসমীয়া" data-language-local-name="아삼어" class="interlanguage-link-target"><span>অসমীয়া</span></a></li><li class="interlanguage-link interwiki-ast mw-list-item"><a href="https://ast.wikipedia.org/wiki/Furacu_negru" title="Furacu negru – 아스투리아어" lang="ast" hreflang="ast" data-title="Furacu negru" data-language-autonym="Asturianu" data-language-local-name="아스투리아어" class="interlanguage-link-target"><span>Asturianu</span></a></li><li class="interlanguage-link interwiki-az mw-list-item"><a href="https://az.wikipedia.org/wiki/Qara_d%C9%99lik" title="Qara dəlik – 아제르바이잔어" lang="az" hreflang="az" data-title="Qara dəlik" data-language-autonym="Azərbaycanca" data-language-local-name="아제르바이잔어" class="interlanguage-link-target"><span>Azərbaycanca</span></a></li><li class="interlanguage-link interwiki-azb mw-list-item"><a href="https://azb.wikipedia.org/wiki/%D9%82%D8%A7%D8%B1%D8%A7%D8%AF%D9%84%DB%8C%DA%A9" title="قارادلیک – South Azerbaijani" lang="azb" hreflang="azb" data-title="قارادلیک" data-language-autonym="تۆرکجه" data-language-local-name="South Azerbaijani" class="interlanguage-link-target"><span>تۆرکجه</span></a></li><li class="interlanguage-link interwiki-ba badge-Q17437796 badge-featuredarticle mw-list-item" title="알찬 글"><a href="https://ba.wikipedia.org/wiki/%D2%A0%D0%B0%D1%80%D0%B0_%D1%83%D0%BF%D2%A1%D1%8B%D0%BD" title="Ҡара упҡын – 바슈키르어" lang="ba" hreflang="ba" data-title="Ҡара упҡын" data-language-autonym="Башҡортса" data-language-local-name="바슈키르어" class="interlanguage-link-target"><span>Башҡортса</span></a></li><li class="interlanguage-link interwiki-bar mw-list-item"><a href="https://bar.wikipedia.org/wiki/Schwoaz_Loch" title="Schwoaz Loch – Bavarian" lang="bar" hreflang="bar" data-title="Schwoaz Loch" data-language-autonym="Boarisch" data-language-local-name="Bavarian" class="interlanguage-link-target"><span>Boarisch</span></a></li><li class="interlanguage-link interwiki-bat-smg mw-list-item"><a href="https://bat-smg.wikipedia.org/wiki/Jouduoj%C4%97_sk%C4%ABlie" title="Jouduojė skīlie – Samogitian" lang="sgs" hreflang="sgs" data-title="Jouduojė skīlie" data-language-autonym="Žemaitėška" data-language-local-name="Samogitian" class="interlanguage-link-target"><span>Žemaitėška</span></a></li><li class="interlanguage-link interwiki-bbc mw-list-item"><a href="https://bbc.wikipedia.org/wiki/Lubang_birong_sipabalga" title="Lubang birong sipabalga – Batak Toba" lang="bbc" hreflang="bbc" data-title="Lubang birong sipabalga" data-language-autonym="Batak Toba" data-language-local-name="Batak Toba" class="interlanguage-link-target"><span>Batak Toba</span></a></li><li class="interlanguage-link interwiki-bcl mw-list-item"><a href="https://bcl.wikipedia.org/wiki/Black_Hole" title="Black Hole – Central Bikol" lang="bcl" hreflang="bcl" data-title="Black Hole" data-language-autonym="Bikol Central" data-language-local-name="Central Bikol" class="interlanguage-link-target"><span>Bikol Central</span></a></li><li class="interlanguage-link interwiki-be mw-list-item"><a href="https://be.wikipedia.org/wiki/%D0%A7%D0%BE%D1%80%D0%BD%D0%B0%D1%8F_%D0%B4%D0%B7%D1%96%D1%80%D0%BA%D0%B0" title="Чорная дзірка – 벨라루스어" lang="be" hreflang="be" data-title="Чорная дзірка" data-language-autonym="Беларуская" data-language-local-name="벨라루스어" class="interlanguage-link-target"><span>Беларуская</span></a></li><li class="interlanguage-link interwiki-be-x-old mw-list-item"><a href="https://be-tarask.wikipedia.org/wiki/%D0%A7%D0%BE%D1%80%D0%BD%D0%B0%D1%8F_%D0%B4%D0%B7%D1%96%D1%80%D0%BA%D0%B0" title="Чорная дзірка – Belarusian (Taraškievica orthography)" lang="be-tarask" hreflang="be-tarask" data-title="Чорная дзірка" data-language-autonym="Беларуская (тарашкевіца)" data-language-local-name="Belarusian (Taraškievica orthography)" class="interlanguage-link-target"><span>Беларуская (тарашкевіца)</span></a></li><li class="interlanguage-link interwiki-bew mw-list-item"><a href="https://bew.wikipedia.org/wiki/Lobang_item" title="Lobang item – Betawi" lang="bew" hreflang="bew" data-title="Lobang item" data-language-autonym="Betawi" data-language-local-name="Betawi" class="interlanguage-link-target"><span>Betawi</span></a></li><li class="interlanguage-link interwiki-bg badge-Q17437796 badge-featuredarticle mw-list-item" title="알찬 글"><a href="https://bg.wikipedia.org/wiki/%D0%A7%D0%B5%D1%80%D0%BD%D0%B0_%D0%B4%D1%83%D0%BF%D0%BA%D0%B0" title="Черна дупка – 불가리아어" lang="bg" hreflang="bg" data-title="Черна дупка" data-language-autonym="Български" data-language-local-name="불가리아어" class="interlanguage-link-target"><span>Български</span></a></li><li class="interlanguage-link interwiki-bh mw-list-item"><a href="https://bh.wikipedia.org/wiki/%E0%A4%AC%E0%A5%8D%E0%A4%B2%E0%A5%88%E0%A4%95_%E0%A4%B9%E0%A5%8B%E0%A4%B2" title="ब्लैक होल – Bhojpuri" lang="bh" hreflang="bh" data-title="ब्लैक होल" data-language-autonym="भोजपुरी" data-language-local-name="Bhojpuri" class="interlanguage-link-target"><span>भोजपुरी</span></a></li><li class="interlanguage-link interwiki-bjn mw-list-item"><a href="https://bjn.wikipedia.org/wiki/Lubang_hirang" title="Lubang hirang – Banjar" lang="bjn" hreflang="bjn" data-title="Lubang hirang" data-language-autonym="Banjar" data-language-local-name="Banjar" class="interlanguage-link-target"><span>Banjar</span></a></li><li class="interlanguage-link interwiki-bn mw-list-item"><a href="https://bn.wikipedia.org/wiki/%E0%A6%95%E0%A7%83%E0%A6%B7%E0%A7%8D%E0%A6%A3%E0%A6%97%E0%A6%B9%E0%A7%8D%E0%A6%AC%E0%A6%B0" title="কৃষ্ণগহ্বর – 벵골어" lang="bn" hreflang="bn" data-title="কৃষ্ণগহ্বর" data-language-autonym="বাংলা" data-language-local-name="벵골어" class="interlanguage-link-target"><span>বাংলা</span></a></li><li class="interlanguage-link interwiki-bo mw-list-item"><a href="https://bo.wikipedia.org/wiki/%E0%BD%93%E0%BD%82%E0%BC%8B%E0%BD%81%E0%BD%B4%E0%BD%84%E0%BC%8B%E0%BC%8D" title="ནག་ཁུང་། – 티베트어" lang="bo" hreflang="bo" data-title="ནག་ཁུང་།" data-language-autonym="བོད་ཡིག" data-language-local-name="티베트어" class="interlanguage-link-target"><span>བོད་ཡིག</span></a></li><li class="interlanguage-link interwiki-br mw-list-item"><a href="https://br.wikipedia.org/wiki/Toull_du" title="Toull du – 브르타뉴어" lang="br" hreflang="br" data-title="Toull du" data-language-autonym="Brezhoneg" data-language-local-name="브르타뉴어" class="interlanguage-link-target"><span>Brezhoneg</span></a></li><li class="interlanguage-link interwiki-bs mw-list-item"><a href="https://bs.wikipedia.org/wiki/Crna_rupa" title="Crna rupa – 보스니아어" lang="bs" hreflang="bs" data-title="Crna rupa" data-language-autonym="Bosanski" data-language-local-name="보스니아어" class="interlanguage-link-target"><span>Bosanski</span></a></li><li class="interlanguage-link interwiki-bxr mw-list-item"><a href="https://bxr.wikipedia.org/wiki/%D0%A5%D0%B0%D1%80%D0%B0_%D0%BD%D2%AF%D1%85%D1%8D%D0%BD" title="Хара нүхэн – Russia Buriat" lang="bxr" hreflang="bxr" data-title="Хара нүхэн" data-language-autonym="Буряад" data-language-local-name="Russia Buriat" class="interlanguage-link-target"><span>Буряад</span></a></li><li class="interlanguage-link interwiki-ca mw-list-item"><a href="https://ca.wikipedia.org/wiki/Forat_negre" title="Forat negre – 카탈로니아어" lang="ca" hreflang="ca" data-title="Forat negre" data-language-autonym="Català" data-language-local-name="카탈로니아어" class="interlanguage-link-target"><span>Català</span></a></li><li class="interlanguage-link interwiki-ce mw-list-item"><a href="https://ce.wikipedia.org/wiki/%D3%80%D0%B0%D1%8C%D1%80%D0%B6%D0%B0_%D1%83%D0%BE%D1%80" title="Ӏаьржа уор – 체첸어" lang="ce" hreflang="ce" data-title="Ӏаьржа уор" data-language-autonym="Нохчийн" data-language-local-name="체첸어" class="interlanguage-link-target"><span>Нохчийн</span></a></li><li class="interlanguage-link interwiki-ckb mw-list-item"><a href="https://ckb.wikipedia.org/wiki/%DA%A9%D9%88%D9%86%DB%95%DA%95%DB%95%D8%B4" title="کونەڕەش – 소라니 쿠르드어" lang="ckb" hreflang="ckb" data-title="کونەڕەش" data-language-autonym="کوردی" data-language-local-name="소라니 쿠르드어" class="interlanguage-link-target"><span>کوردی</span></a></li><li class="interlanguage-link interwiki-co mw-list-item"><a href="https://co.wikipedia.org/wiki/Buccu_neru" title="Buccu neru – 코르시카어" lang="co" hreflang="co" data-title="Buccu neru" data-language-autonym="Corsu" data-language-local-name="코르시카어" class="interlanguage-link-target"><span>Corsu</span></a></li><li class="interlanguage-link interwiki-cs mw-list-item"><a href="https://cs.wikipedia.org/wiki/%C4%8Cern%C3%A1_d%C3%ADra" title="Černá díra – 체코어" lang="cs" hreflang="cs" data-title="Černá díra" data-language-autonym="Čeština" data-language-local-name="체코어" class="interlanguage-link-target"><span>Čeština</span></a></li><li class="interlanguage-link interwiki-csb mw-list-item"><a href="https://csb.wikipedia.org/wiki/Cz%C3%B4rn%C3%B4_dzura" title="Czôrnô dzura – 카슈비아어" lang="csb" hreflang="csb" data-title="Czôrnô dzura" data-language-autonym="Kaszëbsczi" data-language-local-name="카슈비아어" class="interlanguage-link-target"><span>Kaszëbsczi</span></a></li><li class="interlanguage-link interwiki-cv mw-list-item"><a href="https://cv.wikipedia.org/wiki/%D0%A5%D1%83%D1%80%D0%B0_%D1%85%C4%83%D0%B2%C4%83%D0%BB" title="Хура хăвăл – 추바시어" lang="cv" hreflang="cv" data-title="Хура хăвăл" data-language-autonym="Чӑвашла" data-language-local-name="추바시어" class="interlanguage-link-target"><span>Чӑвашла</span></a></li><li class="interlanguage-link interwiki-cy mw-list-item"><a href="https://cy.wikipedia.org/wiki/Twll_du" title="Twll du – 웨일스어" lang="cy" hreflang="cy" data-title="Twll du" data-language-autonym="Cymraeg" data-language-local-name="웨일스어" class="interlanguage-link-target"><span>Cymraeg</span></a></li><li class="interlanguage-link interwiki-da mw-list-item"><a href="https://da.wikipedia.org/wiki/Sort_hul" title="Sort hul – 덴마크어" lang="da" hreflang="da" data-title="Sort hul" data-language-autonym="Dansk" data-language-local-name="덴마크어" class="interlanguage-link-target"><span>Dansk</span></a></li><li class="interlanguage-link interwiki-de mw-list-item"><a href="https://de.wikipedia.org/wiki/Schwarzes_Loch" title="Schwarzes Loch – 독일어" lang="de" hreflang="de" data-title="Schwarzes Loch" data-language-autonym="Deutsch" data-language-local-name="독일어" class="interlanguage-link-target"><span>Deutsch</span></a></li><li class="interlanguage-link interwiki-el mw-list-item"><a href="https://el.wikipedia.org/wiki/%CE%9C%CE%B1%CF%8D%CF%81%CE%B7_%CF%84%CF%81%CF%8D%CF%80%CE%B1" title="Μαύρη τρύπα – 그리스어" lang="el" hreflang="el" data-title="Μαύρη τρύπα" data-language-autonym="Ελληνικά" data-language-local-name="그리스어" class="interlanguage-link-target"><span>Ελληνικά</span></a></li><li class="interlanguage-link interwiki-eml mw-list-item"><a href="https://eml.wikipedia.org/wiki/Bu%C5%9B_n%C3%A9gar" title="Buś négar – Emiliano-Romagnolo" lang="egl" hreflang="egl" data-title="Buś négar" data-language-autonym="Emiliàn e rumagnòl" data-language-local-name="Emiliano-Romagnolo" class="interlanguage-link-target"><span>Emiliàn e rumagnòl</span></a></li><li class="interlanguage-link interwiki-en badge-Q17437798 badge-goodarticle mw-list-item" title="좋은 글"><a href="https://en.wikipedia.org/wiki/Black_hole" title="Black hole – 영어" lang="en" hreflang="en" data-title="Black hole" data-language-autonym="English" data-language-local-name="영어" class="interlanguage-link-target"><span>English</span></a></li><li class="interlanguage-link interwiki-eo mw-list-item"><a href="https://eo.wikipedia.org/wiki/Nigra_truo" title="Nigra truo – 에스페란토어" lang="eo" hreflang="eo" data-title="Nigra truo" data-language-autonym="Esperanto" data-language-local-name="에스페란토어" class="interlanguage-link-target"><span>Esperanto</span></a></li><li class="interlanguage-link interwiki-es mw-list-item"><a href="https://es.wikipedia.org/wiki/Agujero_negro" title="Agujero negro – 스페인어" lang="es" hreflang="es" data-title="Agujero negro" data-language-autonym="Español" data-language-local-name="스페인어" class="interlanguage-link-target"><span>Español</span></a></li><li class="interlanguage-link interwiki-et mw-list-item"><a href="https://et.wikipedia.org/wiki/Must_auk" title="Must auk – 에스토니아어" lang="et" hreflang="et" data-title="Must auk" data-language-autonym="Eesti" data-language-local-name="에스토니아어" class="interlanguage-link-target"><span>Eesti</span></a></li><li class="interlanguage-link interwiki-eu mw-list-item"><a href="https://eu.wikipedia.org/wiki/Zulo_beltz" title="Zulo beltz – 바스크어" lang="eu" hreflang="eu" data-title="Zulo beltz" data-language-autonym="Euskara" data-language-local-name="바스크어" class="interlanguage-link-target"><span>Euskara</span></a></li><li class="interlanguage-link interwiki-fa mw-list-item"><a href="https://fa.wikipedia.org/wiki/%D8%B3%DB%8C%D8%A7%D9%87%E2%80%8C%DA%86%D8%A7%D9%84%D9%87" title="سیاهچاله – 페르시아어" lang="fa" hreflang="fa" data-title="سیاهچاله" data-language-autonym="فارسی" data-language-local-name="페르시아어" class="interlanguage-link-target"><span>فارسی</span></a></li><li class="interlanguage-link interwiki-fi mw-list-item"><a href="https://fi.wikipedia.org/wiki/Musta_aukko" title="Musta aukko – 핀란드어" lang="fi" hreflang="fi" data-title="Musta aukko" data-language-autonym="Suomi" data-language-local-name="핀란드어" class="interlanguage-link-target"><span>Suomi</span></a></li><li class="interlanguage-link interwiki-fo mw-list-item"><a href="https://fo.wikipedia.org/wiki/Sv%C3%B8rt_hol" title="Svørt hol – 페로어" lang="fo" hreflang="fo" data-title="Svørt hol" data-language-autonym="Føroyskt" data-language-local-name="페로어" class="interlanguage-link-target"><span>Føroyskt</span></a></li><li class="interlanguage-link interwiki-fr mw-list-item"><a href="https://fr.wikipedia.org/wiki/Trou_noir" title="Trou noir – 프랑스어" lang="fr" hreflang="fr" data-title="Trou noir" data-language-autonym="Français" data-language-local-name="프랑스어" class="interlanguage-link-target"><span>Français</span></a></li><li class="interlanguage-link interwiki-frr mw-list-item"><a href="https://frr.wikipedia.org/wiki/Suart_hool" title="Suart hool – 북부 프리지아어" lang="frr" hreflang="frr" data-title="Suart hool" data-language-autonym="Nordfriisk" data-language-local-name="북부 프리지아어" class="interlanguage-link-target"><span>Nordfriisk</span></a></li><li class="interlanguage-link interwiki-fy mw-list-item"><a href="https://fy.wikipedia.org/wiki/Swart_gat" title="Swart gat – 서부 프리지아어" lang="fy" hreflang="fy" data-title="Swart gat" data-language-autonym="Frysk" data-language-local-name="서부 프리지아어" class="interlanguage-link-target"><span>Frysk</span></a></li><li class="interlanguage-link interwiki-ga mw-list-item"><a href="https://ga.wikipedia.org/wiki/D%C3%BApholl" title="Dúpholl – 아일랜드어" lang="ga" hreflang="ga" data-title="Dúpholl" data-language-autonym="Gaeilge" data-language-local-name="아일랜드어" class="interlanguage-link-target"><span>Gaeilge</span></a></li><li class="interlanguage-link interwiki-gcr mw-list-item"><a href="https://gcr.wikipedia.org/wiki/Trou_nw%C3%A8" title="Trou nwè – Guianan Creole" lang="gcr" hreflang="gcr" data-title="Trou nwè" data-language-autonym="Kriyòl gwiyannen" data-language-local-name="Guianan Creole" class="interlanguage-link-target"><span>Kriyòl gwiyannen</span></a></li><li class="interlanguage-link interwiki-gd mw-list-item"><a href="https://gd.wikipedia.org/wiki/Toll_dubh" title="Toll dubh – 스코틀랜드 게일어" lang="gd" hreflang="gd" data-title="Toll dubh" data-language-autonym="Gàidhlig" data-language-local-name="스코틀랜드 게일어" class="interlanguage-link-target"><span>Gàidhlig</span></a></li><li class="interlanguage-link interwiki-gl mw-list-item"><a href="https://gl.wikipedia.org/wiki/Burato_negro" title="Burato negro – 갈리시아어" lang="gl" hreflang="gl" data-title="Burato negro" data-language-autonym="Galego" data-language-local-name="갈리시아어" class="interlanguage-link-target"><span>Galego</span></a></li><li class="interlanguage-link interwiki-gn mw-list-item"><a href="https://gn.wikipedia.org/wiki/Ku%C3%A1ra_h%C5%A9" title="Kuára hũ – 과라니어" lang="gn" hreflang="gn" data-title="Kuára hũ" data-language-autonym="Avañe'ẽ" data-language-local-name="과라니어" class="interlanguage-link-target"><span>Avañe'ẽ</span></a></li><li class="interlanguage-link interwiki-got mw-list-item"><a href="https://got.wikipedia.org/wiki/%F0%90%8D%83%F0%90%8D%85%F0%90%8C%B0%F0%90%8D%82%F0%90%8D%84%F0%90%8C%B0_%F0%90%8C%B8%F0%90%8C%B0%F0%90%8C%B9%F0%90%8D%82%F0%90%8C%BA%F0%90%8D%89" title="𐍃𐍅𐌰𐍂𐍄𐌰 𐌸𐌰𐌹𐍂𐌺𐍉 – 고트어" lang="got" hreflang="got" data-title="𐍃𐍅𐌰𐍂𐍄𐌰 𐌸𐌰𐌹𐍂𐌺𐍉" data-language-autonym="𐌲𐌿𐍄𐌹𐍃𐌺" data-language-local-name="고트어" class="interlanguage-link-target"><span>𐌲𐌿𐍄𐌹𐍃𐌺</span></a></li><li class="interlanguage-link interwiki-gu mw-list-item"><a href="https://gu.wikipedia.org/wiki/%E0%AA%95%E0%AB%83%E0%AA%B7%E0%AB%8D%E0%AA%A3_%E0%AA%B5%E0%AA%BF%E0%AA%B5%E0%AA%B0" title="કૃષ્ણ વિવર – 구자라트어" lang="gu" hreflang="gu" data-title="કૃષ્ણ વિવર" data-language-autonym="ગુજરાતી" data-language-local-name="구자라트어" class="interlanguage-link-target"><span>ગુજરાતી</span></a></li><li class="interlanguage-link interwiki-gv mw-list-item"><a href="https://gv.wikipedia.org/wiki/Towl_doo" title="Towl doo – 맹크스어" lang="gv" hreflang="gv" data-title="Towl doo" data-language-autonym="Gaelg" data-language-local-name="맹크스어" class="interlanguage-link-target"><span>Gaelg</span></a></li><li class="interlanguage-link interwiki-ha mw-list-item"><a href="https://ha.wikipedia.org/wiki/Mutuwaren_Taurari" title="Mutuwaren Taurari – 하우사어" lang="ha" hreflang="ha" data-title="Mutuwaren Taurari" data-language-autonym="Hausa" data-language-local-name="하우사어" class="interlanguage-link-target"><span>Hausa</span></a></li><li class="interlanguage-link interwiki-he badge-Q17437796 badge-featuredarticle mw-list-item" title="알찬 글"><a href="https://he.wikipedia.org/wiki/%D7%97%D7%95%D7%A8_%D7%A9%D7%97%D7%95%D7%A8" title="חור שחור – 히브리어" lang="he" hreflang="he" data-title="חור שחור" data-language-autonym="עברית" data-language-local-name="히브리어" class="interlanguage-link-target"><span>עברית</span></a></li><li class="interlanguage-link interwiki-hi mw-list-item"><a href="https://hi.wikipedia.org/wiki/%E0%A4%95%E0%A5%83%E0%A4%B7%E0%A5%8D%E0%A4%A3_%E0%A4%B5%E0%A4%BF%E0%A4%B5%E0%A4%B0" title="कृष्ण विवर – 힌디어" lang="hi" hreflang="hi" data-title="कृष्ण विवर" data-language-autonym="हिन्दी" data-language-local-name="힌디어" class="interlanguage-link-target"><span>हिन्दी</span></a></li><li class="interlanguage-link interwiki-hif mw-list-item"><a href="https://hif.wikipedia.org/wiki/Karia_kund" title="Karia kund – 피지 힌디어" lang="hif" hreflang="hif" data-title="Karia kund" data-language-autonym="Fiji Hindi" data-language-local-name="피지 힌디어" class="interlanguage-link-target"><span>Fiji Hindi</span></a></li><li class="interlanguage-link interwiki-hr mw-list-item"><a href="https://hr.wikipedia.org/wiki/Crna_rupa" title="Crna rupa – 크로아티아어" lang="hr" hreflang="hr" data-title="Crna rupa" data-language-autonym="Hrvatski" data-language-local-name="크로아티아어" class="interlanguage-link-target"><span>Hrvatski</span></a></li><li class="interlanguage-link interwiki-hsb mw-list-item"><a href="https://hsb.wikipedia.org/wiki/%C4%8Corna_d%C5%BA%C4%9Bra" title="Čorna dźěra – 고지 소르비아어" lang="hsb" hreflang="hsb" data-title="Čorna dźěra" data-language-autonym="Hornjoserbsce" data-language-local-name="고지 소르비아어" class="interlanguage-link-target"><span>Hornjoserbsce</span></a></li><li class="interlanguage-link interwiki-ht mw-list-item"><a href="https://ht.wikipedia.org/wiki/Twou_nwa" title="Twou nwa – 아이티어" lang="ht" hreflang="ht" data-title="Twou nwa" data-language-autonym="Kreyòl ayisyen" data-language-local-name="아이티어" class="interlanguage-link-target"><span>Kreyòl ayisyen</span></a></li><li class="interlanguage-link interwiki-hu mw-list-item"><a href="https://hu.wikipedia.org/wiki/Fekete_lyuk" title="Fekete lyuk – 헝가리어" lang="hu" hreflang="hu" data-title="Fekete lyuk" data-language-autonym="Magyar" data-language-local-name="헝가리어" class="interlanguage-link-target"><span>Magyar</span></a></li><li class="interlanguage-link interwiki-hy mw-list-item"><a href="https://hy.wikipedia.org/wiki/%D5%8D%D6%87_%D5%AD%D5%B8%D5%BC%D5%B8%D5%B9" title="Սև խոռոչ – 아르메니아어" lang="hy" hreflang="hy" data-title="Սև խոռոչ" data-language-autonym="Հայերեն" data-language-local-name="아르메니아어" class="interlanguage-link-target"><span>Հայերեն</span></a></li><li class="interlanguage-link interwiki-hyw mw-list-item"><a href="https://hyw.wikipedia.org/wiki/%D5%8D%D5%A5%D6%82_%D5%AD%D5%B8%D5%BC%D5%B8%D5%B9" title="Սեւ խոռոչ – Western Armenian" lang="hyw" hreflang="hyw" data-title="Սեւ խոռոչ" data-language-autonym="Արեւմտահայերէն" data-language-local-name="Western Armenian" class="interlanguage-link-target"><span>Արեւմտահայերէն</span></a></li><li class="interlanguage-link interwiki-ia mw-list-item"><a href="https://ia.wikipedia.org/wiki/Foramine_nigre" title="Foramine nigre – 인터링구아" lang="ia" hreflang="ia" data-title="Foramine nigre" data-language-autonym="Interlingua" data-language-local-name="인터링구아" class="interlanguage-link-target"><span>Interlingua</span></a></li><li class="interlanguage-link interwiki-id mw-list-item"><a href="https://id.wikipedia.org/wiki/Lubang_hitam" title="Lubang hitam – 인도네시아어" lang="id" hreflang="id" data-title="Lubang hitam" data-language-autonym="Bahasa Indonesia" data-language-local-name="인도네시아어" class="interlanguage-link-target"><span>Bahasa Indonesia</span></a></li><li class="interlanguage-link interwiki-ie mw-list-item"><a href="https://ie.wikipedia.org/wiki/Nigri_fore" title="Nigri fore – 인테르링구에" lang="ie" hreflang="ie" data-title="Nigri fore" data-language-autonym="Interlingue" data-language-local-name="인테르링구에" class="interlanguage-link-target"><span>Interlingue</span></a></li><li class="interlanguage-link interwiki-ig mw-list-item"><a href="https://ig.wikipedia.org/wiki/Oghere_ojii" title="Oghere ojii – 이그보어" lang="ig" hreflang="ig" data-title="Oghere ojii" data-language-autonym="Igbo" data-language-local-name="이그보어" class="interlanguage-link-target"><span>Igbo</span></a></li><li class="interlanguage-link interwiki-ik mw-list-item"><a href="https://ik.wikipedia.org/wiki/Putu_Taaqtaaq" title="Putu Taaqtaaq – 이누피아크어" lang="ik" hreflang="ik" data-title="Putu Taaqtaaq" data-language-autonym="Iñupiatun" data-language-local-name="이누피아크어" class="interlanguage-link-target"><span>Iñupiatun</span></a></li><li class="interlanguage-link interwiki-ilo mw-list-item"><a href="https://ilo.wikipedia.org/wiki/Nangisit_nga_abut" title="Nangisit nga abut – 이로코어" lang="ilo" hreflang="ilo" data-title="Nangisit nga abut" data-language-autonym="Ilokano" data-language-local-name="이로코어" class="interlanguage-link-target"><span>Ilokano</span></a></li><li class="interlanguage-link interwiki-io mw-list-item"><a href="https://io.wikipedia.org/wiki/Nigra_truo" title="Nigra truo – 이도어" lang="io" hreflang="io" data-title="Nigra truo" data-language-autonym="Ido" data-language-local-name="이도어" class="interlanguage-link-target"><span>Ido</span></a></li><li class="interlanguage-link interwiki-is mw-list-item"><a href="https://is.wikipedia.org/wiki/Svarthol" title="Svarthol – 아이슬란드어" lang="is" hreflang="is" data-title="Svarthol" data-language-autonym="Íslenska" data-language-local-name="아이슬란드어" class="interlanguage-link-target"><span>Íslenska</span></a></li><li class="interlanguage-link interwiki-it mw-list-item"><a href="https://it.wikipedia.org/wiki/Buco_nero" title="Buco nero – 이탈리아어" lang="it" hreflang="it" data-title="Buco nero" data-language-autonym="Italiano" data-language-local-name="이탈리아어" class="interlanguage-link-target"><span>Italiano</span></a></li><li class="interlanguage-link interwiki-ja mw-list-item"><a href="https://ja.wikipedia.org/wiki/%E3%83%96%E3%83%A9%E3%83%83%E3%82%AF%E3%83%9B%E3%83%BC%E3%83%AB" title="ブラックホール – 일본어" lang="ja" hreflang="ja" data-title="ブラックホール" data-language-autonym="日本語" data-language-local-name="일본어" class="interlanguage-link-target"><span>日本語</span></a></li><li class="interlanguage-link interwiki-jv mw-list-item"><a href="https://jv.wikipedia.org/wiki/Luwang_ireng" title="Luwang ireng – 자바어" lang="jv" hreflang="jv" data-title="Luwang ireng" data-language-autonym="Jawa" data-language-local-name="자바어" class="interlanguage-link-target"><span>Jawa</span></a></li><li class="interlanguage-link interwiki-ka mw-list-item"><a href="https://ka.wikipedia.org/wiki/%E1%83%A8%E1%83%90%E1%83%95%E1%83%98_%E1%83%AE%E1%83%95%E1%83%A0%E1%83%94%E1%83%9A%E1%83%98" title="შავი ხვრელი – 조지아어" lang="ka" hreflang="ka" data-title="შავი ხვრელი" data-language-autonym="ქართული" data-language-local-name="조지아어" class="interlanguage-link-target"><span>ქართული</span></a></li><li class="interlanguage-link interwiki-kk badge-Q17437796 badge-featuredarticle mw-list-item" title="알찬 글"><a href="https://kk.wikipedia.org/wiki/%D2%9A%D0%B0%D1%80%D0%B0_%D2%9B%D2%B1%D1%80%D0%B4%D1%8B%D0%BC" title="Қара құрдым – 카자흐어" lang="kk" hreflang="kk" data-title="Қара құрдым" data-language-autonym="Қазақша" data-language-local-name="카자흐어" class="interlanguage-link-target"><span>Қазақша</span></a></li><li class="interlanguage-link interwiki-kn mw-list-item"><a href="https://kn.wikipedia.org/wiki/%E0%B2%95%E0%B2%AA%E0%B3%8D%E0%B2%AA%E0%B3%81_%E0%B2%95%E0%B3%81%E0%B2%B3%E0%B2%BF" title="ಕಪ್ಪು ಕುಳಿ – 칸나다어" lang="kn" hreflang="kn" data-title="ಕಪ್ಪು ಕುಳಿ" data-language-autonym="ಕನ್ನಡ" data-language-local-name="칸나다어" class="interlanguage-link-target"><span>ಕನ್ನಡ</span></a></li><li class="interlanguage-link interwiki-krc mw-list-item"><a href="https://krc.wikipedia.org/wiki/%D0%9A%D1%8A%D0%B0%D1%80%D0%B0_%D1%82%D0%B5%D1%88%D0%B8%D0%BA" title="Къара тешик – 카라챠이-발카르어" lang="krc" hreflang="krc" data-title="Къара тешик" data-language-autonym="Къарачай-малкъар" data-language-local-name="카라챠이-발카르어" class="interlanguage-link-target"><span>Къарачай-малкъар</span></a></li><li class="interlanguage-link interwiki-ks mw-list-item"><a href="https://ks.wikipedia.org/wiki/%DA%A9%D8%B1%D9%9B%DB%81%D9%8F%D9%86_%DA%86%D8%A7%DB%81" title="کرٛہُن چاہ – 카슈미르어" lang="ks" hreflang="ks" data-title="کرٛہُن چاہ" data-language-autonym="कॉशुर / کٲشُر" data-language-local-name="카슈미르어" class="interlanguage-link-target"><span>कॉशुर / کٲشُر</span></a></li><li class="interlanguage-link interwiki-ku mw-list-item"><a href="https://ku.wikipedia.org/wiki/%C3%87ala_Re%C5%9F" title="Çala Reş – 쿠르드어" lang="ku" hreflang="ku" data-title="Çala Reş" data-language-autonym="Kurdî" data-language-local-name="쿠르드어" class="interlanguage-link-target"><span>Kurdî</span></a></li><li class="interlanguage-link interwiki-kw mw-list-item"><a href="https://kw.wikipedia.org/wiki/Toll_du" title="Toll du – 콘월어" lang="kw" hreflang="kw" data-title="Toll du" data-language-autonym="Kernowek" data-language-local-name="콘월어" class="interlanguage-link-target"><span>Kernowek</span></a></li><li class="interlanguage-link interwiki-ky mw-list-item"><a href="https://ky.wikipedia.org/wiki/%D0%9A%D0%B0%D1%80%D0%B0_%D0%BA%D3%A9%D2%A3%D0%B4%D3%A9%D0%B9" title="Кара көңдөй – 키르기스어" lang="ky" hreflang="ky" data-title="Кара көңдөй" data-language-autonym="Кыргызча" data-language-local-name="키르기스어" class="interlanguage-link-target"><span>Кыргызча</span></a></li><li class="interlanguage-link interwiki-la mw-list-item"><a href="https://la.wikipedia.org/wiki/Foramen_nigrum" title="Foramen nigrum – 라틴어" lang="la" hreflang="la" data-title="Foramen nigrum" data-language-autonym="Latina" data-language-local-name="라틴어" class="interlanguage-link-target"><span>Latina</span></a></li><li class="interlanguage-link interwiki-lb mw-list-item"><a href="https://lb.wikipedia.org/wiki/Schwaarzt_Lach" title="Schwaarzt Lach – 룩셈부르크어" lang="lb" hreflang="lb" data-title="Schwaarzt Lach" data-language-autonym="Lëtzebuergesch" data-language-local-name="룩셈부르크어" class="interlanguage-link-target"><span>Lëtzebuergesch</span></a></li><li class="interlanguage-link interwiki-lez mw-list-item"><a href="https://lez.wikipedia.org/wiki/%D0%A7%D3%80%D1%83%D0%BB%D0%B0%D0%B2_%D1%82%D3%80%D0%B5%D0%BA%D0%B2%D0%B5%D0%BD" title="ЧӀулав тӀеквен – 레즈기안어" lang="lez" hreflang="lez" data-title="ЧӀулав тӀеквен" data-language-autonym="Лезги" data-language-local-name="레즈기안어" class="interlanguage-link-target"><span>Лезги</span></a></li><li class="interlanguage-link interwiki-lfn mw-list-item"><a href="https://lfn.wikipedia.org/wiki/Buco_negra" title="Buco negra – 링구아 프랑카 노바" lang="lfn" hreflang="lfn" data-title="Buco negra" data-language-autonym="Lingua Franca Nova" data-language-local-name="링구아 프랑카 노바" class="interlanguage-link-target"><span>Lingua Franca Nova</span></a></li><li class="interlanguage-link interwiki-li mw-list-item"><a href="https://li.wikipedia.org/wiki/Zwart_laok" title="Zwart laok – 림버거어" lang="li" hreflang="li" data-title="Zwart laok" data-language-autonym="Limburgs" data-language-local-name="림버거어" class="interlanguage-link-target"><span>Limburgs</span></a></li><li class="interlanguage-link interwiki-lld mw-list-item"><a href="https://lld.wikipedia.org/wiki/B%C3%BCsc_fosch" title="Büsc fosch – Ladin" lang="lld" hreflang="lld" data-title="Büsc fosch" data-language-autonym="Ladin" data-language-local-name="Ladin" class="interlanguage-link-target"><span>Ladin</span></a></li><li class="interlanguage-link interwiki-lmo mw-list-item"><a href="https://lmo.wikipedia.org/wiki/Bux_neger" title="Bux neger – 롬바르드어" lang="lmo" hreflang="lmo" data-title="Bux neger" data-language-autonym="Lombard" data-language-local-name="롬바르드어" class="interlanguage-link-target"><span>Lombard</span></a></li><li class="interlanguage-link interwiki-lo mw-list-item"><a href="https://lo.wikipedia.org/wiki/%E0%BA%82%E0%BA%B8%E0%BA%A1%E0%BA%94%E0%BA%B3" title="ຂຸມດຳ – 라오어" lang="lo" hreflang="lo" data-title="ຂຸມດຳ" data-language-autonym="ລາວ" data-language-local-name="라오어" class="interlanguage-link-target"><span>ລາວ</span></a></li><li class="interlanguage-link interwiki-lt mw-list-item"><a href="https://lt.wikipedia.org/wiki/Juodoji_bedugn%C4%97" title="Juodoji bedugnė – 리투아니아어" lang="lt" hreflang="lt" data-title="Juodoji bedugnė" data-language-autonym="Lietuvių" data-language-local-name="리투아니아어" class="interlanguage-link-target"><span>Lietuvių</span></a></li><li class="interlanguage-link interwiki-lv badge-Q17437798 badge-goodarticle mw-list-item" title="좋은 글"><a href="https://lv.wikipedia.org/wiki/Melnais_caurums" title="Melnais caurums – 라트비아어" lang="lv" hreflang="lv" data-title="Melnais caurums" data-language-autonym="Latviešu" data-language-local-name="라트비아어" class="interlanguage-link-target"><span>Latviešu</span></a></li><li class="interlanguage-link interwiki-mg mw-list-item"><a href="https://mg.wikipedia.org/wiki/Lavaka_mainty" title="Lavaka mainty – 말라가시어" lang="mg" hreflang="mg" data-title="Lavaka mainty" data-language-autonym="Malagasy" data-language-local-name="말라가시어" class="interlanguage-link-target"><span>Malagasy</span></a></li><li class="interlanguage-link interwiki-min mw-list-item"><a href="https://min.wikipedia.org/wiki/Lubang_itam" title="Lubang itam – 미낭카바우어" lang="min" hreflang="min" data-title="Lubang itam" data-language-autonym="Minangkabau" data-language-local-name="미낭카바우어" class="interlanguage-link-target"><span>Minangkabau</span></a></li><li class="interlanguage-link interwiki-mk mw-list-item"><a href="https://mk.wikipedia.org/wiki/%D0%A6%D1%80%D0%BD%D0%B0_%D0%B4%D1%83%D0%BF%D0%BA%D0%B0" title="Црна дупка – 마케도니아어" lang="mk" hreflang="mk" data-title="Црна дупка" data-language-autonym="Македонски" data-language-local-name="마케도니아어" class="interlanguage-link-target"><span>Македонски</span></a></li><li class="interlanguage-link interwiki-ml badge-Q17437796 badge-featuredarticle mw-list-item" title="알찬 글"><a href="https://ml.wikipedia.org/wiki/%E0%B4%A4%E0%B4%AE%E0%B5%8B%E0%B4%A6%E0%B5%8D%E0%B4%B5%E0%B4%BE%E0%B4%B0%E0%B4%82" title="തമോദ്വാരം – 말라얄람어" lang="ml" hreflang="ml" data-title="തമോദ്വാരം" data-language-autonym="മലയാളം" data-language-local-name="말라얄람어" class="interlanguage-link-target"><span>മലയാളം</span></a></li><li class="interlanguage-link interwiki-mn mw-list-item"><a href="https://mn.wikipedia.org/wiki/%D0%A5%D0%B0%D1%80_%D0%BD%D2%AF%D1%85" title="Хар нүх – 몽골어" lang="mn" hreflang="mn" data-title="Хар нүх" data-language-autonym="Монгол" data-language-local-name="몽골어" class="interlanguage-link-target"><span>Монгол</span></a></li><li class="interlanguage-link interwiki-mnw mw-list-item"><a href="https://mnw.wikipedia.org/wiki/%E1%80%80%E1%80%90%E1%80%AD%E1%80%AF%E1%80%84%E1%80%BA%E1%80%9C%E1%80%99%E1%80%B9%E1%80%85%E1%80%B6%E1%80%80%E1%80%BA" title="ကတိုင်လမ္စံက် – Mon" lang="mnw" hreflang="mnw" data-title="ကတိုင်လမ္စံက်" data-language-autonym="ဘာသာမန်" data-language-local-name="Mon" class="interlanguage-link-target"><span>ဘာသာမန်</span></a></li><li class="interlanguage-link interwiki-mr mw-list-item"><a href="https://mr.wikipedia.org/wiki/%E0%A4%95%E0%A5%83%E0%A4%B7%E0%A5%8D%E0%A4%A3%E0%A4%B5%E0%A4%BF%E0%A4%B5%E0%A4%B0" title="कृष्णविवर – 마라티어" lang="mr" hreflang="mr" data-title="कृष्णविवर" data-language-autonym="मराठी" data-language-local-name="마라티어" class="interlanguage-link-target"><span>मराठी</span></a></li><li class="interlanguage-link interwiki-ms mw-list-item"><a href="https://ms.wikipedia.org/wiki/Lohong_hitam" title="Lohong hitam – 말레이어" lang="ms" hreflang="ms" data-title="Lohong hitam" data-language-autonym="Bahasa Melayu" data-language-local-name="말레이어" class="interlanguage-link-target"><span>Bahasa Melayu</span></a></li><li class="interlanguage-link interwiki-mt mw-list-item"><a href="https://mt.wikipedia.org/wiki/Toqba_sewda" title="Toqba sewda – 몰타어" lang="mt" hreflang="mt" data-title="Toqba sewda" data-language-autonym="Malti" data-language-local-name="몰타어" class="interlanguage-link-target"><span>Malti</span></a></li><li class="interlanguage-link interwiki-my mw-list-item"><a href="https://my.wikipedia.org/wiki/%E1%80%90%E1%80%BD%E1%80%84%E1%80%BA%E1%80%B8%E1%80%94%E1%80%80%E1%80%BA" title="တွင်းနက် – 버마어" lang="my" hreflang="my" data-title="တွင်းနက်" data-language-autonym="မြန်မာဘာသာ" data-language-local-name="버마어" class="interlanguage-link-target"><span>မြန်မာဘာသာ</span></a></li><li class="interlanguage-link interwiki-nds mw-list-item"><a href="https://nds.wikipedia.org/wiki/Swart_Lock" title="Swart Lock – 저지 독일어" lang="nds" hreflang="nds" data-title="Swart Lock" data-language-autonym="Plattdüütsch" data-language-local-name="저지 독일어" class="interlanguage-link-target"><span>Plattdüütsch</span></a></li><li class="interlanguage-link interwiki-ne mw-list-item"><a href="https://ne.wikipedia.org/wiki/%E0%A4%95%E0%A5%83%E0%A4%B7%E0%A5%8D%E0%A4%A3_%E0%A4%9B%E0%A4%BF%E0%A4%A6%E0%A5%8D%E0%A4%B0" title="कृष्ण छिद्र – 네팔어" lang="ne" hreflang="ne" data-title="कृष्ण छिद्र" data-language-autonym="नेपाली" data-language-local-name="네팔어" class="interlanguage-link-target"><span>नेपाली</span></a></li><li class="interlanguage-link interwiki-new mw-list-item"><a href="https://new.wikipedia.org/wiki/%E0%A4%AC%E0%A5%8D%E0%A4%B2%E0%A5%8D%E0%A4%AF%E0%A4%BE%E0%A4%95_%E0%A4%B9%E0%A5%8B%E0%A4%B2" title="ब्ल्याक होल – 네와르어" lang="new" hreflang="new" data-title="ब्ल्याक होल" data-language-autonym="नेपाल भाषा" data-language-local-name="네와르어" class="interlanguage-link-target"><span>नेपाल भाषा</span></a></li><li class="interlanguage-link interwiki-nl mw-list-item"><a href="https://nl.wikipedia.org/wiki/Zwart_gat" title="Zwart gat – 네덜란드어" lang="nl" hreflang="nl" data-title="Zwart gat" data-language-autonym="Nederlands" data-language-local-name="네덜란드어" class="interlanguage-link-target"><span>Nederlands</span></a></li><li class="interlanguage-link interwiki-nn mw-list-item"><a href="https://nn.wikipedia.org/wiki/Svart_h%C3%B2l" title="Svart hòl – 노르웨이어(니노르스크)" lang="nn" hreflang="nn" data-title="Svart hòl" data-language-autonym="Norsk nynorsk" data-language-local-name="노르웨이어(니노르스크)" class="interlanguage-link-target"><span>Norsk nynorsk</span></a></li><li class="interlanguage-link interwiki-no mw-list-item"><a href="https://no.wikipedia.org/wiki/Sort_hull" title="Sort hull – 노르웨이어(보크말)" lang="nb" hreflang="nb" data-title="Sort hull" data-language-autonym="Norsk bokmål" data-language-local-name="노르웨이어(보크말)" class="interlanguage-link-target"><span>Norsk bokmål</span></a></li><li class="interlanguage-link interwiki-nov mw-list-item"><a href="https://nov.wikipedia.org/wiki/Nigri_true" title="Nigri true – Novial" lang="nov" hreflang="nov" data-title="Nigri true" data-language-autonym="Novial" data-language-local-name="Novial" class="interlanguage-link-target"><span>Novial</span></a></li><li class="interlanguage-link interwiki-oc badge-Q17437798 badge-goodarticle mw-list-item" title="좋은 글"><a href="https://oc.wikipedia.org/wiki/Trauc_negre" title="Trauc negre – 오크어" lang="oc" hreflang="oc" data-title="Trauc negre" data-language-autonym="Occitan" data-language-local-name="오크어" class="interlanguage-link-target"><span>Occitan</span></a></li><li class="interlanguage-link interwiki-olo mw-list-item"><a href="https://olo.wikipedia.org/wiki/Mustu_loukko" title="Mustu loukko – Livvi-Karelian" lang="olo" hreflang="olo" data-title="Mustu loukko" data-language-autonym="Livvinkarjala" data-language-local-name="Livvi-Karelian" class="interlanguage-link-target"><span>Livvinkarjala</span></a></li><li class="interlanguage-link interwiki-om mw-list-item"><a href="https://om.wikipedia.org/wiki/Holqa_gurraacha" title="Holqa gurraacha – 오로모어" lang="om" hreflang="om" data-title="Holqa gurraacha" data-language-autonym="Oromoo" data-language-local-name="오로모어" class="interlanguage-link-target"><span>Oromoo</span></a></li><li class="interlanguage-link interwiki-or mw-list-item"><a href="https://or.wikipedia.org/wiki/%E0%AC%95%E0%AD%83%E0%AC%B7%E0%AD%8D%E0%AC%A3%E0%AC%97%E0%AC%B0%E0%AD%8D%E0%AC%A4%E0%AD%8D%E0%AC%A4" title="କୃଷ୍ଣଗର୍ତ୍ତ – 오리야어" lang="or" hreflang="or" data-title="କୃଷ୍ଣଗର୍ତ୍ତ" data-language-autonym="ଓଡ଼ିଆ" data-language-local-name="오리야어" class="interlanguage-link-target"><span>ଓଡ଼ିଆ</span></a></li><li class="interlanguage-link interwiki-pa mw-list-item"><a href="https://pa.wikipedia.org/wiki/%E0%A8%AC%E0%A8%B2%E0%A9%88%E0%A8%95_%E0%A8%B9%E0%A9%8B%E0%A8%B2" title="ਬਲੈਕ ਹੋਲ – 펀잡어" lang="pa" hreflang="pa" data-title="ਬਲੈਕ ਹੋਲ" data-language-autonym="ਪੰਜਾਬੀ" data-language-local-name="펀잡어" class="interlanguage-link-target"><span>ਪੰਜਾਬੀ</span></a></li><li class="interlanguage-link interwiki-pcd mw-list-item"><a href="https://pcd.wikipedia.org/wiki/No%C3%A9rt_treu" title="Noért treu – Picard" lang="pcd" hreflang="pcd" data-title="Noért treu" data-language-autonym="Picard" data-language-local-name="Picard" class="interlanguage-link-target"><span>Picard</span></a></li><li class="interlanguage-link interwiki-pfl mw-list-item"><a href="https://pfl.wikipedia.org/wiki/Schwarzes_Loch" title="Schwarzes Loch – Palatine German" lang="pfl" hreflang="pfl" data-title="Schwarzes Loch" data-language-autonym="Pälzisch" data-language-local-name="Palatine German" class="interlanguage-link-target"><span>Pälzisch</span></a></li><li class="interlanguage-link interwiki-pl mw-list-item"><a href="https://pl.wikipedia.org/wiki/Czarna_dziura" title="Czarna dziura – 폴란드어" lang="pl" hreflang="pl" data-title="Czarna dziura" data-language-autonym="Polski" data-language-local-name="폴란드어" class="interlanguage-link-target"><span>Polski</span></a></li><li class="interlanguage-link interwiki-pms mw-list-item"><a href="https://pms.wikipedia.org/wiki/P%C3%ABrtus_n%C3%A8ir" title="Përtus nèir – Piedmontese" lang="pms" hreflang="pms" data-title="Përtus nèir" data-language-autonym="Piemontèis" data-language-local-name="Piedmontese" class="interlanguage-link-target"><span>Piemontèis</span></a></li><li class="interlanguage-link interwiki-pnb mw-list-item"><a href="https://pnb.wikipedia.org/wiki/%D8%A8%D9%84%DB%8C%DA%A9_%DB%81%D9%88%D9%84" title="بلیک ہول – Western Punjabi" lang="pnb" hreflang="pnb" data-title="بلیک ہول" data-language-autonym="پنجابی" data-language-local-name="Western Punjabi" class="interlanguage-link-target"><span>پنجابی</span></a></li><li class="interlanguage-link interwiki-ps mw-list-item"><a href="https://ps.wikipedia.org/wiki/%D8%AA%D9%88%D8%B1_%D8%BA%D8%A7%D8%B1" title="تور غار – 파슈토어" lang="ps" hreflang="ps" data-title="تور غار" data-language-autonym="پښتو" data-language-local-name="파슈토어" class="interlanguage-link-target"><span>پښتو</span></a></li><li class="interlanguage-link interwiki-pt badge-Q17437796 badge-featuredarticle mw-list-item" title="알찬 글"><a href="https://pt.wikipedia.org/wiki/Buraco_negro" title="Buraco negro – 포르투갈어" lang="pt" hreflang="pt" data-title="Buraco negro" data-language-autonym="Português" data-language-local-name="포르투갈어" class="interlanguage-link-target"><span>Português</span></a></li><li class="interlanguage-link interwiki-qu mw-list-item"><a href="https://qu.wikipedia.org/wiki/Yana_huchk%27u" title="Yana huchk'u – 케추아어" lang="qu" hreflang="qu" data-title="Yana huchk'u" data-language-autonym="Runa Simi" data-language-local-name="케추아어" class="interlanguage-link-target"><span>Runa Simi</span></a></li><li class="interlanguage-link interwiki-ro mw-list-item"><a href="https://ro.wikipedia.org/wiki/Gaur%C4%83_neagr%C4%83" title="Gaură neagră – 루마니아어" lang="ro" hreflang="ro" data-title="Gaură neagră" data-language-autonym="Română" data-language-local-name="루마니아어" class="interlanguage-link-target"><span>Română</span></a></li><li class="interlanguage-link interwiki-rsk mw-list-item"><a href="https://rsk.wikipedia.org/wiki/%D0%A7%D0%B0%D1%80%D0%BD%D0%B0_%D0%B4%D0%B7%D0%B8%D1%80%D0%B0" title="Чарна дзира – Pannonian Rusyn" lang="rsk" hreflang="rsk" data-title="Чарна дзира" data-language-autonym="Руски" data-language-local-name="Pannonian Rusyn" class="interlanguage-link-target"><span>Руски</span></a></li><li class="interlanguage-link interwiki-ru badge-Q17437798 badge-goodarticle mw-list-item" title="좋은 글"><a href="https://ru.wikipedia.org/wiki/%D0%A7%D1%91%D1%80%D0%BD%D0%B0%D1%8F_%D0%B4%D1%8B%D1%80%D0%B0" title="Чёрная дыра – 러시아어" lang="ru" hreflang="ru" data-title="Чёрная дыра" data-language-autonym="Русский" data-language-local-name="러시아어" class="interlanguage-link-target"><span>Русский</span></a></li><li class="interlanguage-link interwiki-rue mw-list-item"><a href="https://rue.wikipedia.org/wiki/%D0%A7%D0%BE%D1%80%D0%BD%D0%B0_%D0%B4%D1%97%D1%80%D0%B0" title="Чорна дїра – 루신어" lang="rue" hreflang="rue" data-title="Чорна дїра" data-language-autonym="Русиньскый" data-language-local-name="루신어" class="interlanguage-link-target"><span>Русиньскый</span></a></li><li class="interlanguage-link interwiki-sah mw-list-item"><a href="https://sah.wikipedia.org/wiki/%D0%A5%D0%B0%D1%80%D0%B0_%D2%AF%D3%A9%D0%B4%D1%8D%D0%BD" title="Хара үөдэн – 야쿠트어" lang="sah" hreflang="sah" data-title="Хара үөдэн" data-language-autonym="Саха тыла" data-language-local-name="야쿠트어" class="interlanguage-link-target"><span>Саха тыла</span></a></li><li class="interlanguage-link interwiki-scn mw-list-item"><a href="https://scn.wikipedia.org/wiki/Pirtusu_n%C3%ACguru" title="Pirtusu nìguru – 시칠리아어" lang="scn" hreflang="scn" data-title="Pirtusu nìguru" data-language-autonym="Sicilianu" data-language-local-name="시칠리아어" class="interlanguage-link-target"><span>Sicilianu</span></a></li><li class="interlanguage-link interwiki-sco mw-list-item"><a href="https://sco.wikipedia.org/wiki/Black_hole" title="Black hole – 스코틀랜드어" lang="sco" hreflang="sco" data-title="Black hole" data-language-autonym="Scots" data-language-local-name="스코틀랜드어" class="interlanguage-link-target"><span>Scots</span></a></li><li class="interlanguage-link interwiki-sd mw-list-item"><a href="https://sd.wikipedia.org/wiki/%D8%A8%D9%84%D9%8A%DA%AA_%D9%87%D9%88%D9%84" title="بليڪ هول – 신디어" lang="sd" hreflang="sd" data-title="بليڪ هول" data-language-autonym="سنڌي" data-language-local-name="신디어" class="interlanguage-link-target"><span>سنڌي</span></a></li><li class="interlanguage-link interwiki-sh mw-list-item"><a href="https://sh.wikipedia.org/wiki/Crna_rupa" title="Crna rupa – 세르비아-크로아티아어" lang="sh" hreflang="sh" data-title="Crna rupa" data-language-autonym="Srpskohrvatski / српскохрватски" data-language-local-name="세르비아-크로아티아어" class="interlanguage-link-target"><span>Srpskohrvatski / српскохрватски</span></a></li><li class="interlanguage-link interwiki-shi mw-list-item"><a href="https://shi.wikipedia.org/wiki/Agbbay_asggan" title="Agbbay asggan – 타셸히트어" lang="shi" hreflang="shi" data-title="Agbbay asggan" data-language-autonym="Taclḥit" data-language-local-name="타셸히트어" class="interlanguage-link-target"><span>Taclḥit</span></a></li><li class="interlanguage-link interwiki-si mw-list-item"><a href="https://si.wikipedia.org/wiki/%E0%B6%9A%E0%B7%85%E0%B7%94_%E0%B6%9A%E0%B7%94%E0%B7%84%E0%B6%BB" title="කළු කුහර – 싱할라어" lang="si" hreflang="si" data-title="කළු කුහර" data-language-autonym="සිංහල" data-language-local-name="싱할라어" class="interlanguage-link-target"><span>සිංහල</span></a></li><li class="interlanguage-link interwiki-simple badge-Q17437798 badge-goodarticle mw-list-item" title="좋은 글"><a href="https://simple.wikipedia.org/wiki/Black_hole" title="Black hole – Simple English" lang="en-simple" hreflang="en-simple" data-title="Black hole" data-language-autonym="Simple English" data-language-local-name="Simple English" class="interlanguage-link-target"><span>Simple English</span></a></li><li class="interlanguage-link interwiki-sk badge-Q17437796 badge-featuredarticle mw-list-item" title="알찬 글"><a href="https://sk.wikipedia.org/wiki/%C4%8Cierna_diera" title="Čierna diera – 슬로바키아어" lang="sk" hreflang="sk" data-title="Čierna diera" data-language-autonym="Slovenčina" data-language-local-name="슬로바키아어" class="interlanguage-link-target"><span>Slovenčina</span></a></li><li class="interlanguage-link interwiki-sl mw-list-item"><a href="https://sl.wikipedia.org/wiki/%C4%8Crna_luknja" title="Črna luknja – 슬로베니아어" lang="sl" hreflang="sl" data-title="Črna luknja" data-language-autonym="Slovenščina" data-language-local-name="슬로베니아어" class="interlanguage-link-target"><span>Slovenščina</span></a></li><li class="interlanguage-link interwiki-sq mw-list-item"><a href="https://sq.wikipedia.org/wiki/Vrima_e_zez%C3%AB" title="Vrima e zezë – 알바니아어" lang="sq" hreflang="sq" data-title="Vrima e zezë" data-language-autonym="Shqip" data-language-local-name="알바니아어" class="interlanguage-link-target"><span>Shqip</span></a></li><li class="interlanguage-link interwiki-sr mw-list-item"><a href="https://sr.wikipedia.org/wiki/%D0%A6%D1%80%D0%BD%D0%B0_%D1%80%D1%83%D0%BF%D0%B0" title="Црна рупа – 세르비아어" lang="sr" hreflang="sr" data-title="Црна рупа" data-language-autonym="Српски / srpski" data-language-local-name="세르비아어" class="interlanguage-link-target"><span>Српски / srpski</span></a></li><li class="interlanguage-link interwiki-su mw-list-item"><a href="https://su.wikipedia.org/wiki/Liang_hideung" title="Liang hideung – 순다어" lang="su" hreflang="su" data-title="Liang hideung" data-language-autonym="Sunda" data-language-local-name="순다어" class="interlanguage-link-target"><span>Sunda</span></a></li><li class="interlanguage-link interwiki-sv mw-list-item"><a href="https://sv.wikipedia.org/wiki/Svart_h%C3%A5l" title="Svart hål – 스웨덴어" lang="sv" hreflang="sv" data-title="Svart hål" data-language-autonym="Svenska" data-language-local-name="스웨덴어" class="interlanguage-link-target"><span>Svenska</span></a></li><li class="interlanguage-link interwiki-sw mw-list-item"><a href="https://sw.wikipedia.org/wiki/Shimo_jeusi" title="Shimo jeusi – 스와힐리어" lang="sw" hreflang="sw" data-title="Shimo jeusi" data-language-autonym="Kiswahili" data-language-local-name="스와힐리어" class="interlanguage-link-target"><span>Kiswahili</span></a></li><li class="interlanguage-link interwiki-szl mw-list-item"><a href="https://szl.wikipedia.org/wiki/Cz%C5%8Frn%C5%8F_dziura" title="Czŏrnŏ dziura – 실레시아어" lang="szl" hreflang="szl" data-title="Czŏrnŏ dziura" data-language-autonym="Ślůnski" data-language-local-name="실레시아어" class="interlanguage-link-target"><span>Ślůnski</span></a></li><li class="interlanguage-link interwiki-ta mw-list-item"><a href="https://ta.wikipedia.org/wiki/%E0%AE%95%E0%AE%B0%E0%AF%81%E0%AE%A8%E0%AF%8D%E0%AE%A4%E0%AF%81%E0%AE%B3%E0%AF%88" title="கருந்துளை – 타밀어" lang="ta" hreflang="ta" data-title="கருந்துளை" data-language-autonym="தமிழ்" data-language-local-name="타밀어" class="interlanguage-link-target"><span>தமிழ்</span></a></li><li class="interlanguage-link interwiki-te mw-list-item"><a href="https://te.wikipedia.org/wiki/%E0%B0%AC%E0%B1%8D%E0%B0%B2%E0%B0%BE%E0%B0%95%E0%B1%8D_%E0%B0%B9%E0%B1%8B%E0%B0%B2%E0%B1%8D" title="బ్లాక్ హోల్ – 텔루구어" lang="te" hreflang="te" data-title="బ్లాక్ హోల్" data-language-autonym="తెలుగు" data-language-local-name="텔루구어" class="interlanguage-link-target"><span>తెలుగు</span></a></li><li class="interlanguage-link interwiki-tg mw-list-item"><a href="https://tg.wikipedia.org/wiki/%D0%A1%D0%B8%D1%91%D2%B3%D1%87%D0%BE%D0%BB%D0%B0" title="Сиёҳчола – 타지크어" lang="tg" hreflang="tg" data-title="Сиёҳчола" data-language-autonym="Тоҷикӣ" data-language-local-name="타지크어" class="interlanguage-link-target"><span>Тоҷикӣ</span></a></li><li class="interlanguage-link interwiki-th mw-list-item"><a href="https://th.wikipedia.org/wiki/%E0%B8%AB%E0%B8%A5%E0%B8%B8%E0%B8%A1%E0%B8%94%E0%B8%B3" title="หลุมดำ – 태국어" lang="th" hreflang="th" data-title="หลุมดำ" data-language-autonym="ไทย" data-language-local-name="태국어" class="interlanguage-link-target"><span>ไทย</span></a></li><li class="interlanguage-link interwiki-tk mw-list-item"><a href="https://tk.wikipedia.org/wiki/Gara_girdap" title="Gara girdap – 투르크멘어" lang="tk" hreflang="tk" data-title="Gara girdap" data-language-autonym="Türkmençe" data-language-local-name="투르크멘어" class="interlanguage-link-target"><span>Türkmençe</span></a></li><li class="interlanguage-link interwiki-tl mw-list-item"><a href="https://tl.wikipedia.org/wiki/Black_hole" title="Black hole – 타갈로그어" lang="tl" hreflang="tl" data-title="Black hole" data-language-autonym="Tagalog" data-language-local-name="타갈로그어" class="interlanguage-link-target"><span>Tagalog</span></a></li><li class="interlanguage-link interwiki-tr mw-list-item"><a href="https://tr.wikipedia.org/wiki/Kara_delik" title="Kara delik – 튀르키예어" lang="tr" hreflang="tr" data-title="Kara delik" data-language-autonym="Türkçe" data-language-local-name="튀르키예어" class="interlanguage-link-target"><span>Türkçe</span></a></li><li class="interlanguage-link interwiki-tt mw-list-item"><a href="https://tt.wikipedia.org/wiki/%D0%9A%D0%B0%D1%80%D0%B0_%D1%82%D0%B8%D1%88%D0%B5%D0%BA" title="Кара тишек – 타타르어" lang="tt" hreflang="tt" data-title="Кара тишек" data-language-autonym="Татарча / tatarça" data-language-local-name="타타르어" class="interlanguage-link-target"><span>Татарча / tatarça</span></a></li><li class="interlanguage-link interwiki-udm mw-list-item"><a href="https://udm.wikipedia.org/wiki/%D0%A1%D1%8C%D3%A7%D0%B4_%D0%BF%D0%B0%D1%81%D1%8C" title="Сьӧд пась – 우드말트어" lang="udm" hreflang="udm" data-title="Сьӧд пась" data-language-autonym="Удмурт" data-language-local-name="우드말트어" class="interlanguage-link-target"><span>Удмурт</span></a></li><li class="interlanguage-link interwiki-ug mw-list-item"><a href="https://ug.wikipedia.org/wiki/%D9%82%D8%A7%D8%B1%D8%A7_%D8%A6%DB%86%DA%AD%D9%83%DB%88%D8%B1" title="قارا ئۆڭكۈر – 위구르어" lang="ug" hreflang="ug" data-title="قارا ئۆڭكۈر" data-language-autonym="ئۇيغۇرچە / Uyghurche" data-language-local-name="위구르어" class="interlanguage-link-target"><span>ئۇيغۇرچە / Uyghurche</span></a></li><li class="interlanguage-link interwiki-uk mw-list-item"><a href="https://uk.wikipedia.org/wiki/%D0%A7%D0%BE%D1%80%D0%BD%D0%B0_%D0%B4%D1%96%D1%80%D0%B0" title="Чорна діра – 우크라이나어" lang="uk" hreflang="uk" data-title="Чорна діра" data-language-autonym="Українська" data-language-local-name="우크라이나어" class="interlanguage-link-target"><span>Українська</span></a></li><li class="interlanguage-link interwiki-ur mw-list-item"><a href="https://ur.wikipedia.org/wiki/%D8%A8%D9%84%DB%8C%DA%A9_%DB%81%D9%88%D9%84" title="بلیک ہول – 우르두어" lang="ur" hreflang="ur" data-title="بلیک ہول" data-language-autonym="اردو" data-language-local-name="우르두어" class="interlanguage-link-target"><span>اردو</span></a></li><li class="interlanguage-link interwiki-uz mw-list-item"><a href="https://uz.wikipedia.org/wiki/Qora_tuynuk" title="Qora tuynuk – 우즈베크어" lang="uz" hreflang="uz" data-title="Qora tuynuk" data-language-autonym="Oʻzbekcha / ўзбекча" data-language-local-name="우즈베크어" class="interlanguage-link-target"><span>Oʻzbekcha / ўзбекча</span></a></li><li class="interlanguage-link interwiki-vec mw-list-item"><a href="https://vec.wikipedia.org/wiki/Buxo_nero" title="Buxo nero – 베네치아어" lang="vec" hreflang="vec" data-title="Buxo nero" data-language-autonym="Vèneto" data-language-local-name="베네치아어" class="interlanguage-link-target"><span>Vèneto</span></a></li><li class="interlanguage-link interwiki-vep mw-list-item"><a href="https://vep.wikipedia.org/wiki/Must_reig" title="Must reig – Veps" lang="vep" hreflang="vep" data-title="Must reig" data-language-autonym="Vepsän kel’" data-language-local-name="Veps" class="interlanguage-link-target"><span>Vepsän kel’</span></a></li><li class="interlanguage-link interwiki-vi badge-Q17437796 badge-featuredarticle mw-list-item" title="알찬 글"><a href="https://vi.wikipedia.org/wiki/L%E1%BB%97_%C4%91en" title="Lỗ đen – 베트남어" lang="vi" hreflang="vi" data-title="Lỗ đen" data-language-autonym="Tiếng Việt" data-language-local-name="베트남어" class="interlanguage-link-target"><span>Tiếng Việt</span></a></li><li class="interlanguage-link interwiki-wa mw-list-item"><a href="https://wa.wikipedia.org/wiki/Noer_tr%C3%B4_(astronomeye)" title="Noer trô (astronomeye) – 왈론어" lang="wa" hreflang="wa" data-title="Noer trô (astronomeye)" data-language-autonym="Walon" data-language-local-name="왈론어" class="interlanguage-link-target"><span>Walon</span></a></li><li class="interlanguage-link interwiki-war mw-list-item"><a href="https://war.wikipedia.org/wiki/Itom_nga_luho" title="Itom nga luho – 와라이어" lang="war" hreflang="war" data-title="Itom nga luho" data-language-autonym="Winaray" data-language-local-name="와라이어" class="interlanguage-link-target"><span>Winaray</span></a></li><li class="interlanguage-link interwiki-wuu mw-list-item"><a href="https://wuu.wikipedia.org/wiki/%E9%BB%91%E6%B4%9E" title="黑洞 – 우어" lang="wuu" hreflang="wuu" data-title="黑洞" data-language-autonym="吴语" data-language-local-name="우어" class="interlanguage-link-target"><span>吴语</span></a></li><li class="interlanguage-link interwiki-xmf mw-list-item"><a href="https://xmf.wikipedia.org/wiki/%E1%83%A3%E1%83%A9%E1%83%90_%E1%83%A0%E1%83%AE%E1%83%95%E1%83%98%E1%83%9A%E1%83%98" title="უჩა რხვილი – Mingrelian" lang="xmf" hreflang="xmf" data-title="უჩა რხვილი" data-language-autonym="მარგალური" data-language-local-name="Mingrelian" class="interlanguage-link-target"><span>მარგალური</span></a></li><li class="interlanguage-link interwiki-yi mw-list-item"><a href="https://yi.wikipedia.org/wiki/%D7%A9%D7%95%D7%95%D7%90%D7%A8%D7%A6%D7%A2_%D7%9C%D7%90%D7%9A" title="שווארצע לאך – 이디시어" lang="yi" hreflang="yi" data-title="שווארצע לאך" data-language-autonym="ייִדיש" data-language-local-name="이디시어" class="interlanguage-link-target"><span>ייִדיש</span></a></li><li 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//upload.wikimedia.org/wikipedia/commons/thumb/4/4a/Disambig_grey.svg/46px-Disambig_grey.svg.png 2x" data-file-width="260" data-file-height="200" /></a></span> 다른 뜻에 대해서는 <a href="/wiki/%EB%B8%94%EB%9E%99%ED%99%80_(%EB%8F%99%EC%9D%8C%EC%9D%B4%EC%9D%98)" class="mw-disambig" title="블랙홀 (동음이의)">블랙홀 (동음이의)</a> 문서를 참고하십시오.</div> <figure typeof="mw:File/Thumb"><a href="/wiki/%ED%8C%8C%EC%9D%BC:Black_hole_-_Messier_87.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/c/cf/Black_hole_-_Messier_87.jpg/350px-Black_hole_-_Messier_87.jpg" decoding="async" width="350" height="204" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/c/cf/Black_hole_-_Messier_87.jpg/525px-Black_hole_-_Messier_87.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/c/cf/Black_hole_-_Messier_87.jpg/700px-Black_hole_-_Messier_87.jpg 2x" data-file-width="7416" data-file-height="4320" /></a><figcaption><a href="/wiki/CD%EC%9D%80%ED%95%98" title="CD은하">cD은하</a>, <a href="/wiki/%ED%83%80%EC%9B%90%EC%9D%80%ED%95%98" title="타원은하">타원은하</a>인 <a href="/wiki/%EC%B2%98%EB%85%80%EC%9E%90%EB%A6%AC_A_%EC%9D%80%ED%95%98" title="처녀자리 A 은하">처녀자리 A 은하</a> 중앙에 있는 <a href="/wiki/%EC%B4%88%EB%8C%80%EC%A7%88%EB%9F%89_%EB%B8%94%EB%9E%99%ED%99%80" title="초대질량 블랙홀">초대질량 블랙홀</a>의 사진. 2016년 측정한 이 블랙홀의 질량은 태양의 약 70억 배로, 구체적인 값은 <span class="nowrap"><span data-sort-value="7009722000000000000♠"></span>7.22<span style="margin-left:0.3em;"><span style="display:inline-block;margin-bottom:-0.3em;vertical-align:-0.4em;line-height:1.2em;font-size:85%;text-align:right;">+0.34<br />−0.40</span></span><span style="margin-left:0.25em;margin-right:0.15em;">×</span>10<sup>9</sup></span> <i>M</i><sub>☉</sub>이다.<sup id="cite_ref-1" class="reference"><a href="#cite_note-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup> 이 형상은 블랙홀을 직접 찍은 최초 사례이다.(<a href="/w/index.php?title=%EC%9D%B4%EB%B2%A4%ED%8A%B8_%ED%98%B8%EB%9D%BC%EC%9D%B4%EC%A6%8C_%EB%A7%9D%EC%9B%90%EA%B2%BD&action=edit&redlink=1" class="new" title="이벤트 호라이즌 망원경 (없는 문서)">이벤트 호라이즌 망원경</a>, 2019년 4월 10일 공개)<sup id="cite_ref-2" class="reference"><a href="#cite_note-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup></figcaption></figure> <figure typeof="mw:File/Thumb"><a href="/wiki/%ED%8C%8C%EC%9D%BC:IonringBlackhole.jpeg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/2/25/IonringBlackhole.jpeg/300px-IonringBlackhole.jpeg" decoding="async" width="300" height="188" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/2/25/IonringBlackhole.jpeg/450px-IonringBlackhole.jpeg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/2/25/IonringBlackhole.jpeg/600px-IonringBlackhole.jpeg 2x" data-file-width="800" data-file-height="500" /></a><figcaption><a href="/wiki/%EA%B6%81%EC%88%98%EC%9E%90%EB%A6%AC_A*" title="궁수자리 A*">궁수자리 A*</a>의 모델로 제안된,<sup id="cite_ref-3" class="reference"><a href="#cite_note-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup> 전리물질의 <a href="/wiki/%EC%9B%90%ED%99%98%EB%A9%B4" title="원환면">원환면</a>을 두르고 있으면서 회전하지 않는 블랙홀의 상상도. 원환면 양 옆의 비대칭성은 블랙홀의 매우 강력한 중력적 인력으로 공전속도가 무지막지하게 빨라져 <a href="/wiki/%EB%8F%84%ED%94%8C%EB%9F%AC_%ED%9A%A8%EA%B3%BC" title="도플러 효과">도플러 효과</a>가 발생하기 때문이다.</figcaption></figure> <style data-mw-deduplicate="TemplateStyles:r36480591">.mw-parser-output .hlist dl,.mw-parser-output .hlist ol,.mw-parser-output .hlist ul{margin:0;padding:0}.mw-parser-output .hlist dd,.mw-parser-output .hlist dt,.mw-parser-output .hlist li{margin:0;display:inline}.mw-parser-output .hlist.inline,.mw-parser-output .hlist.inline dl,.mw-parser-output .hlist.inline ol,.mw-parser-output .hlist.inline ul,.mw-parser-output .hlist dl dl,.mw-parser-output .hlist dl ol,.mw-parser-output .hlist dl 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a{color:var(--color-progressive)!important}}@media print{body.ns-0 .mw-parser-output .sidebar{display:none!important}}</style><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r38592357"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r38592357"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r36480591"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r38592357"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r36480591"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r38592357"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r36480591"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r36480591"><table class="sidebar sidebar-collapse nomobile nowraplinks plainlist"><tbody><tr><th class="sidebar-title"><a href="/wiki/%EC%9D%BC%EB%B0%98_%EC%83%81%EB%8C%80%EC%84%B1%EC%9D%B4%EB%A1%A0" title="일반 상대성이론">일반 상대성이론</a></th></tr><tr><td class="sidebar-image"><span typeof="mw:File"><a href="/wiki/%ED%8C%8C%EC%9D%BC:Spacetime_lattice_analogy.svg" class="mw-file-description" title="Spacetime curvature schematic"><img alt="Spacetime curvature schematic" src="//upload.wikimedia.org/wikipedia/commons/thumb/6/63/Spacetime_lattice_analogy.svg/220px-Spacetime_lattice_analogy.svg.png" decoding="async" width="220" height="82" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/6/63/Spacetime_lattice_analogy.svg/330px-Spacetime_lattice_analogy.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/6/63/Spacetime_lattice_analogy.svg/440px-Spacetime_lattice_analogy.svg.png 2x" data-file-width="1260" data-file-height="469" /></a></span><div class="sidebar-caption" style="padding:0.5em 0.2em 0.6em;border-bottom:1px solid #aaa; display:block;margin-bottom:0.1em;"><span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle G_{\mu \nu }+\Lambda g_{\mu \nu }={8\pi G \over c^{4}}T_{\mu \nu }}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <msub> <mi>G</mi> <mrow class="MJX-TeXAtom-ORD"> <mi>μ<!-- μ --></mi> <mi>ν<!-- ν --></mi> </mrow> </msub> <mo>+</mo> <mi mathvariant="normal">Λ<!-- Λ --></mi> <msub> <mi>g</mi> <mrow class="MJX-TeXAtom-ORD"> <mi>μ<!-- μ --></mi> <mi>ν<!-- ν --></mi> </mrow> </msub> <mo>=</mo> <mrow class="MJX-TeXAtom-ORD"> <mfrac> <mrow> <mn>8</mn> <mi>π<!-- π --></mi> <mi>G</mi> </mrow> <msup> <mi>c</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>4</mn> </mrow> </msup> </mfrac> </mrow> <msub> <mi>T</mi> <mrow class="MJX-TeXAtom-ORD"> <mi>μ<!-- μ --></mi> <mi>ν<!-- ν --></mi> </mrow> </msub> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle G_{\mu \nu }+\Lambda g_{\mu \nu }={8\pi G \over c^{4}}T_{\mu \nu }}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/021a494922172bfe1c9fa4e80d25ac90228d72cf" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -2.171ex; width:23.286ex; height:5.676ex;" alt="{\displaystyle G_{\mu \nu }+\Lambda g_{\mu \nu }={8\pi G \over c^{4}}T_{\mu \nu }}"></span></div></td></tr><tr><td class="sidebar-content" style="padding-bottom:0.75em;"> <ul><li><div class="hlist"><ul><li><a href="/wiki/%EC%9D%BC%EB%B0%98%EC%83%81%EB%8C%80%EB%A1%A0_%EA%B0%9C%EB%A1%A0" title="일반상대론 개론">개론</a></li><li><a href="/w/index.php?title=%EC%9D%BC%EB%B0%98%EC%83%81%EB%8C%80%EB%A1%A0%EC%9D%98_%EC%97%AD%EC%82%AC&action=edit&redlink=1" class="new" title="일반상대론의 역사 (없는 문서)">역사</a></li></ul></div></li> <li><div class="hlist"><ul><li><a href="/wiki/%EC%9D%BC%EB%B0%98%EC%83%81%EB%8C%80%EB%A1%A0%EC%9D%98_%EC%88%98%ED%95%99%EC%A0%81_%ED%98%95%EC%8B%9D%ED%99%94" title="일반상대론의 수학적 형식화">수학적 공식화</a> <small>(<a href="/wiki/%EC%9D%BC%EB%B0%98%EC%83%81%EB%8C%80%EB%A1%A0%EC%9D%98_%EC%88%98%ED%95%99%EC%A0%81_%EA%B3%B5%EC%8B%9D%ED%99%94_%EA%B0%9C%EB%A1%A0" title="일반상대론의 수학적 공식화 개론">개론</a>)</small></li><li><a href="/w/index.php?title=%EC%9D%BC%EB%B0%98%EC%83%81%EB%8C%80%EB%A1%A0%EC%9D%98_%EA%B2%80%EC%A6%9D&action=edit&redlink=1" class="new" title="일반상대론의 검증 (없는 문서)">검증</a></li></ul></div></li></ul></td> </tr><tr><td class="sidebar-content"> <div class="sidebar-list mw-collapsible mw-collapsed"><div class="sidebar-list-title" style="background:#ddf; text-align:center;;color: var(--color-base)">기초 개념</div><div class="sidebar-list-content mw-collapsible-content hlist"> <ul><li><a href="/wiki/%EB%93%B1%EA%B0%80%EC%9B%90%EB%A6%AC" title="등가원리">등가원리</a></li> <li><a href="/wiki/%ED%8A%B9%EC%88%98%EC%83%81%EB%8C%80%EB%A1%A0" class="mw-redirect" title="특수상대론">특수상대론</a></li> <li><a href="/wiki/%EC%84%B8%EA%B3%84%EC%84%A0" title="세계선">세계선</a></li> <li><a href="/wiki/%EB%A6%AC%EB%A7%8C_%EA%B8%B0%ED%95%98%ED%95%99" title="리만 기하학">리만 기하학</a></li></ul></div></div></td> </tr><tr><td class="sidebar-content"> <div class="sidebar-list mw-collapsible"><div class="sidebar-list-title" style="background:#ddf; text-align:center;;color: var(--color-base)">관련 현상</div><div class="sidebar-list-content mw-collapsible-content hlist"><table class="sidebar nomobile nowraplinks" style="border-collapse:collapse; border-spacing:0px; border:none; width:100%; margin:0px; font-size:100%; clear:none; float:none"><tbody><tr><td class="sidebar-content"> <ul><li><a href="/w/index.php?title=%EC%9D%BC%EB%B0%98%EC%83%81%EB%8C%80%EB%A1%A0%EC%9D%98_%EC%9D%B4%EC%B2%B4_%EB%AC%B8%EC%A0%9C&action=edit&redlink=1" class="new" title="일반상대론의 이체 문제 (없는 문서)">케플러 문제</a></li> <li><a href="/wiki/%EC%A4%91%EB%A0%A5%EB%A0%8C%EC%A6%88" title="중력렌즈">중력렌즈</a></li> <li><a href="/wiki/%EC%A4%91%EB%A0%A5%ED%8C%8C" title="중력파">중력파</a></li> <li><a href="/wiki/%ED%8B%80_%EB%81%8C%EB%A6%BC" title="틀 끌림">틀 끌림</a></li> <li><a href="/w/index.php?title=%EC%B8%A1%EC%A7%80%ED%9A%A8%EA%B3%BC&action=edit&redlink=1" class="new" title="측지효과 (없는 문서)">측지효과</a></li> <li><a href="/wiki/%EC%82%AC%EA%B1%B4%EC%9D%98_%EC%A7%80%ED%8F%89%EC%84%A0" title="사건의 지평선">사건의 지평선</a></li> <li><a href="/wiki/%EC%A4%91%EB%A0%A5_%ED%8A%B9%EC%9D%B4%EC%A0%90" title="중력 특이점">특이점</a></li> <li><a class="mw-selflink selflink">블랙홀</a></li></ul></td> </tr><tr><th class="sidebar-heading" style="background:#ececff; font-style:italic;font-weight:normal;"> <a href="/wiki/%EC%8B%9C%EA%B3%B5%EA%B0%84" title="시공간">시공간</a></th></tr><tr><td class="sidebar-content"> <ul><li><a href="/w/index.php?title=%EC%8B%9C%EA%B3%B5%EB%8F%84&action=edit&redlink=1" class="new" title="시공도 (없는 문서)">시공도</a></li> <li><a href="/wiki/%EB%AF%BC%EC%BD%94%ED%94%84%EC%8A%A4%ED%82%A4_%EA%B3%B5%EA%B0%84" title="민코프스키 공간">민코프스키 공간</a></li> <li><a href="/wiki/%EC%9B%9C%ED%99%80" title="웜홀">아인슈타인–로젠 다리</a></li> <li><a href="/wiki/%EB%B0%98_%EB%8D%94%EC%8B%9C%ED%84%B0%EB%A5%B4_%EA%B3%B5%EA%B0%84" title="반 더시터르 공간">반 더시터르 공간</a></li></ul></td> </tr></tbody></table></div></div></td> </tr><tr><td class="sidebar-content"> <div class="sidebar-list mw-collapsible mw-collapsed"><div class="sidebar-list-title" style="background:#ddf; text-align:center;;color: var(--color-base)"><div class="hlist"><ul><li>방정식</li><li>형식</li></ul></div></div><div class="sidebar-list-content mw-collapsible-content hlist"><table class="sidebar nomobile nowraplinks" style="border-collapse:collapse; border-spacing:0px; border:none; width:100%; margin:0px; font-size:100%; clear:none; float:none;padding-bottom:0;margin-bottom:0;"><tbody><tr><th class="sidebar-heading" style="font-style:italic;font-weight:normal;padding-bottom:0;"> 방정식</th></tr><tr><td class="sidebar-content" style="padding-top:0;"> <ul><li><a href="/w/index.php?title=%EC%A4%91%EB%A0%A5_%EC%84%A0%ED%98%95%ED%99%94&action=edit&redlink=1" class="new" title="중력 선형화 (없는 문서)">중력 선형화</a></li> <li><a href="/wiki/%EC%95%84%EC%9D%B8%EC%8A%88%ED%83%80%EC%9D%B8_%EB%B0%A9%EC%A0%95%EC%8B%9D" title="아인슈타인 방정식">아인슈타인 방정식</a></li> <li><a href="/wiki/%ED%94%84%EB%A6%AC%EB%93%9C%EB%A7%8C_%EB%B0%A9%EC%A0%95%EC%8B%9D" title="프리드만 방정식">프리드만 방정식</a></li> <li><a href="/w/index.php?title=%EC%9D%BC%EB%B0%98%EC%83%81%EB%8C%80%EB%A1%A0%EC%9D%98_%EC%B8%A1%EC%A7%80&action=edit&redlink=1" class="new" title="일반상대론의 측지 (없는 문서)">측지</a></li> <li><a href="/w/index.php?title=%EB%A7%88%ED%8B%B0%EC%86%90%E2%80%93%ED%8C%8C%ED%8C%8C%ED%8E%98%ED%8A%B8%EB%A1%9C%EC%9A%B0%E2%80%93%EB%94%95%EC%8A%A8_%EB%B0%A9%EC%A0%95%EC%8B%9D&action=edit&redlink=1" class="new" title="마티손–파파페트로우–딕슨 방정식 (없는 문서)">마티손–파파페트로우–딕슨 방정식</a></li> <li><a href="/w/index.php?title=%ED%95%B4%EB%B0%80%ED%84%B4%E2%80%93%EC%95%BC%EC%BD%94%EB%B9%84%E2%80%93%EC%95%84%EC%9D%B8%EC%8A%88%ED%83%80%EC%9D%B8_%EB%B0%A9%EC%A0%95%EC%8B%9D&action=edit&redlink=1" class="new" title="해밀턴–야코비–아인슈타인 방정식 (없는 문서)">해밀턴–야코비–아인슈타인 방정식</a></li></ul></td> </tr><tr><th class="sidebar-heading" style="font-style:italic;font-weight:normal;padding-bottom:0;"> 형식화</th></tr><tr><td class="sidebar-content" style="padding-top:0;"> <ul><li><a href="/wiki/ADM_%ED%98%95%EC%8B%9D" title="ADM 형식">ADM</a></li> <li><a href="/wiki/BSSN_%ED%98%95%EC%8B%9D" class="mw-redirect" title="BSSN 형식">BSSN</a></li> <li><a href="/w/index.php?title=PPN_%ED%98%95%EC%8B%9D&action=edit&redlink=1" class="new" title="PPN 형식 (없는 문서)">PPN</a></li></ul></td> </tr><tr><th class="sidebar-heading" style="font-style:italic;font-weight:normal;padding-bottom:0;"> 고급 학설</th></tr><tr><td class="sidebar-content" style="padding-top:0;"> <ul><li><a href="/wiki/%EC%B9%BC%EB%A3%A8%EC%B0%A8%E2%80%93%ED%81%B4%EB%A0%88%EC%9D%B8_%EC%9D%B4%EB%A1%A0" title="칼루차–클레인 이론">칼루차–클레인 이론</a></li> <li><a href="/wiki/%EC%96%91%EC%9E%90%EC%A4%91%EB%A0%A5" class="mw-redirect" title="양자중력">양자중력</a></li> <li><a href="/wiki/%EC%95%84%EC%9D%B8%EC%8A%88%ED%83%80%EC%9D%B8-%EC%B9%B4%EB%A5%B4%ED%83%95_%EC%9D%B4%EB%A1%A0" title="아인슈타인-카르탕 이론">아인슈타인-카르탕 이론</a></li></ul></td> </tr></tbody></table></div></div></td> </tr><tr><td class="sidebar-content"> <div class="sidebar-list mw-collapsible mw-collapsed"><div class="sidebar-list-title" style="background:#ddf; text-align:center;;color: var(--color-base)"><a href="/wiki/%EC%9D%BC%EB%B0%98%EC%83%81%EB%8C%80%EB%A1%A0%EC%9D%98_%EC%99%84%EC%A0%84%ED%95%B4" class="mw-redirect" title="일반상대론의 완전해">해</a></div><div class="sidebar-list-content mw-collapsible-content hlist"> <ul><li><a href="/wiki/%EC%8A%88%EB%B0%94%EB%A5%B4%EC%B8%A0%EC%8B%A4%ED%8A%B8_%EA%B3%84%EB%9F%89" title="슈바르츠실트 계량">슈바르츠실트</a></li> <li><a href="/wiki/%EB%9D%BC%EC%9D%B4%EC%8A%A4%EB%84%88%E2%80%93%EB%85%B8%EB%A5%B4%EB%93%9C%EC%8A%A4%ED%8A%B8%EB%A3%80_%EA%B3%84%EB%9F%89" class="mw-redirect" title="라이스너–노르드스트룀 계량">라이스너–노르드스트룀</a></li> <li><a href="/wiki/%EA%B4%B4%EB%8D%B8_%EA%B3%84%EB%9F%89" title="괴델 계량">괴델</a></li> <li><a href="/wiki/%EC%BB%A4_%EA%B3%84%EB%9F%89" title="커 계량">커</a></li> <li><a href="/wiki/%EC%BB%A4%E2%80%93%EB%89%B4%EB%A8%BC_%EA%B3%84%EB%9F%89" class="mw-redirect" title="커–뉴먼 계량">커–뉴먼</a></li> <li><a href="/wiki/%EC%B9%B4%EC%8A%A4%EB%84%88_%EA%B3%84%EB%9F%89" title="카스너 계량">카스너</a></li> <li><a href="/wiki/%EB%A5%B4%EB%A9%94%ED%8A%B8%EB%A5%B4-%ED%86%A8%EB%A8%BC_%EA%B3%84%EB%9F%89" title="르메트르-톨먼 계량">르메트르–톨먼</a></li> <li><a href="/w/index.php?title=%ED%83%80%EB%B8%8C%E2%80%93%EB%84%9B_%EA%B3%B5%EA%B0%84&action=edit&redlink=1" class="new" title="타브–넛 공간 (없는 문서)">타브-넛</a></li> <li><a href="/wiki/%EB%B0%80%EB%A5%B8_%EB%AA%A8%EB%8D%B8" title="밀른 모델">밀른</a></li> <li><a href="/wiki/%ED%94%84%EB%A6%AC%EB%93%9C%EB%A7%8C%E2%80%93%EB%A5%B4%EB%A9%94%ED%8A%B8%EB%A5%B4%E2%80%93%EB%A1%9C%EB%B2%84%ED%8A%B8%EC%8A%A8%E2%80%93%EC%9B%8C%EC%BB%A4_%EA%B3%84%EB%9F%89" class="mw-redirect" title="프리드만–르메트르–로버트슨–워커 계량">로버트슨–워커</a></li> <li><a href="/w/index.php?title=Pp-%ED%8C%8C%EB%8F%99_%EC%8B%9C%EA%B3%B5%EA%B0%84&action=edit&redlink=1" class="new" title="Pp-파동 시공간 (없는 문서)">pp-파동</a></li> <li><a href="/w/index.php?title=%ED%8C%90_%EC%8A%A4%ED%86%A0%EC%BF%B0_%EB%A8%BC%EC%A7%80&action=edit&redlink=1" class="new" title="판 스토쿰 먼지 (없는 문서)">판 스토쿰 먼지</a></li></ul></div></div></td> </tr><tr><td class="sidebar-content"> <div class="sidebar-list mw-collapsible mw-collapsed"><div class="sidebar-list-title" style="background:#ddf; text-align:center;;color: var(--color-base)">학자</div><div class="sidebar-list-content mw-collapsible-content hlist"> <ul><li><a href="/wiki/%EC%95%8C%EB%B2%A0%EB%A5%B4%ED%8A%B8_%EC%95%84%EC%9D%B8%EC%8A%88%ED%83%80%EC%9D%B8" title="알베르트 아인슈타인">아인슈타인</a></li> <li><a href="/wiki/%ED%97%A8%EB%93%9C%EB%A6%AD_%EB%A1%9C%EB%9F%B0%EC%B8%A0" title="헨드릭 로런츠">로런츠</a></li> <li><a href="/wiki/%EB%8B%A4%EB%B9%84%EB%93%9C_%ED%9E%90%EB%B2%A0%EB%A5%B4%ED%8A%B8" class="mw-redirect" title="다비드 힐베르트">힐베르트</a></li> <li><a href="/wiki/%EC%95%99%EB%A6%AC_%ED%91%B8%EC%95%B5%EC%B9%B4%EB%A0%88" title="앙리 푸앵카레">푸앵카레</a></li> <li><a href="/wiki/%EC%97%98%EB%A6%AC_%EC%B9%B4%EB%A5%B4%ED%83%95" title="엘리 카르탕">카르탕</a></li> <li><a href="/wiki/%EC%B9%B4%EB%A5%BC_%EC%8A%88%EB%B0%94%EB%A5%B4%EC%B8%A0%EC%8B%A4%ED%8A%B8" title="카를 슈바르츠실트">슈바르츠실트</a></li> <li><a href="/wiki/%EB%B9%8C%EB%9F%BC_%EB%8D%94_%EC%8B%9C%ED%84%B0%EB%A5%B4" class="mw-redirect" title="빌럼 더 시터르">더 시터르</a></li> <li><a href="/wiki/%ED%95%9C%EC%8A%A4_%EB%9D%BC%EC%9D%B4%EC%8A%A4%EB%84%88" title="한스 라이스너">라이스너</a></li> <li><a href="/wiki/%EA%B5%B0%EB%82%98%EB%A5%B4_%EB%85%B8%EB%A5%B4%EB%93%9C%EC%8A%A4%ED%8A%B8%EB%A3%80" title="군나르 노르드스트룀">노르드스트룀</a></li> <li><a href="/wiki/%ED%97%A4%EB%A5%B4%EB%A7%8C_%EB%B0%94%EC%9D%BC" title="헤르만 바일">바일</a></li> <li><a href="/wiki/%EC%95%84%EC%84%9C_%EC%8A%A4%ED%83%A0%EB%A6%AC_%EC%97%90%EB%94%A9%ED%84%B4" title="아서 스탠리 에딩턴">에딩턴</a></li> <li><a href="/wiki/%EC%95%8C%EB%A0%89%EC%82%B0%EB%93%9C%EB%A5%B4_%ED%94%84%EB%A6%AC%EB%93%9C%EB%A7%8C" title="알렉산드르 프리드만">프리드만</a></li> <li><a href="/w/index.php?title=%EC%97%90%EB%93%9C%EC%9B%8C%EB%93%9C_%EC%95%84%EC%84%9C_%EB%B0%80%EB%A5%B8&action=edit&redlink=1" class="new" title="에드워드 아서 밀른 (없는 문서)">밀른</a></li> <li><a href="/wiki/%ED%94%84%EB%A6%AC%EC%B8%A0_%EC%B8%A0%EB%B9%84%ED%82%A4" title="프리츠 츠비키">츠비키</a></li> <li><a href="/wiki/%EC%A1%B0%EB%A5%B4%EC%A3%BC_%EB%A5%B4%EB%A9%94%ED%8A%B8%EB%A5%B4" title="조르주 르메트르">르메트르</a></li> <li><a href="/wiki/%EC%BF%A0%EB%A5%B4%ED%8A%B8_%EA%B4%B4%EB%8D%B8" title="쿠르트 괴델">괴델</a></li> <li><a href="/wiki/%EC%A1%B4_%EC%95%84%EC%B9%98%EB%B3%BC%EB%93%9C_%ED%9C%A0%EB%9F%AC" title="존 아치볼드 휠러">휠러</a></li> <li><a href="/w/index.php?title=%ED%95%98%EC%9B%8C%EB%93%9C_%ED%8D%BC%EC%8B%9C_%EB%A1%9C%EB%B2%84%ED%8A%B8%EC%8A%A8&action=edit&redlink=1" class="new" title="하워드 퍼시 로버트슨 (없는 문서)">로버트슨</a></li> <li><a href="/wiki/%EC%A0%9C%EC%9E%84%EC%8A%A4_%EB%A7%A5%EC%8A%A4%EC%9B%B0_%EB%B0%94%EB%94%98" title="제임스 맥스웰 바딘">바딘</a></li> <li><a href="/wiki/%EC%95%84%EC%84%9C_%EC%A0%9C%ED%94%84%EB%A6%AC_%EC%9B%8C%EC%BB%A4" class="mw-redirect" title="아서 제프리 워커">워커</a></li> <li><a href="/wiki/%EB%A1%9C%EC%9D%B4_%EC%BB%A4" title="로이 커">커</a></li> <li><a href="/wiki/%EC%88%98%EB%B8%8C%EB%9D%BC%EB%A7%88%EB%8B%88%EC%95%88_%EC%B0%AC%EB%93%9C%EB%9D%BC%EC%84%B8%EC%B9%B4%EB%A5%B4" title="수브라마니안 찬드라세카르">찬드라세카르</a></li> <li><a href="/wiki/%EC%9C%84%EB%A5%B4%EA%B2%90_%EC%97%98%EB%9F%AC%EC%8A%A4" title="위르겐 엘러스">엘러스</a></li> <li><a href="/wiki/%EB%A1%9C%EC%A0%80_%ED%8E%9C%EB%A1%9C%EC%A6%88" title="로저 펜로즈">펜로즈</a></li> <li><a href="/wiki/%EC%8A%A4%ED%8B%B0%EB%B8%90_%ED%98%B8%ED%82%B9" title="스티븐 호킹">호킹</a></li> <li><a href="/w/index.php?title=%EC%95%84%EB%A7%90_%EC%BF%A0%EB%A7%88%EB%A5%B4_%EB%9D%BC%EC%9D%B4%EC%B0%A8%EC%9A%B0%EB%93%9C%ED%9B%84%EB%A6%AC&action=edit&redlink=1" class="new" title="아말 쿠마르 라이차우드후리 (없는 문서)">라이차우드후리</a></li> <li><a href="/wiki/%EC%A1%B0%EC%A7%80%ED%94%84_%ED%9B%84%ED%8A%BC_%ED%85%8C%EC%9D%BC%EB%9F%AC_%EC%A3%BC%EB%8B%88%EC%96%B4" class="mw-redirect" title="조지프 후튼 테일러 주니어">테일러</a></li> <li><a href="/wiki/%EB%9F%AC%EC%85%80_%EC%95%A8%EB%9F%B0_%ED%97%90%EC%8A%A4" title="러셀 앨런 헐스">헐스</a></li> <li><a href="/w/index.php?title=%EB%B9%8C%EB%9F%BC_%EC%95%BC%EC%BD%A5_%ED%8C%90_%EC%8A%A4%ED%86%A0%EC%BF%B0&action=edit&redlink=1" class="new" title="빌럼 야콥 판 스토쿰 (없는 문서)">판 스토쿰</a></li> <li><a href="/w/index.php?title=%EC%97%90%EC%9D%B4%EB%B8%8C%EB%9F%AC%ED%96%84_%ED%95%98%EC%8A%A4%EC%BC%88_%ED%83%80%EC%9A%B0%EB%B8%8C&action=edit&redlink=1" class="new" title="에이브러햄 하스켈 타우브 (없는 문서)">타우브</a></li> <li><a href="/w/index.php?title=%EC%97%90%EC%A6%88%EB%9D%BC_%ED%85%8C%EB%93%9C_%EB%89%B4%EB%A8%BC&action=edit&redlink=1" class="new" title="에즈라 테드 뉴먼 (없는 문서)">뉴먼</a></li> <li><a href="/wiki/%EC%95%BC%EC%9A%B0%EC%8B%B1%ED%89%81" title="야우싱퉁">야우</a></li> <li><a href="/wiki/%ED%82%B5_%EC%86%90" title="킵 손">손</a></li> <li><a href="/w/index.php?title=%EC%9D%BC%EB%B0%98%EC%83%81%EB%8C%80%EB%A1%A0%EC%9D%98_%EA%B8%B0%EC%97%AC%EC%9E%90&action=edit&redlink=1" class="new" title="일반상대론의 기여자 (없는 문서)"><i>그 외</i></a></li></ul></div></div></td> </tr><tr><td class="sidebar-below" style="display:block;margin-top:0.4em; line-height:1.6em;padding-bottom:0.5em;"> <span typeof="mw:File"><a href="/wiki/%ED%8C%8C%EC%9D%BC:Stylised_atom_with_three_Bohr_model_orbits_and_stylised_nucleus.svg" class="mw-file-description"><img alt="Portal icon" src="//upload.wikimedia.org/wikipedia/commons/thumb/6/6f/Stylised_atom_with_three_Bohr_model_orbits_and_stylised_nucleus.svg/14px-Stylised_atom_with_three_Bohr_model_orbits_and_stylised_nucleus.svg.png" decoding="async" width="14" height="16" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/6/6f/Stylised_atom_with_three_Bohr_model_orbits_and_stylised_nucleus.svg/21px-Stylised_atom_with_three_Bohr_model_orbits_and_stylised_nucleus.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/6/6f/Stylised_atom_with_three_Bohr_model_orbits_and_stylised_nucleus.svg/28px-Stylised_atom_with_three_Bohr_model_orbits_and_stylised_nucleus.svg.png 2x" data-file-width="530" data-file-height="600" /></a></span> <a href="/wiki/%ED%8F%AC%ED%84%B8:%EB%AC%BC%EB%A6%AC%ED%95%99" title="포털:물리학">물리학 포털</a>  <span typeof="mw:File"><span title="분류"><img alt="분류" src="//upload.wikimedia.org/wikipedia/commons/thumb/4/48/Folder_Hexagonal_Icon.svg/16px-Folder_Hexagonal_Icon.svg.png" decoding="async" width="16" height="14" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/4/48/Folder_Hexagonal_Icon.svg/24px-Folder_Hexagonal_Icon.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/4/48/Folder_Hexagonal_Icon.svg/32px-Folder_Hexagonal_Icon.svg.png 2x" data-file-width="36" data-file-height="31" /></span></span> <a href="/wiki/%EB%B6%84%EB%A5%98:%EC%9D%BC%EB%B0%98_%EC%83%81%EB%8C%80%EC%84%B1%EC%9D%B4%EB%A1%A0" title="분류:일반 상대성이론">분류: 일반 상대성이론</a></td></tr><tr><td class="sidebar-navbar"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r36480591"><style data-mw-deduplicate="TemplateStyles:r38585741">.mw-parser-output .navbar{display:inline;font-size:88%;font-weight:normal}.mw-parser-output .navbar-collapse{float:left;text-align:left}.mw-parser-output .navbar-boxtext{word-spacing:0}.mw-parser-output .navbar ul{display:inline-block;white-space:nowrap;line-height:inherit}.mw-parser-output .navbar-brackets::before{margin-right:-0.125em;content:"[ "}.mw-parser-output .navbar-brackets::after{margin-left:-0.125em;content:" ]"}.mw-parser-output .navbar li{word-spacing:-0.125em}.mw-parser-output .navbar a>span,.mw-parser-output .navbar a>abbr{text-decoration:inherit}.mw-parser-output .navbar-mini abbr{font-variant:small-caps;border-bottom:none;text-decoration:none;cursor:inherit}.mw-parser-output .navbar-ct-full{font-size:114%;margin:0 7em}.mw-parser-output .navbar-ct-mini{font-size:114%;margin:0 4em}html.skin-theme-clientpref-night .mw-parser-output .navbar li a abbr{color:var(--color-base)!important}@media(prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .navbar li a abbr{color:var(--color-base)!important}}@media print{.mw-parser-output .navbar{display:none!important}}</style><div class="navbar plainlinks hlist navbar-mini"><ul><li class="nv-보기"><a href="/wiki/%ED%8B%80:%EC%9D%BC%EB%B0%98%EC%83%81%EB%8C%80%EB%A1%A0" title="틀:일반상대론"><abbr title="이 틀을 보기">v</abbr></a></li><li class="nv-토론"><a href="/w/index.php?title=%ED%8B%80%ED%86%A0%EB%A1%A0:%EC%9D%BC%EB%B0%98%EC%83%81%EB%8C%80%EB%A1%A0&action=edit&redlink=1" class="new" title="틀토론:일반상대론 (없는 문서)"><abbr title="이 틀에 관해 토론하기">t</abbr></a></li><li class="nv-편집"><a href="/wiki/%ED%8A%B9%EC%88%98:%EB%AC%B8%EC%84%9C%ED%8E%B8%EC%A7%91/%ED%8B%80:%EC%9D%BC%EB%B0%98%EC%83%81%EB%8C%80%EB%A1%A0" title="특수:문서편집/틀:일반상대론"><abbr title="이 틀을 편집하기">e</abbr></a></li></ul></div></td></tr></tbody></table> <p><b>블랙홀</b>(<span style="font-size: smaller;"><a href="/wiki/%EC%98%81%EC%96%B4" title="영어">영어</a>: </span><span lang="en">black hole</span>, 黑洞)<sup id="cite_ref-4" class="reference"><a href="#cite_note-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup>은 <a href="/wiki/%EC%A4%91%EC%84%B1%EC%9E%90_%EB%B3%84" class="mw-redirect" title="중성자 별">중성자 별</a>이 되지 못한 <a href="/wiki/%ED%95%AD%EC%84%B1" title="항성">항성</a>이 진화의 최종단계에서 폭발 후 수축되어 생성된 것으로 추측되는, 강력한 <a href="/wiki/%EB%B0%80%EB%8F%84" title="밀도">밀도</a>와 <a href="/wiki/%EC%A4%91%EB%A0%A5" title="중력">중력</a>으로 <a href="/wiki/%EC%A0%84%EC%9E%90%EA%B8%B0_%EB%B3%B5%EC%82%AC" class="mw-redirect" title="전자기 복사">전자기 복사</a>, <a href="/wiki/%EB%B9%9B" title="빛">빛</a>을 포함한 그 무엇도 빠져나올 수 없는 <a href="/wiki/%EC%8B%9C%EA%B3%B5%EA%B0%84" title="시공간">시공간</a> 영역이다.<sup id="cite_ref-5" class="reference"><a href="#cite_note-5"><span class="cite-bracket">[</span>5<span class="cite-bracket">]</span></a></sup> <a href="/wiki/%EC%9D%BC%EB%B0%98_%EC%83%81%EB%8C%80%EC%84%B1%EC%9D%B4%EB%A1%A0" title="일반 상대성이론">일반 상대성이론</a>은 충분히 밀집된 <a href="/wiki/%EC%A7%88%EB%9F%89" title="질량">질량</a>이 시공을 뒤틀어 블랙홀을 형성할 수 있음을 예측한다.<sup id="cite_ref-wald_1997_6-0" class="reference"><a href="#cite_note-wald_1997-6"><span class="cite-bracket">[</span>6<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-NYT-20150608_7-0" class="reference"><a href="#cite_note-NYT-20150608-7"><span class="cite-bracket">[</span>7<span class="cite-bracket">]</span></a></sup> 블랙홀로부터의 탈출이 불가능해지는 경계를 <a href="/wiki/%EC%82%AC%EA%B1%B4%EC%9D%98_%EC%A7%80%ED%8F%89%EC%84%A0" title="사건의 지평선">사건의 지평선</a>(event horizon)이라고 한다. 어떤 물체가 사건의 지평선을 넘어갈 경우, 그 물체에게는 파멸적 영향이 가해지겠지만, 바깥 관찰자에게는 속도가 점점 느려져 그 경계에 영원히 닿지 않는 것처럼 보인다. 블랙홀은 빛을 반사하지 않기에 이상적 <a href="/wiki/%ED%9D%91%EC%B2%B4" title="흑체">흑체</a>처럼 행동한다.<sup id="cite_ref-8" class="reference"><a href="#cite_note-8"><span class="cite-bracket">[</span>8<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-9" class="reference"><a href="#cite_note-9"><span class="cite-bracket">[</span>9<span class="cite-bracket">]</span></a></sup> 또한 <a href="/wiki/%ED%9C%98%EC%96%B4%EC%A7%84_%EC%8B%9C%EA%B3%B5%EA%B0%84%EC%9D%98_%EC%96%91%EC%9E%90%EC%9E%A5%EB%A1%A0" title="휘어진 시공간의 양자장론">휘어진 시공간의 양자장론</a>에 따르면 사건의 지평선은 블랙홀의 질량에 반비례하는 온도를 가진 흑체 같은 스펙트럼의 <a href="/wiki/%EC%97%B4%EB%B3%B5%EC%82%AC" title="열복사">열복사</a>를 방출하며, 이를 <a href="/wiki/%ED%98%B8%ED%82%B9_%EB%B3%B5%EC%82%AC" title="호킹 복사">호킹 복사</a>라고 한다. <a href="/w/index.php?title=%ED%95%AD%EC%84%B1%EC%A7%88%EB%9F%89%EA%B8%89_%EB%B8%94%EB%9E%99%ED%99%80&action=edit&redlink=1" class="new" title="항성질량급 블랙홀 (없는 문서)">항성질량급 블랙홀</a>의 경우 이 온도가 수십억분의 1 켈빈 수준이기에 그 열복사를 관측하는 것은 본질적으로 불가능하다. </p><p><a href="/wiki/%EC%A4%91%EB%A0%A5%EC%9E%A5" title="중력장">중력장</a>이 너무 강해서 빛이 탈출할 수 없는 천체의 개념은 18세기에 <a href="/wiki/%EC%A1%B4_%EB%AF%B8%EC%B2%BC" class="mw-disambig" title="존 미첼">존 미첼</a>과 <a href="/wiki/%ED%94%BC%EC%97%90%EB%A5%B4%EC%8B%9C%EB%AA%BD_%EB%93%9C_%EB%9D%BC%ED%94%8C%EB%9D%BC%EC%8A%A4_%ED%9B%84%EC%9E%91" title="피에르시몽 드 라플라스 후작">피에르시몽 드 라플라스 후작</a>이 처음 생각해냈으며, 블랙홀로 특징지어지는 일반상대론의 최초의 근대적 해는 1916년 <a href="/wiki/%EC%B9%B4%EB%A5%BC_%EC%8A%88%EB%B0%94%EB%A5%B4%EC%B8%A0%EC%8B%A4%ED%8A%B8" title="카를 슈바르츠실트">카를 슈바르츠실트</a>가 발견했다. 다만 아무것도 탈출할 수 없는 공간상의 영역이라는 해석은 1958년 <a href="/w/index.php?title=%EB%8D%B0%EC%9D%B4%EB%B9%84%EB%93%9C_%ED%95%80%EC%BC%88%EC%8A%A4%ED%83%80%EC%9D%B8&action=edit&redlink=1" class="new" title="데이비드 핀켈스타인 (없는 문서)">데이비드 핀켈스타인</a>의 논문에서 처음 등장했다. 블랙홀은 오랫동안 수학적 관심의 대상이 되었다. 1960년대에는 블랙홀이 일반상대론에서 유도됨을 증명하는 이론적 연구들이 행해졌다. <a href="/wiki/%EC%A4%91%EC%84%B1%EC%9E%90%EB%B3%84" title="중성자별">중성자별</a>의 발견은 <a href="/wiki/%EC%A4%91%EB%A0%A5%EB%B6%95%EA%B4%B4" title="중력붕괴">중력붕괴</a>한 밀집성이 천체물리학적 실체로서 존재할 가능성에 대한 관심을 촉발시켰다. </p><p>항성질량급 블랙홀은 매우 질량이 큰 <a href="/wiki/%ED%95%AD%EC%84%B1" title="항성">항성</a>들이 수명이 다했을 때 붕괴하여 만들어지는 것으로 생각된다. 블랙홀은 형성된 뒤에도 주위의 질량을 흡수하여 성장할 수 있다. 다른 항성을 흡수하거나 블랙홀들끼리 융합하면서 수백만 <a href="/wiki/%ED%83%9C%EC%96%91%EC%A7%88%EB%9F%89" title="태양질량"><i>M</i><sub>☉</sub></a>에 달하는 <a href="/wiki/%EC%B4%88%EB%8C%80%EC%A7%88%EB%9F%89_%EB%B8%94%EB%9E%99%ED%99%80" title="초대질량 블랙홀">초대질량 블랙홀</a>이 형성될 수 있으며, 대부분의 <a href="/wiki/%EC%9D%80%ED%95%98" title="은하">은하</a>의 중심에는 초대질량 블랙홀이 존재한다는 것이 과학계의 일반적인 견해이다. </p><p>블랙홀의 안을 들여다볼 수는 없지만, 블랙홀이 다른 <a href="/wiki/%EB%AC%BC%EC%A7%88" title="물질">물질</a>과 상호작용하는 것을 통해 그 성질을 알아낼 수 있다. 블랙홀 위로 낙하한 물질은 <a href="/wiki/%EA%B0%95%EC%B0%A9%EC%9B%90%EB%B0%98" title="강착원반">강착원반</a>을 형성하고, 원반은 마찰열로 인해 뜨거워져 열복사로 빛난다. 우주에서 가장 밝은 천체인 <a href="/wiki/%ED%80%98%EC%9D%B4%EC%82%AC" title="퀘이사">퀘이사</a>는 이러한 과정을 통해 만들어진다. 블랙홀 주위를 공전하는 다른 항성이 있을 경우, 그 궤도를 통해 블랙홀의 질량과 위치를 비정할 수 있다. 이러한 관측을 통해 중성자별을 비롯한 다른 유사 천체들을 제외함으로써 천문학자들은 블랙홀 후보들이 포함된 <a href="/wiki/%EC%8C%8D%EC%84%B1%EA%B3%84" class="mw-redirect" title="쌍성계">쌍성계</a>를 셀 수 없이 많이 발견해냈고, <a href="/wiki/%EC%9A%B0%EB%A6%AC%EC%9D%80%ED%95%98" class="mw-redirect" title="우리은하">우리은하</a> 중심 방향에 존재하는 전파원 <a href="/wiki/%EA%B6%81%EC%88%98%EC%9E%90%EB%A6%AC_A*" title="궁수자리 A*">궁수자리 A*</a>가 4백 3십만 <i>M</i><sub>☉</sub>의 초대질량 블랙홀임을 밝혔다. </p><p>2016년 2월 11일, <a href="/wiki/%EB%A0%88%EC%9D%B4%EC%A0%80_%EA%B0%84%EC%84%AD%EA%B3%84_%EC%A4%91%EB%A0%A5%ED%8C%8C_%EA%B4%80%EC%B8%A1%EC%86%8C" title="레이저 간섭계 중력파 관측소">LIGO</a> 합동연구진은 두 개의 블랙홀이 서로 융합하면서 발생한 <a href="/wiki/%EC%A4%91%EB%A0%A5%ED%8C%8C" title="중력파">중력파</a>를 감지함으로써 역사상 최초의 <a href="/wiki/%EC%A4%91%EB%A0%A5%ED%8C%8C_%EA%B4%80%EC%B8%A1" title="중력파 관측">중력파 관측</a>에 성공했다고 발표했다. 이는 최초의 중력파 관측이며 동시에 최초로 블랙홀 쌍성계 융합이 관측된 사례이기도 하다.<sup id="cite_ref-PRL-20160211_10-0" class="reference"><a href="#cite_note-PRL-20160211-10"><span class="cite-bracket">[</span>10<span class="cite-bracket">]</span></a></sup> </p><p>2019년 4월 10일, 대한민국에서도 <a href="/wiki/%EC%A0%95%ED%83%9C%ED%98%84_(%EC%B2%9C%EB%AC%B8%ED%95%99%EC%9E%90)" title="정태현 (천문학자)">정태현</a> 등 10명의 연구진의 참여한 EHT(사건지평선망원경,<b>EHT</b>·Event Horizon Telescope)연구팀은 <a href="/wiki/%EC%B2%98%EB%85%80%EC%9E%90%EB%A6%AC_A_%EC%9D%80%ED%95%98" title="처녀자리 A 은하">처녀자리 A 은하</a>에서 인류 최초로 찍은 블랙홀의 사진을 공개했다. 전파망원경의 파장을 작게 만들거나 망원경을 크게 만들어 해상도를 높여 촬영할 수 있었다 1.3mm 수준의 작은 전파를 사용해 지구 전역에 흩어진 8대의 전파망원경들을 동시에 써 사실상 지구 크기의 전파망원경을 쓴 것과 같은 효과를 냈다. 연구 결과 사진의 블랙홀은 블랙홀 뒤에서 온 빛이나 주변에서 발생한 빛이 블랙홀의 중력에 의해 휘감겨 형성된 고리 모양의 구조 안쪽에 있는 것으로 나타났다. 이 공간은 내부의 빛이 빠져나오지 못해 형성되어 '블랙홀의 그림자'라고 불린다.<sup id="cite_ref-11" class="reference"><a href="#cite_note-11"><span class="cite-bracket">[</span>11<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-12" class="reference"><a href="#cite_note-12"><span class="cite-bracket">[</span>12<span class="cite-bracket">]</span></a></sup> </p> <style data-mw-deduplicate="TemplateStyles:r38582617">.mw-parser-output #sister-projects-list{text-align:left;background:transparent;margin:1px;display:flex;flex-wrap:wrap}.mw-parser-output #sister-projects-list>div{min-width:16em;white-space:nowrap;margin:0 1px;display:inline-block;flex:1 0 24.5%}.mw-parser-output #sister-projects-list>div>div{display:inline-block;vertical-align:middle;margin:1px 0;padding:4px}.mw-parser-output #sister-projects-list>div>div:first-child{min-width:50px;text-align:center}.mw-parser-output .mw-file-element{background-color:transparent}</style><style data-mw-deduplicate="TemplateStyles:r38501082">.mw-parser-output .side-box{margin:4px 0;box-sizing:border-box;border:1px solid #aaa;font-size:88%;line-height:1.25em;background-color:var(--background-color-interactive-subtle,#f8f9fa);display:flow-root}.mw-parser-output .side-box-abovebelow,.mw-parser-output .side-box-text{padding:0.25em 0.9em}.mw-parser-output .side-box-image{padding:2px 0 2px 0.9em;text-align:center}.mw-parser-output .side-box-imageright{padding:2px 0.9em 2px 0;text-align:center}@media(min-width:500px){.mw-parser-output .side-box-flex{display:flex;align-items:center}.mw-parser-output .side-box-text{flex:1;min-width:0}}@media(min-width:720px){.mw-parser-output .side-box{width:238px}.mw-parser-output .side-box-right{clear:right;float:right;margin-left:1em}.mw-parser-output .side-box-left{margin-right:1em}}</style><div class="side-box metadata side-box-right plainlinks"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r36480595"> <div class="side-box-flex"> <div class="side-box-image"><span typeof="mw:File"><span><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/5/5f/Wiktionary-logo-ko-without-text.svg/40px-Wiktionary-logo-ko-without-text.svg.png" decoding="async" width="40" height="40" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/5/5f/Wiktionary-logo-ko-without-text.svg/60px-Wiktionary-logo-ko-without-text.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/5/5f/Wiktionary-logo-ko-without-text.svg/80px-Wiktionary-logo-ko-without-text.svg.png 2x" data-file-width="391" data-file-height="391" /></span></span></div> <div class="side-box-text plainlist"><b><a href="/wiki/%EC%9C%84%ED%82%A4%EB%82%B1%EB%A7%90%EC%82%AC%EC%A0%84" title="위키낱말사전">위키낱말사전</a></b>에<br />관련된 항목이 있습니다. <div class="plainlinks" style="padding-left:1em;"><b><a href="https://ko.wiktionary.org/wiki/%EB%B8%94%EB%9E%99%ED%99%80" class="extiw" title="wikt:블랙홀">블랙홀</a></b></div></div></div> </div> <meta property="mw:PageProp/toc" /> <div class="mw-heading mw-heading2"><h2 id="역사"><span id=".EC.97.AD.EC.82.AC"></span>역사</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=%EB%B8%94%EB%9E%99%ED%99%80&action=edit&section=1" title="부분 편집: 역사"><span>편집</span></a><span class="mw-editsection-bracket">]</span></span></div> <figure class="mw-default-size" typeof="mw:File/Thumb"><a href="/wiki/%ED%8C%8C%EC%9D%BC:BH_LMC.png" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/5/5e/BH_LMC.png/220px-BH_LMC.png" decoding="async" width="220" height="176" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/5/5e/BH_LMC.png/330px-BH_LMC.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/5/5e/BH_LMC.png/440px-BH_LMC.png 2x" data-file-width="2560" data-file-height="2048" /></a><figcaption><a href="/wiki/%EB%8C%80%EB%A7%88%EC%A0%A4%EB%9E%80%EC%9A%B4" class="mw-redirect" title="대마젤란운">대마젤란운</a> 앞에 블랙홀이 있을 경우를 시뮬레이션한 사진. <a href="/wiki/%EC%A4%91%EB%A0%A5%EB%A0%8C%EC%A6%88" title="중력렌즈">중력렌즈</a> 효과로 대마젤란운이 두 개의 확대된, 그러나 매우 왜곡된 상으로 보이게 됨에 주목. 위쪽에 보이는 호선은 <a href="/wiki/%EC%9A%B0%EB%A6%AC%EC%9D%80%ED%95%98" class="mw-redirect" title="우리은하">우리은하</a> 원반이 마찬가지로 왜곡된 것이다.</figcaption></figure> <p>질량이 너무 커서 빛조차 탈출할 수 없는 존재에 대한 개념은 <a href="/wiki/%EC%A1%B4_%EB%AF%B8%EC%B2%BC" class="mw-disambig" title="존 미첼">존 미첼</a>이 1783년 <a href="/wiki/%EC%99%95%EB%A6%BD%ED%95%99%ED%9A%8C" title="왕립학회">왕립학회</a>의 <a href="/wiki/%ED%97%A8%EB%A6%AC_%EC%BA%90%EB%B2%88%EB%94%94%EC%8B%9C" title="헨리 캐번디시">헨리 캐번디시</a>에게 쓴 서한에서 처음 발견된다. </p> <table align="center" style="border-collapse:collapse; border-style:none; background-color:transparent;"> <tbody><tr> <td style="color:#90B5F0; width: 20px; vertical-align: top; font-size:40px;font-family:Georgia;font-weight:bold;text-align:left;">“ </td> <td style="padding:10px; vertical-align: top; color: var(--color-base);">만약 태양과 같은 밀도를 가진 어떤 구체의 반지름이 태양의 500분의 1로 줄어든다면, 무한한 높이에서 그 구체로 낙하하는 물체는 표면에서 빛의 속도보다 빠른 속도를 얻게 될 것입니다. 따라서 빛이 다른 물체들과 마찬가지로 관성량에 비례하는 인력을 받게 된다면, 그러한 구체에서 방출되는 모든 빛은 구체의 자체 중력으로 인해 구체로 되돌아가게 될 것입니다. </td> <td style="color:#A0B7F2; width: 20px; vertical-align: bottom; font-size:40px;font-family:Georgia;font-weight:bold;text-align:right;">” </td></tr> <tr> <td>  </td> <td valign="top"><div style="line-height:1em;text-align: right"><cite style="font-style: normal; color: var(--color-base);">— <sup id="cite_ref-Michell1784_13-0" class="reference"><a href="#cite_note-Michell1784-13"><span class="cite-bracket">[</span>13<span class="cite-bracket">]</span></a></sup></cite></div> </td></tr></tbody></table><p> 1796년, 수학자 <a href="/wiki/%ED%94%BC%EC%97%90%EB%A5%B4%EC%8B%9C%EB%AA%BD_%EB%93%9C_%EB%9D%BC%ED%94%8C%EB%9D%BC%EC%8A%A4_%ED%9B%84%EC%9E%91" title="피에르시몽 드 라플라스 후작">피에르시몽 드 라플라스 후작</a>이 저서 《우주체계 해설》 제1판과 제2판에서 같은 개념을 이야기했다(제3판 이후로는 관련 내용이 삭제되었다).<sup id="cite_ref-14" class="reference"><a href="#cite_note-14"><span class="cite-bracket">[</span>14<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-15" class="reference"><a href="#cite_note-15"><span class="cite-bracket">[</span>15<span class="cite-bracket">]</span></a></sup> 이러한 “<a href="/wiki/%EC%96%B4%EB%91%91%EB%B3%84" title="어둑별">어둑별</a>” 개념은 19세기 이전까지 거의 무시되었는데, 질량이 없는 파동인 빛이 중력의 영향을 받을 것이라고는 생각하기 힘들었기 때문이다.<sup id="cite_ref-16" class="reference"><a href="#cite_note-16"><span class="cite-bracket">[</span>16<span class="cite-bracket">]</span></a></sup> </p><div class="mw-heading mw-heading3"><h3 id="일반상대성이론"><span id=".EC.9D.BC.EB.B0.98.EC.83.81.EB.8C.80.EC.84.B1.EC.9D.B4.EB.A1.A0"></span>일반상대성이론</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=%EB%B8%94%EB%9E%99%ED%99%80&action=edit&section=2" title="부분 편집: 일반상대성이론"><span>편집</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>1915년, <a href="/wiki/%EC%95%8C%EB%B2%A0%EB%A5%B4%ED%8A%B8_%EC%95%84%EC%9D%B8%EC%8A%88%ED%83%80%EC%9D%B8" title="알베르트 아인슈타인">알베르트 아인슈타인</a>이 <a href="/wiki/%EC%9D%BC%EB%B0%98%EC%83%81%EB%8C%80%EB%A1%A0" class="mw-redirect" title="일반상대론">일반상대성이론</a>을 고안하여 중력이 빛의 운동에 영향을 미침을 보였다. 불과 몇 개월 뒤, <a href="/wiki/%EC%B9%B4%EB%A5%BC_%EC%8A%88%EB%B0%94%EB%A5%B4%EC%B8%A0%EC%8B%A4%ED%8A%B8" title="카를 슈바르츠실트">카를 슈바르츠실트</a>가 <a href="/w/index.php?title=%EC%A0%90%EC%A7%88%EB%9F%89&action=edit&redlink=1" class="new" title="점질량 (없는 문서)">점질량</a>과 구질량의 <a href="/wiki/%EC%A4%91%EB%A0%A5%EC%9E%A5" title="중력장">중력장</a>을 기술하는 <a href="/wiki/%EC%95%84%EC%9D%B8%EC%8A%88%ED%83%80%EC%9D%B8_%EB%B0%A9%EC%A0%95%EC%8B%9D" title="아인슈타인 방정식">아인슈타인 방정식</a>의 해를 구하였다(<a href="/wiki/%EC%8A%88%EB%B0%94%EB%A5%B4%EC%B8%A0%EC%8B%A4%ED%8A%B8_%EA%B3%84%EB%9F%89" title="슈바르츠실트 계량">슈바르츠실트 계량</a>).<sup id="cite_ref-Schwarzschild1916_17-0" class="reference"><a href="#cite_note-Schwarzschild1916-17"><span class="cite-bracket">[</span>17<span class="cite-bracket">]</span></a></sup> 슈바르츠실트로부터 또 몇 개월 뒤, <a href="/wiki/%ED%97%A8%EB%93%9C%EB%A6%AD_%EB%A1%9C%EB%9F%B0%EC%B8%A0" title="헨드릭 로런츠">헨드릭 로런츠</a>의 지도학생인 요하네스 드로스터가 슈바르츠실트와 독립적으로 점질량에 대한 동일한 해를 구하였고, 그 성질을 보다 광범하게 기술하였다.<sup id="cite_ref-18" class="reference"><a href="#cite_note-18"><span class="cite-bracket">[</span>18<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-19" class="reference"><a href="#cite_note-19"><span class="cite-bracket">[</span>19<span class="cite-bracket">]</span></a></sup> 이 해는 아인슈타인 방정식의 일부 항이 무한대가 되는 <a href="/wiki/%EC%A4%91%EB%A0%A5_%ED%8A%B9%EC%9D%B4%EC%A0%90" title="중력 특이점">중력 특이점</a>을 가지는 특이행동을 보이는데, 이것을 오늘날 <a href="/wiki/%EC%8A%88%EB%B0%94%EB%A5%B4%EC%B8%A0%EC%8B%A4%ED%8A%B8_%EB%B0%98%EA%B2%BD" class="mw-redirect" title="슈바르츠실트 반경">슈바르츠실트 반경</a>이라고 부른다. 이때까지만 해도 이 표면의 성질은 확실하게 이해되지 않았다. 1924년, <a href="/wiki/%EC%95%84%EC%84%9C_%EC%8A%A4%ED%83%A0%EB%A6%AC_%EC%97%90%EB%94%A9%ED%84%B4" title="아서 스탠리 에딩턴">아서 스탠리 에딩턴</a>이 좌표계의 수정을 통해(<a href="/w/index.php?title=%EC%97%90%EB%94%A9%ED%84%B4-%ED%95%80%EC%BC%88%EC%8A%A4%ED%83%80%EC%9D%B8_%EC%A2%8C%ED%91%9C%EA%B3%84&action=edit&redlink=1" class="new" title="에딩턴-핀켈스타인 좌표계 (없는 문서)">에딩턴-핀켈스타인 좌표계</a>) 중력 특이점을 없앨 수 있음을 보였으나, 슈바르츠실트 반경의 특이점이 비물리적 <a href="/w/index.php?title=%EC%A2%8C%ED%91%9C_%ED%8A%B9%EC%9D%B4%EC%A0%90&action=edit&redlink=1" class="new" title="좌표 특이점 (없는 문서)">좌표 특이점</a>이라는 것을 의미한다는 것은 1933년에야 <a href="/wiki/%EC%A1%B0%EB%A5%B4%EC%A3%BC_%EB%A5%B4%EB%A9%94%ED%8A%B8%EB%A5%B4" title="조르주 르메트르">조르주 르메트르</a>가 밝혀내었다.<sup id="cite_ref-HooftHist_20-0" class="reference"><a href="#cite_note-HooftHist-20"><span class="cite-bracket">[</span>20<span class="cite-bracket">]</span></a></sup> 한편 아서 에딩턴은 1926년 저서에서 어떤 별이 슈바르츠실트 반경 이하의 크기로 짜부라들 가능성에 대하여 다음과 같이 논하였다. 아인슈타인의 이론은 <a href="/wiki/%EB%B2%A0%ED%85%94%EA%B2%8C%EC%9A%B0%EC%8A%A4" title="베텔게우스">베텔게우스</a> 같은 거대한 별들이 무지막지한 밀도를 가지는 것을 불가능하게 한다. 이유인즉 “반경 2억 5천만 킬로미터의 항성은 태양만큼 높은 밀도를 가질 수 없다. 우선 중력이 너무 커져서 빛이 그 별에서 탈출할 수 없을 것이며, 마치 지구로 되떨어지는 돌처럼 빛살이 별로 되떨어지게 될 것이다. 둘째로 스펙트럼선의 적색편이가 너무 커서 스펙트럼이 소멸할 지경으로 편이할 것이다. 셋째로 질량이 너무 큰 만큼 시공간에 대한 왜곡도 크게 발생하여 공간이 별을 아물어 숨겨 버릴 것이다."<sup id="cite_ref-eddington1926_21-0" class="reference"><a href="#cite_note-eddington1926-21"><span class="cite-bracket">[</span>21<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-22" class="reference"><a href="#cite_note-22"><span class="cite-bracket">[</span>22<span class="cite-bracket">]</span></a></sup> </p><p>1931년, <a href="/wiki/%EC%88%98%EB%B8%8C%EB%9D%BC%EB%A7%88%EB%8B%88%EC%95%88_%EC%B0%AC%EB%93%9C%EB%9D%BC%EC%84%B8%EC%B9%B4%EB%A5%B4" title="수브라마니안 찬드라세카르">수브라마니안 찬드라세카르</a>는 특수상대론을 이용하여 <a href="/wiki/%EC%B6%95%ED%87%B4%EB%AC%BC%EC%A7%88" title="축퇴물질">전자축퇴물질</a>로 이루어진 회전하지 않는 천체는 특정 임계 질량(<a href="/wiki/%EC%B0%AC%EB%93%9C%EB%9D%BC%EC%84%B8%EC%B9%B4%EB%A5%B4_%ED%95%9C%EA%B3%84" title="찬드라세카르 한계">찬드라세카르 한계</a>. 1.4 <i>M</i><sub>☉</sub>)을 넘어서면 안정적인 해가 존재할 수 없음을 보였다.<sup id="cite_ref-venkataraman92_23-0" class="reference"><a href="#cite_note-venkataraman92-23"><span class="cite-bracket">[</span>23<span class="cite-bracket">]</span></a></sup> 그러나 에딩턴, <a href="/wiki/%EB%A0%88%ED%94%84_%EB%9E%80%EB%8B%A4%EC%9A%B0" title="레프 란다우">란다우</a>를 비롯한 당대의 학자들은 아직 밝혀지지 않은 과정이 붕괴를 막을 수 있다는 이유로 찬드라세카르의 주장을 반대했다.<sup id="cite_ref-24" class="reference"><a href="#cite_note-24"><span class="cite-bracket">[</span>24<span class="cite-bracket">]</span></a></sup> 이들 기성 학자들의 주장은 부분적으로는 옳았다. 찬드라세카르 한계를 넘어서는 <a href="/wiki/%EB%B0%B1%EC%83%89%EC%99%9C%EC%84%B1" title="백색왜성">백색왜성</a>(전자축퇴압으로 형태를 유지)은 붕괴를 일으켜 <a href="/wiki/%EC%A4%91%EC%84%B1%EC%9E%90%EB%B3%84" title="중성자별">중성자별</a>(중성자축퇴압으로 형태를 유지)이 되며,<sup id="cite_ref-25" class="reference"><a href="#cite_note-25"><span class="cite-bracket">[</span>25<span class="cite-bracket">]</span></a></sup> <a href="/wiki/%ED%8C%8C%EC%9A%B8%EB%A6%AC_%EB%B0%B0%ED%83%80_%EC%9B%90%EB%A6%AC" title="파울리 배타 원리">파울리 배타 원리</a>에 의해 안정해진다. 그러나 1939년, <a href="/wiki/%EB%A1%9C%EB%B2%84%ED%8A%B8_%EC%98%A4%ED%8E%9C%ED%95%98%EC%9D%B4%EB%A8%B8" class="mw-redirect" title="로버트 오펜하이머">로버트 오펜하이머</a> 등은 질량 3 <i>M</i><sub>☉</sub>(<a href="/w/index.php?title=%ED%86%A8%EB%A8%BC%E2%80%93%EC%98%A4%ED%8E%9C%ED%95%98%EC%9D%B4%EB%A8%B8%E2%80%93%EB%B3%BC%EC%BD%94%ED%94%84_%ED%95%9C%EA%B3%84&action=edit&redlink=1" class="new" title="톨먼–오펜하이머–볼코프 한계 (없는 문서)">톨먼–오펜하이머–볼코프 한계</a>)를 넘어서는 중성자별은 찬드라세카르 한계와 같은 이유로 붕괴하게 됨을 보였으며, 어떤 물리 법칙으로도 일부 별이 블랙홀의 지경까지 붕괴하는 것을 막을 수는 없을 것이라 결론 내린다.<sup id="cite_ref-OV1939_26-0" class="reference"><a href="#cite_note-OV1939-26"><span class="cite-bracket">[</span>26<span class="cite-bracket">]</span></a></sup> </p><p>오펜하이머와 그의 공저자들은 슈바르츠실트 반경 경계에서 발생하는 특이점을 시간이 멈추는 거품의 경계라고 해석했다. 이것은 블랙홀 외부의 관찰자들이 보기에는 타당한 해석이지만(블랙홀 밖에서 보기에는 블랙홀 안으로 떨어지는 물체가 점점 느려지는 것처럼 보인다) 블랙홀 안으로 떨어지고 있는 관찰자에게는 적용되지 않는다. 이 성질 때문에 중성자별이 재차 붕괴한 밀집성을 "결빙성(frozen stars)"이라고 불렀는데,<sup id="cite_ref-27" class="reference"><a href="#cite_note-27"><span class="cite-bracket">[</span>27<span class="cite-bracket">]</span></a></sup> 외부 관찰자가 보기에 별의 표면이 별이 슈바르츠실트 반경 이하로 붕괴하는 순간 이후 변화 없이 "얼어붙어" 버린 것처럼 보이게 될 것이기 때문이다. </p> <div class="mw-heading mw-heading3"><h3 id="황금시대"><span id=".ED.99.A9.EA.B8.88.EC.8B.9C.EB.8C.80"></span>황금시대</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=%EB%B8%94%EB%9E%99%ED%99%80&action=edit&section=3" title="부분 편집: 황금시대"><span>편집</span></a><span class="mw-editsection-bracket">]</span></span></div> <style data-mw-deduplicate="TemplateStyles:r34311305">.mw-parser-output .hatnote{}.mw-parser-output div.hatnote{padding-left:1.6em;margin-bottom:0.5em}.mw-parser-output .hatnote i{font-style:normal}.mw-parser-output .hatnote+link+.hatnote{margin-top:-0.5em}</style><div role="note" class="hatnote navigation-not-searchable"><span typeof="mw:File"><span><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/5/52/Icons8_flat_search.svg/18px-Icons8_flat_search.svg.png" decoding="async" width="18" height="18" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/5/52/Icons8_flat_search.svg/27px-Icons8_flat_search.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/5/52/Icons8_flat_search.svg/36px-Icons8_flat_search.svg.png 2x" data-file-width="512" data-file-height="512" /></span></span> 이 부분의 본문은 <a href="/w/index.php?title=%EC%9D%BC%EB%B0%98%EC%83%81%EB%8C%80%EB%A1%A0%EC%9D%98_%ED%99%A9%EA%B8%88%EC%8B%9C%EB%8C%80&action=edit&redlink=1" class="new" title="일반상대론의 황금시대 (없는 문서)">일반상대론의 황금시대</a>입니다.</div> <p>1958년, <a href="/w/index.php?title=%EB%8D%B0%EC%9D%B4%EB%B9%84%EB%93%9C_%ED%95%80%EC%BC%88%EC%8A%A4%ED%83%80%EC%9D%B8&action=edit&redlink=1" class="new" title="데이비드 핀켈스타인 (없는 문서)">데이비드 핀켈스타인</a>은 슈바르츠실트 표면을 “인과 관계가 오직 한 방향으로만 가로지를 수 있는 완벽한 단향성 막”이라고 <a href="/wiki/%EC%82%AC%EA%B1%B4%EC%9D%98_%EC%A7%80%ED%8F%89%EC%84%A0" title="사건의 지평선">사건의 지평선</a>을 규정하였다.<sup id="cite_ref-28" class="reference"><a href="#cite_note-28"><span class="cite-bracket">[</span>28<span class="cite-bracket">]</span></a></sup> 이러한 해석은 오펜하이머의 결과와 엄밀하게 배치되는 것은 아니었으나, 블랙홀 안으로 낙하하는 관찰자의 관점까지 이론이 포함하게 만들었다. 핀켈스타인의 해(<a href="/w/index.php?title=%EC%97%90%EB%94%A9%ED%84%B4%E2%80%93%ED%95%80%EC%BC%88%EC%8A%A4%ED%83%80%EC%9D%B8_%EC%A2%8C%ED%91%9C%EA%B3%84&action=edit&redlink=1" class="new" title="에딩턴–핀켈스타인 좌표계 (없는 문서)">에딩턴–핀켈스타인 좌표계</a>)는 슈바르츠실트의 해를 확장하여 블랙홀 안으로 낙하하는 관찰자의 미래까지 예측할 수 있도록 했다. <a href="/wiki/%EB%A7%88%ED%8B%B4_%ED%81%AC%EB%9F%AC%EC%8A%A4%EC%BB%AC" title="마틴 크러스컬">마틴 크러스컬</a>이 그에 관한 완전한 확장해를 구했다(<a href="/w/index.php?title=%ED%81%AC%EB%9F%AC%EC%8A%A4%EC%BB%AC%E2%80%93%EC%84%B8%EC%BC%80%EB%A0%88%EC%8B%9C_%EC%A2%8C%ED%91%9C%EA%B3%84&action=edit&redlink=1" class="new" title="크러스컬–세케레시 좌표계 (없는 문서)">크러스컬–세케레시 좌표계</a>).<sup id="cite_ref-29" class="reference"><a href="#cite_note-29"><span class="cite-bracket">[</span>29<span class="cite-bracket">]</span></a></sup> </p><p>이러한 연구결과는 일반상대론과 블랙홀이 과학계의 주류 연구대상으로 부상하게 되는 소위 <a href="/w/index.php?title=%EC%9D%BC%EB%B0%98%EC%83%81%EB%8C%80%EB%A1%A0%EC%9D%98_%ED%99%A9%EA%B8%88%EC%8B%9C%EB%8C%80&action=edit&redlink=1" class="new" title="일반상대론의 황금시대 (없는 문서)">일반상대론의 황금시대</a>의 서막을 열었다. 1967년 <a href="/wiki/%EB%A7%A5%EB%8F%99%EC%A0%84%ED%8C%8C%EC%9B%90" class="mw-redirect" title="맥동전파원">맥동전파원</a>(펄서)이 발견되고,<sup id="cite_ref-30" class="reference"><a href="#cite_note-30"><span class="cite-bracket">[</span>30<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-31" class="reference"><a href="#cite_note-31"><span class="cite-bracket">[</span>31<span class="cite-bracket">]</span></a></sup> 2년 뒤인 1969년 그 정체가 빠르게 회전하는 <a href="/wiki/%EC%A4%91%EC%84%B1%EC%9E%90%EB%B3%84" title="중성자별">중성자별</a>임이 밝혀진 것은 이러한 조류를 더욱 가속화시켰다.<sup id="cite_ref-araa8_265_32-0" class="reference"><a href="#cite_note-araa8_265-32"><span class="cite-bracket">[</span>32<span class="cite-bracket">]</span></a></sup> 펄서가 발견되기 전까지만 해도 중성자별은 블랙홀과 마찬가지로 가설상의 천체로 취급되었다. 그러나 펄서가 발견됨으로써 중력붕괴로 만들어지는 다른 밀집천체들이 존재할 가능성에 대한 관심도 크게 높아졌다. </p><p>일반상대론의 황금시대에는 블랙홀의 해들이 더욱 많이 발견되었다. 1963년, <a href="/wiki/%EB%A1%9C%EC%9D%B4_%EC%BB%A4" title="로이 커">로이 커</a>가 <a href="/wiki/%EC%BB%A4_%EB%B8%94%EB%9E%99%ED%99%80" title="커 블랙홀">회전하는 블랙홀</a>의 해를 구했다(<a href="/wiki/%EC%BB%A4_%EA%B3%84%EB%9F%89" title="커 계량">커 계량</a>). 2년 뒤에는 <a href="/w/index.php?title=%EC%97%90%EC%A6%88%EB%9D%BC_%EB%89%B4%EB%A8%BC&action=edit&redlink=1" class="new" title="에즈라 뉴먼 (없는 문서)">에즈라 뉴먼</a>이 회전하는 동시에 또한 <a href="/wiki/%EC%A0%84%ED%95%98" title="전하">전하</a>를 지닌 블랙홀의 <a href="/wiki/%EC%84%A0%EB%8C%80%EC%B9%AD" title="선대칭">선대칭</a>해를 구했다.<sup id="cite_ref-33" class="reference"><a href="#cite_note-33"><span class="cite-bracket">[</span>33<span class="cite-bracket">]</span></a></sup> 이후 <a href="/w/index.php?title=%EB%B2%A0%EB%A5%B4%EB%84%88_%EC%9D%B4%EC%8A%A4%EB%9D%BC%EC%97%98&action=edit&redlink=1" class="new" title="베르너 이스라엘 (없는 문서)">베르너 이스라엘</a>,<sup id="cite_ref-34" class="reference"><a href="#cite_note-34"><span class="cite-bracket">[</span>34<span class="cite-bracket">]</span></a></sup> <a href="/w/index.php?title=%EB%B8%8C%EB%9E%9C%EB%93%A0_%EC%B9%B4%ED%84%B0&action=edit&redlink=1" class="new" title="브랜든 카터 (없는 문서)">브랜든 카터</a>,<sup id="cite_ref-35" class="reference"><a href="#cite_note-35"><span class="cite-bracket">[</span>35<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-36" class="reference"><a href="#cite_note-36"><span class="cite-bracket">[</span>36<span class="cite-bracket">]</span></a></sup> 데이비드 로빈슨<sup id="cite_ref-37" class="reference"><a href="#cite_note-37"><span class="cite-bracket">[</span>37<span class="cite-bracket">]</span></a></sup>의 연구를 통해 <a href="/wiki/%EB%AC%B4%EB%AA%A8_%EC%A0%95%EB%A6%AC" class="mw-redirect" title="무모 정리">무모 정리</a>가 정립되었다. 무모 정리란 블랙홀의 해는 <a href="/wiki/%EC%BB%A4%E2%80%93%EB%89%B4%EB%A8%BC_%EA%B3%84%EB%9F%89" class="mw-redirect" title="커–뉴먼 계량">커–뉴먼 계량</a>의 세 가지 변수, 즉 <a href="/wiki/%EC%A7%88%EB%9F%89" title="질량">질량</a>·<a href="/wiki/%EA%B0%81%EC%9A%B4%EB%8F%99%EB%9F%89" title="각운동량">각운동량</a>·<a href="/wiki/%EC%A0%84%ED%95%98" title="전하">전하</a>에 의해서만 결정되고 그 이외의 “털은 블랙홀에 없다”는 것을 의미한다.<sup id="cite_ref-HeuslerNoHair_38-0" class="reference"><a href="#cite_note-HeuslerNoHair-38"><span class="cite-bracket">[</span>38<span class="cite-bracket">]</span></a></sup> </p><p>처음에는 블랙홀의 괴이한 특징들은 대칭성을 가정한 결과 발생하는 비정상적 요소이며, 일반적 상황에서는 <a href="/wiki/%EC%A4%91%EB%A0%A5_%ED%8A%B9%EC%9D%B4%EC%A0%90" title="중력 특이점">중력 특이점</a>이 발생하지 않을 것이라고 추측되었다. 이러한 관점을 옹호한 학자로는 <a href="/w/index.php?title=%EB%B8%94%EB%9D%BC%EB%94%94%EB%AF%B8%EB%A5%B4_%EB%B2%A8%EB%A6%B0%EC%8A%A4%ED%82%A4&action=edit&redlink=1" class="new" title="블라디미르 벨린스키 (없는 문서)">블라디미르 벨린스키</a>, <a href="/w/index.php?title=%EC%95%84%EC%9D%B4%EC%9E%91_%EC%B9%BC%EB%9D%BC%ED%8A%B8%EB%8B%88%EC%BD%94%ED%94%84&action=edit&redlink=1" class="new" title="아이작 칼라트니코프 (없는 문서)">아이작 칼라트니코프</a>, <a href="/w/index.php?title=%EC%97%90%EB%B8%8C%EA%B2%8C%EB%8B%88_%EB%A6%AC%ED%94%84%EC%89%AC%EC%B8%A0&action=edit&redlink=1" class="new" title="에브게니 리프쉬츠 (없는 문서)">에브게니 리프쉬츠</a>가 있다. 이들은 일반해에서 <a href="/wiki/%EC%A4%91%EB%A0%A5_%ED%8A%B9%EC%9D%B4%EC%A0%90" title="중력 특이점">중력 특이점</a>이 존재하지 않음을 보이려고 시도했다. 그러나 1960년대 말, <a href="/wiki/%EB%A1%9C%EC%A0%80_%ED%8E%9C%EB%A1%9C%EC%A6%88" title="로저 펜로즈">로저 펜로즈</a>가<sup id="cite_ref-penrose1965_39-0" class="reference"><a href="#cite_note-penrose1965-39"><span class="cite-bracket">[</span>39<span class="cite-bracket">]</span></a></sup><a href="/wiki/%EC%A4%91%EB%A0%A5_%ED%8A%B9%EC%9D%B4%EC%A0%90" title="중력 특이점">중력 특이점</a>이 일반상대론에서 일반적으로 나타난다는 것을 밝혀냈으며, 스티븐 호킹은 펜로즈 특이점 정리를 빅뱅에 적용하여 빅뱅에서도 중력 특이점이 나타남을 보였다.<sup id="cite_ref-40" class="reference"><a href="#cite_note-40"><span class="cite-bracket">[</span>40<span class="cite-bracket">]</span></a></sup> </p><p><a href="/w/index.php?title=%EC%A0%9C%EC%9E%84%EC%8A%A4_%EB%B0%94%EB%94%98&action=edit&redlink=1" class="new" title="제임스 바딘 (없는 문서)">제임스 바딘</a>, <a href="/w/index.php?title=%EC%95%BC%EC%BD%94%ED%94%84_%EB%B2%A0%EC%BC%84%EC%8A%88%ED%83%80%EC%9D%B8&action=edit&redlink=1" class="new" title="야코프 베켄슈타인 (없는 문서)">야코프 베켄슈타인</a>, 브랜든 카터, 스티븐 호킹은 1970년대 초에 진행한 연구를 통해 <a href="/wiki/%EB%B8%94%EB%9E%99%ED%99%80_%EC%97%B4%EC%97%AD%ED%95%99" title="블랙홀 열역학">블랙홀 열역학</a>이란 학문을 정립하였다.<sup id="cite_ref-41" class="reference"><a href="#cite_note-41"><span class="cite-bracket">[</span>41<span class="cite-bracket">]</span></a></sup> 블랙홀 열역학에서는 블랙홀의 성질이 그 질량을 에너지로, 크기를 <a href="/wiki/%EC%97%94%ED%8A%B8%EB%A1%9C%ED%94%BC" title="엔트로피">엔트로피</a>로, <a href="/wiki/%ED%91%9C%EB%A9%B4%EC%A4%91%EB%A0%A5" title="표면중력">표면중력</a>을 <a href="/wiki/%EC%98%A8%EB%8F%84" title="온도">온도</a>로 치환시키면 <a href="/wiki/%EC%97%B4%EC%97%AD%ED%95%99_%EB%B2%95%EC%B9%99" title="열역학 법칙">열역학 법칙</a>과 매우 유사해짐을 보였다. 1974년 호킹이 <a href="/wiki/%EC%96%91%EC%9E%90%EC%9E%A5%EB%A1%A0" title="양자장론">양자장론</a>에 따르면 블랙홀은 그 표면중력에 비례하는 온도의 <a href="/wiki/%ED%9D%91%EC%B2%B4" title="흑체">흑체</a>와 같은 복사를 내보낸다는 것을 예측함으로써 블랙홀의 열역학적 설명은 완성되었다.<sup id="cite_ref-Hawking1974_42-0" class="reference"><a href="#cite_note-Hawking1974-42"><span class="cite-bracket">[</span>42<span class="cite-bracket">]</span></a></sup> </p><p>기자 앤 어윙(Ann Ewing)이 <a href="/w/index.php?title=%EB%AF%B8%EA%B5%AD%EA%B3%BC%ED%95%99%EC%A7%84%ED%9D%A5%ED%98%91%ED%9A%8C&action=edit&redlink=1" class="new" title="미국과학진흥협회 (없는 문서)">미국과학진흥협회</a> 회의를 참관한 1964년 1월 18일자 기사 제목을 〈우주의 ‘검은 구멍’들〉("‘Black Holes’ in Space")이라고 붙인 것이 ‘블랙홀’이라는 용어가 지면상에 사용된 최초의 사례이다.<sup id="cite_ref-43" class="reference"><a href="#cite_note-43"><span class="cite-bracket">[</span>43<span class="cite-bracket">]</span></a></sup> 이후 1967년에 <a href="/wiki/%EC%A1%B4_%EC%95%84%EC%B9%98%EB%B3%BC%EB%93%9C_%ED%9C%A0%EB%9F%AC" title="존 아치볼드 휠러">존 아치볼드 휠러</a>가 강의에서 ‘블랙홀’이라는 말을 사용하여 일부에서는 휠러가 이 말을 고안했다고 보기도 한다. 휠러가 블랙홀이라는 말을 사용한 이후 블랙홀이라는 용어는 빠르게 확산되어 일반적으로 사용되었다. </p> <div class="mw-heading mw-heading2"><h2 id="성질과_구조"><span id=".EC.84.B1.EC.A7.88.EA.B3.BC_.EA.B5.AC.EC.A1.B0"></span>성질과 구조</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=%EB%B8%94%EB%9E%99%ED%99%80&action=edit&section=4" title="부분 편집: 성질과 구조"><span>편집</span></a><span class="mw-editsection-bracket">]</span></span></div> <p><a href="/wiki/%ED%84%B8%EC%97%86%EC%9D%8C_%EC%A0%95%EB%A6%AC" title="털없음 정리">털없음 정리</a>에 따르면, 블랙홀은 형성된 이후 안정된 상태에 도달하면 오로지 세 개의 독립적인 물리량, 즉 <a href="/wiki/%EC%A7%88%EB%9F%89" title="질량">질량</a>·<a href="/wiki/%EC%A0%84%ED%95%98" title="전하">전하</a>·<a href="/wiki/%EA%B0%81%EC%9A%B4%EB%8F%99%EB%9F%89" title="각운동량">각운동량</a> 만을 갖게 된다.<sup id="cite_ref-HeuslerNoHair_38-1" class="reference"><a href="#cite_note-HeuslerNoHair-38"><span class="cite-bracket">[</span>38<span class="cite-bracket">]</span></a></sup> 이 물리량 또는 변수들이 동일한 두 개의 블랙홀은 <a href="/wiki/%EA%B3%A0%EC%A0%84%EC%97%AD%ED%95%99" title="고전역학">고전역학</a>(i.e. 비<a href="/wiki/%EC%96%91%EC%9E%90%EC%97%AD%ED%95%99" title="양자역학">양자역학</a>)을 통해 구분하는 것이 불가능하다. </p><p>이 성질은 블랙홀 바깥에서 볼 수 있다는 점에서 매우 특별하다. 예컨대 대전된 블랙홀은 다른 대전된 물체처럼 척력을 발생시킨다. 질량의 경우, 블랙홀을 포함하고 있는 구 안의 질량은 <a href="/wiki/%EA%B0%80%EC%9A%B0%EC%8A%A4_%EB%B2%95%EC%B9%99" title="가우스 법칙">가우스 법칙</a>의 중력적 상사형인 <a href="/wiki/ADM_%ED%98%95%EC%8B%9D" title="ADM 형식">ADM 질량</a>을 통해 블랙홀에서 멀리 떨어져서도 알아낼 수 있다.<sup id="cite_ref-44" class="reference"><a href="#cite_note-44"><span class="cite-bracket">[</span>44<span class="cite-bracket">]</span></a></sup> 또한 각운동량은 <a href="/wiki/%EC%A4%91%EB%A0%A5_%EC%9E%90%EC%84%B1" title="중력 자성">중력 자성</a>에 의한 <a href="/wiki/%ED%8B%80_%EB%81%8C%EB%A6%BC" title="틀 끌림">틀 끌림</a>을 통해 블랙홀에서 멀리 떨어져서 알아낼 수 있다. </p><p>어느 물체가 블랙홀을 향해 낙하하면, 그 물체의 모양이나 그 물체에 분포하고 있는 전하에 대한 <a href="/w/index.php?title=%EB%AC%BC%EB%A6%AC%EC%A0%81_%EC%A0%95%EB%B3%B4&action=edit&redlink=1" class="new" title="물리적 정보 (없는 문서)">정보</a>가 블랙홀의 지평선을 따라 균등하게 분산되면서 블랙홀 바깥의 관찰자에게는 그 정보가 소실된다. 이 상황에서 지평선의 양태는 마치 마찰과 <a href="/wiki/%EC%A0%84%EA%B8%B0%EC%A0%80%ED%95%AD" title="전기저항">전기저항</a>이 있는, 신축성과 전도성을 가진 막과 매우 유사한 <a href="/w/index.php?title=%EC%82%B0%EC%9D%BC%EA%B5%AC%EC%A1%B0&action=edit&redlink=1" class="new" title="산일구조 (없는 문서)">산일구조</a>가 된다(<a href="/w/index.php?title=%EB%A7%89_%ED%8C%A8%EB%9F%AC%EB%8B%A4%EC%9E%84&action=edit&redlink=1" class="new" title="막 패러다임 (없는 문서)">막 패러다임</a>).<sup id="cite_ref-45" class="reference"><a href="#cite_note-45"><span class="cite-bracket">[</span>45<span class="cite-bracket">]</span></a></sup> 이는 <a href="/wiki/%EC%8B%9C%EA%B0%84_%EC%97%AD%EC%A0%84_%EB%8C%80%EC%B9%AD" title="시간 역전 대칭">시간 가역성</a>을 갖기에 미시적 수준에서 마찰이나 저항을 가지지 않는 전자기장 따위의 다른 <a href="/wiki/%EC%9E%A5_%EC%9D%B4%EB%A1%A0" class="mw-disambig" title="장 이론">장 이론</a>과 구분되는 지점이다. 블랙홀은 오직 세 개의 변수에 의해 안정적 상태에 도달하기 때문에, 블랙홀 안에서 최초 상태에 관한 정보를 소실하지 않을 수 있는 방법은 없다. 블랙홀의 중력장과 전기장은 그 안으로 들어간 것에 대한 정보를 거의 제공하지 않는다. 이렇게 소실되는 정보에는 블랙홀 지평선에서 멀리 떨어진 곳에서는 측정할 수 없는 모든 물리량이 포함된다. <a href="/wiki/%EC%A4%91%EC%9E%85%EC%9E%90%EC%88%98" title="중입자수">중입자수</a>나 <a href="/wiki/%EA%B2%BD%EC%9E%85%EC%9E%90%EC%88%98" title="경입자수">경입자수</a> 같은 <a href="/wiki/%EB%B3%B4%EC%A1%B4_%EB%B2%95%EC%B9%99" title="보존 법칙">보존된</a> <a href="/wiki/%EC%96%91%EC%9E%90%EC%88%98" title="양자수">양자수</a>도 그 예시이다. 이 곤혹스러운 성질을 일컬어 <a href="/w/index.php?title=%EB%B8%94%EB%9E%99%ED%99%80_%EC%A0%95%EB%B3%B4%EC%97%AD%EC%84%A4&action=edit&redlink=1" class="new" title="블랙홀 정보역설 (없는 문서)">블랙홀 정보역설</a>이라고 부른다.<sup id="cite_ref-46" class="reference"><a href="#cite_note-46"><span class="cite-bracket">[</span>46<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-47" class="reference"><a href="#cite_note-47"><span class="cite-bracket">[</span>47<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading3"><h3 id="물리적_성질"><span id=".EB.AC.BC.EB.A6.AC.EC.A0.81_.EC.84.B1.EC.A7.88"></span>물리적 성질</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=%EB%B8%94%EB%9E%99%ED%99%80&action=edit&section=5" title="부분 편집: 물리적 성질"><span>편집</span></a><span class="mw-editsection-bracket">]</span></span></div> <figure class="mw-default-size" typeof="mw:File/Thumb"><a href="/wiki/%ED%8C%8C%EC%9D%BC:Black_hole_details.JPG" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/b/b6/Black_hole_details.JPG/220px-Black_hole_details.JPG" decoding="async" width="220" height="198" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/b/b6/Black_hole_details.JPG/330px-Black_hole_details.JPG 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/b/b6/Black_hole_details.JPG/440px-Black_hole_details.JPG 2x" data-file-width="796" data-file-height="717" /></a><figcaption>회전하지 않는 블랙홀(슈바르츠실트 블랙홀)의 간단한 도해</figcaption></figure> <p>가장 간단한 블랙홀은 질량만 있고 전하나 각운동량을 가지지 않는 블랙홀이다. 이러한 블랙홀은 1916년 아인슈타인 방정식의 해를 발견한 카를 슈바르츠실트의 이름을 붙여 <a href="/wiki/%EC%8A%88%EB%B0%94%EB%A5%B4%EC%B8%A0%EC%8B%A4%ED%8A%B8_%EA%B3%84%EB%9F%89" title="슈바르츠실트 계량">슈바르츠실트 블랙홀</a>이라고 한다.<sup id="cite_ref-Schwarzschild1916_17-1" class="reference"><a href="#cite_note-Schwarzschild1916-17"><span class="cite-bracket">[</span>17<span class="cite-bracket">]</span></a></sup> <a href="/w/index.php?title=%EB%B2%84%EC%BD%94%ED%94%84%EC%9D%98_%EC%A0%95%EB%A6%AC_(%EC%83%81%EB%8C%80%EB%A1%A0)&action=edit&redlink=1" class="new" title="버코프의 정리 (상대론) (없는 문서)">버코프의 정리</a>에 따르면, 슈바르츠실트의 해는 <a href="/w/index.php?title=%EA%B5%AC%EB%8C%80%EC%B9%AD_%EC%8B%9C%EA%B3%B5%EA%B0%84&action=edit&redlink=1" class="new" title="구대칭 시공간 (없는 문서)">구대칭</a>적인 유일한 <a href="/w/index.php?title=%EC%A7%84%EA%B3%B5%ED%95%B4_(%EC%9D%BC%EB%B0%98%EC%83%81%EB%8C%80%EB%A1%A0)&action=edit&redlink=1" class="new" title="진공해 (일반상대론) (없는 문서)">진공해</a>이다.<sup id="cite_ref-48" class="reference"><a href="#cite_note-48"><span class="cite-bracket">[</span>48<span class="cite-bracket">]</span></a></sup> 이것은 다시 말해 어떤 블랙홀의 중력장과 그 블랙홀과 같은 질량을 가진 다른 구형 물체의 중력장 사이에는 관찰 가능한 차이점이 없다는 것을 의미한다. 때문에 블랙홀을 주위의 모든 것을 빨아들이는 존재라고 이해하는 대중적 관념은 오로지 블랙홀의 지평선 주위에서만 옳다. 멀리 떨어진 곳에서는 블랙홀의 외부 중력장은 같은 질량을 가진 다른 천체의 중력장과 동일하다.<sup id="cite_ref-49" class="reference"><a href="#cite_note-49"><span class="cite-bracket">[</span>49<span class="cite-bracket">]</span></a></sup> </p><p>보다 일반적인 형태의 블랙홀에 대한 해 역시 존재한다. 회전하지는 않고 전하만 가진 블랙홀은 <a href="/wiki/%EB%9D%BC%EC%9D%B4%EC%8A%A4%EB%84%88%E2%80%93%EB%85%B8%EB%A5%B4%EB%93%9C%EC%8A%A4%ED%8A%B8%EB%A3%80_%EA%B3%84%EB%9F%89" class="mw-redirect" title="라이스너–노르드스트룀 계량">라이스너–노르드스트룀 계량</a>을 따르며 이를 <a href="/wiki/%EB%9D%BC%EC%9D%B4%EC%8A%A4%EB%84%88%E2%80%93%EB%85%B8%EB%A5%B4%EB%93%9C%EC%8A%A4%ED%8A%B8%EB%A3%80_%EB%B8%94%EB%9E%99%ED%99%80" title="라이스너–노르드스트룀 블랙홀">라이스너–노르드스트룀 블랙홀</a>이라고 부른다. 한편 전하는 없고 회전하는(즉 각운동량을 가진) 블랙홀은 <a href="/wiki/%EC%BB%A4_%EA%B3%84%EB%9F%89" title="커 계량">커 계량</a>을 따르며 이를 <a href="/wiki/%EC%BB%A4_%EB%B8%94%EB%9E%99%ED%99%80" title="커 블랙홀">커 블랙홀</a>이라고 한다. 가장 일반적인 <a href="/w/index.php?title=%EC%A0%95%EC%A7%80_%EC%8B%9C%EA%B3%B5%EA%B0%84&action=edit&redlink=1" class="new" title="정지 시공간 (없는 문서)">정지</a> 블랙홀 해는 <a href="/wiki/%EC%BB%A4%E2%80%93%EB%89%B4%EB%A8%BC_%EA%B3%84%EB%9F%89" class="mw-redirect" title="커–뉴먼 계량">커–뉴먼 계량</a>으로서, 전하와 각운동량을 모두 가진 블랙홀이 이를 따른다.<sup id="cite_ref-shapiro_teukolsky1983_50-0" class="reference"><a href="#cite_note-shapiro_teukolsky1983-50"><span class="cite-bracket">[</span>50<span class="cite-bracket">]</span></a></sup> </p><p>블랙홀의 질량은 모든 양수값이 가능한 반면, 전하량과 각운동량은 질량에 의해 제한된다. <a href="/wiki/%ED%94%8C%EB%9E%91%ED%81%AC_%EB%8B%A8%EC%9C%84" class="mw-redirect" title="플랑크 단위">플랑크 단위</a>로, 블랙홀의 총 전하량 <span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle Q}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mi>Q</mi> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle Q}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/8752c7023b4b3286800fe3238271bbca681219ed" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.671ex; width:1.838ex; height:2.509ex;" alt="{\displaystyle Q}"></span>와 총 각운동량 <span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle J}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mi>J</mi> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle J}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/359e4f407b49910e02c27c2f52e87a36cd74c053" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.338ex; width:1.471ex; height:2.176ex;" alt="{\displaystyle J}"></span>는 다음 관계를 만족시킬 것으로 예측된다. </p> <dl><dd><span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle Q^{2}+\left({\tfrac {J}{M}}\right)^{2}\leq M^{2}\,}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <msup> <mi>Q</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> </msup> <mo>+</mo> <msup> <mrow> <mo>(</mo> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="false" scriptlevel="0"> <mfrac> <mi>J</mi> <mi>M</mi> </mfrac> </mstyle> </mrow> <mo>)</mo> </mrow> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> </msup> <mo>≤<!-- ≤ --></mo> <msup> <mi>M</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> </msup> <mspace width="thinmathspace" /> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle Q^{2}+\left({\tfrac {J}{M}}\right)^{2}\leq M^{2}\,}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/68924b1e698031683e929676262873b353593c81" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -1.838ex; width:19.164ex; height:5.176ex;" alt="{\displaystyle Q^{2}+\left({\tfrac {J}{M}}\right)^{2}\leq M^{2}\,}"></span></dd></dl> <p>이때 <span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle M}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mi>M</mi> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle M}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/f82cade9898ced02fdd08712e5f0c0151758a0dd" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.338ex; width:2.442ex; height:2.176ex;" alt="{\displaystyle M}"></span>은 블랙홀의 질량이다. 이 부등식을 만족하는 블랙홀을 <a href="/wiki/%EC%9E%84%EA%B3%84_%EB%B8%94%EB%9E%99%ED%99%80" title="임계 블랙홀">임계 블랙홀</a>이라고 한다. 이 부등식을 만족하지 않는 아인슈타인 방정식의 해도 존재하지만 그런 경우에는 사건의 지평선을 갖지 않는다. 이러한 해를 <a href="/wiki/%EB%B2%8C%EA%B1%B0%EC%88%AD%EC%9D%B4_%ED%8A%B9%EC%9D%B4%EC%A0%90" title="벌거숭이 특이점">벌거숭이 특이점</a>이라고 하는데, 외부에서 관찰이 가능하기에 물리적으로 불가능할 것으로 간주된다. <a href="/wiki/%EC%9A%B0%EC%A3%BC_%EA%B2%80%EC%97%B4_%EA%B0%80%EC%84%A4" title="우주 검열 가설">우주 검열 가설</a>은 <a href="/wiki/%EC%97%90%EB%84%88%EC%A7%80_%EC%A1%B0%EA%B1%B4" title="에너지 조건">현실적 물질</a>이 중력붕괴할 때 이러한 특이점은 형성될 수 없다고 배제시키며,<sup id="cite_ref-wald_1997_6-1" class="reference"><a href="#cite_note-wald_1997-6"><span class="cite-bracket">[</span>6<span class="cite-bracket">]</span></a></sup> 이는 수치적 시뮬레이션 결과들에 의해 지지받는다.<sup id="cite_ref-51" class="reference"><a href="#cite_note-51"><span class="cite-bracket">[</span>51<span class="cite-bracket">]</span></a></sup> </p><p>상대적으로 큰 <a href="/wiki/%EC%A0%84%EC%9E%90%EA%B8%B0%EB%A0%A5" class="mw-redirect" title="전자기력">전자기력</a>에 의해, <a href="/wiki/%ED%95%AD%EC%84%B1" title="항성">항성</a>이 붕괴하여 형성되는 블랙홀은 전하가 거의 중성인 항성의 상태를 유지할 것으로 추측된다. 그러나 회전은 밀집천체들에서 흔하게 나타나는 현상일 것으로 생각된다. 블랙홀 후보 천체인 엑스선원 쌍성계 <a href="/wiki/GRS_1915%2B105" title="GRS 1915+105">GRS 1915+105</a>은 허용된 최대치에 근사하는 각운동량을 갖는 것으로 보인다.<sup id="cite_ref-52" class="reference"><a href="#cite_note-52"><span class="cite-bracket">[</span>52<span class="cite-bracket">]</span></a></sup> </p> <table class="wikitable" style="float:right; margin:0 0 0.5em 1em;"> <caption>블랙홀의 체급 분류 </caption> <tbody><tr> <th>종류</th> <th>질량</th> <th>크기 </th></tr> <tr> <td><a href="/wiki/%EC%B4%88%EB%8C%80%EC%A7%88%EB%9F%89_%EB%B8%94%EB%9E%99%ED%99%80" title="초대질량 블랙홀">초대질량 블랙홀</a></td> <td style="text-align: center;">~10<sup>5</sup>–10<sup>10</sup> <a href="/wiki/%ED%83%9C%EC%96%91%EC%A7%88%EB%9F%89" title="태양질량"><i>M</i><sub>☉</sub></a></td> <td style="text-align: center;">~0.001–400 <a href="/wiki/%EC%B2%9C%EB%AC%B8%EB%8B%A8%EC%9C%84" title="천문단위">AU</a> </td></tr> <tr> <td><a href="/wiki/%EC%A4%91%EA%B0%84%EC%A7%88%EB%9F%89_%EB%B8%94%EB%9E%99%ED%99%80" title="중간질량 블랙홀">중간질량 블랙홀</a></td> <td style="text-align: center;">~10<sup>3</sup> <i>M</i><sub>☉</sub></td> <td style="text-align: center;">~10<sup>3</sup> km ≈ <a href="/wiki/%EC%A7%80%EA%B5%AC%EB%B0%98%EA%B2%BD" class="mw-redirect" title="지구반경"><i>R</i><sub>Earth</sub></a> </td></tr> <tr> <td><a href="/wiki/%ED%95%AD%EC%84%B1%EC%A7%88%EB%9F%89_%EB%B8%94%EB%9E%99%ED%99%80" title="항성질량 블랙홀">항성질량 블랙홀</a></td> <td style="text-align: center;">~10 <i>M</i><sub>☉</sub></td> <td style="text-align: center;">~30 km </td></tr> <tr> <td><a href="/wiki/%EB%A7%88%EC%9D%B4%ED%81%AC%EB%A1%9C_%EB%B8%94%EB%9E%99%ED%99%80" title="마이크로 블랙홀">마이크로 블랙홀</a></td> <td style="text-align: center;"><i>M</i><sub><a href="/wiki/%EB%8B%AC" title="달">Moon</a></sub> 수준 이하</td> <td style="text-align: center;">up to ~0.1 mm </td></tr></tbody></table> <p>블랙홀은 대개 각운동량이나 전하량과는 독립적으로 질량에 따라 분류된다. 블랙홀의 크기는 사건의 지평선 반경, 또는 <a href="/wiki/%EC%8A%88%EB%B0%94%EB%A5%B4%EC%B8%A0%EC%8B%A4%ED%8A%B8_%EB%B0%98%EA%B2%BD" class="mw-redirect" title="슈바르츠실트 반경">슈바르츠실트 반경</a>에 의해 결정된다. </p> <dl><dd><span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle r_{\mathrm {sh} }={\frac {2GM}{c^{2}}}\approx 2.95\,{{M} \over {M_{\odot }}}~\mathrm {km,} }"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <msub> <mi>r</mi> <mrow class="MJX-TeXAtom-ORD"> <mrow class="MJX-TeXAtom-ORD"> <mi mathvariant="normal">s</mi> <mi mathvariant="normal">h</mi> </mrow> </mrow> </msub> <mo>=</mo> <mrow class="MJX-TeXAtom-ORD"> <mfrac> <mrow> <mn>2</mn> <mi>G</mi> <mi>M</mi> </mrow> <msup> <mi>c</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> </msup> </mfrac> </mrow> <mo>≈<!-- ≈ --></mo> <mn>2.95</mn> <mspace width="thinmathspace" /> <mrow class="MJX-TeXAtom-ORD"> <mfrac> <mrow class="MJX-TeXAtom-ORD"> <mi>M</mi> </mrow> <mrow class="MJX-TeXAtom-ORD"> <msub> <mi>M</mi> <mrow class="MJX-TeXAtom-ORD"> <mo>⊙<!-- ⊙ --></mo> </mrow> </msub> </mrow> </mfrac> </mrow> <mtext> </mtext> <mrow class="MJX-TeXAtom-ORD"> <mi mathvariant="normal">k</mi> <mi mathvariant="normal">m</mi> <mo>,</mo> </mrow> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle r_{\mathrm {sh} }={\frac {2GM}{c^{2}}}\approx 2.95\,{{M} \over {M_{\odot }}}~\mathrm {km,} }</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/48d3f9e264b663de0c9dd10de306eded76fa592e" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -2.338ex; width:28.82ex; height:5.843ex;" alt="{\displaystyle r_{\mathrm {sh} }={\frac {2GM}{c^{2}}}\approx 2.95\,{{M} \over {M_{\odot }}}~\mathrm {km,} }"></span></dd></dl> <p>이때 <span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle M}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mi>M</mi> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle M}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/f82cade9898ced02fdd08712e5f0c0151758a0dd" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.338ex; width:2.442ex; height:2.176ex;" alt="{\displaystyle M}"></span>은 블랙홀의 질량, <span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle r_{\mathrm {sh} }}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <msub> <mi>r</mi> <mrow class="MJX-TeXAtom-ORD"> <mrow class="MJX-TeXAtom-ORD"> <mi mathvariant="normal">s</mi> <mi mathvariant="normal">h</mi> </mrow> </mrow> </msub> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle r_{\mathrm {sh} }}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/01ba66fc1c676af3dad33fe3032582239643f732" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.671ex; width:2.843ex; height:2.009ex;" alt="{\displaystyle r_{\mathrm {sh} }}"></span>는 슈바르츠실트 반경, <span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle M_{\odot }}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <msub> <mi>M</mi> <mrow class="MJX-TeXAtom-ORD"> <mo>⊙<!-- ⊙ --></mo> </mrow> </msub> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle M_{\odot }}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/4fa96ed83d5db40d3350f1eb4f3e87754ef91793" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.671ex; width:3.765ex; height:2.509ex;" alt="{\displaystyle M_{\odot }}"></span>은 <a href="/wiki/%ED%83%9C%EC%96%91%EC%A7%88%EB%9F%89" title="태양질량">태양질량</a>이다.<sup id="cite_ref-53" class="reference"><a href="#cite_note-53"><span class="cite-bracket">[</span>53<span class="cite-bracket">]</span></a></sup> 이 관계는 전하량과 각운동량이 0인 블랙홀에 대해서만 정확하게 성립한다. 보다 일반적인 블랙홀의 경우 2분의 1 수준까지 차이가 발생할 수 있다. </p> <div class="mw-heading mw-heading3"><h3 id="사건의_지평선"><span id=".EC.82.AC.EA.B1.B4.EC.9D.98_.EC.A7.80.ED.8F.89.EC.84.A0"></span>사건의 지평선</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=%EB%B8%94%EB%9E%99%ED%99%80&action=edit&section=6" title="부분 편집: 사건의 지평선"><span>편집</span></a><span class="mw-editsection-bracket">]</span></span></div> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r34311305"><div role="note" class="hatnote navigation-not-searchable"><span typeof="mw:File"><span><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/5/52/Icons8_flat_search.svg/18px-Icons8_flat_search.svg.png" decoding="async" width="18" height="18" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/5/52/Icons8_flat_search.svg/27px-Icons8_flat_search.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/5/52/Icons8_flat_search.svg/36px-Icons8_flat_search.svg.png 2x" data-file-width="512" data-file-height="512" /></span></span> 이 부분의 본문은 <a href="/wiki/%EC%82%AC%EA%B1%B4%EC%9D%98_%EC%A7%80%ED%8F%89%EC%84%A0" title="사건의 지평선">사건의 지평선</a>입니다.</div> <table class="wikitable" style="float:right; margin:0 0 1em 1em; width:400px; font-size:85%;"> <tbody><tr> <td><span class="mw-default-size" typeof="mw:File"><a href="/wiki/%ED%8C%8C%EC%9D%BC:BH-no-escape-1.svg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/5/55/BH-no-escape-1.svg/409px-BH-no-escape-1.svg.png" decoding="async" width="409" height="106" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/5/55/BH-no-escape-1.svg/614px-BH-no-escape-1.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/5/55/BH-no-escape-1.svg/818px-BH-no-escape-1.svg.png 2x" data-file-width="409" data-file-height="106" /></a></span><br />블랙홀에서 멀리 떨어진 곳에서는, 입자가 모든 방향으로 움직일 수 있으며, 그 방향을 화살표로 표현했다. 입자의 운동을 구속하는 조건은 <a href="/wiki/%EB%B9%9B%EC%9D%98_%EC%86%8D%EB%A0%A5" title="빛의 속력">광속</a>보다 빨리 움직일 수 없다는 것 뿐이다. </td></tr> <tr> <td><span class="mw-default-size" typeof="mw:File"><a href="/wiki/%ED%8C%8C%EC%9D%BC:BH-no-escape-2.svg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/1/10/BH-no-escape-2.svg/409px-BH-no-escape-2.svg.png" decoding="async" width="409" height="106" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/1/10/BH-no-escape-2.svg/614px-BH-no-escape-2.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/1/10/BH-no-escape-2.svg/818px-BH-no-escape-2.svg.png 2x" data-file-width="409" data-file-height="106" /></a></span><br />블랙홀에 가까워지면 시공간이 왜곡되기 시작한다. 블랙홀에 가까워지는 경로가 블랙홀에서 멀어지는 경로보다 많아진다.<sup id="cite_ref-55" class="reference"><a href="#cite_note-55"><span class="cite-bracket">[</span>Note 1<span class="cite-bracket">]</span></a></sup> </td></tr> <tr> <td><span class="mw-default-size" typeof="mw:File"><a href="/wiki/%ED%8C%8C%EC%9D%BC:BH-no-escape-3.svg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/8/87/BH-no-escape-3.svg/409px-BH-no-escape-3.svg.png" decoding="async" width="409" height="106" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/8/87/BH-no-escape-3.svg/614px-BH-no-escape-3.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/8/87/BH-no-escape-3.svg/818px-BH-no-escape-3.svg.png 2x" data-file-width="409" data-file-height="106" /></a></span><br />사건의 지평선 너머로 들어가면, 입자의 모든 경로가 블랙홀 중심에 가까워지는 경로로 제한된다. 이제 이 입자는 사건의 지평선 밖으로 탈출할 수 없다. </td></tr></tbody></table> <p>블랙홀의 가장 결정적인 특징은 <a href="/wiki/%EC%82%AC%EA%B1%B4%EC%9D%98_%EC%A7%80%ED%8F%89%EC%84%A0" title="사건의 지평선">사건의 지평선</a>의 존재이다. 사건의 지평선은 물질과 빛이 블랙홀의 질량을 향해 안으로 들어갈 수만 있고 밖으로 나올 수는 없는 <a href="/wiki/%EC%8B%9C%EA%B3%B5%EA%B0%84" title="시공간">시공간</a>상의 경계이다. 그 무엇도, 심지어 빛마저, 사건의 지평선 안쪽에서 바깥쪽으로 탈출할 수 없다. 사건의 지평선이라는 이름은 그 경계에서 ‘사건(event)’이 벌어지며 그 사건에 대한 정보는 외부의 관찰자에게 도달할 수 없어 그 사건이 벌어졌는지 여부조차 알 수 없다는 의미를 갖고 있다.<sup id="cite_ref-56" class="reference"><a href="#cite_note-56"><span class="cite-bracket">[</span>55<span class="cite-bracket">]</span></a></sup> </p><p>일반상대론에 의해 예측되는 바에 따르면, 질량의 존재는 시공간을 왜곡시켜 입자의 경로를 그 질량 방향으로 구부러지게 만든다.<sup id="cite_ref-57" class="reference"><a href="#cite_note-57"><span class="cite-bracket">[</span>56<span class="cite-bracket">]</span></a></sup> 블랙홀의 사건의 지평선에서는 이 왜곡이 매우 심해져서 블랙홀 바깥으로 향하는 경로가 존재할 수 없게 된다. </p><p>멀리 떨어진 외부 관찰자가 보기에, 블랙홀 근처의 시계는 블랙홀에서 멀리 떨어진 시계보다 더 느리게 가는 것처럼 보인다(<a href="/wiki/%EC%A4%91%EB%A0%A5%EC%A0%81_%EC%8B%9C%EA%B0%84%EC%A7%80%EC%97%B0" class="mw-redirect" title="중력적 시간지연">중력적 시간지연</a>).<sup id="cite_ref-58" class="reference"><a href="#cite_note-58"><span class="cite-bracket">[</span>57<span class="cite-bracket">]</span></a></sup> 이 효과에 의해 블랙홀로 낙하하는 물체는 사건의 지평선에 가까워질수록 점점 느려지는 것처럼 보이고, 사건의 지평선에 닿기까지 걸리는 시간은 무한대가 된다. 즉 사건의 지평선에 닿는 것이 외부에서는 관찰될 수 없다.<sup id="cite_ref-59" class="reference"><a href="#cite_note-59"><span class="cite-bracket">[</span>58<span class="cite-bracket">]</span></a></sup> 외부의 고정된 관찰자가 보기에 이 물체의 모든 과정은 느려지는 것처럼 보이기에, 물체에서 방출되는 빛도 점점 파장이 길어지고 어두워진다(<a href="/wiki/%EC%A4%91%EB%A0%A5%EC%A0%81_%EC%A0%81%EC%83%89%ED%8E%B8%EC%9D%B4" class="mw-redirect" title="중력적 적색편이">중력적 적색편이</a>).<sup id="cite_ref-60" class="reference"><a href="#cite_note-60"><span class="cite-bracket">[</span>59<span class="cite-bracket">]</span></a></sup> 최종적으로 낙하하는 물체는 너무 어두워져서 보이지 않게 된다. </p><p>한편, 블랙홀로 낙하하는 파괴될 수 없는 관찰자는 이러한 효과를 경험하지 못한다. 블랙홀로 낙하중인 관찰자가 보기에 자신의 시계는 멀쩡하게 작동하는 것처럼 보이며, 유한한 시간이 지난 후에 사건의 지평선을 넘어도 아무런 특이한 현상을 느끼지 못한다. 즉 사건의 지평선 가까이에서 관찰했을 때 사건의 지평선의 위치를 알아내는 것은 불가능하다.<sup id="cite_ref-61" class="reference"><a href="#cite_note-61"><span class="cite-bracket">[</span>60<span class="cite-bracket">]</span></a></sup> </p><p>블랙홀의 사건의 지평선의 모양은 언제나 대략적 구형이다.<sup id="cite_ref-64" class="reference"><a href="#cite_note-64"><span class="cite-bracket">[</span>Note 2<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-65" class="reference"><a href="#cite_note-65"><span class="cite-bracket">[</span>63<span class="cite-bracket">]</span></a></sup> 회전하지 않는 블랙홀의 경우 사건의 지평선은 정확한 구형을 이루고, 회전하는 블랙홀은 사건의 지평선이 약간 짜부라진 회전타원체가 된다. </p> <div class="mw-heading mw-heading3"><h3 id="특이점"><span id=".ED.8A.B9.EC.9D.B4.EC.A0.90"></span>특이점</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=%EB%B8%94%EB%9E%99%ED%99%80&action=edit&section=7" title="부분 편집: 특이점"><span>편집</span></a><span class="mw-editsection-bracket">]</span></span></div> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r34311305"><div role="note" class="hatnote navigation-not-searchable"><span typeof="mw:File"><span><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/5/52/Icons8_flat_search.svg/18px-Icons8_flat_search.svg.png" decoding="async" width="18" height="18" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/5/52/Icons8_flat_search.svg/27px-Icons8_flat_search.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/5/52/Icons8_flat_search.svg/36px-Icons8_flat_search.svg.png 2x" data-file-width="512" data-file-height="512" /></span></span> 이 부분의 본문은 <a href="/wiki/%EC%A4%91%EB%A0%A5_%ED%8A%B9%EC%9D%B4%EC%A0%90" title="중력 특이점">중력 특이점</a>입니다.</div> <p>블랙홀 중심에는 일반상대론에 따라 시공간의 곡률과 밀도가 무한대가 되는 곳인 <a href="/wiki/%EC%A4%91%EB%A0%A5_%ED%8A%B9%EC%9D%B4%EC%A0%90" title="중력 특이점">중력 특이점</a>(singularity)이 존재한다.<sup id="cite_ref-66" class="reference"><a href="#cite_note-66"><span class="cite-bracket">[</span>64<span class="cite-bracket">]</span></a></sup> 회전하지 않는 블랙홀의 경우 특이점은 하나의 점의 형태를 가지고, 회전하는 블랙홀의 경우 회전 평면상의 고리 모양(<a href="/w/index.php?title=%EA%B3%A0%EB%A6%AC_%ED%8A%B9%EC%9D%B4%EC%A0%90&action=edit&redlink=1" class="new" title="고리 특이점 (없는 문서)">고리 특이점</a>)을 갖는다.<sup id="cite_ref-67" class="reference"><a href="#cite_note-67"><span class="cite-bracket">[</span>65<span class="cite-bracket">]</span></a></sup> 두 경우 모두 특이점의 부피는 0이다. 또한 블랙홀 해에서 구해지는 질량은 모두 특이점에 모여 있다.<sup id="cite_ref-68" class="reference"><a href="#cite_note-68"><span class="cite-bracket">[</span>66<span class="cite-bracket">]</span></a></sup> 때문에 특이점의 <a href="/w/index.php?title=%EC%A7%88%EB%9F%89%EB%B0%80%EB%8F%84&action=edit&redlink=1" class="new" title="질량밀도 (없는 문서)">질량밀도</a>는 무한대가 될 것으로 생각된다. </p><p>회전하지 않으며 전하량도 없는 슈바르츠실트 블랙홀로 낙하하는 관찰자는 사건의 지평선을 넘어서면 무조건 특이점으로 끌려가게 되어 있다. 역방향 가속을 통해 그 과정을 늦출 수는 있지만 그것도 곧 한계에 봉착, 특정 속도에 도달하면 남은 거리는 <a href="/wiki/%EC%9E%90%EC%9C%A0%EB%82%99%ED%95%98" class="mw-redirect" title="자유낙하">자유낙하</a>로 직행하게 된다.<sup id="cite_ref-69" class="reference"><a href="#cite_note-69"><span class="cite-bracket">[</span>67<span class="cite-bracket">]</span></a></sup> 특이점에 도달한 관찰자는 무한한 밀도에 의해 짓뭉개지고 관찰자의 질량은 블랙홀의 질량에 더해져서 블랙홀의 총 질량이 그만큼 증가한다. 짓뭉개지기 전에 관찰자는 <a href="/wiki/%EC%A1%B0%EC%84%9D%EB%A0%A5" title="조석력">조석력</a>에 의해 길쭉하게 늘어져 찢어질 것이며, 이를 <a href="/wiki/%EA%B5%AD%EC%88%98_%ED%9A%A8%EA%B3%BC" class="mw-redirect" title="국수 효과">국수 효과</a>라고 부른다.<sup id="cite_ref-70" class="reference"><a href="#cite_note-70"><span class="cite-bracket">[</span>68<span class="cite-bracket">]</span></a></sup> </p><p>전하량을 갖는 라이스너–노르드스트룀 블랙홀이나 회전하는 커 블랙홀의 경우, 특이점을 회피할 수 있으며, 이를 확장하면 블랙홀이 <a href="/wiki/%EC%9B%9C%ED%99%80" title="웜홀">웜홀</a>로 기능하여 다른 시공간으로 탈출할 수 있는 가설상의 가능성이 열리게 된다.<sup id="cite_ref-71" class="reference"><a href="#cite_note-71"><span class="cite-bracket">[</span>69<span class="cite-bracket">]</span></a></sup> 그러나 다른 우주로의 여행이란 오로지 가설상의 가능성일 뿐이며, 조금의 동요로도 그 가능성은 불가능해질 것이다.<sup id="cite_ref-72" class="reference"><a href="#cite_note-72"><span class="cite-bracket">[</span>70<span class="cite-bracket">]</span></a></sup> 커 블랙홀의 특이점 주위로는 <a href="/w/index.php?title=%EB%8B%AB%ED%9E%8C_%EC%8B%9C%EA%B0%84%EA%B3%A1%EC%84%A0&action=edit&redlink=1" class="new" title="닫힌 시간곡선 (없는 문서)">닫힌 시간곡선</a>이 발생할 수 있는데, 이에 따라 <a href="/wiki/%ED%95%A0%EC%95%84%EB%B2%84%EC%A7%80_%EC%97%AD%EC%84%A4" title="할아버지 역설">할아버지 역설</a> 같은 <a href="/wiki/%EC%9D%B8%EA%B3%BC%EC%9C%A8" class="mw-redirect" title="인과율">인과율</a>상의 문제가 발생하게 된다.<sup id="cite_ref-73" class="reference"><a href="#cite_note-73"><span class="cite-bracket">[</span>71<span class="cite-bracket">]</span></a></sup> 적절한 양자론적 처치를 거치면 라이스너–노르드스트룀 블랙홀이나 커 블랙홀 주위에서의 웜홀이나 인과율 역설 따위의 일은 모두 일어나지 않을 것으로 생각된다.<sup id="cite_ref-74" class="reference"><a href="#cite_note-74"><span class="cite-bracket">[</span>72<span class="cite-bracket">]</span></a></sup> </p><p>일반상대론에서 특이점이 나타나는 것은 대개 일반상대론의 붕괴를 의미하는 것으로 받아들여진다.<sup id="cite_ref-75" class="reference"><a href="#cite_note-75"><span class="cite-bracket">[</span>73<span class="cite-bracket">]</span></a></sup> 그러나 이 붕괴는 사실 예상되어 있는 것으로서, 극도의 고밀도와 그로 인한 입자 상호작용으로 인해 <a href="/w/index.php?title=%EC%96%91%EC%9E%90%ED%9A%A8%EA%B3%BC&action=edit&redlink=1" class="new" title="양자효과 (없는 문서)">양자효과</a>로 그 행동을 설명할 수 있는 상황에서 상대론의 붕괴가 일어난다. 현재까지 양자론과 상대론을 하나의 이론으로 묶는 데 성공한 사례는 존재하지 않지만, <a href="/wiki/%EC%96%91%EC%9E%90%EC%A4%91%EB%A0%A5" class="mw-redirect" title="양자중력">양자중력</a>이론 등의 시도가 이루어지고 있다. 만일 두 이론의 융합이 성공한다면, 그렇게 해서 도출되는 새로운 이론에서는 특이점이 나타나지 않을 것으로 예상된다.<sup id="cite_ref-76" class="reference"><a href="#cite_note-76"><span class="cite-bracket">[</span>74<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-77" class="reference"><a href="#cite_note-77"><span class="cite-bracket">[</span>75<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading3"><h3 id="광자구"><span id=".EA.B4.91.EC.9E.90.EA.B5.AC"></span>광자구</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=%EB%B8%94%EB%9E%99%ED%99%80&action=edit&section=8" title="부분 편집: 광자구"><span>편집</span></a><span class="mw-editsection-bracket">]</span></span></div> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r34311305"><div role="note" class="hatnote navigation-not-searchable"><span typeof="mw:File"><span><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/5/52/Icons8_flat_search.svg/18px-Icons8_flat_search.svg.png" decoding="async" width="18" height="18" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/5/52/Icons8_flat_search.svg/27px-Icons8_flat_search.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/5/52/Icons8_flat_search.svg/36px-Icons8_flat_search.svg.png 2x" data-file-width="512" data-file-height="512" /></span></span> 이 부분의 본문은 <a href="/wiki/%EA%B4%91%EC%9E%90%EA%B5%AC" title="광자구">광자구</a>입니다.</div> <p>광자구는 블랙홀 주위의 두께 0의 구형 경계면으로서, 블랙홀에 붙잡힌 <a href="/wiki/%EA%B4%91%EC%9E%90" title="광자">광자</a>가 이 구의 <a href="/wiki/%EC%A0%91%EC%84%A0" title="접선">접선</a> 방향으로 움직인다. 회전하지 않는 블랙홀의 경우 광자구의 반경은 슈바르츠실트 반경의 1.5 배이다. 광자구상의 궤도는 동역학적으로 불안정하며, 불안정성은 새로운 물질 입자가 블랙홀로 낙하하는 등의 요동에 의해 시간이 갈수록 더욱 커진다. 그 결과 광자는 바깥쪽으로 튕겨나가 블랙홀로부터 탈출하거나, 또는 <a href="/wiki/%EC%99%80%EC%84%A0" title="와선">와선</a>을 그리면서 안쪽으로 낙하하면서 사건의 지평선 너머로 끌려들어가게 된다.<sup id="cite_ref-prd84_6_78-0" class="reference"><a href="#cite_note-prd84_6-78"><span class="cite-bracket">[</span>76<span class="cite-bracket">]</span></a></sup> </p><p>광자구 위의 빛은 아직 블랙홀로부터 탈출할 가능성이 있으나, 광자구 안쪽을 가로지른 빛은 반드시 블랙홀에 붙잡히게 되어 있다. 고로 외부 관찰자에게 보이는 광자구에서 방출된 빛은 광자구와 사건의 지평선 사이의 물체에 의해 방출된 것이다.<sup id="cite_ref-prd84_6_78-1" class="reference"><a href="#cite_note-prd84_6-78"><span class="cite-bracket">[</span>76<span class="cite-bracket">]</span></a></sup> </p><p><a href="/wiki/%EC%A4%91%EC%84%B1%EC%9E%90%EB%B3%84" title="중성자별">중성자별</a> 등 다른 <a href="/wiki/%EB%B0%80%EC%A7%91%EC%84%B1" title="밀집성">밀집성</a>도 광자구를 갖는다.<sup id="cite_ref-79" class="reference"><a href="#cite_note-79"><span class="cite-bracket">[</span>77<span class="cite-bracket">]</span></a></sup> 광자구 개념은 원대칭 물체 외부의 중력장은 <a href="/wiki/%EC%8A%88%EB%B0%94%EB%A5%B4%EC%B8%A0%EC%8B%A4%ED%8A%B8_%EA%B3%84%EB%9F%89" title="슈바르츠실트 계량">슈바르츠실트 계량</a>을 따라 물체의 크기가 아닌 물체의 질량에만 의존적이라는 데서 도출된다. 고로 슈바르츠실트 반지름 1.5배 보다 작아질 수 있는 모든 물체는 광자구를 갖는다. </p> <div class="mw-heading mw-heading3"><h3 id="작용권"><span id=".EC.9E.91.EC.9A.A9.EA.B6.8C"></span>작용권</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=%EB%B8%94%EB%9E%99%ED%99%80&action=edit&section=9" title="부분 편집: 작용권"><span>편집</span></a><span class="mw-editsection-bracket">]</span></span></div> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r34311305"><div role="note" class="hatnote navigation-not-searchable"><span typeof="mw:File"><span><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/5/52/Icons8_flat_search.svg/18px-Icons8_flat_search.svg.png" decoding="async" width="18" height="18" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/5/52/Icons8_flat_search.svg/27px-Icons8_flat_search.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/5/52/Icons8_flat_search.svg/36px-Icons8_flat_search.svg.png 2x" data-file-width="512" data-file-height="512" /></span></span> 이 부분의 본문은 <a href="/wiki/%EC%9E%91%EC%9A%A9%EA%B6%8C" title="작용권">작용권</a>입니다.</div> <figure class="mw-default-size mw-halign-right" typeof="mw:File/Thumb"><a href="/wiki/%ED%8C%8C%EC%9D%BC:Ergosphere_of_a_rotating_black_hole.svg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/b/b2/Ergosphere_of_a_rotating_black_hole.svg/langko-220px-Ergosphere_of_a_rotating_black_hole.svg.png" decoding="async" width="220" height="154" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/b/b2/Ergosphere_of_a_rotating_black_hole.svg/langko-330px-Ergosphere_of_a_rotating_black_hole.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/b/b2/Ergosphere_of_a_rotating_black_hole.svg/langko-440px-Ergosphere_of_a_rotating_black_hole.svg.png 2x" data-file-width="1000" data-file-height="700" /></a><figcaption>작용권은 사건의 지평선 바깥의 타원체형 영역으로, 여기 들어간 물체들은 정지 상태를 유지할 수 없다.</figcaption></figure> <p>회전하는 블랙홀 주위에는 멈춰선 상태를 유지하는 것이 불가능해지는 시공간이 형성되는데 이를 <a href="/wiki/%EC%9E%91%EC%9A%A9%EA%B6%8C" title="작용권">작용권</a>이라고 한다. 작용권은 <a href="/wiki/%ED%8B%80_%EB%81%8C%EB%A6%BC" title="틀 끌림">틀 끌림</a>이라는 과정의 결과물이다. 일반상대론은 회전하는 질량은 자기 바로 주위에 있는 시공간을 조금씩 "끌어당기게" 됨을 예측한다. 회전하는 질량의 주위에 있는 물체는 그 회전 방향을 따라서 움직이게 된다. 회전하는 블랙홀의 경우, 이 효과가 매우 강력하여 사건의 지평선 근처의 물체는 빛보다도 빠르게 움직이게 된다. 외부 관찰자가 보기에 작용권 안의 물체가 정지하기 위해서는 반대 방향으로 빛보다 빠르게 움직여야 하는데, 이는 불가능하므로 작용권 안의 물체는 절대 정지해 있는 것처럼 보일 수가 없다.<sup id="cite_ref-80" class="reference"><a href="#cite_note-80"><span class="cite-bracket">[</span>78<span class="cite-bracket">]</span></a></sup> </p><p>블랙홀의 작용권의 안쪽 경계는 사건의 지평선이고, 바깥쪽 경계는 <a href="/wiki/%ED%9A%8C%EC%A0%84%ED%83%80%EC%9B%90%EC%B2%B4" class="mw-redirect" title="회전타원체">회전타원체</a>를 이룬다. 블랙홀의 양극에서는 작용권과 사건의 지평선이 겹치고, 적도로 갈수록 작용권이 부풀어오른다. 작용권의 바깥쪽 경계를 "작용면(<i>ergosurface</i>)"이라고 부르기도 한다. </p><p>작용권에만 들어갔고 사건의 지평선은 넘어서지 않은 물체나 복사는 바깥으로 탈출이 가능하다. 블랙홀의 회전 에너지를 이용해 물체는 들어갈 때보다 더 많은 에너지를 가지고 작용권에서 나올 수 있는데, 이를 <a href="/wiki/%ED%8E%9C%EB%A1%9C%EC%A6%88_%EA%B3%BC%EC%A0%95" title="펜로즈 과정">펜로즈 과정</a>이라고 한다.<sup id="cite_ref-81" class="reference"><a href="#cite_note-81"><span class="cite-bracket">[</span>79<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading3"><h3 id="최내곽_안정_원궤도"><span id=".EC.B5.9C.EB.82.B4.EA.B3.BD_.EC.95.88.EC.A0.95_.EC.9B.90.EA.B6.A4.EB.8F.84"></span>최내곽 안정 원궤도</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=%EB%B8%94%EB%9E%99%ED%99%80&action=edit&section=10" title="부분 편집: 최내곽 안정 원궤도"><span>편집</span></a><span class="mw-editsection-bracket">]</span></span></div> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r34311305"><div role="note" class="hatnote navigation-not-searchable"><span typeof="mw:File"><span><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/5/52/Icons8_flat_search.svg/18px-Icons8_flat_search.svg.png" decoding="async" width="18" height="18" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/5/52/Icons8_flat_search.svg/27px-Icons8_flat_search.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/5/52/Icons8_flat_search.svg/36px-Icons8_flat_search.svg.png 2x" data-file-width="512" data-file-height="512" /></span></span> 이 부분의 본문은 <a href="/w/index.php?title=%EC%B5%9C%EB%82%B4%EA%B3%BD_%EC%95%88%EC%A0%95_%EC%9B%90%EA%B6%A4%EB%8F%84&action=edit&redlink=1" class="new" title="최내곽 안정 원궤도 (없는 문서)">최내곽 안정 원궤도</a>입니다.</div> <p>뉴턴의 <a href="/wiki/%EB%A7%8C%EC%9C%A0%EC%9D%B8%EB%A0%A5%EC%9D%98_%EB%B2%95%EC%B9%99" title="만유인력의 법칙">만유인력의 법칙</a>에 따르면, <a href="/wiki/%EC%8B%9C%ED%97%98%EC%9E%85%EC%9E%90" title="시험입자">시험입자</a>는 중심 물체로부터의 임의적 거리만큼 떨어져서 안정적으로 공전을 할 수 있다. 그러나 일반상대론에서는 안정적 원궤도를 유지하면서 중심 물체에 가까워질 수 있는 하한이 존재하며, 이를 <a href="/w/index.php?title=%EC%B5%9C%EB%82%B4%EA%B3%BD_%EC%95%88%EC%A0%95_%EC%9B%90%EA%B6%A4%EB%8F%84&action=edit&redlink=1" class="new" title="최내곽 안정 원궤도 (없는 문서)">최내곽 안정 원궤도</a>(ISCO)라고 부른다. ISCO보다 안쪽으로 들어가면 극미한 요동으로도 원궤도가 붕괴하여 <a href="/wiki/%EC%99%80%EC%84%A0" title="와선">와선</a>을 그리며 블랙홀을 향해 낙하하게 된다.<sup id="cite_ref-82" class="reference"><a href="#cite_note-82"><span class="cite-bracket">[</span>80<span class="cite-bracket">]</span></a></sup> ISCO의 위치는 블랙홀의 자전에 의해 결정된다. 자전이 0인 슈바르츠실트 블랙홀의 경우 ISCO는 다음 식을 따르며, 자전이 증가할수록 ISCO의 크기는 감소한다. </p> <dl><dd><span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle r_{isco}=3\,r_{s}={\frac {6\,GM}{c^{2}}},}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <msub> <mi>r</mi> <mrow class="MJX-TeXAtom-ORD"> <mi>i</mi> <mi>s</mi> <mi>c</mi> <mi>o</mi> </mrow> </msub> <mo>=</mo> <mn>3</mn> <mspace width="thinmathspace" /> <msub> <mi>r</mi> <mrow class="MJX-TeXAtom-ORD"> <mi>s</mi> </mrow> </msub> <mo>=</mo> <mrow class="MJX-TeXAtom-ORD"> <mfrac> <mrow> <mn>6</mn> <mspace width="thinmathspace" /> <mi>G</mi> <mi>M</mi> </mrow> <msup> <mi>c</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> </msup> </mfrac> </mrow> <mo>,</mo> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle r_{isco}=3\,r_{s}={\frac {6\,GM}{c^{2}}},}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/24233510338b3dbc1f5149e3c822fc672adf8e89" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -2.171ex; width:21.229ex; height:5.676ex;" alt="{\displaystyle r_{isco}=3\,r_{s}={\frac {6\,GM}{c^{2}}},}"></span></dd></dl> <div class="mw-heading mw-heading2"><h2 id="형성과_진화"><span id=".ED.98.95.EC.84.B1.EA.B3.BC_.EC.A7.84.ED.99.94"></span>형성과 진화</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=%EB%B8%94%EB%9E%99%ED%99%80&action=edit&section=11" title="부분 편집: 형성과 진화"><span>편집</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>블랙홀의 괴이한 성질들을 생각해 보면, 이런 기이한 천체가 과연 실존하는 것인지, 그저 아인슈타인 방정식의 해를 이끌어내는 과정에서 도출된 비정상적 결과물에 지나지 않는 것이 아닌지 의문을 가질 법도 하다. 심지어 아인슈타인 본인마저 붕괴하는 입자의 각운동량으로 인해 그 운동이 특정 반경에서 안정화될것이기에 블랙홀은 존재할 수 없다는 잘못된 판단을 한 바 있다.<sup id="cite_ref-83" class="reference"><a href="#cite_note-83"><span class="cite-bracket">[</span>81<span class="cite-bracket">]</span></a></sup> 이 때문에 일반상대론 학계는 오랜 세월동안 아인슈타인의 견해와 배치되는 결과들을 모두 평가절하하였다. 그러나 일부 소장파는 블랙홀이 물리적 천체로서 실재한다는 견해를 고수하였고, 1960년대 말엽이 되면 학계 대부분이 사건의 지평선 형성을 가로막는 장애물이 없다는 데 동의하기에 이른다.<sup id="cite_ref-84" class="reference"><a href="#cite_note-84"><span class="cite-bracket">[</span>82<span class="cite-bracket">]</span></a></sup> </p><p>일단 사건의 지평선이 형성되면 그 안에 특이점이 만들어짐은 펜로즈에 의해 증명되었다.<sup id="cite_ref-penrose1965_39-1" class="reference"><a href="#cite_note-penrose1965-39"><span class="cite-bracket">[</span>39<span class="cite-bracket">]</span></a></sup> 그 직후 호킹은 <a href="/wiki/%EB%8C%80%ED%8F%AD%EB%B0%9C%EC%9D%B4%EB%A1%A0" class="mw-redirect" title="대폭발이론">대폭발이론</a>에 대한 여러 우주론적 해가 스칼라장이나 다른 <a href="/w/index.php?title=%EC%9D%B4%EC%83%81%EB%AC%BC%EC%A7%88&action=edit&redlink=1" class="new" title="이상물질 (없는 문서)">이상물질</a>이 없는 특이점을 가짐을 보였다(<a href="/wiki/%ED%8E%9C%EB%A1%9C%EC%A6%88%E2%80%93%ED%98%B8%ED%82%B9_%ED%8A%B9%EC%9D%B4%EC%A0%90_%EC%A0%95%EB%A6%AC" title="펜로즈–호킹 특이점 정리">펜로즈–호킹 특이점 정리</a>). <a href="/w/index.php?title=%EC%BB%A4_%ED%95%B4&action=edit&redlink=1" class="new" title="커 해 (없는 문서)">커 해</a>, <a href="/wiki/%ED%84%B8%EC%97%86%EC%9D%8C_%EC%A0%95%EB%A6%AC" title="털없음 정리">털없음 정리</a>, <a href="/wiki/%EB%B8%94%EB%9E%99%ED%99%80_%EC%97%B4%EC%97%AD%ED%95%99" title="블랙홀 열역학">블랙홀 열역학</a> 법칙들은 블랙홀의 물리적 성질이 단순하고 이해가능함을 밝혀냈으며, 이로 인해 블랙홀은 타당한 연구 주제로 대접받을 수 있게 되었다.<sup id="cite_ref-HawkingPenrose1970_85-0" class="reference"><a href="#cite_note-HawkingPenrose1970-85"><span class="cite-bracket">[</span>83<span class="cite-bracket">]</span></a></sup> 블랙홀은 주로 무거운 천체, 예컨대 항성의 <a href="/wiki/%EC%A4%91%EB%A0%A5%EB%B6%95%EA%B4%B4" title="중력붕괴">중력붕괴</a>에 의해 생겨나는 것으로 보이나, 그 밖에도 블랙홀을 탄생시킬 수 있는 기이한 과정들이 존재한다. </p> <div class="mw-heading mw-heading3"><h3 id="중력붕괴"><span id=".EC.A4.91.EB.A0.A5.EB.B6.95.EA.B4.B4"></span>중력붕괴</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=%EB%B8%94%EB%9E%99%ED%99%80&action=edit&section=12" title="부분 편집: 중력붕괴"><span>편집</span></a><span class="mw-editsection-bracket">]</span></span></div> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r34311305"><div role="note" class="hatnote navigation-not-searchable"><span typeof="mw:File"><span><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/5/52/Icons8_flat_search.svg/18px-Icons8_flat_search.svg.png" decoding="async" width="18" height="18" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/5/52/Icons8_flat_search.svg/27px-Icons8_flat_search.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/5/52/Icons8_flat_search.svg/36px-Icons8_flat_search.svg.png 2x" data-file-width="512" data-file-height="512" /></span></span> 이 부분의 본문은 <a href="/wiki/%EC%A4%91%EB%A0%A5%EB%B6%95%EA%B4%B4" title="중력붕괴">중력붕괴</a>입니다.</div> <p>중력붕괴는 어떤 천체의 내부 <a href="/wiki/%EC%95%95%EB%A0%A5" title="압력">압력</a>이 천체의 자체 중력을 상쇄시킬 수 없을 때 발생한다. 항성의 경우, <a href="/wiki/%ED%95%AD%EC%84%B1_%ED%95%B5%ED%95%A9%EC%84%B1" title="항성 핵합성">항성 핵합성</a>을 통해 온도를 유지하여 필요한 압력을 얻는데, 여기에 필요한 "연료"가 너무 적어졌을 때, 또는 핵 온도가 상승하지 않는 방식으로 추가적인 물질을 얻게 되었을 때 중력붕괴가 일어난다. 두 경우 모두 항성의 온도가 그 자체 무게를 감당할 수 있을 만큼 높은 온도로 유지되지 못한다는 것이 공통된 요소이다.<sup id="cite_ref-Carroll5.8_86-0" class="reference"><a href="#cite_note-Carroll5.8-86"><span class="cite-bracket">[</span>84<span class="cite-bracket">]</span></a></sup> 별의 <a href="/wiki/%EC%B6%95%ED%87%B4%EC%95%95" class="mw-redirect" title="축퇴압">축퇴압</a>이 물질을 <a href="/wiki/%EC%B6%95%ED%87%B4%EB%AC%BC%EC%A7%88" title="축퇴물질">축퇴물질</a>로 응축시키면 붕괴는 멈춘다. 그 결과 다양한 유형의 <a href="/wiki/%EB%B0%80%EC%A7%91%EC%84%B1" title="밀집성">밀집성</a>이 만들어진다. 밀집성의 종류는 항성 외피층이 날아가버린 뒤 남은 잔해의 질량에 의해 결정된다. 이때 외피층이 날아가는 현상은 <a href="/wiki/%EC%B4%88%EC%8B%A0%EC%84%B1" title="초신성">초신성</a> 폭발일 수도 있고, 맥동일 수도 있고, <a href="/wiki/%ED%96%89%EC%84%B1%EC%83%81%EC%84%B1%EC%9A%B4" title="행성상성운">행성상성운</a> 형성일 수도 있다. 붕괴 이후의 질량은 붕괴 이전의 항성의 질량보다 훨씬 적어진다. 붕괴하기 전에 질량이 20 <i>M</i><sub>☉</sub> 이상인 항성의 잔해의 질량은 5 <i>M</i><sub>☉</sub>을 초과한다.<sup id="cite_ref-Carroll5.8_86-1" class="reference"><a href="#cite_note-Carroll5.8-86"><span class="cite-bracket">[</span>84<span class="cite-bracket">]</span></a></sup> </p><p>붕괴 이전의 별이 원래 무지막지하게 컸거나 또는 붕괴된 뒤 잔해 위로 추가적인 질량이 강착되어, 잔해의 질량이 3 ~ 4 <i>M</i><sub>☉</sub>(즉 <a href="/w/index.php?title=%ED%86%A8%EB%A8%BC%E2%80%93%EC%98%A4%ED%8E%9C%ED%95%98%EC%9D%B4%EB%A8%B8%E2%80%93%EB%B3%BC%EC%BD%94%ED%94%84_%ED%95%9C%EA%B3%84&action=edit&redlink=1" class="new" title="톨먼–오펜하이머–볼코프 한계 (없는 문서)">톨먼–오펜하이머–볼코프 한계</a><sup id="cite_ref-OV1939_26-1" class="reference"><a href="#cite_note-OV1939-26"><span class="cite-bracket">[</span>26<span class="cite-bracket">]</span></a></sup>)를 초과하게 되면, <a href="/wiki/%EC%A4%91%EC%84%B1%EC%9E%90" title="중성자">중성자</a> 축퇴압으로도 붕괴를 막을 수 없게 된다. 톨먼–오펜하이머–볼코프 한계를 넘어선 밀집성이 블랙홀로 붕괴하는 것을 멈출 수 있는 방법은 아직까지 밝혀진 바 없다(다만 쿼크의 축퇴압이 그 가능성이 있다. <a href="/wiki/%EC%BF%BC%ED%81%AC%EB%B3%84" title="쿼크별">쿼크별</a> 참조).<sup id="cite_ref-Carroll5.8_86-2" class="reference"><a href="#cite_note-Carroll5.8-86"><span class="cite-bracket">[</span>84<span class="cite-bracket">]</span></a></sup> </p><p>무거운 항성의 중력붕괴는 <a href="/wiki/%ED%95%AD%EC%84%B1%EC%A7%88%EB%9F%89_%EB%B8%94%EB%9E%99%ED%99%80" title="항성질량 블랙홀">항성질량 블랙홀</a>의 형성 원인으로 짐작된다. 초기 우주의 <a href="/wiki/%ED%95%AD%EC%84%B1_%ED%98%95%EC%84%B1" title="항성 형성">항성 형성</a> 때는 중원소가 없었기 때문에 태양 질량의 최소 1천배에 달하는, 현대의 우주에선 발생할 수 없는 매우 무거운 항성들이 생성되었을 것이다. 이 과정에서 항성이 초신성 폭발을 일으키지만 항성의 껍질이 매우 두꺼워서 항성 자체는 파괴되지 않고 유지되지만 중심핵은 매우 작은 <a class="mw-selflink selflink">블랙홀</a>로 바뀌었을 것이다. 이 블랙홀은 각운동량 보존의 법칙에 따라 모항성이 가지고 있던 회전 속도를 그대로 보존되면서 더 빨라지기 때문에 항성 내부에서 구성물질을 빨아먹으며 에딩턴 한계를 뛰어넘는 속도로 빠르게 성장한다. 우주 기준으로는 매우 짧은 기간(고작 수백만년)만에 이 거대한 항성은 수명을 다하게 되며, 그 결과로 질량 10<sup>3</sup> <i>M</i><sub>☉</sub> 이상의 블랙홀을 형성했다. 이 블랙홀들은 물질이 조밀하게 모여 있던 초기 우주의 환경에서 다른 항성이나 블랙홀, 성간 매질을 빨아먹으며 빠른 속도로 질량을 불려 대부분의 은하들의 중심에서 발견되는 <a href="/wiki/%EC%B4%88%EB%8C%80%EC%A7%88%EB%9F%89_%EB%B8%94%EB%9E%99%ED%99%80" title="초대질량 블랙홀">초대질량 블랙홀</a>들의 씨앗이 되었을 것이다. </p><p><sup id="cite_ref-ReesVolonteri_87-0" class="reference"><a href="#cite_note-ReesVolonteri-87"><span class="cite-bracket">[</span>85<span class="cite-bracket">]</span></a></sup> </p><p>중력붕괴 때 방출되는 에너지의 대부분은 매우 빠르게 방출되기에, 외부 관찰자는 이 과정의 끝을 제대로 볼 수 없다. 붕괴가 낙하하는 물질의 <a href="/wiki/%EA%B4%80%EC%84%B1%EA%B3%84" class="mw-redirect" title="관성계">관성계</a>에서 유한한 시간에 걸쳐 일어나는 현상이지만, 멀리 떨어져 있는 관찰자가 보기에는 낙하하는 물질이 점차 느려져 사건의 지평선 위에 멈추게 되는 것처럼 보이게 된다(<a href="/wiki/%EC%A4%91%EB%A0%A5%EC%A0%81_%EC%8B%9C%EA%B0%84%EC%A7%80%EC%97%B0" class="mw-redirect" title="중력적 시간지연">중력적 시간지연</a>). 붕괴하는 물질에서 방출되는 빛은 관찰자에게 닿기 위해 걸리는 시간이 점점 더 길어지고, 사건의 지평선 직전에서 방출된 빛의 지연되는 시간은 무한대에 이르게 된다. 때문에 외부의 관찰자는 사건의 지평선이 형성되는 순간을 절대 볼 수 없다. 대신 붕괴하는 물질들의 적색편이가 증가함에 따라 점차 어두워지고 최종적으로는 지워지듯 사라지는 것처럼 보일 것이다.<sup id="cite_ref-88" class="reference"><a href="#cite_note-88"><span class="cite-bracket">[</span>86<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading4"><h4 id="대폭발과_원시_블랙홀"><span id=".EB.8C.80.ED.8F.AD.EB.B0.9C.EA.B3.BC_.EC.9B.90.EC.8B.9C_.EB.B8.94.EB.9E.99.ED.99.80"></span>대폭발과 원시 블랙홀</h4><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=%EB%B8%94%EB%9E%99%ED%99%80&action=edit&section=13" title="부분 편집: 대폭발과 원시 블랙홀"><span>편집</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>중력붕괴는 엄청난 밀도를 필요로 한다. 오늘날의 우주에서는 이렇게 큰 밀도는 항성 내부에서만 발견되지만, <a href="/wiki/%EB%8C%80%ED%8F%AD%EB%B0%9C" title="대폭발">대폭발</a> 직후의 초기 우주는 밀도가 훨씬 컸기 때문에 블랙홀이 만들어질 수 있는 환경이 되었을 수도 있다. 질량이 균등하게 분포해 있으면 질량이 모이게 되지 않기 때문에, 단순히 높은 밀도만으로는 블랙홀이 형성되기 위한 조건으로는 부족하다. 이러한 높은 매질 속에서 <a href="/wiki/%EC%9B%90%EC%8B%9C_%EB%B8%94%EB%9E%99%ED%99%80" title="원시 블랙홀">원시 블랙홀</a>이 형성되기 위해서는 초기 밀도에 불균등한 요동이 존재하여 자체 중력을 통해 점차 요동이 증가해야 한다. 초기 우주에 대한 서로 다른 모형들은 이러한 요동의 정도가 얼마나 될지 제각기 달리 예측하고 있다. 많은 모형들이 블랙홀의 탄생을 예측하며, 그 질량은 <a href="/wiki/%ED%94%8C%EB%9E%91%ED%81%AC_%EC%A7%88%EB%9F%89" title="플랑크 질량">플랑크 질량</a> 수준에서 수십만 <i>M</i><sub>☉</sub> 수준까지 다양하다.<sup id="cite_ref-89" class="reference"><a href="#cite_note-89"><span class="cite-bracket">[</span>87<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading3"><h3 id="고에너지_충돌"><span id=".EA.B3.A0.EC.97.90.EB.84.88.EC.A7.80_.EC.B6.A9.EB.8F.8C"></span>고에너지 충돌</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=%EB%B8%94%EB%9E%99%ED%99%80&action=edit&section=14" title="부분 편집: 고에너지 충돌"><span>편집</span></a><span class="mw-editsection-bracket">]</span></span></div> <figure class="mw-default-size mw-halign-right" typeof="mw:File/Thumb"><a href="/wiki/%ED%8C%8C%EC%9D%BC:CMS_Higgs-event.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/1/1c/CMS_Higgs-event.jpg/220px-CMS_Higgs-event.jpg" decoding="async" width="220" height="203" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/1/1c/CMS_Higgs-event.jpg/330px-CMS_Higgs-event.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/1/1c/CMS_Higgs-event.jpg/440px-CMS_Higgs-event.jpg 2x" data-file-width="1104" data-file-height="1018" /></a><figcaption>CMS 감지기의 시뮬레이션. 이 충돌로 마이크로 블랙홀이 생성될 수 있다.</figcaption></figure> <p>중력붕괴는 블랙홀이 만들어질 수 있는 유일한 과정은 아니다. 원리적으로는 <a href="/wiki/%EA%B3%A0%EC%97%90%EB%84%88%EC%A7%80_%EB%AC%BC%EB%A6%AC%ED%95%99" class="mw-redirect" title="고에너지 물리학">고에너지</a> 환경에서의 충돌로 충분한 밀도가 형성되면 블랙홀이 만들어질 수 있다. 2002년 기준으로, <a href="/wiki/%EC%9E%85%EC%9E%90%EA%B0%80%EC%86%8D%EA%B8%B0" class="mw-redirect" title="입자가속기">입자가속기</a> 실험에서의 질량 균형 부족으로 인해 그러한 현상이 직접적 또는 간접적으로 감지된 적은 없다.<sup id="cite_ref-90" class="reference"><a href="#cite_note-90"><span class="cite-bracket">[</span>88<span class="cite-bracket">]</span></a></sup> 이는 블랙홀 질량의 최저 하한선이 존재할 수 있음을 시사한다. 그 하한선은 이론상으로 <a href="/wiki/%ED%94%8C%EB%9E%91%ED%81%AC_%EC%A7%88%EB%9F%89" title="플랑크 질량">플랑크 질량</a>(<span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle m_{P}={\sqrt {\hbar \ c/G}}=1.2\times 10^{19}\ \mathrm {GeV} /c^{2}\approx 2.2\times 10^{-8}\ \mathrm {kg} }"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <msub> <mi>m</mi> <mrow class="MJX-TeXAtom-ORD"> <mi>P</mi> </mrow> </msub> <mo>=</mo> <mrow class="MJX-TeXAtom-ORD"> <msqrt> <mi class="MJX-variant">ℏ<!-- ℏ --></mi> <mtext> </mtext> <mi>c</mi> <mrow class="MJX-TeXAtom-ORD"> <mo>/</mo> </mrow> <mi>G</mi> </msqrt> </mrow> <mo>=</mo> <mn>1.2</mn> <mo>×<!-- × --></mo> <msup> <mn>10</mn> <mrow class="MJX-TeXAtom-ORD"> <mn>19</mn> </mrow> </msup> <mtext> </mtext> <mrow class="MJX-TeXAtom-ORD"> <mi mathvariant="normal">G</mi> <mi mathvariant="normal">e</mi> <mi mathvariant="normal">V</mi> </mrow> <mrow class="MJX-TeXAtom-ORD"> <mo>/</mo> </mrow> <msup> <mi>c</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> </msup> <mo>≈<!-- ≈ --></mo> <mn>2.2</mn> <mo>×<!-- × --></mo> <msup> <mn>10</mn> <mrow class="MJX-TeXAtom-ORD"> <mo>−<!-- − --></mo> <mn>8</mn> </mrow> </msup> <mtext> </mtext> <mrow class="MJX-TeXAtom-ORD"> <mi mathvariant="normal">k</mi> <mi mathvariant="normal">g</mi> </mrow> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle m_{P}={\sqrt {\hbar \ c/G}}=1.2\times 10^{19}\ \mathrm {GeV} /c^{2}\approx 2.2\times 10^{-8}\ \mathrm {kg} }</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/9ef12005ce9ebf19eacadbcdc26650ccbfa79848" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -1.838ex; width:52.867ex; height:4.843ex;" alt="{\displaystyle m_{P}={\sqrt {\hbar \ c/G}}=1.2\times 10^{19}\ \mathrm {GeV} /c^{2}\approx 2.2\times 10^{-8}\ \mathrm {kg} }"></span>) 이하일 것으로 생각되며, 이 수준에서는 양자효과가 일반상대론의 예측들을 무효화시킬 것이다.<sup id="cite_ref-91" class="reference"><a href="#cite_note-91"><span class="cite-bracket">[</span>89<span class="cite-bracket">]</span></a></sup> 때문에 지구상 또는 근지구에서 벌어지는 고에너지 과정에서 블랙홀이 생성될 가능성은 단호히 배제된다. 그러나 양자중력 이론의 발전에 따라 플랑크 질량이 이전보다 낮게 잡힐 수도 있다. 일부 <a href="/w/index.php?title=%EB%B8%8C%EB%A0%88%EC%9D%B8%EC%9B%94%EB%93%9C&action=edit&redlink=1" class="new" title="브레인월드 (없는 문서)">브레인월드</a> 시나리오에서는 하한을 <span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle 1\ \mathrm {TeV} /c^{2}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mn>1</mn> <mtext> </mtext> <mrow class="MJX-TeXAtom-ORD"> <mi mathvariant="normal">T</mi> <mi mathvariant="normal">e</mi> <mi mathvariant="normal">V</mi> </mrow> <mrow class="MJX-TeXAtom-ORD"> <mo>/</mo> </mrow> <msup> <mi>c</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> </msup> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle 1\ \mathrm {TeV} /c^{2}}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/22c5384174ead39f93a4f35a78fbaa7db125f01b" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.838ex; width:9.42ex; height:3.176ex;" alt="{\displaystyle 1\ \mathrm {TeV} /c^{2}}"></span>로 잡기도 한다.<sup id="cite_ref-92" class="reference"><a href="#cite_note-92"><span class="cite-bracket">[</span>90<span class="cite-bracket">]</span></a></sup> 그렇다면 어쩌면 고에너지 <a href="/wiki/%EC%9A%B0%EC%A3%BC%EC%84%A0_(%EB%AC%BC%EB%A6%AC)" title="우주선 (물리)">우주선</a>이 지구의 대기를 때릴 때 또는 <a href="/wiki/CERN" class="mw-redirect" title="CERN">CERN</a>의 <a href="/wiki/%EB%8C%80%ED%98%95_%EA%B0%95%EC%9E%85%EC%9E%90_%EC%B6%A9%EB%8F%8C%EA%B8%B0" title="대형 강입자 충돌기">대형 강입자 충돌기</a> 내부에서 <a href="/wiki/%EB%A7%88%EC%9D%B4%ED%81%AC%EB%A1%9C_%EB%B8%94%EB%9E%99%ED%99%80" title="마이크로 블랙홀">마이크로 블랙홀</a>이 생성될 수 있다. 이러한 이론은 순전히 추측에 근거한 것이며, 많은 전문가들은 이러한 방식으로의 블랙홀 형성의 가능성을 낮게 보고 있다.<sup id="cite_ref-LHCsafety_93-0" class="reference"><a href="#cite_note-LHCsafety-93"><span class="cite-bracket">[</span>91<span class="cite-bracket">]</span></a></sup> 설사 마이크로 블랙홀이 형성된다 하더라도, 10<sup>−25</sup> 초 안에 <a href="/w/index.php?title=%EB%B8%94%EB%9E%99%ED%99%80_%EC%A6%9D%EB%B0%9C&action=edit&redlink=1" class="new" title="블랙홀 증발 (없는 문서)">증발</a>해 버릴 것으로 생각되기에 지구에는 거의 위협이 되지 못할 것이다.<sup id="cite_ref-94" class="reference"><a href="#cite_note-94"><span class="cite-bracket">[</span>92<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading3"><h3 id="블랙홀의_성장"><span id=".EB.B8.94.EB.9E.99.ED.99.80.EC.9D.98_.EC.84.B1.EC.9E.A5"></span>블랙홀의 성장</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=%EB%B8%94%EB%9E%99%ED%99%80&action=edit&section=15" title="부분 편집: 블랙홀의 성장"><span>편집</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>블랙홀은 일단 형성된 뒤에도 이후 질량을 추가적으로 흡수하여 성장할 수 있다. 모든 블랙홀은 주위의 기체, <a href="/wiki/%EC%84%B1%EA%B0%84%EC%A7%84" class="mw-redirect" title="성간진">성간진</a>, 그리고 우주 전체에 편재하는 <a href="/wiki/%EC%9A%B0%EC%A3%BC%EB%B0%B0%EA%B2%BD%EB%B3%B5%EC%82%AC" class="mw-redirect" title="우주배경복사">우주배경복사</a>를 지속적으로 흡수한다. 초대질량 블랙홀이 성장하는 주된 과정이 이러할 것으로 생각된다.<sup id="cite_ref-ReesVolonteri_87-1" class="reference"><a href="#cite_note-ReesVolonteri-87"><span class="cite-bracket">[</span>85<span class="cite-bracket">]</span></a></sup> <a href="/wiki/%EA%B5%AC%EC%83%81%EC%84%B1%EB%8B%A8" title="구상성단">구상성단</a>에서 발견되는 <a href="/wiki/%EC%A4%91%EA%B0%84%EC%A7%88%EB%9F%89_%EB%B8%94%EB%9E%99%ED%99%80" title="중간질량 블랙홀">중간질량 블랙홀</a>의 형성에 대해서도 유사한 과정이 추측된다.<sup id="cite_ref-95" class="reference"><a href="#cite_note-95"><span class="cite-bracket">[</span>93<span class="cite-bracket">]</span></a></sup> </p><p>블랙홀 성장의 또다른 가능성으로는, 블랙홀이 항성 또는 다른 블랙홀과 융합할 경우가 있다. 블랙홀이 성장하기 위해 굳이 다른 천체와 융합할 필요는 없지만, 이 요소는 매우 중요하며, 여러 작은 천체들을 집어삼키면서 성장했을 것으로 생각되는 초대질량 블랙홀의 초기 성장 과정에서 특히 그러하다.<sup id="cite_ref-ReesVolonteri_87-2" class="reference"><a href="#cite_note-ReesVolonteri-87"><span class="cite-bracket">[</span>85<span class="cite-bracket">]</span></a></sup> 중간질량 블랙홀 역시 같은 과정에 의한 성장 가능성이 제기되어 있다.<sup id="cite_ref-96" class="reference"><a href="#cite_note-96"><span class="cite-bracket">[</span>94<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-97" class="reference"><a href="#cite_note-97"><span class="cite-bracket">[</span>95<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading3"><h3 id="블랙홀의_증발"><span id=".EB.B8.94.EB.9E.99.ED.99.80.EC.9D.98_.EC.A6.9D.EB.B0.9C"></span>블랙홀의 증발</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=%EB%B8%94%EB%9E%99%ED%99%80&action=edit&section=16" title="부분 편집: 블랙홀의 증발"><span>편집</span></a><span class="mw-editsection-bracket">]</span></span></div> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r34311305"><div role="note" class="hatnote navigation-not-searchable"><span typeof="mw:File"><span><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/5/52/Icons8_flat_search.svg/18px-Icons8_flat_search.svg.png" decoding="async" width="18" height="18" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/5/52/Icons8_flat_search.svg/27px-Icons8_flat_search.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/5/52/Icons8_flat_search.svg/36px-Icons8_flat_search.svg.png 2x" data-file-width="512" data-file-height="512" /></span></span> 이 부분의 본문은 <a href="/wiki/%ED%98%B8%ED%82%B9_%EB%B3%B5%EC%82%AC" title="호킹 복사">호킹 복사</a>입니다.</div> <p>1974년, 호킹은 블랙홀이 완전히 검지 않으며, 작은 양의 열복사를 내보낼 것이라고 예측했으며,<sup id="cite_ref-Hawking1974_42-1" class="reference"><a href="#cite_note-Hawking1974-42"><span class="cite-bracket">[</span>42<span class="cite-bracket">]</span></a></sup> 그러한 현상을 현재 <a href="/wiki/%ED%98%B8%ED%82%B9_%EB%B3%B5%EC%82%AC" title="호킹 복사">호킹 복사</a>라고 부른다. 정지된 블랙홀에 <a href="/wiki/%EC%96%91%EC%9E%90%EC%9E%A5%EB%A1%A0" title="양자장론">양자장론</a>을 적용시킴으로써 호킹은 블랙홀은 완전한 <a href="/w/index.php?title=%ED%9D%91%EC%B2%B4_%EC%8A%A4%ED%8E%99%ED%8A%B8%EB%9F%BC&action=edit&redlink=1" class="new" title="흑체 스펙트럼 (없는 문서)">흑체 스펙트럼</a>을 나타내는 입자를 방출해야 한다고 결론내렸다. 호킹의 발표 이후 많은 다른 과학자들이 다양한 방법을 통해 같은 결과를 도출했다.<sup id="cite_ref-98" class="reference"><a href="#cite_note-98"><span class="cite-bracket">[</span>96<span class="cite-bracket">]</span></a></sup> 만일 호킹의 블랙홀 복사 이론이 정확하다면, 블랙홀은 시간이 지남에 따라 그 질량을 광자를 비롯한 입자들의 방출 형태로 상실하여 점점 작아지는 "증발"을 할 것이다.<sup id="cite_ref-Hawking1974_42-2" class="reference"><a href="#cite_note-Hawking1974-42"><span class="cite-bracket">[</span>42<span class="cite-bracket">]</span></a></sup> 이 열스펙트럼의 온도(<a href="/w/index.php?title=%ED%98%B8%ED%82%B9_%EC%98%A8%EB%8F%84&action=edit&redlink=1" class="new" title="호킹 온도 (없는 문서)">호킹 온도</a>)는 블랙홀의 <a href="/wiki/%ED%91%9C%EB%A9%B4%EC%A4%91%EB%A0%A5" title="표면중력">표면중력</a>에 비례하며, 그 표면중력은 슈바르츠실트 블랙홀의 경우 질량에 반비례한다. 즉, 큰 블랙홀이 작은 블랙홀보다 입자를 적게 방출하고 증발이 느리다.<sup id="cite_ref-99" class="reference"><a href="#cite_note-99"><span class="cite-bracket">[</span>97<span class="cite-bracket">]</span></a></sup> </p><p>질량 1 <i>M</i><sub>☉</sub>의 항성질량 블랙홀의 호킹 온도는 약 100 나노켈빈으로, 우주배경복사 2.7 켈빈보다도 훨씬 낮다. 항성질량 블랙홀 이상 체급의 블랙홀은 호킹 복사로 내보내는 질량보다 많은 질량을 우주배경복사에 의해 받아들이기 때문에 질량이 줄어들지 않고 오히려 늘어날 것이다. 호킹 온도가 2.7 켈빈 이상이 되려면(그리하여 증발이 일어나려면), 블랙홀의 질량은 우리 <a href="/wiki/%EB%8B%AC" title="달">달</a>보다 적어야 한다. 그런 블랙홀의 직경은 0.1 밀리미터 이하일 것이다.<sup id="cite_ref-100" class="reference"><a href="#cite_note-100"><span class="cite-bracket">[</span>98<span class="cite-bracket">]</span></a></sup> </p><p>블랙홀이 매우 작으면 그만큼 호킹 복사도 매우 강해질 것이다. 인간 정도의 질량을 가진 블랙홀은 순식간에 증발한다. 자동차 한 대 정도의 질량을 가진 블랙홀은 직경이 10<sup>−24</sup> 미터 정도이며, 1 나노초만에 증발하고, 그 찰나에 태양의 200배 이상의 광도로 빛날 것이다. 블랙홀의 질량이 작을 수록 증발은 빠르게 일어난다. 질량 1 TeV/<i>c</i><sup>2</sup>의 블랙홀이 완전히 증발하는 데 걸리는 시간은 10<sup>−88</sup> 초 이하이다. 가설상 이렇게 작은 블랙홀에서는 <a href="/wiki/%EC%96%91%EC%9E%90%EC%A4%91%EB%A0%A5" class="mw-redirect" title="양자중력">양자중력</a>효과가 큰 역할을 발휘하여 작은 블랙홀을 안정화시킬 것이다. 그러나 아직까지 양자중력 이론의 발전상에서 그러한 결과를 의미한다고 볼 만한 성과는 없다.<sup id="cite_ref-101" class="reference"><a href="#cite_note-101"><span class="cite-bracket">[</span>99<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-102" class="reference"><a href="#cite_note-102"><span class="cite-bracket">[</span>100<span class="cite-bracket">]</span></a></sup> </p><p>질량이 큰 천체물리학적 블랙홀들의 호킹 복사는 매우 약하여 지구에서 감지하기는 어려울 것이다. 다만 예외적으로 원시 블랙홀의 증발 막바지에 <a href="/wiki/%EA%B0%90%EB%A7%88%EC%84%A0%ED%8F%AD%EB%B0%9C" class="mw-redirect" title="감마선폭발">감마선폭발</a>이 일어난다면 관측이 가능할 수도 있다. 그러나 그러한 폭발을 찾으려는 시도는 성공적이지 못했으며, 질량이 작은 원시 블랙홀이 존재했을 가능성은 제한을 받는다.<sup id="cite_ref-103" class="reference"><a href="#cite_note-103"><span class="cite-bracket">[</span>101<span class="cite-bracket">]</span></a></sup> 2008년에 발사된 NASA의 <a href="/wiki/%ED%8E%98%EB%A5%B4%EB%AF%B8_%EA%B0%90%EB%A7%88%EC%84%A0_%EC%9A%B0%EC%A3%BC%EB%A7%9D%EC%9B%90%EA%B2%BD" title="페르미 감마선 우주망원경">페르미 감마선 우주망원경</a>은 여전히 감마선폭발을 찾아 수색을 계속하고 있다.<sup id="cite_ref-104" class="reference"><a href="#cite_note-104"><span class="cite-bracket">[</span>102<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="관측적_증거"><span id=".EA.B4.80.EC.B8.A1.EC.A0.81_.EC.A6.9D.EA.B1.B0"></span>관측적 증거</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=%EB%B8%94%EB%9E%99%ED%99%80&action=edit&section=17" title="부분 편집: 관측적 증거"><span>편집</span></a><span class="mw-editsection-bracket">]</span></span></div> <figure class="mw-default-size" typeof="mw:File/Thumb"><a href="/wiki/%ED%8C%8C%EC%9D%BC:Images_of_gas_cloud_being_ripped_apart_by_the_black_hole_at_the_centre_of_the_Milky_Way_ESO.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/1/15/Images_of_gas_cloud_being_ripped_apart_by_the_black_hole_at_the_centre_of_the_Milky_Way_ESO.jpg/260px-Images_of_gas_cloud_being_ripped_apart_by_the_black_hole_at_the_centre_of_the_Milky_Way_ESO.jpg" decoding="async" width="260" height="260" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/1/15/Images_of_gas_cloud_being_ripped_apart_by_the_black_hole_at_the_centre_of_the_Milky_Way_ESO.jpg/390px-Images_of_gas_cloud_being_ripped_apart_by_the_black_hole_at_the_centre_of_the_Milky_Way_ESO.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/1/15/Images_of_gas_cloud_being_ripped_apart_by_the_black_hole_at_the_centre_of_the_Milky_Way_ESO.jpg/520px-Images_of_gas_cloud_being_ripped_apart_by_the_black_hole_at_the_centre_of_the_Milky_Way_ESO.jpg 2x" data-file-width="1028" data-file-height="1029" /></a><figcaption><a href="/wiki/%EC%9A%B0%EB%A6%AC%EC%9D%80%ED%95%98" class="mw-redirect" title="우리은하">우리은하</a> 중심의 블랙홀에 의해 찢어지는 가스구름의 모습.<sup id="cite_ref-105" class="reference"><a href="#cite_note-105"><span class="cite-bracket">[</span>103<span class="cite-bracket">]</span></a></sup></figcaption></figure> <p>블랙홀은 그 성질상 이론상의 <a href="/wiki/%ED%98%B8%ED%82%B9_%EB%B3%B5%EC%82%AC" title="호킹 복사">호킹 복사</a>를 제외하면 직접적인 전자기 복사를 방출하지 않으며, 때문에 블랙홀을 찾는 <a href="/wiki/%EC%B2%9C%EC%B2%B4%EB%AC%BC%EB%A6%AC%ED%95%99" title="천체물리학">천체물리학자</a>들은 간접적 관측수단에 의존해야 한다. 예컨대 블랙홀 주위의 중력적 상호작용을 통해 블랙홀의 존재를 알아내는 것이 그러한 간접적 관측수단 중 하나이다. 그러나 MIT <a href="/w/index.php?title=%ED%97%A4%EC%9D%B4%EC%8A%A4%ED%83%9D_%EC%B2%9C%EB%AC%B8%EB%8C%80&action=edit&redlink=1" class="new" title="헤이스택 천문대 (없는 문서)">헤이스택 천문대</a>의 <a href="/w/index.php?title=%EC%82%AC%EA%B1%B4%EC%9D%98_%EC%A7%80%ED%8F%89%EC%84%A0_%EB%A7%9D%EC%9B%90%EA%B2%BD&action=edit&redlink=1" class="new" title="사건의 지평선 망원경 (없는 문서)">사건의 지평선 망원경</a>(EHT)는 우리은하 중심의 <a href="/wiki/%EA%B6%81%EC%88%98%EC%9E%90%EB%A6%AC_A*" title="궁수자리 A*">궁수자리 A*</a> 블랙홀에 대한 직접 관측을 시도 중이며, 2016년 초에는 최초로 사건의 지평선을 포착한 사진을 얻을 수 있을 것으로 예상하고 있다.<sup id="cite_ref-106" class="reference"><a href="#cite_note-106"><span class="cite-bracket">[</span>104<span class="cite-bracket">]</span></a></sup> 궁수자리 A*의 사건의 지평선 바로 바깥에 자기장이 존재할 것이라는 이론적 예상은 2015년 EHT에 의해 사실로 밝혀졌다.<sup id="cite_ref-107" class="reference"><a href="#cite_note-107"><span class="cite-bracket">[</span>105<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-108" class="reference"><a href="#cite_note-108"><span class="cite-bracket">[</span>106<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading3"><h3 id="중력파_관측"><span id=".EC.A4.91.EB.A0.A5.ED.8C.8C_.EA.B4.80.EC.B8.A1"></span>중력파 관측</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=%EB%B8%94%EB%9E%99%ED%99%80&action=edit&section=18" title="부분 편집: 중력파 관측"><span>편집</span></a><span class="mw-editsection-bracket">]</span></span></div> <p><a href="/wiki/LIGO" class="mw-redirect" title="LIGO">LIGO</a> 합동연구진은 2015년 9월 14일 지구에서 13억 광년 떨어진 질량 약 30 <i>M</i><sub>☉</sub>의 블랙홀 두 개가 서로 충돌하여 질량 60 <i>M</i><sub>☉</sub>의 단일 블랙홀로 융합될 때 발생한<sup id="cite_ref-PRL-20160211_10-1" class="reference"><a href="#cite_note-PRL-20160211-10"><span class="cite-bracket">[</span>10<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-Nature_11Feb16_109-0" class="reference"><a href="#cite_note-Nature_11Feb16-109"><span class="cite-bracket">[</span>107<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-110" class="reference"><a href="#cite_note-110"><span class="cite-bracket">[</span>108<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-Properties_111-0" class="reference"><a href="#cite_note-Properties-111"><span class="cite-bracket">[</span>109<span class="cite-bracket">]</span></a></sup> 중력파를 검출함으로써 최초로 <a href="/wiki/%EC%A4%91%EB%A0%A5%ED%8C%8C_%EA%B4%80%EC%B8%A1" title="중력파 관측">중력파 관측</a>에 성공했다고 2016년 2월 11일 발표했다.<sup id="cite_ref-NYT-20160211-db_112-0" class="reference"><a href="#cite_note-NYT-20160211-db-112"><span class="cite-bracket">[</span>110<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-NYT-20160211-lk_113-0" class="reference"><a href="#cite_note-NYT-20160211-lk-113"><span class="cite-bracket">[</span>111<span class="cite-bracket">]</span></a></sup> 연구원들 중 한 명 이상이 이 사건을 블랙홀을 직접적으로 감지한 최초의 사례라고 규정했다.<sup id="cite_ref-114" class="reference"><a href="#cite_note-114"><span class="cite-bracket">[</span>112<span class="cite-bracket">]</span></a></sup> LIGO의 중력파 검출 성공은 최초의 중력파 관측일 뿐 아니라 블랙홀 쌍성계가 서로 융합하는 것이 최초로 관측된 사례이기도 하다. 융합되기 직전 두 천체 사이의 거리는 불과 350 킬로미터였으며, 두 천체가 모두 블랙홀이라는 것 외에는 질량이 30 <i>M</i><sub>☉</sub>인 두 개의 천체가 이렇게 가까이 접근할 수 있었음에 대한 타당한 설명이 없다.<sup id="cite_ref-:0_115-0" class="reference"><a href="#cite_note-:0-115"><span class="cite-bracket">[</span>113<span class="cite-bracket">]</span></a></sup> 검출된 중력파의 특징은 융합된 이후에는 블랙홀이 안정화되면서 중력파가 급속히 감쇠하는 등, 두 블랙홀 사이의 융합으로 인해 발생할 중력파의 이론적 예상과 정확히 일치했다.<sup id="cite_ref-:0_115-1" class="reference"><a href="#cite_note-:0-115"><span class="cite-bracket">[</span>113<span class="cite-bracket">]</span></a></sup> 이 검출은 블랙홀의 존재가 예상되는 강력한 중력장 환경에서 일반상대론이 검증된 현재까지 가장 강력한 사례로서,<sup id="cite_ref-tests_116-0" class="reference"><a href="#cite_note-tests-116"><span class="cite-bracket">[</span>114<span class="cite-bracket">]</span></a></sup> 일반상대론의 예측과 배치되는 증거는 전혀 발견되지 않았다.<sup id="cite_ref-tests_116-1" class="reference"><a href="#cite_note-tests-116"><span class="cite-bracket">[</span>114<span class="cite-bracket">]</span></a></sup> 또한 질량 25 <i>M</i><sub>☉</sub> 이상의 항성질량 블랙홀이 자연계에서 형성될 수 있다는 첫 증거이기도 하다.<sup id="cite_ref-implications_117-0" class="reference"><a href="#cite_note-implications-117"><span class="cite-bracket">[</span>115<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading3"><h3 id="궁수자리_A*_공전_항성의_고유운동"><span id=".EA.B6.81.EC.88.98.EC.9E.90.EB.A6.AC_A.2A_.EA.B3.B5.EC.A0.84_.ED.95.AD.EC.84.B1.EC.9D.98_.EA.B3.A0.EC.9C.A0.EC.9A.B4.EB.8F.99"></span>궁수자리 A* 공전 항성의 고유운동</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=%EB%B8%94%EB%9E%99%ED%99%80&action=edit&section=19" title="부분 편집: 궁수자리 A* 공전 항성의 고유운동"><span>편집</span></a><span class="mw-editsection-bracket">]</span></span></div> <figure class="mw-default-size" typeof="mw:File/Thumb"><a href="/wiki/%ED%8C%8C%EC%9D%BC:A_simulation_of_how_a_gas_cloud_that_has_been_observed_approaching_the_supermassive_black_hole_at_the_centre_of_the_galaxy.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/3/33/A_simulation_of_how_a_gas_cloud_that_has_been_observed_approaching_the_supermassive_black_hole_at_the_centre_of_the_galaxy.jpg/220px-A_simulation_of_how_a_gas_cloud_that_has_been_observed_approaching_the_supermassive_black_hole_at_the_centre_of_the_galaxy.jpg" decoding="async" width="220" height="124" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/3/33/A_simulation_of_how_a_gas_cloud_that_has_been_observed_approaching_the_supermassive_black_hole_at_the_centre_of_the_galaxy.jpg/330px-A_simulation_of_how_a_gas_cloud_that_has_been_observed_approaching_the_supermassive_black_hole_at_the_centre_of_the_galaxy.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/3/33/A_simulation_of_how_a_gas_cloud_that_has_been_observed_approaching_the_supermassive_black_hole_at_the_centre_of_the_galaxy.jpg/440px-A_simulation_of_how_a_gas_cloud_that_has_been_observed_approaching_the_supermassive_black_hole_at_the_centre_of_the_galaxy.jpg 2x" data-file-width="4000" data-file-height="2250" /></a><figcaption>우리은하 중심의 블랙홀로 접근하는 가스구름을 시뮬레이션한 것. 푸른 선들은 블랙홀 주위를 공전하는 항성들의 궤도이다.<sup id="cite_ref-118" class="reference"><a href="#cite_note-118"><span class="cite-bracket">[</span>116<span class="cite-bracket">]</span></a></sup></figcaption></figure> <p><a href="/wiki/%EC%9A%B0%EB%A6%AC%EC%9D%80%ED%95%98" class="mw-redirect" title="우리은하">우리은하</a> 중심 근처의 항성들의 <a href="/wiki/%EA%B3%A0%EC%9C%A0%EC%9A%B4%EB%8F%99" title="고유운동">고유운동</a>은 그 항성들이 초대질량 블랙홀을 공전하고 있을 것이라는 강한 관측적 증거를 제공한다.<sup id="cite_ref-Gillessen_119-0" class="reference"><a href="#cite_note-Gillessen-119"><span class="cite-bracket">[</span>117<span class="cite-bracket">]</span></a></sup> 1995년 이래로 천문학자들은 전파원 궁수자리 A*와 같은 위치의 보이지 않는 천체를 공전하는 90개의 별들의 운동을 추적해왔으며, 그 운동을 <a href="/wiki/%EC%BC%80%ED%94%8C%EB%9F%AC_%EA%B6%A4%EB%8F%84" title="케플러 궤도">케플러 궤도</a>에 대입함으로써 1998년, 이 항성들의 운동을 유발시키기 위해서는 반경 0.02 <a href="/wiki/%EA%B4%91%EB%85%84" title="광년">광년</a>의 부피 속에 질량 2백 6십만 <i>M</i><sub>☉</sub>이 들어 있어야 한다는 결론을 얻어냈다.<sup id="cite_ref-Ghez1998_120-0" class="reference"><a href="#cite_note-Ghez1998-120"><span class="cite-bracket">[</span>118<span class="cite-bracket">]</span></a></sup> 그 이래로 항성들 중 하나(<a href="/wiki/S2_(%ED%95%AD%EC%84%B1)" title="S2 (항성)">S2</a>)가 1회 공전을 완료했다. 천문학자들은 궤도 데이터로부터 재계산하여 항성들의 운동을 유발시키기 위해서는 반경 0.002 광년의 부피 속에 질량 4백 3십만 <i>M</i><sub>☉</sub>이 들어 있어야 한다고 결론내렸다.<sup id="cite_ref-Gillessen_119-1" class="reference"><a href="#cite_note-Gillessen-119"><span class="cite-bracket">[</span>117<span class="cite-bracket">]</span></a></sup> 크기 상한이 여전히 너무 커서 이것이 슈바르츠실트 반경 이하인지 알아내는 데 어려움이 있다. 그럼에도 불구하고 관측 결과는 중심의 천체가 초대질량 블랙홀임을 강하게 시사하고 있다. 그 이외에 이렇게 작은 부피 속에 엄청난 양의 보이지 않는 질량이 존재하는 경우에 대한 다른 타당한 설명을 제공할 수 없다.<sup id="cite_ref-Ghez1998_120-1" class="reference"><a href="#cite_note-Ghez1998-120"><span class="cite-bracket">[</span>118<span class="cite-bracket">]</span></a></sup> 또한 이 천체가 블랙홀 특유의 특징인 사건의 지평선을 가지고 있다는 관측적 증거도 존재한다.<sup id="cite_ref-121" class="reference"><a href="#cite_note-121"><span class="cite-bracket">[</span>119<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading3"><h3 id="물질_강착"><span id=".EB.AC.BC.EC.A7.88_.EA.B0.95.EC.B0.A9"></span>물질 강착</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=%EB%B8%94%EB%9E%99%ED%99%80&action=edit&section=20" title="부분 편집: 물질 강착"><span>편집</span></a><span class="mw-editsection-bracket">]</span></span></div> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r34311305"><div role="note" class="hatnote navigation-not-searchable"><span typeof="mw:File"><span><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/5/52/Icons8_flat_search.svg/18px-Icons8_flat_search.svg.png" decoding="async" width="18" height="18" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/5/52/Icons8_flat_search.svg/27px-Icons8_flat_search.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/5/52/Icons8_flat_search.svg/36px-Icons8_flat_search.svg.png 2x" data-file-width="512" data-file-height="512" /></span></span> 이 부분의 본문은 <a href="/wiki/%EA%B0%95%EC%B0%A9%EC%9B%90%EB%B0%98" title="강착원반">강착원반</a>입니다.</div> <figure class="mw-default-size mw-halign-left" typeof="mw:File/Thumb"><a href="/wiki/%ED%8C%8C%EC%9D%BC:Black_Holes_-_Monsters_in_Space.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/f/f0/Black_Holes_-_Monsters_in_Space.jpg/260px-Black_Holes_-_Monsters_in_Space.jpg" decoding="async" width="260" height="146" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/f/f0/Black_Holes_-_Monsters_in_Space.jpg/390px-Black_Holes_-_Monsters_in_Space.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/f/f0/Black_Holes_-_Monsters_in_Space.jpg/520px-Black_Holes_-_Monsters_in_Space.jpg 2x" data-file-width="4400" data-file-height="2475" /></a><figcaption>코로나, 엑스선원을 가진 블랙홀(상상도).<sup id="cite_ref-NASA-20140812_122-0" class="reference"><a href="#cite_note-NASA-20140812-122"><span class="cite-bracket">[</span>120<span class="cite-bracket">]</span></a></sup></figcaption></figure> <p>질량이 큰 천체로 인해 생성된 <a href="/w/index.php?title=%EC%A4%91%EB%A0%A5_%EC%9A%B0%EB%AC%BC&action=edit&redlink=1" class="new" title="중력 우물 (없는 문서)">중력 우물</a>로 낙하하는 기체는 <a href="/wiki/%EA%B0%81%EC%9A%B4%EB%8F%99%EB%9F%89_%EB%B3%B4%EC%A1%B4" class="mw-redirect" title="각운동량 보존">각운동량 보존</a>에 의해, 그 천체 주위로 원반 모양의 구조를 형성하게 된다. 보통 천체예술가들의 상상도에 그려지는 강착원반을 가진 블랙홀은 왼쪽 상상도처럼 마치 원반이 평면적 존재이고 블랙홀 뒤의 원반은 블랙홀에 의해 가려지는 것처럼 묘사되곤 한다. 그러나 보다 정확한 수학적 모형은<sup id="cite_ref-123" class="reference"><a href="#cite_note-123"><span class="cite-bracket">[</span>121<span class="cite-bracket">]</span></a></sup> 블랙홀 뒤쪽의 원반에서 나오는 빛의 경로가 왜곡됨으로써 어느 쪽에서 보아도 원반의 전체 모양이 보일 것이고, 또 원반 아래쪽의 2차 상이 부분적으로 보일 것이라고 예측하고 있다. </p> <figure class="mw-default-size" typeof="mw:File/Thumb"><a href="/wiki/%ED%8C%8C%EC%9D%BC:CNRSblackhole.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/3/3b/CNRSblackhole.jpg/220px-CNRSblackhole.jpg" decoding="async" width="220" height="117" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/3/3b/CNRSblackhole.jpg/330px-CNRSblackhole.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/3/3b/CNRSblackhole.jpg/440px-CNRSblackhole.jpg 2x" data-file-width="900" data-file-height="480" /></a><figcaption>슈바르츠실트 블랙홀의 사건의 지평선 바깥에 강착원반이 존재할 경우를 예측한 모습</figcaption></figure> <p>강착원반 내부에서는 마찰력으로 인해 각운동량이 소실되며 물질이 점점 안쪽으로 낙하한다. 그러면서 위치에너지가 방출되고 기체의 온도는 계속 올라간다.<sup id="cite_ref-McClintockRemillard2006_124-0" class="reference"><a href="#cite_note-McClintockRemillard2006-124"><span class="cite-bracket">[</span>122<span class="cite-bracket">]</span></a></sup> </p> <figure class="mw-default-size mw-halign-left" typeof="mw:File/Thumb"><a href="/wiki/%ED%8C%8C%EC%9D%BC:PIA18467-NuSTAR-Plot-BlackHole-BlursLight-20140812.png" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/d/d9/PIA18467-NuSTAR-Plot-BlackHole-BlursLight-20140812.png/260px-PIA18467-NuSTAR-Plot-BlackHole-BlursLight-20140812.png" decoding="async" width="260" height="201" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/d/d9/PIA18467-NuSTAR-Plot-BlackHole-BlursLight-20140812.png/390px-PIA18467-NuSTAR-Plot-BlackHole-BlursLight-20140812.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/d/d9/PIA18467-NuSTAR-Plot-BlackHole-BlursLight-20140812.png/520px-PIA18467-NuSTAR-Plot-BlackHole-BlursLight-20140812.png 2x" data-file-width="3300" data-file-height="2550" /></a><figcaption>블랙홀 근처에서 일어나는 엑스선의 흐려짐(<a href="/wiki/NuSTAR" class="mw-redirect" title="NuSTAR">NuSTAR</a>; 2014년 8월 12일).<sup id="cite_ref-NASA-20140812_122-1" class="reference"><a href="#cite_note-NASA-20140812-122"><span class="cite-bracket">[</span>120<span class="cite-bracket">]</span></a></sup></figcaption></figure><p> 강착을 일으키는 천체가 <a href="/wiki/%EC%A4%91%EC%84%B1%EC%9E%90%EB%B3%84" title="중성자별">중성자별</a>이나 블랙홀일 경우, 강착원반 안쪽의 가스는 <a href="/wiki/%EB%B0%80%EC%A7%91%EC%84%B1" title="밀집성">밀집성</a> 본체에 매우 가까워져 엄청난 고속으로 회전할 것이다. 그러면 마찰력이 너무 강해져서 원반이 전자기 복사(주로 엑스선)를 방출할 만큼 뜨거워진다. 이렇게 밝은 엑스선원들은 망원경으로 관측이 가능하다. 강착원반의 엑스선 방출은 지금까지 알려진 가장 에너지 효율이 높은 과정에 속한다. 항성 내부 핵융합이 질량의 0.7%를 에너지로 방출하는 반면, 강착원반은 질량의 40%를 복사 에너지로 방출시킨다.<sup id="cite_ref-McClintockRemillard2006_124-1" class="reference"><a href="#cite_note-McClintockRemillard2006-124"><span class="cite-bracket">[</span>122<span class="cite-bracket">]</span></a></sup> 많은 경우 강착원반은 밀집성의 양극 방향으로 분출되는 엄청난 에너지의 <a href="/wiki/%EC%83%81%EB%8C%80%EB%A1%A0%EC%A0%81_%EC%A0%9C%ED%8A%B8" class="mw-redirect" title="상대론적 제트">상대론적 제트</a>를 수반한다. 이 제트가 만들어지는 과정은 현재로서 완전히 이해되지 못하고 있다. </p><p>때문에 우주의 대규모 에너지 현상들은 대부분 블랙홀의 질량 강착이 그 원인으로 지목되고 있다. 특히 <a href="/wiki/%ED%99%9C%EB%8F%99%EC%9D%80%ED%95%98%ED%95%B5" title="활동은하핵">활동은하핵</a>과 <a href="/wiki/%ED%80%98%EC%9D%B4%EC%82%AC" title="퀘이사">퀘이사</a>는 초대질량 블랙홀의 질량 강착 현상으로 생각된다.<sup id="cite_ref-CMS1999_125-0" class="reference"><a href="#cite_note-CMS1999-125"><span class="cite-bracket">[</span>123<span class="cite-bracket">]</span></a></sup> 유사한 원리로 엑스선 쌍성계 역시 하나의 밀집성과 그 밀집성에 질량을 강착당하는 동반성으로 이루어진 <a href="/wiki/%EC%8C%8D%EC%84%B1%EA%B3%84" class="mw-redirect" title="쌍성계">쌍성계</a>라는 생각이 널리 받아들여지고 있다.<sup id="cite_ref-CMS1999_125-1" class="reference"><a href="#cite_note-CMS1999-125"><span class="cite-bracket">[</span>123<span class="cite-bracket">]</span></a></sup> 또한 일부 <a href="/w/index.php?title=%EC%B4%88%EB%8C%80%EA%B4%91%EB%8F%84_%EC%97%91%EC%8A%A4%EC%84%A0%EC%9B%90&action=edit&redlink=1" class="new" title="초대광도 엑스선원 (없는 문서)">초대광도 엑스선원</a>의 정체가 <a href="/wiki/%EC%A4%91%EA%B0%84%EC%A7%88%EB%9F%89_%EB%B8%94%EB%9E%99%ED%99%80" title="중간질량 블랙홀">중간질량 블랙홀</a>의 강착원반이라는 학설도 제기되고 있다.<sup id="cite_ref-126" class="reference"><a href="#cite_note-126"><span class="cite-bracket">[</span>124<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading3"><h3 id="엑스선_쌍성계"><span id=".EC.97.91.EC.8A.A4.EC.84.A0_.EC.8C.8D.EC.84.B1.EA.B3.84"></span>엑스선 쌍성계</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=%EB%B8%94%EB%9E%99%ED%99%80&action=edit&section=21" title="부분 편집: 엑스선 쌍성계"><span>편집</span></a><span class="mw-editsection-bracket">]</span></span></div> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r34311305"><div role="note" class="hatnote navigation-not-searchable"><span typeof="mw:File"><span><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/5/52/Icons8_flat_search.svg/18px-Icons8_flat_search.svg.png" decoding="async" width="18" height="18" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/5/52/Icons8_flat_search.svg/27px-Icons8_flat_search.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/5/52/Icons8_flat_search.svg/36px-Icons8_flat_search.svg.png 2x" data-file-width="512" data-file-height="512" /></span></span> <a href="/wiki/%EC%97%91%EC%8A%A4%EC%84%A0_%EC%8C%8D%EC%84%B1" title="엑스선 쌍성">엑스선 쌍성</a> 문서를 참고하십시오.</div> <figure class="mw-default-size" typeof="mw:File/Thumb"><span><video id="mwe_player_0" poster="//upload.wikimedia.org/wikipedia/commons/thumb/3/3e/A_star_is_consumed_by_a_black_hole.ogv/260px--A_star_is_consumed_by_a_black_hole.ogv.jpg" controls="" preload="none" data-mw-tmh="" class="mw-file-element" width="260" height="146" data-durationhint="53" data-mwtitle="A_star_is_consumed_by_a_black_hole.ogv" data-mwprovider="wikimediacommons" resource="/wiki/%ED%8C%8C%EC%9D%BC:A_star_is_consumed_by_a_black_hole.ogv"><source src="//upload.wikimedia.org/wikipedia/commons/transcoded/3/3e/A_star_is_consumed_by_a_black_hole.ogv/A_star_is_consumed_by_a_black_hole.ogv.480p.vp9.webm" type="video/webm; codecs="vp9, opus"" data-transcodekey="480p.vp9.webm" data-width="854" data-height="480" /><source src="//upload.wikimedia.org/wikipedia/commons/3/3e/A_star_is_consumed_by_a_black_hole.ogv" type="video/ogg; codecs="theora, vorbis"" data-width="960" data-height="540" /><source src="//upload.wikimedia.org/wikipedia/commons/transcoded/3/3e/A_star_is_consumed_by_a_black_hole.ogv/A_star_is_consumed_by_a_black_hole.ogv.144p.mjpeg.mov" type="video/quicktime" data-transcodekey="144p.mjpeg.mov" data-width="256" data-height="144" /><source src="//upload.wikimedia.org/wikipedia/commons/transcoded/3/3e/A_star_is_consumed_by_a_black_hole.ogv/A_star_is_consumed_by_a_black_hole.ogv.240p.vp9.webm" type="video/webm; codecs="vp9, opus"" data-transcodekey="240p.vp9.webm" data-width="426" data-height="240" /><source src="//upload.wikimedia.org/wikipedia/commons/transcoded/3/3e/A_star_is_consumed_by_a_black_hole.ogv/A_star_is_consumed_by_a_black_hole.ogv.360p.vp9.webm" type="video/webm; codecs="vp9, opus"" data-transcodekey="360p.vp9.webm" data-width="640" data-height="360" /><source src="//upload.wikimedia.org/wikipedia/commons/transcoded/3/3e/A_star_is_consumed_by_a_black_hole.ogv/A_star_is_consumed_by_a_black_hole.ogv.360p.webm" type="video/webm; codecs="vp8, vorbis"" data-transcodekey="360p.webm" data-width="640" data-height="360" /></video></span><figcaption>블랙홀에 집어삼켜지는 항성의 컴퓨터 시뮬레이션. 푸른 점이 블랙홀의 위치이다.</figcaption></figure> <figure class="mw-default-size" typeof="mw:File/Thumb"><a href="/wiki/%ED%8C%8C%EC%9D%BC:Chandra_image_of_Cygnus_X-1.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/2/21/Chandra_image_of_Cygnus_X-1.jpg/260px-Chandra_image_of_Cygnus_X-1.jpg" decoding="async" width="260" height="260" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/2/21/Chandra_image_of_Cygnus_X-1.jpg/390px-Chandra_image_of_Cygnus_X-1.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/2/21/Chandra_image_of_Cygnus_X-1.jpg/520px-Chandra_image_of_Cygnus_X-1.jpg 2x" data-file-width="2400" data-file-height="2400" /></a><figcaption>최초로 발견된 블랙홀 후보 천체 중 하나인 <a href="/wiki/%EB%B0%B1%EC%A1%B0%EC%9E%90%EB%A6%AC_X-1" title="백조자리 X-1">백조자리 X-1</a>를 <a href="/wiki/%EC%B0%AC%EB%93%9C%EB%9D%BC_%EC%97%91%EC%8A%A4%EC%84%A0_%EA%B4%80%EC%B8%A1%EC%84%A0" class="mw-redirect" title="찬드라 엑스선 관측선">찬드라 엑스선 관측선</a>이 촬영한 사진.</figcaption></figure> <figure class="mw-default-size" typeof="mw:File/Thumb"><span><video id="mwe_player_1" poster="//upload.wikimedia.org/wikipedia/commons/thumb/a/a7/RXTE_Detects_Heartbeat_Of_Smallest_Black_Hole_Candidate.ogv/260px--RXTE_Detects_Heartbeat_Of_Smallest_Black_Hole_Candidate.ogv.jpg" controls="" preload="none" data-mw-tmh="" class="mw-file-element" width="260" height="146" data-durationhint="92" data-mwtitle="RXTE_Detects_Heartbeat_Of_Smallest_Black_Hole_Candidate.ogv" data-mwprovider="wikimediacommons" resource="/wiki/%ED%8C%8C%EC%9D%BC:RXTE_Detects_Heartbeat_Of_Smallest_Black_Hole_Candidate.ogv"><source src="//upload.wikimedia.org/wikipedia/commons/transcoded/a/a7/RXTE_Detects_Heartbeat_Of_Smallest_Black_Hole_Candidate.ogv/RXTE_Detects_Heartbeat_Of_Smallest_Black_Hole_Candidate.ogv.480p.vp9.webm" type="video/webm; codecs="vp9, opus"" data-transcodekey="480p.vp9.webm" data-width="854" data-height="480" /><source src="//upload.wikimedia.org/wikipedia/commons/transcoded/a/a7/RXTE_Detects_Heartbeat_Of_Smallest_Black_Hole_Candidate.ogv/RXTE_Detects_Heartbeat_Of_Smallest_Black_Hole_Candidate.ogv.720p.vp9.webm" type="video/webm; codecs="vp9, opus"" data-transcodekey="720p.vp9.webm" data-width="1280" data-height="720" /><source src="//upload.wikimedia.org/wikipedia/commons/a/a7/RXTE_Detects_Heartbeat_Of_Smallest_Black_Hole_Candidate.ogv" type="video/ogg; codecs="theora, vorbis"" data-width="1280" data-height="720" /><source src="//upload.wikimedia.org/wikipedia/commons/transcoded/a/a7/RXTE_Detects_Heartbeat_Of_Smallest_Black_Hole_Candidate.ogv/RXTE_Detects_Heartbeat_Of_Smallest_Black_Hole_Candidate.ogv.144p.mjpeg.mov" type="video/quicktime" data-transcodekey="144p.mjpeg.mov" data-width="256" data-height="144" /><source src="//upload.wikimedia.org/wikipedia/commons/transcoded/a/a7/RXTE_Detects_Heartbeat_Of_Smallest_Black_Hole_Candidate.ogv/RXTE_Detects_Heartbeat_Of_Smallest_Black_Hole_Candidate.ogv.240p.vp9.webm" type="video/webm; codecs="vp9, opus"" data-transcodekey="240p.vp9.webm" data-width="426" data-height="240" /><source src="//upload.wikimedia.org/wikipedia/commons/transcoded/a/a7/RXTE_Detects_Heartbeat_Of_Smallest_Black_Hole_Candidate.ogv/RXTE_Detects_Heartbeat_Of_Smallest_Black_Hole_Candidate.ogv.360p.vp9.webm" type="video/webm; codecs="vp9, opus"" data-transcodekey="360p.vp9.webm" data-width="640" data-height="360" /><source src="//upload.wikimedia.org/wikipedia/commons/transcoded/a/a7/RXTE_Detects_Heartbeat_Of_Smallest_Black_Hole_Candidate.ogv/RXTE_Detects_Heartbeat_Of_Smallest_Black_Hole_Candidate.ogv.360p.webm" type="video/webm; codecs="vp8, vorbis"" data-transcodekey="360p.webm" data-width="640" data-height="360" /></video></span><figcaption>이 애니메이션은 두 블랙홀 GRS 1915와 IGR J17091이 동반성으로부터 엑스선을 흡수하며 엑스선을 박동치는 것을 비교해서 보여주고 있다.</figcaption></figure> <p><a href="/wiki/%EC%97%91%EC%8A%A4%EC%84%A0_%EC%8C%8D%EC%84%B1" title="엑스선 쌍성">엑스선 쌍성</a>은 그 빛의 대부분을 <a href="/wiki/%EC%97%91%EC%8A%A4%EC%84%A0" title="엑스선">엑스선</a> 대역에서 복사하는 <a href="/wiki/%EC%8C%8D%EC%84%B1" title="쌍성">쌍성계</a>이다. 이 엑스선 방출은 대개 쌍성계의 두 별 중 하나(밀집성)가 동반성(보통 별)의 물질을 <a href="/wiki/%EA%B0%95%EC%B0%A9" title="강착">강착</a>하여 일어나는 것으로 이해되고 있다. 이러한 계에 보통 별이 존재하는 것은 밀집성을 연구하는 데 매우 좋은 기회이며, 그 밀집성이 블랙홀인지 여부도 알아낼 수 있다. </p><p>만약 엑스선 쌍성계가 밀집성에서 직접 나오는 신호를 방출한다면, 그 밀집성은 블랙홀이 아니다. 그러나 직접 신호가 없다고 해서 밀집성이 블랙홀이 아닌 중성자별일 가능성을 배제할 수 있는 것은 아니다. 동반성을 연구함으로써 쌍성계의 공전궤도의 특징을 알아낼 수 있으며, 이를 통해 밀집성의 질량을 알아낸다. 만일 이 질량이 툴먼–오펜하이머–볼코프 한계, 즉 중성자별이 붕괴하지 않고 유지될 수 있는 최대 질량을 초과한다면 그 밀집성의 정체는 블랙홀로 여겨진다.<sup id="cite_ref-CMS1999_125-2" class="reference"><a href="#cite_note-CMS1999-125"><span class="cite-bracket">[</span>123<span class="cite-bracket">]</span></a></sup> </p><p><a href="/w/index.php?title=%EC%B0%B0%EC%8A%A4_%ED%86%A0%EB%A8%B8%EC%8A%A4_%EB%B3%BC%ED%8A%BC&action=edit&redlink=1" class="new" title="찰스 토머스 볼튼 (없는 문서)">찰스 토머스 볼튼</a>,<sup id="cite_ref-127" class="reference"><a href="#cite_note-127"><span class="cite-bracket">[</span>125<span class="cite-bracket">]</span></a></sup> 루이스 웹스터(Louise Webster), 파울 무르딘(Paul Murdin)이<sup id="cite_ref-128" class="reference"><a href="#cite_note-128"><span class="cite-bracket">[</span>126<span class="cite-bracket">]</span></a></sup> 1972년에 최초의 강력한 블랙홀 후보 천체 <a href="/wiki/%EB%B0%B1%EC%A1%B0%EC%9E%90%EB%A6%AC_X-1" title="백조자리 X-1">백조자리 X-1</a>를 이 방식으로 발견해냈다.<sup id="cite_ref-129" class="reference"><a href="#cite_note-129"><span class="cite-bracket">[</span>127<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-130" class="reference"><a href="#cite_note-130"><span class="cite-bracket">[</span>128<span class="cite-bracket">]</span></a></sup> 그러나 동반성이 블랙홀 후보보다 더 무거울 수 있기에 이 방법에는 다소의 불확실성이 남아 있다.<sup id="cite_ref-CMS1999_125-3" class="reference"><a href="#cite_note-CMS1999-125"><span class="cite-bracket">[</span>123<span class="cite-bracket">]</span></a></sup> 현재는 엑스선 쌍성계 중에서도 일시적 연엑스선(X-ray transients)으로 분류되는 계들에서 블랙홀 후보들이 보다 더 잘 발견된다.<sup id="cite_ref-CMS1999_125-4" class="reference"><a href="#cite_note-CMS1999-125"><span class="cite-bracket">[</span>123<span class="cite-bracket">]</span></a></sup> 이 종류의 쌍성계에서는 밀집성의 동반성의 질량이 상대적으로 작으며, 그 때문에 블랙홀의 질량을 보다 정확하게 추산할 수 있다. 또한 이들 계는 10 ~ 50년 동안 불과 수 개월 동안만 엑스선을 활발하게 방출한다. 엑스선 방출이 저조해지는 시기를 휴면기(quiescence)라 하며, 이 때 강착원반이 극도로 어두워져 동반성을 세밀하게 관측할 수 있게 된다. 이러한 블랙홀 후보 중 가장 적절한 예가 <a href="/w/index.php?title=%EB%B0%B1%EC%A1%B0%EC%9E%90%EB%A6%AC_V404&action=edit&redlink=1" class="new" title="백조자리 V404 (없는 문서)">백조자리 V404</a>이다. </p> <div class="mw-heading mw-heading4"><h4 id="휴면기와_이류성_강착"><span id=".ED.9C.B4.EB.A9.B4.EA.B8.B0.EC.99.80_.EC.9D.B4.EB.A5.98.EC.84.B1_.EA.B0.95.EC.B0.A9"></span>휴면기와 이류성 강착</h4><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=%EB%B8%94%EB%9E%99%ED%99%80&action=edit&section=22" title="부분 편집: 휴면기와 이류성 강착"><span>편집</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>휴면기에 엑스선 쌍성계의 강착원반이 어두워지는 것은 질량의 흐름이 이류성 강착(advection-dominated accretion flow; ADAF)의 형태가 되기 때문으로 생각된다. 이 상태에서는 강착원반의 마찰로 생성되는 에너지의 거의 전부가 복사되지 않고 흐름을 따라 흘러가 버린다. 이 모형이 옳다면, 이는 사건의 지평선의 존재의 강력한 정성적 증거가 된다.<sup id="cite_ref-131" class="reference"><a href="#cite_note-131"><span class="cite-bracket">[</span>129<span class="cite-bracket">]</span></a></sup> 만일 강착원반 중심의 천체가 사건의 지평선이 아닌 고형의 표면을 가지고 있다면 강착되는 고에너지 기체가 그 표면을 때릴 때 대량의 에너지가 복사로 방출될 것이며, 이러한 효과는 유사한 상태의 중성자별에 대하여 관측된 바 있다.<sup id="cite_ref-McClintockRemillard2006_124-2" class="reference"><a href="#cite_note-McClintockRemillard2006-124"><span class="cite-bracket">[</span>122<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading4"><h4 id="준주기적_진동"><span id=".EC.A4.80.EC.A3.BC.EA.B8.B0.EC.A0.81_.EC.A7.84.EB.8F.99"></span>준주기적 진동</h4><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=%EB%B8%94%EB%9E%99%ED%99%80&action=edit&section=23" title="부분 편집: 준주기적 진동"><span>편집</span></a><span class="mw-editsection-bracket">]</span></span></div> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r34311305"><div role="note" class="hatnote navigation-not-searchable"><span typeof="mw:File"><span><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/5/52/Icons8_flat_search.svg/18px-Icons8_flat_search.svg.png" decoding="async" width="18" height="18" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/5/52/Icons8_flat_search.svg/27px-Icons8_flat_search.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/5/52/Icons8_flat_search.svg/36px-Icons8_flat_search.svg.png 2x" data-file-width="512" data-file-height="512" /></span></span> 이 부분의 본문은 <a href="/w/index.php?title=%EC%A4%80%EC%A3%BC%EA%B8%B0%EC%A0%81_%EC%A7%84%EB%8F%99&action=edit&redlink=1" class="new" title="준주기적 진동 (없는 문서)">준주기적 진동</a>입니다.</div> <p>강착원반의 엑스선 방출이 가끔 특정 진동수로 깜빡거릴 때가 있는데, 이 신호를 <a href="/w/index.php?title=%EC%A4%80%EC%A3%BC%EA%B8%B0%EC%A0%81_%EC%A7%84%EB%8F%99&action=edit&redlink=1" class="new" title="준주기적 진동 (없는 문서)">준주기적 진동</a>이라고 부른다. 준주기적 진동은 강착원반의 안쪽 경계(안정한 원형 궤도를 유지할 수 있는 가장 안쪽 범위)를 따라 움직이던 물질에 의해 발생하는 것으로 생각된다. 이러한 진동의 진동수는 중심의 밀집성의 질량과 관계가 있다. 때문에 이 현상은 블랙홀 후보 천체의 질량을 가늠하는 새로운 수단으로 사용될 수 있다.<sup id="cite_ref-132" class="reference"><a href="#cite_note-132"><span class="cite-bracket">[</span>130<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading3"><h3 id="은하핵"><span id=".EC.9D.80.ED.95.98.ED.95.B5"></span>은하핵</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=%EB%B8%94%EB%9E%99%ED%99%80&action=edit&section=24" title="부분 편집: 은하핵"><span>편집</span></a><span class="mw-editsection-bracket">]</span></span></div> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r34311305"><div role="note" class="hatnote navigation-not-searchable"><span typeof="mw:File"><span><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/5/52/Icons8_flat_search.svg/18px-Icons8_flat_search.svg.png" decoding="async" width="18" height="18" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/5/52/Icons8_flat_search.svg/27px-Icons8_flat_search.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/5/52/Icons8_flat_search.svg/36px-Icons8_flat_search.svg.png 2x" data-file-width="512" data-file-height="512" /></span></span> <a href="/wiki/%ED%99%9C%EB%8F%99%EC%9D%80%ED%95%98%ED%95%B5" title="활동은하핵">활동은하핵</a> 문서를 참고하십시오.</div> <figure class="mw-default-size" typeof="mw:File/Thumb"><a href="/wiki/%ED%8C%8C%EC%9D%BC:PIA19822-MagneticBlackHoleWaves-AlfvenS-waves-20150709.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/f/fe/PIA19822-MagneticBlackHoleWaves-AlfvenS-waves-20150709.jpg/220px-PIA19822-MagneticBlackHoleWaves-AlfvenS-waves-20150709.jpg" decoding="async" width="220" height="275" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/f/fe/PIA19822-MagneticBlackHoleWaves-AlfvenS-waves-20150709.jpg/330px-PIA19822-MagneticBlackHoleWaves-AlfvenS-waves-20150709.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/f/fe/PIA19822-MagneticBlackHoleWaves-AlfvenS-waves-20150709.jpg/440px-PIA19822-MagneticBlackHoleWaves-AlfvenS-waves-20150709.jpg 2x" data-file-width="1000" data-file-height="1250" /></a><figcaption>블랙홀 제트의 뿌리에서 나오는 자기파. <a href="/w/index.php?title=%EC%95%8C%EB%B2%A4_%ED%8C%8C%EB%8F%99&action=edit&redlink=1" class="new" title="알벤 파동 (없는 문서)">알벤 파동</a>이라고 부른다.</figcaption></figure> <p>천문학자들은 특이한 <a href="/w/index.php?title=%EB%B6%84%EA%B4%91%EC%84%A0&action=edit&redlink=1" class="new" title="분광선 (없는 문서)">분광선</a>이나 매우 강한 전파 방출 같은 특징을 나타내는 은하를 <a href="/wiki/%ED%99%9C%EB%8F%99%EC%9D%80%ED%95%98%ED%95%B5" title="활동은하핵">활동은하</a>라고 부른다. 이론적 관측적 연구들은 이들 활동은하들의 핵, 즉 활동은하핵(AGN)이 태양의 수백 배에 달하는 질량을 가진 <a href="/wiki/%EC%B4%88%EB%8C%80%EC%A7%88%EB%9F%89_%EB%B8%94%EB%9E%99%ED%99%80" title="초대질량 블랙홀">초대질량 블랙홀</a>로 인한 현상임을 가리키고 있다. AGN 모형은 수백만 또는 수십억 <i>M</i><sub>☉</sub>의 블랙홀이 중심에 있고, <a href="/w/index.php?title=%EC%84%B1%EA%B0%84%EA%B8%B0%EC%B2%B4&action=edit&redlink=1" class="new" title="성간기체 (없는 문서)">성간기체</a>와 <a href="/wiki/%EC%84%B1%EA%B0%84%EC%A7%84" class="mw-redirect" title="성간진">성간진</a>이 그 주위로 <a href="/wiki/%EA%B0%95%EC%B0%A9%EC%9B%90%EB%B0%98" title="강착원반">강착원반</a>을 이루며, 강착원반과 수직한 방향으로 두 개의 <a href="/wiki/%EC%83%81%EB%8C%80%EB%A1%A0%EC%A0%81_%EC%A0%9C%ED%8A%B8" class="mw-redirect" title="상대론적 제트">제트</a>가 방출되는 모양을 하고 있다.<sup id="cite_ref-krolik1999_133-0" class="reference"><a href="#cite_note-krolik1999-133"><span class="cite-bracket">[</span>131<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-sparkegallagher2000_134-0" class="reference"><a href="#cite_note-sparkegallagher2000-134"><span class="cite-bracket">[</span>132<span class="cite-bracket">]</span></a></sup> </p> <figure class="mw-default-size" typeof="mw:File/Thumb"><a href="/wiki/%ED%8C%8C%EC%9D%BC:X-RayFlare-BlackHole-MilkyWay-20140105.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/8/85/X-RayFlare-BlackHole-MilkyWay-20140105.jpg/220px-X-RayFlare-BlackHole-MilkyWay-20140105.jpg" decoding="async" width="220" height="220" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/8/85/X-RayFlare-BlackHole-MilkyWay-20140105.jpg/330px-X-RayFlare-BlackHole-MilkyWay-20140105.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/8/85/X-RayFlare-BlackHole-MilkyWay-20140105.jpg/440px-X-RayFlare-BlackHole-MilkyWay-20140105.jpg 2x" data-file-width="1200" data-file-height="1200" /></a><figcaption>2015년 1월 5일 <a href="/wiki/%EC%9A%B0%EB%A6%AC%EC%9D%80%ED%95%98" class="mw-redirect" title="우리은하">우리은하</a> 중심의 블랙홀 <a href="/wiki/%EA%B6%81%EC%88%98%EC%9E%90%EB%A6%AC_A*" title="궁수자리 A*">궁수자리 A*</a>에서 감지된 밝은 <a href="/wiki/%EC%97%91%EC%8A%A4%EC%84%A0" title="엑스선">엑스선</a> 섬광.<sup id="cite_ref-NASA-20150105_135-0" class="reference"><a href="#cite_note-NASA-20150105-135"><span class="cite-bracket">[</span>133<span class="cite-bracket">]</span></a></sup></figcaption></figure> <p>대부분의 AGN은 초대질량 블랙홀을 품고 있을 것으로 생각되지만, 그 중 면밀하게 연구되어 중심의 초대질량 블랙홀 후보 천체의 질량을 측정해본 은하는 적은 편이다. 초대질량 블랙홀 후보를 품고 있는 유명한 은하들로는 <a href="/wiki/%EC%95%88%EB%93%9C%EB%A1%9C%EB%A9%94%EB%8B%A4_%EC%9D%80%ED%95%98" title="안드로메다 은하">안드로메다 은하</a>, <a href="/wiki/%EB%A9%94%EC%8B%9C%EC%97%90_87" class="mw-redirect" title="메시에 87">메시에 87</a>, <a href="/w/index.php?title=NGC_3115&action=edit&redlink=1" class="new" title="NGC 3115 (없는 문서)">NGC 3115</a>, <a href="/w/index.php?title=NGC_3377&action=edit&redlink=1" class="new" title="NGC 3377 (없는 문서)">NGC 3377</a>, <a href="/wiki/NGC_4258" class="mw-redirect" title="NGC 4258">NGC 4258</a>, <a href="/wiki/NGC_4889" title="NGC 4889">NGC 4889</a>, <a href="/w/index.php?title=NGC_1277&action=edit&redlink=1" class="new" title="NGC 1277 (없는 문서)">NGC 1277</a>, <a href="/wiki/OJ_287" title="OJ 287">OJ 287</a>, <a href="/w/index.php?title=APM_08279%2B5255&action=edit&redlink=1" class="new" title="APM 08279+5255 (없는 문서)">APM 08279+5255</a>, <a href="/wiki/%EC%86%9C%EB%B8%8C%EB%A0%88%EB%A1%9C_%EC%9D%80%ED%95%98" title="솜브레로 은하">솜브레로 은하</a> 등이 있다.<sup id="cite_ref-kormendyrichstone1995_136-0" class="reference"><a href="#cite_note-kormendyrichstone1995-136"><span class="cite-bracket">[</span>134<span class="cite-bracket">]</span></a></sup> </p><p>오늘날에는 활동은하 뿐 아니라 거의 모든 은하의 중심에는 초대질량 블랙홀이 있다는 것이 정설로 받아들여지고 있다.<sup id="cite_ref-King_137-0" class="reference"><a href="#cite_note-King-137"><span class="cite-bracket">[</span>135<span class="cite-bracket">]</span></a></sup> 블랙홀의 질량과 은하의 <a href="/w/index.php?title=%ED%8C%BD%EB%8C%80%EB%B6%80&action=edit&redlink=1" class="new" title="팽대부 (없는 문서)">팽대부</a>의 속도분산 사이에는 <a href="/wiki/M-%EC%8B%9C%EA%B7%B8%EB%A7%88_%EA%B4%80%EA%B3%84" title="M-시그마 관계">M-시그마 관계</a>라고 부르는 관측적 상관관계까 존재한다. 이는 블랙홀의 형성과 은하의 형성 사이에 어떠한 관계가 있을 가능성을 강하게 시사한다.<sup id="cite_ref-msigma2000_138-0" class="reference"><a href="#cite_note-msigma2000-138"><span class="cite-bracket">[</span>136<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading3"><h3 id="마이크로렌즈효과"><span id=".EB.A7.88.EC.9D.B4.ED.81.AC.EB.A1.9C.EB.A0.8C.EC.A6.88.ED.9A.A8.EA.B3.BC"></span>마이크로렌즈효과</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=%EB%B8%94%EB%9E%99%ED%99%80&action=edit&section=25" title="부분 편집: 마이크로렌즈효과"><span>편집</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>미래에 사용될 가능성이 있는 또다른 블랙홀 판별법으로는 천체 주위에 발생하는 강력한 중력장을 통한 관측이 있다. 이러한 효과를 <a href="/wiki/%EC%A4%91%EB%A0%A5%EB%A0%8C%EC%A6%88" title="중력렌즈">중력렌즈</a>라고 한다. ‘아서 에딩턴’이 처음으로 개기일식 때에 빛의 휘어짐을 발견한 이 효과는, 질량이 큰 물체 주위로 시공간이 왜곡되어 그리를 지나는 빛이 마치 광학적 <a href="/wiki/%EB%A0%8C%EC%A6%88" title="렌즈">렌즈</a>를 통과하는 것처럼 굴절되는 것이다. 관측을 해보면 빛이 수 <a href="/wiki/%EA%B0%81%EC%B4%88" class="mw-redirect" title="각초">각초</a> 정도만 굴절되는 약한 중력렌즈들이 발견된다. 그러나 이것들이 블랙홀이라는 직접적인 증거가 밝혀진 적은 없다.<sup id="cite_ref-Bozza_139-0" class="reference"><a href="#cite_note-Bozza-139"><span class="cite-bracket">[</span>137<span class="cite-bracket">]</span></a></sup> 중력렌즈를 이용해 블랙홀을 발견할 한 가지 가능성으로는, 블랙홀 주위를 공전하는 항성을 관측하는 방법이 있다. <a href="/wiki/%EA%B6%81%EC%88%98%EC%9E%90%EB%A6%AC_A*" title="궁수자리 A*">궁수자리 A*</a> 주변으로 이렇게 공전하는 후보성이 여러 개 지목되고 있다.<sup id="cite_ref-Bozza_139-1" class="reference"><a href="#cite_note-Bozza-139"><span class="cite-bracket">[</span>137<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading3"><h3 id="대안_가설들"><span id=".EB.8C.80.EC.95.88_.EA.B0.80.EC.84.A4.EB.93.A4"></span>대안 가설들</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=%EB%B8%94%EB%9E%99%ED%99%80&action=edit&section=26" title="부분 편집: 대안 가설들"><span>편집</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>항성질량 블랙홀의 판명은 중성자별의 질량 상한에 강하게 의존하고 있다. 그리고 이 상한값은 고밀도 물질의 성질에 대한 가정들에 강하게 의존하고 있다. 새로운 <a href="/wiki/%EC%83%81_(%EB%AC%BC%EB%A6%AC%ED%95%99)" title="상 (물리학)">물질상</a>이 이 연결고리를 강화시켜 줄 수 있다.<sup id="cite_ref-CMS1999_125-5" class="reference"><a href="#cite_note-CMS1999-125"><span class="cite-bracket">[</span>123<span class="cite-bracket">]</span></a></sup> 고밀도의 자유<a href="/wiki/%EC%BF%BC%ED%81%AC" title="쿼크">쿼크</a>는 <a href="/wiki/%EC%BF%BC%ED%81%AC%EB%B3%84" title="쿼크별">쿼크별</a>을 형성할 가능성이 있으며,<sup id="cite_ref-140" class="reference"><a href="#cite_note-140"><span class="cite-bracket">[</span>138<span class="cite-bracket">]</span></a></sup> 일부 <a href="/wiki/%EC%B4%88%EB%8C%80%EC%B9%AD%EC%84%B1" class="mw-redirect" title="초대칭성">초대칭성</a> 모형은 <a href="/wiki/Q%EB%B3%84" title="Q별">Q별</a>의 존재를 예측하고 있다.<sup id="cite_ref-141" class="reference"><a href="#cite_note-141"><span class="cite-bracket">[</span>139<span class="cite-bracket">]</span></a></sup> <a href="/wiki/%ED%91%9C%EC%A4%80_%EB%AA%A8%ED%98%95" title="표준 모형">표준 모형</a>을 일부 확장시키면 쿼크나 <a href="/wiki/%EB%A0%99%ED%86%A4" title="렙톤">렙톤</a>의 가설상 구성물질인 <a href="/wiki/%EC%95%9E%EC%84%A0%EC%9E%85%EC%9E%90" title="앞선입자">프리온</a>이 <a href="/w/index.php?title=%ED%94%84%EB%A6%AC%EC%98%A8%EB%B3%84&action=edit&redlink=1" class="new" title="프리온별 (없는 문서)">프리온별</a>을 형성할 수도 있다.<sup id="cite_ref-142" class="reference"><a href="#cite_note-142"><span class="cite-bracket">[</span>140<span class="cite-bracket">]</span></a></sup> 이러한 가설상의 모형들은 숱한 항성질량 블랙홀 후보천체들의 정체에 해당할 가능성이 있다. 그러나 일반상대론의 논증에서는 이러한 천체들도 최대 질량을 가져야 한다는 것이 밝혀져 있다.<sup id="cite_ref-CMS1999_125-6" class="reference"><a href="#cite_note-CMS1999-125"><span class="cite-bracket">[</span>123<span class="cite-bracket">]</span></a></sup> </p><p>블랙홀의 슈바르츠실트 반경 안쪽의 평균밀도는 그 질량의 제곱에 반비례한다. 때문에 초대질량 블랙홀은 항성질량 블랙홀보다 그 밀도가 훨씬 낮다. 질량이 10<sup>8</sup> <i>M</i><sub>☉</sub>인 블랙홀의 밀도는 <a href="/wiki/%EB%AC%BC" title="물">물</a>과 비슷한 수준이다.<sup id="cite_ref-CMS1999_125-7" class="reference"><a href="#cite_note-CMS1999-125"><span class="cite-bracket">[</span>123<span class="cite-bracket">]</span></a></sup> 때문에 초대질량 블랙홀의 구성물질이 물리학적으로 보다 이해하기 쉬우며, 초대질량 블랙홀에 대한 대안적 설명은 항성질량 블랙홀의 경우와 비교해 매우 단순한 편이다. 예컨대 초대질량 블랙홀을 매우 어두운 천체들의 무리로서 모형화하는 대안 가설이 있다. 그러나 이러한 대안 가설들은 일반적으로 초대질량 블랙홀 후보 천체들에 대해 안정적으로 성립하지 않는다.<sup id="cite_ref-CMS1999_125-8" class="reference"><a href="#cite_note-CMS1999-125"><span class="cite-bracket">[</span>123<span class="cite-bracket">]</span></a></sup> </p><p>항성질량 블랙홀 및 초대질량 블랙홀의 증거에도 불구하고 블랙홀이 형성되지 못하기 위해서는 일반상대론이 중력을 설명하는 이론으로서 실패하고, <a href="/wiki/%EC%96%91%EC%9E%90%EC%97%AD%ED%95%99" title="양자역학">양자역학</a>적 교정이 필요해져야 한다. 양자중력 이론이 완성되면 특이점이나 사건의 지평선이 나타나지 않고, 고로 블랙홀이 실제적 존재가 아니라는 결론이 나올 수도 있다.<sup id="cite_ref-143" class="reference"><a href="#cite_note-143"><span class="cite-bracket">[</span>141<span class="cite-bracket">]</span></a></sup> 2002년에는<sup id="cite_ref-144" class="reference"><a href="#cite_note-144"><span class="cite-bracket">[</span>142<span class="cite-bracket">]</span></a></sup> <a href="/wiki/%EB%81%88_%EC%9D%B4%EB%A1%A0" title="끈 이론">끈 이론</a>의 <a href="/w/index.php?title=%ED%8D%BC%EC%A6%88%EB%B3%BC_(%EB%81%88_%EC%9D%B4%EB%A1%A0)&action=edit&redlink=1" class="new" title="퍼즈볼 (끈 이론) (없는 문서)">퍼즈볼</a> 모형이 많은 관심을 받았다. 끈 이론 상의 특정 상황에 대한 계산에 바탕하여, 이 가설은 블랙홀 해 각각의 상태는 일반적으로 사건의 지평선이나 특이점을 가지지 않으나, 고전적/준고전적인 관찰자에게 보이는 그 상태의 통계적 평균은 일반상대론에서 도출되는 것 같은 일반적 블랙홀처럼 보인다고 제안하고 있다.<sup id="cite_ref-145" class="reference"><a href="#cite_note-145"><span class="cite-bracket">[</span>143<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="미해결_문제"><span id=".EB.AF.B8.ED.95.B4.EA.B2.B0_.EB.AC.B8.EC.A0.9C"></span>미해결 문제</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=%EB%B8%94%EB%9E%99%ED%99%80&action=edit&section=27" title="부분 편집: 미해결 문제"><span>편집</span></a><span class="mw-editsection-bracket">]</span></span></div> <div class="mw-heading mw-heading3"><h3 id="엔트로피와_열역학"><span id=".EC.97.94.ED.8A.B8.EB.A1.9C.ED.94.BC.EC.99.80_.EC.97.B4.EC.97.AD.ED.95.99"></span>엔트로피와 열역학</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=%EB%B8%94%EB%9E%99%ED%99%80&action=edit&section=28" title="부분 편집: 엔트로피와 열역학"><span>편집</span></a><span class="mw-editsection-bracket">]</span></span></div> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r34311305"><div role="note" class="hatnote navigation-not-searchable"><span typeof="mw:File"><span><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/5/52/Icons8_flat_search.svg/18px-Icons8_flat_search.svg.png" decoding="async" width="18" height="18" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/5/52/Icons8_flat_search.svg/27px-Icons8_flat_search.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/5/52/Icons8_flat_search.svg/36px-Icons8_flat_search.svg.png 2x" data-file-width="512" data-file-height="512" /></span></span> 이 부분의 본문은 <a href="/wiki/%EB%B8%94%EB%9E%99%ED%99%80_%EC%97%B4%EC%97%AD%ED%95%99" title="블랙홀 열역학">블랙홀 열역학</a>입니다.</div> <div class="thumb tright" style=""><div class="thumbinner" style="width:202px"><div class="thumbimage noresize" style="width:200px;"> <span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle S={\frac {1}{4}}{\frac {c^{3}k}{G\hbar }}A}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mi>S</mi> <mo>=</mo> <mrow class="MJX-TeXAtom-ORD"> <mfrac> <mn>1</mn> <mn>4</mn> </mfrac> </mrow> <mrow class="MJX-TeXAtom-ORD"> <mfrac> <mrow> <msup> <mi>c</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>3</mn> </mrow> </msup> <mi>k</mi> </mrow> <mrow> <mi>G</mi> <mi class="MJX-variant">ℏ<!-- ℏ --></mi> </mrow> </mfrac> </mrow> <mi>A</mi> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle S={\frac {1}{4}}{\frac {c^{3}k}{G\hbar }}A}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/0729fa8ca0e472d801866fe63b66a694819b72d0" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -2.005ex; width:12.448ex; height:5.843ex;" alt="{\displaystyle S={\frac {1}{4}}{\frac {c^{3}k}{G\hbar }}A}"></span></div><div class="thumbcaption">베켄슈타인–호킹 공식.<br />블랙홀의 엔트로피 <span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle S}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mi>S</mi> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle S}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/4611d85173cd3b508e67077d4a1252c9c05abca2" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.338ex; width:1.499ex; height:2.176ex;" alt="{\displaystyle S}"></span>는 블랙홀의 면적 <span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle A}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mi>A</mi> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle A}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/7daff47fa58cdfd29dc333def748ff5fa4c923e3" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.338ex; width:1.743ex; height:2.176ex;" alt="{\displaystyle A}"></span>에 비례한다. 상수 <span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle c}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mi>c</mi> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle c}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/86a67b81c2de995bd608d5b2df50cd8cd7d92455" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.338ex; width:1.007ex; height:1.676ex;" alt="{\displaystyle c}"></span>는 <a href="/wiki/%EB%B9%9B%EC%9D%98_%EC%86%8D%EB%A0%A5" title="빛의 속력">광속</a>, <span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle k}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mi>k</mi> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle k}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/c3c9a2c7b599b37105512c5d570edc034056dd40" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.338ex; width:1.211ex; height:2.176ex;" alt="{\displaystyle k}"></span>는 <a href="/wiki/%EB%B3%BC%EC%B8%A0%EB%A7%8C_%EC%83%81%EC%88%98" title="볼츠만 상수">볼츠만 상수</a>, <span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle G}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mi>G</mi> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle G}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/f5f3c8921a3b352de45446a6789b104458c9f90b" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.338ex; width:1.827ex; height:2.176ex;" alt="{\displaystyle G}"></span>는 <a href="/wiki/%EB%89%B4%ED%84%B4_%EC%83%81%EC%88%98" class="mw-redirect" title="뉴턴 상수">뉴턴 상수</a>, <span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle \hbar }"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mi class="MJX-variant">ℏ<!-- ℏ --></mi> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle \hbar }</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/de68de3a92517953436c93b5a76461d49160cc41" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.338ex; width:1.306ex; height:2.176ex;" alt="{\displaystyle \hbar }"></span>는 <a href="/wiki/%ED%94%8C%EB%9E%91%ED%81%AC_%EC%83%81%EC%88%98" title="플랑크 상수">디랙 상수</a>이다.</div></div></div> <p>1971년, 호킹은 일반적 상황에서<sup id="cite_ref-146" class="reference"><a href="#cite_note-146"><span class="cite-bracket">[</span>Note 3<span class="cite-bracket">]</span></a></sup> 고전적 블랙홀의 사건의 지평선의 총 면적은 어떠한 경우에도 감소하지 않으며, 심지어 충돌하거나 융합할 때도 그러하다는 것을 보였다.<sup id="cite_ref-147" class="reference"><a href="#cite_note-147"><span class="cite-bracket">[</span>144<span class="cite-bracket">]</span></a></sup> 이것을 오늘날 <a href="/w/index.php?title=%EB%B8%94%EB%9E%99%ED%99%80%EC%97%AD%ED%95%99_%EC%A0%9C2%EB%B2%95%EC%B9%99&action=edit&redlink=1" class="new" title="블랙홀역학 제2법칙 (없는 문서)">블랙홀역학 제2법칙</a>이라고 부르는데, 이는 계의 총 <a href="/wiki/%EC%97%94%ED%8A%B8%EB%A1%9C%ED%94%BC" title="엔트로피">엔트로피</a>가 절대 감소하지 않는다는 <a href="/wiki/%EC%97%B4%EC%97%AD%ED%95%99_%EC%A0%9C2%EB%B2%95%EC%B9%99" title="열역학 제2법칙">열역학 제2법칙</a>과 놀랄 만큼 유사하다. 그전까지 <a href="/wiki/%EC%A0%88%EB%8C%80%EC%98%81%EB%8F%84" class="mw-redirect" title="절대영도">절대영도</a>의 온도를 가진 고전적 천체로서 블랙홀은 0의 엔트로피를 가진다고 생각되었다. 그러나 만일 그렇다면 엔트로피를 가진 물질이 블랙홀로 들어갈 때 우주의 총 엔트로피가 감소함으로써 열역학 제2법칙이 위반되게 된다. 하여 베켄슈타인은 블랙홀도 엔트로피를 가져야 하며, 그 크기는 사건의 지평선의 면적에 비례한다고 주장했다.<sup id="cite_ref-wald99_148-0" class="reference"><a href="#cite_note-wald99-148"><span class="cite-bracket">[</span>145<span class="cite-bracket">]</span></a></sup> </p><p>호킹이 <a href="/wiki/%EC%96%91%EC%9E%90%EC%9E%A5%EB%A1%A0" title="양자장론">양자장론</a>에 따르면 블랙홀은 일정 온도의 <a href="/wiki/%ED%9D%91%EC%B2%B4%EB%B3%B5%EC%82%AC" class="mw-redirect" title="흑체복사">흑체복사</a>를 방출한다는 것을 예측함으로써 블랙홀과 열역학 법칙 사이의 관계는 더욱 강화되었다. 이 복사로 인하여 블랙홀의 에너지가 바깥으로 빠져나가 블랙홀이 줄어들기 때문에 이는 언뜻 보기에 블랙홀역학 제2법칙을 위반하는 것처럼 보인다. 하지만 에너지 뿐 아니라 엔트로피도 복사를 통해 빠져나가며, 일반적 가정 하에서 블랙홀 주위의 물질과 사건의 지평선의 4분의 1의 엔트로피의 총합은 <a href="/wiki/%ED%94%8C%EB%9E%91%ED%81%AC_%EB%8B%A8%EC%9C%84%EA%B3%84" title="플랑크 단위계">플랑크 단위계</a>에서 언제나 증가함을 증명할 수 있다. 이로써 <a href="/wiki/%EC%97%B4%EC%97%AD%ED%95%99_%EC%A0%9C1%EB%B2%95%EC%B9%99" title="열역학 제1법칙">열역학 제1법칙</a>에 대응하는 <a href="/w/index.php?title=%EB%B8%94%EB%9E%99%ED%99%80%EC%97%AD%ED%95%99_%EC%A0%9C1%EB%B2%95%EC%B9%99&action=edit&redlink=1" class="new" title="블랙홀역학 제1법칙 (없는 문서)">블랙홀역학 제1법칙</a>이 성립한다. 질량은 에너지, 표면중력은 온도, 면적은 엔트로피에 대응한다.<sup id="cite_ref-wald99_148-1" class="reference"><a href="#cite_note-wald99-148"><span class="cite-bracket">[</span>145<span class="cite-bracket">]</span></a></sup> </p><p>한 가지 혼란스러울 수 있는 점은 보통의 엔트로피는 계의 부피와 선형의 관계를 갖는 <a href="/wiki/%EC%84%B8%EA%B8%B0_%EC%84%B1%EC%A7%88%EA%B3%BC_%ED%81%AC%EA%B8%B0_%EC%84%B1%EC%A7%88" title="세기 성질과 크기 성질">크기 성질</a>인 데 반해 블랙홀의 엔트로피는 그 부피가 아닌 면적에 비례한다는 사실이다. 이 특이함을 설명하기 위해 <a href="/wiki/%ED%97%A4%EB%9D%BC%EB%A5%B4%EB%92%A4%EC%8A%A4_%EC%97%87%ED%98%B8%ED%94%84%ED%8A%B8" title="헤라르뒤스 엇호프트">헤라르뒤스 엇호프트</a>와 <a href="/wiki/%EB%A0%88%EB%84%88%EB%93%9C_%EC%84%9C%EC%8A%A4%ED%82%A8%EB%93%9C" title="레너드 서스킨드">레너드 서스킨드</a>는 시공간상의 어떤 부피 안에서 일어나는 일은 그 부피의 경계의 데이터로 설명될 수 있다는 <a href="/wiki/%ED%99%80%EB%A1%9C%EA%B7%B8%EB%9E%98%ED%94%BC_%EC%9B%90%EB%A6%AC" title="홀로그래피 원리">홀로그래피 원리</a>를 제안했다.<sup id="cite_ref-149" class="reference"><a href="#cite_note-149"><span class="cite-bracket">[</span>146<span class="cite-bracket">]</span></a></sup> </p><p>일반상대론을 이용하면 블랙홀의 엔트로피를 준고전적으로 계산할 수 있지만, 이것은 이론적으로 불만족스럽다. <a href="/wiki/%ED%86%B5%EA%B3%84%EC%97%AD%ED%95%99" title="통계역학">통계역학</a>에서 엔트로피는 어떤 계에서 동일한 미시적 양(<a href="/wiki/%EC%A7%88%EB%9F%89" title="질량">질량</a>, <a href="/wiki/%EC%A0%84%ED%95%98%EB%9F%89" class="mw-redirect" title="전하량">전하량</a>, <a href="/wiki/%EC%95%95%EB%A0%A5" title="압력">압력</a> 등)을 갖는 미시적 배열의 수로 이해된다. 만족스러운 <a href="/wiki/%EC%96%91%EC%9E%90%EC%A4%91%EB%A0%A5" class="mw-redirect" title="양자중력">양자중력</a> 이론 없이는 아무도 블랙홀에 대하여 이러한 미시적 배열의 개수를 계산할 수 없다. 양자중력 이론의 완성을 위한 다양한 시도들이 이루어지고 있다. 1995년 <a href="/wiki/%EC%95%A4%EB%93%9C%EB%A3%A8_%EC%8A%A4%ED%8A%B8%EB%A1%9C%EB%AF%BC%EC%A0%80" title="앤드루 스트로민저">앤드루 스트로민저</a>와 <a href="/wiki/%EC%BA%84%EB%9E%80_%EB%B0%94%ED%8C%8C" title="캄란 바파">캄란 바파</a>는 <a href="/wiki/%EB%81%88_%EC%9D%B4%EB%A1%A0" title="끈 이론">끈 이론</a>에 따라 <a href="/wiki/%EC%B4%88%EB%8C%80%EC%B9%AD%EC%84%B1" class="mw-redirect" title="초대칭성">초대칭성</a>을 만족하는 블랙홀의 미시상태 집계가 베켄슈타인–호킹 엔트로피를 재현함을 보였다.<sup id="cite_ref-150" class="reference"><a href="#cite_note-150"><span class="cite-bracket">[</span>147<span class="cite-bracket">]</span></a></sup> 그 이후로 끈 이론 뿐 아니라 <a href="/wiki/%EB%A3%A8%ED%94%84_%EC%96%91%EC%9E%90%EC%A4%91%EB%A0%A5" title="루프 양자중력">루프 양자중력</a> 등의 다른 양자중력 이론에서도 서로 다른 블랙홀들에 대하여 유사한 결과들이 보고되고 있다.<sup id="cite_ref-151" class="reference"><a href="#cite_note-151"><span class="cite-bracket">[</span>148<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading3"><h3 id="정보소실_역설"><span id=".EC.A0.95.EB.B3.B4.EC.86.8C.EC.8B.A4_.EC.97.AD.EC.84.A4"></span>정보소실 역설</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=%EB%B8%94%EB%9E%99%ED%99%80&action=edit&section=29" title="부분 편집: 정보소실 역설"><span>편집</span></a><span class="mw-editsection-bracket">]</span></span></div> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r34311305"><div role="note" class="hatnote navigation-not-searchable"><span typeof="mw:File"><span><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/5/52/Icons8_flat_search.svg/18px-Icons8_flat_search.svg.png" decoding="async" width="18" height="18" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/5/52/Icons8_flat_search.svg/27px-Icons8_flat_search.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/5/52/Icons8_flat_search.svg/36px-Icons8_flat_search.svg.png 2x" data-file-width="512" data-file-height="512" /></span></span> 이 부분의 본문은 <a href="/w/index.php?title=%EB%B8%94%EB%9E%99%ED%99%80_%EC%A0%95%EB%B3%B4%EC%97%AD%EC%84%A4&action=edit&redlink=1" class="new" title="블랙홀 정보역설 (없는 문서)">블랙홀 정보역설</a>입니다.</div> <table style="float:right; width:330px; margin:0em 1em 1em 1em; background:#eee; border:#ccc solid"> <tbody><tr> <td><span typeof="mw:File"><span><img src="//upload.wikimedia.org/wikipedia/commons/thumb/e/e4/Fluent_Emoji_flat_2754.svg/50px-Fluent_Emoji_flat_2754.svg.png" decoding="async" width="50" height="50" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/e/e4/Fluent_Emoji_flat_2754.svg/75px-Fluent_Emoji_flat_2754.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/e/e4/Fluent_Emoji_flat_2754.svg/100px-Fluent_Emoji_flat_2754.svg.png 2x" data-file-width="320" data-file-height="320" /></span></span></td> <td><b>물리학의 미해결 문제</b><br /><div style="padding:5px;">블랙홀 안에서는 <a href="/w/index.php?title=%EB%AC%BC%EB%A6%AC%EC%A0%81_%EC%A0%95%EB%B3%B4&action=edit&redlink=1" class="new" title="물리적 정보 (없는 문서)">물리적 정보</a>가 소실되는가?<br /><small><a href="/wiki/%EB%AC%BC%EB%A6%AC%ED%95%99%EC%9D%98_%EB%AF%B8%ED%95%B4%EA%B2%B0_%EB%AC%B8%EC%A0%9C_%EB%AA%A9%EB%A1%9D" title="물리학의 미해결 문제 목록">(더 많은 물리학의 미해결 문제 보기)</a></small></div> </td></tr></tbody></table> <p>블랙홀을 설명할 때 사용되는 변수가 불과 몇 개에 불과하기 때문에, 블랙홀 안으로 들어가서 블랙홀의 일부가 된 물질에 대한 정보의 대부분은 소실된다. 블랙홀 안으로 들어간 물질의 종류가 무엇인지는 관계없이, 그 물질에 대해 보존되는 정보는 질량, 전하량, 각운동량 뿐이다. 이 셋을 제외한 나머지 정보들이 계속 소실된 상태로 유지되는지는 수수께끼이다. 그 정보가 블랙홀 내부에 남아있다고 생각할 수도 있지만, 그 내부를 들여다보는 것은 불가능하기 때문이다. 그러나 블랙홀은 <a href="/wiki/%ED%98%B8%ED%82%B9_%EB%B3%B5%EC%82%AC" title="호킹 복사">호킹 복사</a>를 방출하면서 서서히 증발한다. 이 복사는 블랙홀을 형성한 물질에 대한 추가적인 정보를 갖고 있는 것으로 보이지는 않으며, 이는 곧 소실된 정보는 영영 사라진다는 것을 의미한다.<sup id="cite_ref-PlayDice000_152-0" class="reference"><a href="#cite_note-PlayDice000-152"><span class="cite-bracket">[</span>149<span class="cite-bracket">]</span></a></sup> </p><p>블랙홀 안에서 물질의 정보가 정말 사라지는 것인지에 대한 문제(<a href="/w/index.php?title=%EB%B8%94%EB%9E%99%ED%99%80_%EC%A0%95%EB%B3%B4%EC%97%AD%EC%84%A4&action=edit&redlink=1" class="new" title="블랙홀 정보역설 (없는 문서)">블랙홀 정보역설</a>)는 이론물리학계를 양분하는 이론적 주제이다(<a href="/w/index.php?title=%EC%86%90%E2%80%93%ED%98%B8%ED%82%B9%E2%80%93%ED%94%84%EB%A0%88%EC%8A%A4%ED%82%AC_%EB%82%B4%EA%B8%B0&action=edit&redlink=1" class="new" title="손–호킹–프레스킬 내기 (없는 문서)">손–호킹–프레스킬 내기</a>). 양자역학에서는 어떤 사건의 결과 발생할 수 있는 모든 결과의 <a href="/wiki/%ED%99%95%EB%A5%A0" title="확률">확률</a>의 합은 언제나 1로 보존되어야 한다는 <a href="/w/index.php?title=%EB%8B%A8%EC%9D%BC%EC%84%B1&action=edit&redlink=1" class="new" title="단일성 (없는 문서)">단일성</a>이라는 필수적 성질이 있는데, 정보의 소실은 곧 단일성의 위반을 의미한다. 단일성이 위반되는 것은 곧 에너지 보존법칙이 위반되는 것이라는 주장도 있다.<sup id="cite_ref-giddings1995_153-0" class="reference"><a href="#cite_note-giddings1995-153"><span class="cite-bracket">[</span>150<span class="cite-bracket">]</span></a></sup> 최근에는 이 문제에 대해 완전한 양자중력 이론적 처치를 거치면 정보와 단일성이 확실히 보존될 것이라는 증거가 구축되고 있다.<sup id="cite_ref-154" class="reference"><a href="#cite_note-154"><span class="cite-bracket">[</span>151<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="같이_보기"><span id=".EA.B0.99.EC.9D.B4_.EB.B3.B4.EA.B8.B0"></span>같이 보기</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=%EB%B8%94%EB%9E%99%ED%99%80&action=edit&section=30" title="부분 편집: 같이 보기"><span>편집</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><a href="/w/index.php?title=%EB%B8%94%EB%9E%99%ED%99%80_%EB%AC%BC%EB%A6%AC%ED%95%99_%EC%97%B0%ED%91%9C&action=edit&redlink=1" class="new" title="블랙홀 물리학 연표 (없는 문서)">블랙홀 물리학 연표</a></li> <li><a href="/w/index.php?title=%EB%B8%94%EB%9E%99%ED%99%80_%EB%AA%A9%EB%A1%9D&action=edit&redlink=1" class="new" title="블랙홀 목록 (없는 문서)">블랙홀 목록</a></li> <li><a href="/w/index.php?title=%EA%B0%80%EA%B9%8C%EC%9A%B4_%EB%B8%94%EB%9E%99%ED%99%80_%EB%AA%A9%EB%A1%9D&action=edit&redlink=1" class="new" title="가까운 블랙홀 목록 (없는 문서)">가까운 블랙홀 목록</a></li> <li><a href="/w/index.php?title=%EB%B8%94%EB%9E%99_%EB%B8%8C%EB%A0%88%EC%9D%B8&action=edit&redlink=1" class="new" title="블랙 브레인 (없는 문서)">블랙 브레인</a></li> <li><a href="/w/index.php?title=%EB%B8%94%EB%9E%99%ED%99%80_%EC%83%81%EB%B3%B4%EC%84%B1&action=edit&redlink=1" class="new" title="블랙홀 상보성 (없는 문서)">블랙홀 상보성</a></li> <li><a href="/w/index.php?title=%EB%B8%94%EB%9E%99%ED%99%80_%EC%9A%B0%EC%A3%BC%EC%84%A0&action=edit&redlink=1" class="new" title="블랙홀 우주선 (없는 문서)">블랙홀 우주선</a></li> <li><a href="/wiki/%EB%B8%94%EB%9E%99_%EC%8A%A4%ED%8A%B8%EB%A7%81" title="블랙 스트링">블랙 스트링</a></li> <li><a href="/wiki/%EB%B0%94%EB%83%90%EB%8F%84%EC%8A%A4-%ED%85%8C%EC%9D%B4%ED%85%94%EB%B3%B4%EC%9E%84-%EC%82%AC%EB%84%A4%EC%9D%B4_%EB%B8%94%EB%9E%99%ED%99%80" title="바냐도스-테이텔보임-사네이 블랙홀">바냐도스-테이텔보임-사네이 블랙홀</a></li> <li><a href="/w/index.php?title=%EC%9D%8C%ED%96%A5_%EB%B8%94%EB%9E%99%ED%99%80&action=edit&redlink=1" class="new" title="음향 블랙홀 (없는 문서)">음향 블랙홀</a></li> <li><a href="/wiki/%EC%9D%BC%EB%B0%98%EC%83%81%EB%8C%80%EB%A1%A0" class="mw-redirect" title="일반상대론">일반상대론</a></li> <li><a href="/w/index.php?title=%EA%B5%AC%EC%A0%84%EA%B4%91_(%EC%B2%9C%EC%B2%B4%EB%AC%BC%EB%A6%AC%ED%95%99)&action=edit&redlink=1" class="new" title="구전광 (천체물리학) (없는 문서)">구전광 (천체물리학)</a></li> <li><a href="/w/index.php?title=%EC%84%9C%EC%8A%A4%ED%82%A8%EB%93%9C-%ED%98%B8%ED%82%B9_%EC%A0%84%EC%9F%81&action=edit&redlink=1" class="new" title="서스킨드-호킹 전쟁 (없는 문서)">서스킨드-호킹 전쟁</a></li> <li><a href="/wiki/%ED%98%B8%ED%82%B9_%EB%B3%B5%EC%82%AC" title="호킹 복사">호킹 복사</a></li> <li><a href="/wiki/%ED%99%94%EC%9D%B4%ED%8A%B8%ED%99%80" title="화이트홀">화이트홀</a></li> <li><a href="/wiki/%EC%9B%9C%ED%99%80" title="웜홀">웜홀</a></li> <li><a href="/wiki/%EC%B4%88%EB%8C%80%EC%A7%88%EB%9F%89_%EB%B8%94%EB%9E%99%ED%99%80" title="초대질량 블랙홀">초대질량 블랙홀</a></li> <li><a href="/wiki/%EC%8A%88%EB%B0%94%EB%A5%B4%EC%B8%A0%EC%8B%A4%ED%8A%B8_%EA%B3%84%EB%9F%89" title="슈바르츠실트 계량">슈바르츠실트 계량</a></li> <li><a href="/wiki/%EC%97%90%EB%93%9C%EA%B1%B0_%EC%95%A8%EB%9F%B0_%ED%8F%AC#물리우주론" title="에드거 앨런 포">에드거 앨런 포#물리우주론</a></li> <li><a href="/wiki/%EC%A0%9C%EC%9E%84%EC%8A%A4_%EC%9B%A8%EB%B8%8C_%EC%9A%B0%EC%A3%BC%EB%A7%9D%EC%9B%90%EA%B2%BD" class="mw-redirect" title="제임스 웨브 우주망원경">제임스 웨브 우주망원경</a></li> <li><a href="/wiki/%ED%80%98%EC%9D%B4%EC%82%AC" title="퀘이사">퀘이사</a></li></ul> <div class="mw-heading mw-heading2"><h2 id="각주"><span id=".EA.B0.81.EC.A3.BC"></span>각주</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=%EB%B8%94%EB%9E%99%ED%99%80&action=edit&section=31" title="부분 편집: 각주"><span>편집</span></a><span class="mw-editsection-bracket">]</span></span></div> <dl><dt>내용주</dt></dl> <style data-mw-deduplicate="TemplateStyles:r35556958">.mw-parser-output .reflist{font-size:90%;margin-bottom:0.5em;list-style-type:decimal}.mw-parser-output .reflist .references{font-size:100%;margin-bottom:0;list-style-type:inherit}.mw-parser-output .reflist-columns-2{column-width:30em}.mw-parser-output .reflist-columns-3{column-width:25em}.mw-parser-output .reflist-columns{margin-top:0.3em}.mw-parser-output .reflist-columns ol{margin-top:0}.mw-parser-output .reflist-columns li{page-break-inside:avoid;break-inside:avoid-column}.mw-parser-output .reflist-upper-alpha{list-style-type:upper-alpha}.mw-parser-output .reflist-upper-roman{list-style-type:upper-roman}.mw-parser-output .reflist-lower-alpha{list-style-type:lower-alpha}.mw-parser-output .reflist-lower-greek{list-style-type:lower-greek}.mw-parser-output .reflist-lower-roman{list-style-type:lower-roman}</style><div class="reflist"> <div class="mw-references-wrap"><ol class="references"> <li id="cite_note-55"><span class="mw-cite-backlink"><a href="#cite_ref-55">↑</a></span> <span class="reference-text">가능한 경로의 집합, 또는 보다 정확하게 표현하면 가능한 모든 <a href="/wiki/%EC%84%B8%EA%B3%84%EC%84%A0" title="세계선">세계선</a>을 포함하는 미래의 <a href="/wiki/%EA%B4%91%EC%B6%94" title="광추">광추</a>(이 그림에서는 광추를 세계선상의 빛을 의미하는 화살표들에 의해 경계가 나타나는 V자 모양의 영역으로 표현)는 <a href="/w/index.php?title=%EC%97%90%EB%94%A9%ED%84%B4%E2%80%93%ED%95%80%EC%BC%88%EC%8A%A4%ED%83%80%EC%9D%B8_%EC%A2%8C%ED%91%9C%EA%B3%84&action=edit&redlink=1" class="new" title="에딩턴–핀켈스타인 좌표계 (없는 문서)">에딩턴–핀켈스타인 좌표계</a>에서 기울어진다(이 그림은 에딩턴–핀켈스타인 좌표계를 "만화"화한 것이라고 생각할 수 있다). 하지만 다른 좌표계에서는 광추가 이렇게 기울어지지 않는다. 예컨대 <a href="/w/index.php?title=%EC%8A%88%EB%B0%94%EB%A5%B4%EC%B8%A0%EC%8B%A4%ED%8A%B8_%EC%A2%8C%ED%91%9C%EA%B3%84&action=edit&redlink=1" class="new" title="슈바르츠실트 좌표계 (없는 문서)">슈바르츠실트 좌표계</a>에서는 기울임 없이 좁아지기만 할 뿐이며, <a href="/w/index.php?title=%ED%81%AC%EB%9F%AC%EC%8A%A4%EC%BB%AC%E2%80%93%EC%84%B8%EC%BC%80%EB%A0%88%EC%8B%9C_%EC%A2%8C%ED%91%9C%EA%B3%84&action=edit&redlink=1" class="new" title="크러스컬–세케레시 좌표계 (없는 문서)">크러스컬–세케레시 좌표계</a>에서는 광추의 모양과 방향 모두 변화하지 않는다.<sup id="cite_ref-54" class="reference"><a href="#cite_note-54"><span class="cite-bracket">[</span>54<span class="cite-bracket">]</span></a></sup></span> </li> <li id="cite_note-64"><span class="mw-cite-backlink"><a href="#cite_ref-64">↑</a></span> <span class="reference-text">이는 4차원 시공간에 대해서만 참이다. 고차원에서는 <a href="/w/index.php?title=%EA%B3%A0%EC%B0%A8%EC%9B%90_%EC%95%84%EC%9D%B8%EC%8A%88%ED%83%80%EC%9D%B8_%EC%A4%91%EB%A0%A5&action=edit&redlink=1" class="new" title="고차원 아인슈타인 중력 (없는 문서)">블랙 링</a> 같은 보다 복잡한 지평선 모양이 가능해진다.<sup id="cite_ref-62" class="reference"><a href="#cite_note-62"><span class="cite-bracket">[</span>61<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-63" class="reference"><a href="#cite_note-63"><span class="cite-bracket">[</span>62<span class="cite-bracket">]</span></a></sup></span> </li> <li id="cite_note-146"><span class="mw-cite-backlink"><a href="#cite_ref-146">↑</a></span> <span class="reference-text">그는 모든 물질이 <a href="/wiki/%EC%97%90%EB%84%88%EC%A7%80_%EC%A1%B0%EA%B1%B4" title="에너지 조건">약한 에너지 조건</a>을 만족한다고 가정했다.</span> </li> </ol></div></div> <dl><dt>참조주</dt></dl> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r35556958"><div class="reflist reflist-columns references-column-width reflist-columns-3"> <ol class="references"> <li id="cite_note-1"><span class="mw-cite-backlink"><a href="#cite_ref-1">↑</a></span> <span class="reference-text"> <cite class="citation journal">Oldham, L. J.; Auger, M. W. (March 2016). “Galaxy structure from multiple tracers - II. M87 from parsec to megaparsec scales”. 《Monthly Notices of the Royal Astronomical Society》 <b>457</b> (1): 421–439. <a href="/wiki/ArXiv" title="ArXiv">arXiv</a>:<a rel="nofollow" class="external text" href="//arxiv.org/abs/1601.01323">1601.01323</a>. <a href="/wiki/%EB%B9%84%EB%B8%8C%EC%BD%94%EB%93%9C" title="비브코드">Bibcode</a>:<a rel="nofollow" class="external text" href="http://adsabs.harvard.edu/abs/2016MNRAS.457..421O">2016MNRAS.457..421O</a>. <a href="/wiki/%EB%94%94%EC%A7%80%ED%84%B8_%EA%B0%9D%EC%B2%B4_%EC%8B%9D%EB%B3%84%EC%9E%90" title="디지털 객체 식별자">doi</a>:<a rel="nofollow" class="external text" href="https://dx.doi.org/10.1093%2Fmnras%2Fstv2982">10.1093/mnras/stv2982</a>. <a href="/wiki/%EA%B5%AD%EC%A0%9C_%ED%91%9C%EC%A4%80_%EC%9D%BC%EB%A0%A8_%EB%B2%88%ED%98%B8" class="mw-redirect" title="국제 표준 일련 번호">ISSN</a> <a rel="nofollow" class="external text" href="//www.worldcat.org/issn/0035-8711">0035-8711</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Monthly+Notices+of+the+Royal+Astronomical+Society&rft.atitle=Galaxy+structure+from+multiple+tracers+-+II.+M87+from+parsec+to+megaparsec+scales&rft.volume=457&rft.issue=1&rft.pages=421-439&rft.date=2016-03&rft_id=info%3Aarxiv%2F1601.01323&rft.issn=0035-8711&rft_id=info%3Adoi%2F10.1093%2Fmnras%2Fstv2982&rft_id=info%3Abibcode%2F2016MNRAS.457..421O&rft.au=Oldham%2C+L.+J.&rft.au=Auger%2C+M.+W.&rfr_id=info%3Asid%2Fko.wikipedia.org%3A%EB%B8%94%EB%9E%99%ED%99%80" class="Z3988"><span style="display:none;"> </span></span></span> </li> <li id="cite_note-2"><span class="mw-cite-backlink"><a href="#cite_ref-2">↑</a></span> <span class="reference-text"><a rel="nofollow" class="external free" href="https://www.theguardian.com/science/2019/apr/10/black-hole-picture-captured-for-first-time-in-space-breakthrough">https://www.theguardian.com/science/2019/apr/10/black-hole-picture-captured-for-first-time-in-space-breakthrough</a></span> </li> <li id="cite_note-3"><span class="mw-cite-backlink"><a href="#cite_ref-3">↑</a></span> <span class="reference-text">O. Straub, F.H. Vincent, M.A. Abramowicz, E. Gourgoulhon, T. Paumard, ``Modelling the black hole silhouette in Sgr A* with ion tori<i>,Astron. Astroph 543 (2012) A8</i></span> </li> <li id="cite_note-4"><span class="mw-cite-backlink"><a href="#cite_ref-4">↑</a></span> <span class="reference-text"><a href="/wiki/%ED%95%9C%EA%B5%AD%EC%B2%9C%EB%AC%B8%ED%95%99%ED%9A%8C" title="한국천문학회">한국천문학회</a> 편 천문학용어집 161쪽 우단 3째줄</span> </li> <li id="cite_note-5"><span class="mw-cite-backlink"><a href="#cite_ref-5">↑</a></span> <span class="reference-text"><a href="#CITEREFWald1984">Wald 1984</a>, 299–300쪽</span> </li> <li id="cite_note-wald_1997-6"><span class="mw-cite-backlink">↑ <sup><a href="#cite_ref-wald_1997_6-0">가</a></sup> <sup><a href="#cite_ref-wald_1997_6-1">나</a></sup></span> <span class="reference-text"><cite class="citation arxiv"><a href="/w/index.php?title=%EB%A1%9C%EB%B2%84%ED%8A%B8_%EC%99%88%EB%93%9C&action=edit&redlink=1" class="new" title="로버트 왈드 (없는 문서)">Wald, R. M.</a> (1997). “Gravitational Collapse and Cosmic Censorship”. <a href="/wiki/ArXiv" title="ArXiv">arXiv</a>:<a rel="nofollow" class="external text" href="//arxiv.org/abs/gr-qc/9710068">gr-qc/9710068</a> <span style="font-size:100%" class="error citation-comment"><code class="cs1-code">|class=</code> 무시됨 (<a href="/wiki/%EC%9C%84%ED%82%A4%EB%B0%B1%EA%B3%BC:%EC%9D%B8%EC%9A%A9_%EC%98%A4%EB%A5%98_%EB%8F%84%EC%9B%80%EB%A7%90#class_ignored" title="위키백과:인용 오류 도움말">도움말</a>)</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=preprint&rft.jtitle=arXiv&rft.atitle=Gravitational+Collapse+and+Cosmic+Censorship&rft.date=1997&rft_id=info%3Aarxiv%2Fgr-qc%2F9710068&rft.aulast=Wald&rft.aufirst=R.+M.&rfr_id=info%3Asid%2Fko.wikipedia.org%3A%EB%B8%94%EB%9E%99%ED%99%80" class="Z3988"><span style="display:none;"> </span></span> <span style="display:none;font-size:100%" class="error citation-comment">더 이상 지원되지 않는 변수를 사용함 (<a href="/wiki/%EC%9C%84%ED%82%A4%EB%B0%B1%EA%B3%BC:%EC%9D%B8%EC%9A%A9_%EC%98%A4%EB%A5%98_%EB%8F%84%EC%9B%80%EB%A7%90#deprecated_params" title="위키백과:인용 오류 도움말">도움말</a>)</span></span> </li> <li id="cite_note-NYT-20150608-7"><span class="mw-cite-backlink"><a href="#cite_ref-NYT-20150608_7-0">↑</a></span> <span class="reference-text"><cite class="citation news"><a href="/w/index.php?title=%EB%8D%B0%EB%8B%88%EC%8A%A4_%EC%98%A4%EB%B2%84%EB%B0%94%EC%9D%B4&action=edit&redlink=1" class="new" title="데니스 오버바이 (없는 문서)">Overbye, Dennis</a> (2015년 6월 8일). <a rel="nofollow" class="external text" href="http://www.nytimes.com/2015/06/09/science/black-hole-event-horizon-telescope.html">“Black Hole Hunters”</a>. 《<a href="/wiki/NASA" class="mw-redirect" title="NASA">NASA</a>》<span class="reference-accessdate">. 2015년 6월 8일에 확인함</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=NASA&rft.atitle=Black+Hole+Hunters&rft.date=2015-06-08&rft.aulast=Overbye&rft.aufirst=Dennis&rft_id=http%3A%2F%2Fwww.nytimes.com%2F2015%2F06%2F09%2Fscience%2Fblack-hole-event-horizon-telescope.html&rfr_id=info%3Asid%2Fko.wikipedia.org%3A%EB%B8%94%EB%9E%99%ED%99%80" class="Z3988"><span style="display:none;"> </span></span></span> </li> <li id="cite_note-8"><span class="mw-cite-backlink"><a href="#cite_ref-8">↑</a></span> <span class="reference-text"><cite class="citation book"><a href="/w/index.php?title=Bernard_F._Schutz&action=edit&redlink=1" class="new" title="Bernard F. Schutz (없는 문서)">Schutz, Bernard F.</a> (2003). <a rel="nofollow" class="external text" href="http://books.google.com/books?id=P_T0xxhDcsIC"><i>Gravity from the ground up</i></a>. Cambridge University Press. 110쪽. <a href="/wiki/%EA%B5%AD%EC%A0%9C_%ED%91%9C%EC%A4%80_%EB%8F%84%EC%84%9C_%EB%B2%88%ED%98%B8" class="mw-redirect" title="국제 표준 도서 번호">ISBN</a> <a href="/wiki/%ED%8A%B9%EC%88%98:%EC%B1%85%EC%B0%BE%EA%B8%B0/0-521-45506-5" title="특수:책찾기/0-521-45506-5"><bdi>0-521-45506-5</bdi></a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=Gravity+from+the+ground+up&rft.pages=110&rft.pub=Cambridge+University+Press&rft.date=2003&rft.isbn=0-521-45506-5&rft.aulast=Schutz&rft.aufirst=Bernard+F.&rft_id=http%3A%2F%2Fbooks.google.com%2Fbooks%3Fid%3DP_T0xxhDcsIC&rfr_id=info%3Asid%2Fko.wikipedia.org%3A%EB%B8%94%EB%9E%99%ED%99%80" class="Z3988"><span style="display:none;"> </span></span></span> </li> <li id="cite_note-9"><span class="mw-cite-backlink"><a href="#cite_ref-9">↑</a></span> <span class="reference-text"><cite id="CITEREFDavies1978" class="citation journal"><a href="/w/index.php?title=Paul_Davies&action=edit&redlink=1" class="new" title="Paul Davies (없는 문서)">Davies, P. C. W.</a> (1978). <a rel="nofollow" class="external text" href="https://web.archive.org/web/20130510184530/http://cosmos.asu.edu/publications/papers/ThermodynamicTheoryofBlackHoles%2034.pdf">“Thermodynamics of Black Holes”</a> <span style="font-size:85%;">(PDF)</span>. <i><a href="/w/index.php?title=Reports_on_Progress_in_Physics&action=edit&redlink=1" class="new" title="Reports on Progress in Physics (없는 문서)">Reports on Progress in Physics</a></i> <b>41</b> (8): 1313–1355. <a href="/wiki/%EB%B9%84%EB%B8%8C%EC%BD%94%EB%93%9C" title="비브코드">Bibcode</a>:<a rel="nofollow" class="external text" href="http://adsabs.harvard.edu/abs/1978RPPh...41.1313D">1978RPPh...41.1313D</a>. <a href="/wiki/%EB%94%94%EC%A7%80%ED%84%B8_%EA%B0%9D%EC%B2%B4_%EC%8B%9D%EB%B3%84%EC%9E%90" title="디지털 객체 식별자">doi</a>:<a rel="nofollow" class="external text" href="https://dx.doi.org/10.1088%2F0034-4885%2F41%2F8%2F004">10.1088/0034-4885/41/8/004</a>. 2013년 5월 10일에 <a rel="nofollow" class="external text" href="http://cosmos.asu.edu/publications/papers/ThermodynamicTheoryofBlackHoles%2034.pdf">원본 문서</a> <span style="font-size:85%;">(PDF)</span>에서 보존된 문서<span class="reference-accessdate">. 2011년 2월 10일에 확인함</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Reports+on+Progress+in+Physics&rft.atitle=Thermodynamics+of+Black+Holes&rft.volume=41&rft.issue=8&rft.pages=1313-1355&rft.date=1978&rft_id=info%3Adoi%2F10.1088%2F0034-4885%2F41%2F8%2F004&rft_id=info%3Abibcode%2F1978RPPh...41.1313D&rft.aulast=Davies&rft.aufirst=P.+C.+W.&rft_id=http%3A%2F%2Fcosmos.asu.edu%2Fpublications%2Fpapers%2FThermodynamicTheoryofBlackHoles%252034.pdf&rfr_id=info%3Asid%2Fko.wikipedia.org%3A%EB%B8%94%EB%9E%99%ED%99%80" class="Z3988"><span style="display:none;"> </span></span></span> </li> <li id="cite_note-PRL-20160211-10"><span class="mw-cite-backlink">↑ <sup><a href="#cite_ref-PRL-20160211_10-0">가</a></sup> <sup><a href="#cite_ref-PRL-20160211_10-1">나</a></sup></span> <span class="reference-text"><cite class="citation journal">Abbott, B.P.; 외. (2016). <a rel="nofollow" class="external text" href="http://journals.aps.org/prl/abstract/10.1103/PhysRevLett.116.061102">“Observation of Gravitational Waves from a Binary Black Hole Merger”</a>. 《<a href="/wiki/Phys._Rev._Lett." class="mw-redirect" title="Phys. Rev. Lett.">Phys. Rev. Lett.</a>》 <b>116</b>: 061102. <a href="/wiki/%EB%94%94%EC%A7%80%ED%84%B8_%EA%B0%9D%EC%B2%B4_%EC%8B%9D%EB%B3%84%EC%9E%90" title="디지털 객체 식별자">doi</a>:<a rel="nofollow" class="external text" href="https://dx.doi.org/10.1103%2FPhysRevLett.116.061102">10.1103/PhysRevLett.116.061102</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Phys.+Rev.+Lett.&rft.atitle=Observation+of+Gravitational+Waves+from+a+Binary+Black+Hole+Merger&rft.volume=116&rft.pages=061102&rft.date=2016&rft_id=info%3Adoi%2F10.1103%2FPhysRevLett.116.061102&rft.au=Abbott%2C+B.P.&rft_id=http%3A%2F%2Fjournals.aps.org%2Fprl%2Fabstract%2F10.1103%2FPhysRevLett.116.061102&rfr_id=info%3Asid%2Fko.wikipedia.org%3A%EB%B8%94%EB%9E%99%ED%99%80" class="Z3988"><span style="display:none;"> </span></span></span> </li> <li id="cite_note-11"><span class="mw-cite-backlink"><a href="#cite_ref-11">↑</a></span> <span class="reference-text"><cite class="citation web">동아사이언스 (2019년 4월 10일). <a rel="nofollow" class="external text" href="http://dongascience.donga.com/news.php?idx=28002">“인류가 최초로 관측한 블랙홀 모습”</a><span class="reference-accessdate">. 2019년 4월 10일에 확인함</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=%EC%9D%B8%EB%A5%98%EA%B0%80+%EC%B5%9C%EC%B4%88%EB%A1%9C+%EA%B4%80%EC%B8%A1%ED%95%9C+%EB%B8%94%EB%9E%99%ED%99%80+%EB%AA%A8%EC%8A%B5&rft.date=2019-04-10&rft.au=%EB%8F%99%EC%95%84%EC%82%AC%EC%9D%B4%EC%96%B8%EC%8A%A4&rft_id=http%3A%2F%2Fdongascience.donga.com%2Fnews.php%3Fidx%3D28002&rfr_id=info%3Asid%2Fko.wikipedia.org%3A%EB%B8%94%EB%9E%99%ED%99%80" class="Z3988"><span style="display:none;"> </span></span></span> </li> <li id="cite_note-12"><span class="mw-cite-backlink"><a href="#cite_ref-12">↑</a></span> <span class="reference-text"><cite class="citation news">correspondent, Hannah Devlin Science (2019년 4월 10일). <a rel="nofollow" class="external text" href="https://www.theguardian.com/science/2019/apr/10/black-hole-picture-captured-for-first-time-in-space-breakthrough">“Black hole picture captured for first time in space ‘breakthrough’”</a>. 《The Guardian》 (영국 영어). <a href="/wiki/%EA%B5%AD%EC%A0%9C_%ED%91%9C%EC%A4%80_%EC%9D%BC%EB%A0%A8_%EB%B2%88%ED%98%B8" class="mw-redirect" title="국제 표준 일련 번호">ISSN</a> <a rel="nofollow" class="external text" href="//www.worldcat.org/issn/0261-3077">0261-3077</a><span class="reference-accessdate">. 2019년 4월 10일에 확인함</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=The+Guardian&rft.atitle=Black+hole+picture+captured+for+first+time+in+space+%E2%80%98breakthrough%E2%80%99&rft.date=2019-04-10&rft.issn=0261-3077&rft.aulast=correspondent&rft.aufirst=Hannah+Devlin+Science&rft_id=https%3A%2F%2Fwww.theguardian.com%2Fscience%2F2019%2Fapr%2F10%2Fblack-hole-picture-captured-for-first-time-in-space-breakthrough&rfr_id=info%3Asid%2Fko.wikipedia.org%3A%EB%B8%94%EB%9E%99%ED%99%80" class="Z3988"><span style="display:none;"> </span></span></span> </li> <li id="cite_note-Michell1784-13"><span class="mw-cite-backlink"><a href="#cite_ref-Michell1784_13-0">↑</a></span> <span class="reference-text"> <cite id="CITEREFMichell1784" class="citation journal"><a href="/wiki/%EC%A1%B4_%EB%AF%B8%EC%B2%BC" class="mw-disambig" title="존 미첼">Michell, J.</a> (1784). “On the Means of Discovering the Distance, Magnitude, &c. of the Fixed Stars, in Consequence of the Diminution of the Velocity of Their Light, in Case Such a Diminution Should be Found to Take Place in any of Them, and Such Other Data Should be Procured from Observations, as Would be Farther Necessary for That Purpose”. <i><a href="/w/index.php?title=Philosophical_Transactions_of_the_Royal_Society&action=edit&redlink=1" class="new" title="Philosophical Transactions of the Royal Society (없는 문서)">Philosophical Transactions of the Royal Society</a></i> <b>74</b> (0): 35–57. <a href="/wiki/%EB%B9%84%EB%B8%8C%EC%BD%94%EB%93%9C" title="비브코드">Bibcode</a>:<a rel="nofollow" class="external text" href="http://adsabs.harvard.edu/abs/1784RSPT...74...35M">1784RSPT...74...35M</a>. <a href="/wiki/%EB%94%94%EC%A7%80%ED%84%B8_%EA%B0%9D%EC%B2%B4_%EC%8B%9D%EB%B3%84%EC%9E%90" title="디지털 객체 식별자">doi</a>:<a rel="nofollow" class="external text" href="https://dx.doi.org/10.1098%2Frstl.1784.0008">10.1098/rstl.1784.0008</a>. <a href="/wiki/JSTOR" title="JSTOR">JSTOR</a> <a rel="nofollow" class="external text" href="//www.jstor.org/stable/106576">106576</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Philosophical+Transactions+of+the+Royal+Society&rft.atitle=On+the+Means+of+Discovering+the+Distance%2C+Magnitude%2C+%26c.+of+the+Fixed+Stars%2C+in+Consequence+of+the+Diminution+of+the+Velocity+of+Their+Light%2C+in+Case+Such+a+Diminution+Should+be+Found+to+Take+Place+in+any+of+Them%2C+and+Such+Other+Data+Should+be+Procured+from+Observations%2C+as+Would+be+Farther+Necessary+for+That+Purpose&rft.volume=74&rft.issue=0&rft.pages=35-57&rft.date=1784&rft_id=%2F%2Fwww.jstor.org%2Fstable%2F106576&rft_id=info%3Adoi%2F10.1098%2Frstl.1784.0008&rft_id=info%3Abibcode%2F1784RSPT...74...35M&rft.aulast=Michell&rft.aufirst=J.&rfr_id=info%3Asid%2Fko.wikipedia.org%3A%EB%B8%94%EB%9E%99%ED%99%80" class="Z3988"><span style="display:none;"> </span></span></span> </li> <li id="cite_note-14"><span class="mw-cite-backlink"><a href="#cite_ref-14">↑</a></span> <span class="reference-text"><cite class="citation book">Gillispie, C. C. (2000). <a rel="nofollow" class="external text" href="https://books.google.com/books?id=iohJomX0IWgC&pg=PA175"><i>Pierre-Simon Laplace, 1749–1827: a life in exact science</i></a>. Princeton paperbacks. Princeton University Press. 175쪽. <a href="/wiki/%EA%B5%AD%EC%A0%9C_%ED%91%9C%EC%A4%80_%EB%8F%84%EC%84%9C_%EB%B2%88%ED%98%B8" class="mw-redirect" title="국제 표준 도서 번호">ISBN</a> <a href="/wiki/%ED%8A%B9%EC%88%98:%EC%B1%85%EC%B0%BE%EA%B8%B0/0-691-05027-9" title="특수:책찾기/0-691-05027-9"><bdi>0-691-05027-9</bdi></a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=Pierre-Simon+Laplace%2C+1749%E2%80%931827%3A+a+life+in+exact+science&rft.series=Princeton+paperbacks&rft.pages=175&rft.pub=Princeton+University+Press&rft.date=2000&rft.isbn=0-691-05027-9&rft.aulast=Gillispie&rft.aufirst=C.+C.&rft_id=https%3A%2F%2Fbooks.google.com%2Fbooks%3Fid%3DiohJomX0IWgC%26pg%3DPA175&rfr_id=info%3Asid%2Fko.wikipedia.org%3A%EB%B8%94%EB%9E%99%ED%99%80" class="Z3988"><span style="display:none;"> </span></span></span> </li> <li id="cite_note-15"><span class="mw-cite-backlink"><a href="#cite_ref-15">↑</a></span> <span class="reference-text"> <cite class="citation book">Israel, W. (1989). 〈Dark stars: the evolution of an idea〉. <a href="/wiki/%EC%8A%A4%ED%8B%B0%EB%B8%90_%ED%98%B8%ED%82%B9" title="스티븐 호킹">Hawking, S. W.</a>; Israel, W. <a rel="nofollow" class="external text" href="https://books.google.com/books?id=Vq787qC5PWQC&lpg=PP1&pg=PA199#v=onepage&q&f=false">《300 Years of Gravitation》</a>. <a href="/wiki/%EC%BC%80%EC%9E%84%EB%B8%8C%EB%A6%AC%EC%A7%80_%EB%8C%80%ED%95%99%EA%B5%90_%EC%B6%9C%ED%8C%90%EB%B6%80" title="케임브리지 대학교 출판부">Cambridge University Press</a>. <a href="/wiki/%EA%B5%AD%EC%A0%9C_%ED%91%9C%EC%A4%80_%EB%8F%84%EC%84%9C_%EB%B2%88%ED%98%B8" class="mw-redirect" title="국제 표준 도서 번호">ISBN</a> <a href="/wiki/%ED%8A%B9%EC%88%98:%EC%B1%85%EC%B0%BE%EA%B8%B0/978-0-521-37976-2" title="특수:책찾기/978-0-521-37976-2"><bdi>978-0-521-37976-2</bdi></a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=bookitem&rft.atitle=Dark+stars%3A+the+evolution+of+an+idea&rft.btitle=300+Years+of+Gravitation&rft.pub=Cambridge+University+Press&rft.date=1989&rft.isbn=978-0-521-37976-2&rft.aulast=Israel&rft.aufirst=W.&rft_id=https%3A%2F%2Fbooks.google.com%2Fbooks%3Fid%3DVq787qC5PWQC%26lpg%3DPP1%26pg%3DPA199%23v%3Donepage%26q%26f%3Dfalse&rfr_id=info%3Asid%2Fko.wikipedia.org%3A%EB%B8%94%EB%9E%99%ED%99%80" class="Z3988"><span style="display:none;"> </span></span></span> </li> <li id="cite_note-16"><span class="mw-cite-backlink"><a href="#cite_ref-16">↑</a></span> <span class="reference-text"><a href="#CITEREFThorne1994">Thorne 1994</a>, 123–124쪽</span> </li> <li id="cite_note-Schwarzschild1916-17"><span class="mw-cite-backlink">↑ <sup><a href="#cite_ref-Schwarzschild1916_17-0">가</a></sup> <sup><a href="#cite_ref-Schwarzschild1916_17-1">나</a></sup></span> <span class="reference-text"> <cite id="CITEREFSchwarzschild1916" class="citation journal"><a href="/wiki/%EC%B9%B4%EB%A5%BC_%EC%8A%88%EB%B0%94%EB%A5%B4%EC%B8%A0%EC%8B%A4%ED%8A%B8" title="카를 슈바르츠실트">Schwarzschild, K.</a> (1916). <a rel="nofollow" class="external text" href="https://archive.org/stream/sitzungsberichte1916deutsch#page/188/mode/2up">“Über das Gravitationsfeld eines Massenpunktes nach der Einsteinschen Theorie”</a>. <i>Sitzungsberichte der Königlich Preussischen Akademie der Wissenschaften</i> <b>7</b>: 189–196.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Sitzungsberichte+der+K%C3%B6niglich+Preussischen+Akademie+der+Wissenschaften&rft.atitle=%C3%9Cber+das+Gravitationsfeld+eines+Massenpunktes+nach+der+Einsteinschen+Theorie&rft.volume=7&rft.pages=189-196&rft.date=1916&rft.aulast=Schwarzschild&rft.aufirst=K.&rft_id=https%3A%2F%2Farchive.org%2Fstream%2Fsitzungsberichte1916deutsch%23page%2F188%2Fmode%2F2up&rfr_id=info%3Asid%2Fko.wikipedia.org%3A%EB%B8%94%EB%9E%99%ED%99%80" class="Z3988"><span style="display:none;"> </span></span> and <cite id="CITEREFSchwarzschild1916" class="citation journal"><a href="/wiki/%EC%B9%B4%EB%A5%BC_%EC%8A%88%EB%B0%94%EB%A5%B4%EC%B8%A0%EC%8B%A4%ED%8A%B8" title="카를 슈바르츠실트">Schwarzschild, K.</a> (1916). <a rel="nofollow" class="external text" href="https://archive.org/stream/sitzungsberichte1916deutsch#page/424/mode/2up">“Über das Gravitationsfeld eines Kugel aus inkompressibler Flüssigkeit nach der Einsteinschen Theorie”</a>. <i>Sitzungsberichte der Königlich Preussischen Akademie der Wissenschaften</i> <b>18</b>: 424–434.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Sitzungsberichte+der+K%C3%B6niglich+Preussischen+Akademie+der+Wissenschaften&rft.atitle=%C3%9Cber+das+Gravitationsfeld+eines+Kugel+aus+inkompressibler+Fl%C3%BCssigkeit+nach+der+Einsteinschen+Theorie&rft.volume=18&rft.pages=424-434&rft.date=1916&rft.aulast=Schwarzschild&rft.aufirst=K.&rft_id=https%3A%2F%2Farchive.org%2Fstream%2Fsitzungsberichte1916deutsch%23page%2F424%2Fmode%2F2up&rfr_id=info%3Asid%2Fko.wikipedia.org%3A%EB%B8%94%EB%9E%99%ED%99%80" class="Z3988"><span style="display:none;"> </span></span></span> </li> <li id="cite_note-18"><span class="mw-cite-backlink"><a href="#cite_ref-18">↑</a></span> <span class="reference-text"><cite id="CITEREFDroste1917" class="citation journal">Droste, J. (1917). <a rel="nofollow" class="external text" href="http://www.dwc.knaw.nl/DL/publications/PU00012325.pdf">“On the field of a single centre in Einstein's theory of gravitation, and the motion of a particle in that field”</a> <span style="font-size:85%;">(PDF)</span>. <i>Proceedings Royal Academy Amsterdam</i> <b>19</b> (1): 197–215.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Proceedings+Royal+Academy+Amsterdam&rft.atitle=On+the+field+of+a+single+centre+in+Einstein%27s+theory+of+gravitation%2C+and+the+motion+of+a+particle+in+that+field&rft.volume=19&rft.issue=1&rft.pages=197-215&rft.date=1917&rft.aulast=Droste&rft.aufirst=J.&rft_id=http%3A%2F%2Fwww.dwc.knaw.nl%2FDL%2Fpublications%2FPU00012325.pdf&rfr_id=info%3Asid%2Fko.wikipedia.org%3A%EB%B8%94%EB%9E%99%ED%99%80" class="Z3988"><span style="display:none;"> </span></span></span> </li> <li id="cite_note-19"><span class="mw-cite-backlink"><a href="#cite_ref-19">↑</a></span> <span class="reference-text"><cite class="citation book">Kox, A. J. (1992). <a rel="nofollow" class="external text" href="https://web.archive.org/web/20160810215219/https://books.google.com/books?id=vDHCF_3vIhUC&pg=PA41">“General Relativity in the Netherlands: 1915–1920”</a>. Eisenstaedt, J.; Kox, A. J. <i>Studies in the history of general relativity</i>. Birkhäuser. 41쪽. <a href="/wiki/%EA%B5%AD%EC%A0%9C_%ED%91%9C%EC%A4%80_%EB%8F%84%EC%84%9C_%EB%B2%88%ED%98%B8" class="mw-redirect" title="국제 표준 도서 번호">ISBN</a> <a href="/wiki/%ED%8A%B9%EC%88%98:%EC%B1%85%EC%B0%BE%EA%B8%B0/978-0-8176-3479-7" title="특수:책찾기/978-0-8176-3479-7"><bdi>978-0-8176-3479-7</bdi></a>. 2016년 8월 10일에 <a rel="nofollow" class="external text" href="https://books.google.com/books?id=vDHCF_3vIhUC&pg=PA41">원본 문서</a>에서 보존된 문서<span class="reference-accessdate">. 2016년 2월 24일에 확인함</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=bookitem&rft.atitle=General+Relativity+in+the+Netherlands%3A+1915%E2%80%931920&rft.btitle=Studies+in+the+history+of+general+relativity&rft.pages=41&rft.pub=Birkh%C3%A4user&rft.date=1992&rft.isbn=978-0-8176-3479-7&rft.aulast=Kox&rft.aufirst=A.+J.&rft_id=https%3A%2F%2Fbooks.google.com%2Fbooks%3Fid%3DvDHCF_3vIhUC%26pg%3DPA41&rfr_id=info%3Asid%2Fko.wikipedia.org%3A%EB%B8%94%EB%9E%99%ED%99%80" class="Z3988"><span style="display:none;"> </span></span></span> </li> <li id="cite_note-HooftHist-20"><span class="mw-cite-backlink"><a href="#cite_ref-HooftHist_20-0">↑</a></span> <span class="reference-text"><cite id="CITEREF't_Hooft2009" class="citation journal"><a href="/w/index.php?title=Gerard_%27t_Hooft&action=edit&redlink=1" class="new" title="Gerard 't Hooft (없는 문서)">'t Hooft, G.</a> (2009). <a rel="nofollow" class="external text" href="http://www.phys.uu.nl/~thooft/lectures/blackholes/BH_lecturenotes.pdf">“Introduction to the Theory of Black Holes”</a> <span style="font-size:85%;">(PDF)</span>. Institute for Theoretical Physics / Spinoza Institute: 47–48.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.atitle=Introduction+to+the+Theory+of+Black+Holes&rft.pages=47-48&rft.date=2009&rft.aulast=%27t+Hooft&rft.aufirst=G.&rft_id=http%3A%2F%2Fwww.phys.uu.nl%2F~thooft%2Flectures%2Fblackholes%2FBH_lecturenotes.pdf&rfr_id=info%3Asid%2Fko.wikipedia.org%3A%EB%B8%94%EB%9E%99%ED%99%80" class="Z3988"><span style="display:none;"> </span></span></span> </li> <li id="cite_note-eddington1926-21"><span class="mw-cite-backlink"><a href="#cite_ref-eddington1926_21-0">↑</a></span> <span class="reference-text"><cite class="citation book"><a href="/wiki/%EC%95%84%EC%84%9C_%EC%8A%A4%ED%83%A0%EB%A6%AC_%EC%97%90%EB%94%A9%ED%84%B4" title="아서 스탠리 에딩턴">Eddington, Arthur</a> (1926). <a rel="nofollow" class="external text" href="https://books.google.com/books?id=RjC9DpnWFbkC&lpg=PP1&pg=PA6"><i>The Internal Constitution of the Stars</i></a>. Cambridge University Press. 6쪽.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=The+Internal+Constitution+of+the+Stars&rft.pages=6&rft.pub=Cambridge+University+Press&rft.date=1926&rft.aulast=Eddington&rft.aufirst=Arthur&rft_id=https%3A%2F%2Fbooks.google.com%2Fbooks%3Fid%3DRjC9DpnWFbkC%26lpg%3DPP1%26pg%3DPA6&rfr_id=info%3Asid%2Fko.wikipedia.org%3A%EB%B8%94%EB%9E%99%ED%99%80" class="Z3988"><span style="display:none;"> </span></span></span> </li> <li id="cite_note-22"><span class="mw-cite-backlink"><a href="#cite_ref-22">↑</a></span> <span class="reference-text"><a href="/wiki/%ED%82%B5_%EC%86%90" title="킵 손">Kip Thorne</a> comments on this quote on <a rel="nofollow" class="external text" href="https://books.google.com/books?id=GzlrW6kytdoC&lpg=PP1&pg=PA134">pages 134-135</a> of his book <i>Black Holes and Time Warps</i>, writing that "The first conclusion was the Newtonian version of light not escaping; the second was a semi-accurate, relativistic description; and the third was typical Eddingtonian hyperbole ... when a star is as small as the critical circumference, the curvature is strong but not infinite, and space is definitely not wrapped around the star. Eddington may have known this, but his description made a good story, and it captured in a whimsical way the spirit of Schwarzschild's spacetime curvature."</span> </li> <li id="cite_note-venkataraman92-23"><span class="mw-cite-backlink"><a href="#cite_ref-venkataraman92_23-0">↑</a></span> <span class="reference-text"><cite class="citation book">Venkataraman, G. (1992). <a rel="nofollow" class="external text" href="https://books.google.com/books?id=HNSdDFOJ4wkC&pg=PA89"><i>Chandrasekhar and his limit</i></a>. Universities Press. 89쪽. <a href="/wiki/%EA%B5%AD%EC%A0%9C_%ED%91%9C%EC%A4%80_%EB%8F%84%EC%84%9C_%EB%B2%88%ED%98%B8" class="mw-redirect" title="국제 표준 도서 번호">ISBN</a> <a href="/wiki/%ED%8A%B9%EC%88%98:%EC%B1%85%EC%B0%BE%EA%B8%B0/81-7371-035-X" title="특수:책찾기/81-7371-035-X"><bdi>81-7371-035-X</bdi></a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=Chandrasekhar+and+his+limit&rft.pages=89&rft.pub=Universities+Press&rft.date=1992&rft.isbn=81-7371-035-X&rft.aulast=Venkataraman&rft.aufirst=G.&rft_id=https%3A%2F%2Fbooks.google.com%2Fbooks%3Fid%3DHNSdDFOJ4wkC%26pg%3DPA89&rfr_id=info%3Asid%2Fko.wikipedia.org%3A%EB%B8%94%EB%9E%99%ED%99%80" class="Z3988"><span style="display:none;"> </span></span></span> </li> <li id="cite_note-24"><span class="mw-cite-backlink"><a href="#cite_ref-24">↑</a></span> <span class="reference-text"> <cite id="CITEREFDetweiler1981" class="citation journal">Detweiler, S. (1981). “Resource letter BH-1: Black holes”. <i><a href="/w/index.php?title=American_Journal_of_Physics&action=edit&redlink=1" class="new" title="American Journal of Physics (없는 문서)">American Journal of Physics</a></i> <b>49</b> (5): 394–400. <a href="/wiki/%EB%B9%84%EB%B8%8C%EC%BD%94%EB%93%9C" title="비브코드">Bibcode</a>:<a rel="nofollow" class="external text" href="http://adsabs.harvard.edu/abs/1981AmJPh..49..394D">1981AmJPh..49..394D</a>. <a href="/wiki/%EB%94%94%EC%A7%80%ED%84%B8_%EA%B0%9D%EC%B2%B4_%EC%8B%9D%EB%B3%84%EC%9E%90" title="디지털 객체 식별자">doi</a>:<a rel="nofollow" class="external text" href="https://dx.doi.org/10.1119%2F1.12686">10.1119/1.12686</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=American+Journal+of+Physics&rft.atitle=Resource+letter+BH-1%3A+Black+holes&rft.volume=49&rft.issue=5&rft.pages=394-400&rft.date=1981&rft_id=info%3Adoi%2F10.1119%2F1.12686&rft_id=info%3Abibcode%2F1981AmJPh..49..394D&rft.aulast=Detweiler&rft.aufirst=S.&rfr_id=info%3Asid%2Fko.wikipedia.org%3A%EB%B8%94%EB%9E%99%ED%99%80" class="Z3988"><span style="display:none;"> </span></span></span> </li> <li id="cite_note-25"><span class="mw-cite-backlink"><a href="#cite_ref-25">↑</a></span> <span class="reference-text"> <cite class="citation book">Harpaz, A. (1994). <a rel="nofollow" class="external text" href="https://books.google.com/books?id=kd4VEZv8oo0C&pg=PA105"><i>Stellar evolution</i></a>. <a href="/w/index.php?title=A_K_Peters,_Ltd.&action=edit&redlink=1" class="new" title="A K Peters, Ltd. (없는 문서)">A K Peters</a>. 105쪽. <a href="/wiki/%EA%B5%AD%EC%A0%9C_%ED%91%9C%EC%A4%80_%EB%8F%84%EC%84%9C_%EB%B2%88%ED%98%B8" class="mw-redirect" title="국제 표준 도서 번호">ISBN</a> <a href="/wiki/%ED%8A%B9%EC%88%98:%EC%B1%85%EC%B0%BE%EA%B8%B0/1-56881-012-1" title="특수:책찾기/1-56881-012-1"><bdi>1-56881-012-1</bdi></a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=Stellar+evolution&rft.pages=105&rft.pub=A+K+Peters&rft.date=1994&rft.isbn=1-56881-012-1&rft.aulast=Harpaz&rft.aufirst=A.&rft_id=https%3A%2F%2Fbooks.google.com%2Fbooks%3Fid%3Dkd4VEZv8oo0C%26pg%3DPA105&rfr_id=info%3Asid%2Fko.wikipedia.org%3A%EB%B8%94%EB%9E%99%ED%99%80" class="Z3988"><span style="display:none;"> </span></span></span> </li> <li id="cite_note-OV1939-26"><span class="mw-cite-backlink">↑ <sup><a href="#cite_ref-OV1939_26-0">가</a></sup> <sup><a href="#cite_ref-OV1939_26-1">나</a></sup></span> <span class="reference-text"> <cite id="CITEREFOppenheimerVolkoff1939" class="citation journal"><a href="/wiki/%EB%A1%9C%EB%B2%84%ED%8A%B8_%EC%98%A4%ED%8E%9C%ED%95%98%EC%9D%B4%EB%A8%B8" class="mw-redirect" title="로버트 오펜하이머">Oppenheimer, J. R.</a>; <a href="/w/index.php?title=%EC%A1%B0%EC%A7%80_%EB%B3%BC%EC%BD%94%ED%94%84&action=edit&redlink=1" class="new" title="조지 볼코프 (없는 문서)">Volkoff, G. M.</a> (1939). <a rel="nofollow" class="external text" href="https://archive.org/details/sim_physical-review_1939-02-15_55_4/page/n50">“On Massive Neutron Cores”</a>. <i><a href="/wiki/Physical_Review" class="mw-redirect" title="Physical Review">Physical Review</a></i> <b>55</b> (4): 374–381. <a href="/wiki/%EB%B9%84%EB%B8%8C%EC%BD%94%EB%93%9C" title="비브코드">Bibcode</a>:<a rel="nofollow" class="external text" href="http://adsabs.harvard.edu/abs/1939PhRv...55..374O">1939PhRv...55..374O</a>. <a href="/wiki/%EB%94%94%EC%A7%80%ED%84%B8_%EA%B0%9D%EC%B2%B4_%EC%8B%9D%EB%B3%84%EC%9E%90" title="디지털 객체 식별자">doi</a>:<a rel="nofollow" class="external text" href="https://dx.doi.org/10.1103%2FPhysRev.55.374">10.1103/PhysRev.55.374</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Physical+Review&rft.atitle=On+Massive+Neutron+Cores&rft.volume=55&rft.issue=4&rft.pages=374-381&rft.date=1939&rft_id=info%3Adoi%2F10.1103%2FPhysRev.55.374&rft_id=info%3Abibcode%2F1939PhRv...55..374O&rft.aulast=Oppenheimer&rft.aufirst=J.+R.&rft.au=Volkoff%2C+G.+M.&rft_id=https%3A%2F%2Farchive.org%2Fdetails%2Fsim_physical-review_1939-02-15_55_4%2Fpage%2Fn50&rfr_id=info%3Asid%2Fko.wikipedia.org%3A%EB%B8%94%EB%9E%99%ED%99%80" class="Z3988"><span style="display:none;"> </span></span></span> </li> <li id="cite_note-27"><span class="mw-cite-backlink"><a href="#cite_ref-27">↑</a></span> <span class="reference-text"> <cite id="CITEREFRuffiniWheeler1971" class="citation journal"><a href="/wiki/%EB%A0%88%EB%AA%A8_%EB%A3%A8%ED%94%BC%EB%8B%88" title="레모 루피니">Ruffini, R.</a>; <a href="/wiki/%EC%A1%B4_%EC%95%84%EC%B9%98%EB%B3%BC%EB%93%9C_%ED%9C%A0%EB%9F%AC" title="존 아치볼드 휠러">Wheeler, J. A.</a> (1971). <a rel="nofollow" class="external text" href="http://authors.library.caltech.edu/14972/1/Ruffini2009p1645Phys_Today.pdf">“Introducing the black hole”</a> <span style="font-size:85%;">(PDF)</span>. 《<a href="/w/index.php?title=Physics_Today&action=edit&redlink=1" class="new" title="Physics Today (없는 문서)">Physics Today</a>》 <b>24</b> (1): 30–41. <a href="/wiki/%EB%B9%84%EB%B8%8C%EC%BD%94%EB%93%9C" title="비브코드">Bibcode</a>:<a rel="nofollow" class="external text" href="http://adsabs.harvard.edu/abs/1971PhT....24a..30R">1971PhT....24a..30R</a>. <a href="/wiki/%EB%94%94%EC%A7%80%ED%84%B8_%EA%B0%9D%EC%B2%B4_%EC%8B%9D%EB%B3%84%EC%9E%90" title="디지털 객체 식별자">doi</a>:<a rel="nofollow" class="external text" href="https://dx.doi.org/10.1063%2F1.3022513">10.1063/1.3022513</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Physics+Today&rft.atitle=Introducing+the+black+hole&rft.volume=24&rft.issue=1&rft.pages=30-41&rft.date=1971&rft_id=info%3Adoi%2F10.1063%2F1.3022513&rft_id=info%3Abibcode%2F1971PhT....24a..30R&rft.aulast=Ruffini&rft.aufirst=R.&rft.au=Wheeler%2C+J.+A.&rft_id=http%3A%2F%2Fauthors.library.caltech.edu%2F14972%2F1%2FRuffini2009p1645Phys_Today.pdf&rfr_id=info%3Asid%2Fko.wikipedia.org%3A%EB%B8%94%EB%9E%99%ED%99%80" class="Z3988"><span style="display:none;"> </span></span></span> </li> <li id="cite_note-28"><span class="mw-cite-backlink"><a href="#cite_ref-28">↑</a></span> <span class="reference-text"> <cite id="CITEREFFinkelstein1958" class="citation journal"><a href="/w/index.php?title=%EB%8D%B0%EC%9D%B4%EB%B9%84%EB%93%9C_%ED%95%80%EC%BC%88%EC%8A%A4%ED%83%80%EC%9D%B8&action=edit&redlink=1" class="new" title="데이비드 핀켈스타인 (없는 문서)">Finkelstein, D.</a> (1958). <a rel="nofollow" class="external text" href="https://archive.org/details/sim_physical-review_1958-05-15_110_4/page/n173">“Past-Future Asymmetry of the Gravitational Field of a Point Particle”</a>. <i><a href="/wiki/Physical_Review" class="mw-redirect" title="Physical Review">Physical Review</a></i> <b>110</b> (4): 965–967. <a href="/wiki/%EB%B9%84%EB%B8%8C%EC%BD%94%EB%93%9C" title="비브코드">Bibcode</a>:<a rel="nofollow" class="external text" href="http://adsabs.harvard.edu/abs/1958PhRv..110..965F">1958PhRv..110..965F</a>. <a href="/wiki/%EB%94%94%EC%A7%80%ED%84%B8_%EA%B0%9D%EC%B2%B4_%EC%8B%9D%EB%B3%84%EC%9E%90" title="디지털 객체 식별자">doi</a>:<a rel="nofollow" class="external text" href="https://dx.doi.org/10.1103%2FPhysRev.110.965">10.1103/PhysRev.110.965</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Physical+Review&rft.atitle=Past-Future+Asymmetry+of+the+Gravitational+Field+of+a+Point+Particle&rft.volume=110&rft.issue=4&rft.pages=965-967&rft.date=1958&rft_id=info%3Adoi%2F10.1103%2FPhysRev.110.965&rft_id=info%3Abibcode%2F1958PhRv..110..965F&rft.aulast=Finkelstein&rft.aufirst=D.&rft_id=https%3A%2F%2Farchive.org%2Fdetails%2Fsim_physical-review_1958-05-15_110_4%2Fpage%2Fn173&rfr_id=info%3Asid%2Fko.wikipedia.org%3A%EB%B8%94%EB%9E%99%ED%99%80" class="Z3988"><span style="display:none;"> </span></span></span> </li> <li id="cite_note-29"><span class="mw-cite-backlink"><a href="#cite_ref-29">↑</a></span> <span class="reference-text"> <cite id="CITEREFKruskal1960" class="citation journal"><a href="/wiki/%EB%A7%88%ED%8B%B4_%ED%81%AC%EB%9F%AC%EC%8A%A4%EC%BB%AC" title="마틴 크러스컬">Kruskal, M.</a> (1960). <a rel="nofollow" class="external text" href="https://archive.org/details/sim_physical-review_1960-09-01_119_5/page/n301">“Maximal Extension of Schwarzschild Metric”</a>. <i><a href="/wiki/Physical_Review" class="mw-redirect" title="Physical Review">Physical Review</a></i> <b>119</b> (5): 1743. <a href="/wiki/%EB%B9%84%EB%B8%8C%EC%BD%94%EB%93%9C" title="비브코드">Bibcode</a>:<a rel="nofollow" class="external text" href="http://adsabs.harvard.edu/abs/1960PhRv..119.1743K">1960PhRv..119.1743K</a>. <a href="/wiki/%EB%94%94%EC%A7%80%ED%84%B8_%EA%B0%9D%EC%B2%B4_%EC%8B%9D%EB%B3%84%EC%9E%90" title="디지털 객체 식별자">doi</a>:<a rel="nofollow" class="external text" href="https://dx.doi.org/10.1103%2FPhysRev.119.1743">10.1103/PhysRev.119.1743</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Physical+Review&rft.atitle=Maximal+Extension+of+Schwarzschild+Metric&rft.volume=119&rft.issue=5&rft.pages=1743&rft.date=1960&rft_id=info%3Adoi%2F10.1103%2FPhysRev.119.1743&rft_id=info%3Abibcode%2F1960PhRv..119.1743K&rft.aulast=Kruskal&rft.aufirst=M.&rft_id=https%3A%2F%2Farchive.org%2Fdetails%2Fsim_physical-review_1960-09-01_119_5%2Fpage%2Fn301&rfr_id=info%3Asid%2Fko.wikipedia.org%3A%EB%B8%94%EB%9E%99%ED%99%80" class="Z3988"><span style="display:none;"> </span></span></span> </li> <li id="cite_note-30"><span class="mw-cite-backlink"><a href="#cite_ref-30">↑</a></span> <span class="reference-text"> <cite id="CITEREFHewishBellPilkingtonScott1968" class="citation journal"><a href="/wiki/%EC%95%A4%EC%84%9C%EB%8B%88_%ED%9C%B4%EC%9D%B4%EC%8B%9C" title="앤서니 휴이시">Hewish, A.</a>; 외. (1968). “Observation of a Rapidly Pulsating Radio Source”. <i><a href="/wiki/%EB%84%A4%EC%9D%B4%EC%B2%98" title="네이처">Nature</a></i> <b>217</b> (5130): 709–713. <a href="/wiki/%EB%B9%84%EB%B8%8C%EC%BD%94%EB%93%9C" title="비브코드">Bibcode</a>:<a rel="nofollow" class="external text" href="http://adsabs.harvard.edu/abs/1968Natur.217..709H">1968Natur.217..709H</a>. <a href="/wiki/%EB%94%94%EC%A7%80%ED%84%B8_%EA%B0%9D%EC%B2%B4_%EC%8B%9D%EB%B3%84%EC%9E%90" title="디지털 객체 식별자">doi</a>:<a rel="nofollow" class="external text" href="https://dx.doi.org/10.1038%2F217709a0">10.1038/217709a0</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Nature&rft.atitle=Observation+of+a+Rapidly+Pulsating+Radio+Source&rft.volume=217&rft.issue=5130&rft.pages=709-713&rft.date=1968&rft_id=info%3Adoi%2F10.1038%2F217709a0&rft_id=info%3Abibcode%2F1968Natur.217..709H&rft.aulast=Hewish&rft.aufirst=A.&rft.au=Bell%2C+S.+J.&rft.au=Pilkington%2C+J.+D.+H.&rft.au=Scott%2C+P.+F.&rft.au=Collins%2C+R.+A.&rfr_id=info%3Asid%2Fko.wikipedia.org%3A%EB%B8%94%EB%9E%99%ED%99%80" class="Z3988"><span style="display:none;"> </span></span></span> </li> <li id="cite_note-31"><span class="mw-cite-backlink"><a href="#cite_ref-31">↑</a></span> <span class="reference-text"> <cite id="CITEREFPilkingtonHewishBellCole1968" class="citation journal">Pilkington, J. D. H.; 외. (1968). “Observations of some further Pulsed Radio Sources”. <i><a href="/wiki/%EB%84%A4%EC%9D%B4%EC%B2%98" title="네이처">Nature</a></i> <b>218</b> (5137): 126–129. <a href="/wiki/%EB%B9%84%EB%B8%8C%EC%BD%94%EB%93%9C" title="비브코드">Bibcode</a>:<a rel="nofollow" class="external text" href="http://adsabs.harvard.edu/abs/1968Natur.218..126P">1968Natur.218..126P</a>. <a href="/wiki/%EB%94%94%EC%A7%80%ED%84%B8_%EA%B0%9D%EC%B2%B4_%EC%8B%9D%EB%B3%84%EC%9E%90" title="디지털 객체 식별자">doi</a>:<a rel="nofollow" class="external text" href="https://dx.doi.org/10.1038%2F218126a0">10.1038/218126a0</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Nature&rft.atitle=Observations+of+some+further+Pulsed+Radio+Sources&rft.volume=218&rft.issue=5137&rft.pages=126-129&rft.date=1968&rft_id=info%3Adoi%2F10.1038%2F218126a0&rft_id=info%3Abibcode%2F1968Natur.218..126P&rft.aulast=Pilkington&rft.aufirst=J.+D.+H.&rft.au=Hewish%2C+A.&rft.au=Bell%2C+S.+J.&rft.au=Cole%2C+T.+W.&rfr_id=info%3Asid%2Fko.wikipedia.org%3A%EB%B8%94%EB%9E%99%ED%99%80" class="Z3988"><span style="display:none;"> </span></span></span> </li> <li id="cite_note-araa8_265-32"><span class="mw-cite-backlink"><a href="#cite_ref-araa8_265_32-0">↑</a></span> <span class="reference-text"> <cite id="CITEREFHewish1970" class="citation journal"><a href="/wiki/%EC%95%A4%EC%84%9C%EB%8B%88_%ED%9C%B4%EC%9D%B4%EC%8B%9C" title="앤서니 휴이시">Hewish, A.</a> (1970). “Pulsars”. <i><a href="/w/index.php?title=Annual_Review_of_Astronomy_and_Astrophysics&action=edit&redlink=1" class="new" title="Annual Review of Astronomy and Astrophysics (없는 문서)">Annual Review of Astronomy and Astrophysics</a></i> <b>8</b> (1): 265–296. <a href="/wiki/%EB%B9%84%EB%B8%8C%EC%BD%94%EB%93%9C" title="비브코드">Bibcode</a>:<a rel="nofollow" class="external text" href="http://adsabs.harvard.edu/abs/1970ARA&A...8..265H">1970ARA&A...8..265H</a>. <a href="/wiki/%EB%94%94%EC%A7%80%ED%84%B8_%EA%B0%9D%EC%B2%B4_%EC%8B%9D%EB%B3%84%EC%9E%90" title="디지털 객체 식별자">doi</a>:<a rel="nofollow" class="external text" href="https://dx.doi.org/10.1146%2Fannurev.aa.08.090170.001405">10.1146/annurev.aa.08.090170.001405</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Annual+Review+of+Astronomy+and+Astrophysics&rft.atitle=Pulsars&rft.volume=8&rft.issue=1&rft.pages=265-296&rft.date=1970&rft_id=info%3Adoi%2F10.1146%2Fannurev.aa.08.090170.001405&rft_id=info%3Abibcode%2F1970ARA%26A...8..265H&rft.aulast=Hewish&rft.aufirst=A.&rfr_id=info%3Asid%2Fko.wikipedia.org%3A%EB%B8%94%EB%9E%99%ED%99%80" class="Z3988"><span style="display:none;"> </span></span></span> </li> <li id="cite_note-33"><span class="mw-cite-backlink"><a href="#cite_ref-33">↑</a></span> <span class="reference-text"> <cite id="CITEREFNewmanCouchChinnaparedExton1965" class="citation journal"><a href="/w/index.php?title=%EC%97%90%EC%A6%88%EB%9D%BC_T._%EB%89%B4%EB%A8%BC&action=edit&redlink=1" class="new" title="에즈라 T. 뉴먼 (없는 문서)">Newman, E. T.</a>; 외. (1965). “Metric of a Rotating, Charged Mass”. <i><a href="/w/index.php?title=Journal_of_Mathematical_Physics&action=edit&redlink=1" class="new" title="Journal of Mathematical Physics (없는 문서)">Journal of Mathematical Physics</a></i> <b>6</b> (6): 918. <a href="/wiki/%EB%B9%84%EB%B8%8C%EC%BD%94%EB%93%9C" title="비브코드">Bibcode</a>:<a rel="nofollow" class="external text" href="http://adsabs.harvard.edu/abs/1965JMP.....6..918N">1965JMP.....6..918N</a>. <a href="/wiki/%EB%94%94%EC%A7%80%ED%84%B8_%EA%B0%9D%EC%B2%B4_%EC%8B%9D%EB%B3%84%EC%9E%90" title="디지털 객체 식별자">doi</a>:<a rel="nofollow" class="external text" href="https://dx.doi.org/10.1063%2F1.1704351">10.1063/1.1704351</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Journal+of+Mathematical+Physics&rft.atitle=Metric+of+a+Rotating%2C+Charged+Mass&rft.volume=6&rft.issue=6&rft.pages=918&rft.date=1965&rft_id=info%3Adoi%2F10.1063%2F1.1704351&rft_id=info%3Abibcode%2F1965JMP.....6..918N&rft.aulast=Newman&rft.aufirst=E.+T.&rft.au=Couch%2C+E.&rft.au=Chinnapared%2C+K.&rft.au=Exton%2C+A.&rft.au=Prakash%2C+A.&rft.au=Torrence%2C+R.&rfr_id=info%3Asid%2Fko.wikipedia.org%3A%EB%B8%94%EB%9E%99%ED%99%80" class="Z3988"><span style="display:none;"> </span></span></span> </li> <li id="cite_note-34"><span class="mw-cite-backlink"><a href="#cite_ref-34">↑</a></span> <span class="reference-text"> <cite id="CITEREFIsrael1967" class="citation journal">Israel, W. (1967). “Event Horizons in Static Vacuum Space-Times”. <i><a href="/wiki/Physical_Review" class="mw-redirect" title="Physical Review">Physical Review</a></i> <b>164</b> (5): 1776. <a href="/wiki/%EB%B9%84%EB%B8%8C%EC%BD%94%EB%93%9C" title="비브코드">Bibcode</a>:<a rel="nofollow" class="external text" href="http://adsabs.harvard.edu/abs/1967PhRv..164.1776I">1967PhRv..164.1776I</a>. <a href="/wiki/%EB%94%94%EC%A7%80%ED%84%B8_%EA%B0%9D%EC%B2%B4_%EC%8B%9D%EB%B3%84%EC%9E%90" title="디지털 객체 식별자">doi</a>:<a rel="nofollow" class="external text" href="https://dx.doi.org/10.1103%2FPhysRev.164.1776">10.1103/PhysRev.164.1776</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Physical+Review&rft.atitle=Event+Horizons+in+Static+Vacuum+Space-Times&rft.volume=164&rft.issue=5&rft.pages=1776&rft.date=1967&rft_id=info%3Adoi%2F10.1103%2FPhysRev.164.1776&rft_id=info%3Abibcode%2F1967PhRv..164.1776I&rft.aulast=Israel&rft.aufirst=W.&rfr_id=info%3Asid%2Fko.wikipedia.org%3A%EB%B8%94%EB%9E%99%ED%99%80" class="Z3988"><span style="display:none;"> </span></span></span> </li> <li id="cite_note-35"><span class="mw-cite-backlink"><a href="#cite_ref-35">↑</a></span> <span class="reference-text"> <cite id="CITEREFCarter1971" class="citation journal"><a href="/w/index.php?title=%EB%B8%8C%EB%9E%9C%EB%93%A0_%EC%B9%B4%ED%84%B0&action=edit&redlink=1" class="new" title="브랜든 카터 (없는 문서)">Carter, B.</a> (1971). “Axisymmetric Black Hole Has Only Two Degrees of Freedom”. <i><a href="/wiki/Physical_Review_Letters" class="mw-redirect" title="Physical Review Letters">Physical Review Letters</a></i> <b>26</b> (6): 331. <a href="/wiki/%EB%B9%84%EB%B8%8C%EC%BD%94%EB%93%9C" title="비브코드">Bibcode</a>:<a rel="nofollow" class="external text" href="http://adsabs.harvard.edu/abs/1971PhRvL..26..331C">1971PhRvL..26..331C</a>. <a href="/wiki/%EB%94%94%EC%A7%80%ED%84%B8_%EA%B0%9D%EC%B2%B4_%EC%8B%9D%EB%B3%84%EC%9E%90" title="디지털 객체 식별자">doi</a>:<a rel="nofollow" class="external text" href="https://dx.doi.org/10.1103%2FPhysRevLett.26.331">10.1103/PhysRevLett.26.331</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Physical+Review+Letters&rft.atitle=Axisymmetric+Black+Hole+Has+Only+Two+Degrees+of+Freedom&rft.volume=26&rft.issue=6&rft.pages=331&rft.date=1971&rft_id=info%3Adoi%2F10.1103%2FPhysRevLett.26.331&rft_id=info%3Abibcode%2F1971PhRvL..26..331C&rft.aulast=Carter&rft.aufirst=B.&rfr_id=info%3Asid%2Fko.wikipedia.org%3A%EB%B8%94%EB%9E%99%ED%99%80" class="Z3988"><span style="display:none;"> </span></span></span> </li> <li id="cite_note-36"><span class="mw-cite-backlink"><a href="#cite_ref-36">↑</a></span> <span class="reference-text"> <cite class="citation book"><a href="/w/index.php?title=%EB%B8%8C%EB%9E%9C%EB%93%A0_%EC%B9%B4%ED%84%B0&action=edit&redlink=1" class="new" title="브랜든 카터 (없는 문서)">Carter, B.</a> (1977). “The vacuum black hole uniqueness theorem and its conceivable generalisations”. <i>Proceedings of the 1st Marcel Grossmann meeting on general relativity</i>. 243–254쪽.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=bookitem&rft.atitle=The+vacuum+black+hole+uniqueness+theorem+and+its+conceivable+generalisations&rft.btitle=Proceedings+of+the+1st+Marcel+Grossmann+meeting+on+general+relativity&rft.pages=243-254&rft.date=1977&rft.aulast=Carter&rft.aufirst=B.&rfr_id=info%3Asid%2Fko.wikipedia.org%3A%EB%B8%94%EB%9E%99%ED%99%80" class="Z3988"><span style="display:none;"> </span></span></span> </li> <li id="cite_note-37"><span class="mw-cite-backlink"><a href="#cite_ref-37">↑</a></span> <span class="reference-text"> <cite id="CITEREFRobinson1975" class="citation journal">Robinson, D. (1975). “Uniqueness of the Kerr Black Hole”. <i><a href="/wiki/Physical_Review_Letters" class="mw-redirect" title="Physical Review Letters">Physical Review Letters</a></i> <b>34</b> (14): 905. <a href="/wiki/%EB%B9%84%EB%B8%8C%EC%BD%94%EB%93%9C" title="비브코드">Bibcode</a>:<a rel="nofollow" class="external text" href="http://adsabs.harvard.edu/abs/1975PhRvL..34..905R">1975PhRvL..34..905R</a>. <a href="/wiki/%EB%94%94%EC%A7%80%ED%84%B8_%EA%B0%9D%EC%B2%B4_%EC%8B%9D%EB%B3%84%EC%9E%90" title="디지털 객체 식별자">doi</a>:<a rel="nofollow" class="external text" href="https://dx.doi.org/10.1103%2FPhysRevLett.34.905">10.1103/PhysRevLett.34.905</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Physical+Review+Letters&rft.atitle=Uniqueness+of+the+Kerr+Black+Hole&rft.volume=34&rft.issue=14&rft.pages=905&rft.date=1975&rft_id=info%3Adoi%2F10.1103%2FPhysRevLett.34.905&rft_id=info%3Abibcode%2F1975PhRvL..34..905R&rft.aulast=Robinson&rft.aufirst=D.&rfr_id=info%3Asid%2Fko.wikipedia.org%3A%EB%B8%94%EB%9E%99%ED%99%80" class="Z3988"><span style="display:none;"> </span></span></span> </li> <li id="cite_note-HeuslerNoHair-38"><span class="mw-cite-backlink">↑ <sup><a href="#cite_ref-HeuslerNoHair_38-0">가</a></sup> <sup><a href="#cite_ref-HeuslerNoHair_38-1">나</a></sup></span> <span class="reference-text"><cite id="CITEREFHeusler1998" class="citation journal">Heusler, M. (1998). <a rel="nofollow" class="external text" href="https://web.archive.org/web/19990203021646/http://www.livingreviews.org/Articles/Volume1/1998-6heusler/">“Stationary Black Holes: Uniqueness and Beyond”</a>. <i>Living Reviews in Relativity</i> <b>1</b> (6). <a href="/wiki/%EB%94%94%EC%A7%80%ED%84%B8_%EA%B0%9D%EC%B2%B4_%EC%8B%9D%EB%B3%84%EC%9E%90" title="디지털 객체 식별자">doi</a>:<a rel="nofollow" class="external text" href="https://dx.doi.org/10.12942%2Flrr-1998-6">10.12942/lrr-1998-6</a>. 1999년 2월 3일에 <a rel="nofollow" class="external text" href="http://relativity.livingreviews.org/Articles/lrr-1998-6/">원본 문서</a>에서 보존된 문서<span class="reference-accessdate">. 2011년 2월 8일에 확인함</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Living+Reviews+in+Relativity&rft.atitle=Stationary+Black+Holes%3A+Uniqueness+and+Beyond&rft.volume=1&rft.issue=6&rft.date=1998&rft_id=info%3Adoi%2F10.12942%2Flrr-1998-6&rft.aulast=Heusler&rft.aufirst=M.&rft_id=http%3A%2F%2Frelativity.livingreviews.org%2FArticles%2Flrr-1998-6%2F&rfr_id=info%3Asid%2Fko.wikipedia.org%3A%EB%B8%94%EB%9E%99%ED%99%80" class="Z3988"><span style="display:none;"> </span></span></span> </li> <li id="cite_note-penrose1965-39"><span class="mw-cite-backlink">↑ <sup><a href="#cite_ref-penrose1965_39-0">가</a></sup> <sup><a href="#cite_ref-penrose1965_39-1">나</a></sup></span> <span class="reference-text"> <cite id="CITEREFPenrose1965" class="citation journal"><a href="/wiki/%EB%A1%9C%EC%A0%80_%ED%8E%9C%EB%A1%9C%EC%A6%88" title="로저 펜로즈">Penrose, R.</a> (1965). “Gravitational Collapse and Space-Time Singularities”. <i><a href="/wiki/Physical_Review_Letters" class="mw-redirect" title="Physical Review Letters">Physical Review Letters</a></i> <b>14</b> (3): 57. <a href="/wiki/%EB%B9%84%EB%B8%8C%EC%BD%94%EB%93%9C" title="비브코드">Bibcode</a>:<a rel="nofollow" class="external text" href="http://adsabs.harvard.edu/abs/1965PhRvL..14...57P">1965PhRvL..14...57P</a>. <a href="/wiki/%EB%94%94%EC%A7%80%ED%84%B8_%EA%B0%9D%EC%B2%B4_%EC%8B%9D%EB%B3%84%EC%9E%90" title="디지털 객체 식별자">doi</a>:<a rel="nofollow" class="external text" href="https://dx.doi.org/10.1103%2FPhysRevLett.14.57">10.1103/PhysRevLett.14.57</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Physical+Review+Letters&rft.atitle=Gravitational+Collapse+and+Space-Time+Singularities&rft.volume=14&rft.issue=3&rft.pages=57&rft.date=1965&rft_id=info%3Adoi%2F10.1103%2FPhysRevLett.14.57&rft_id=info%3Abibcode%2F1965PhRvL..14...57P&rft.aulast=Penrose&rft.aufirst=R.&rfr_id=info%3Asid%2Fko.wikipedia.org%3A%EB%B8%94%EB%9E%99%ED%99%80" class="Z3988"><span style="display:none;"> </span></span></span> </li> <li id="cite_note-40"><span class="mw-cite-backlink"><a href="#cite_ref-40">↑</a></span> <span class="reference-text"> <cite id="CITEREFFord2003" class="citation journal">Ford, L. H. (2003). “The Classical Singularity Theorems and Their Quantum Loopholes”. <i><a href="/w/index.php?title=International_Journal_of_Theoretical_Physics&action=edit&redlink=1" class="new" title="International Journal of Theoretical Physics (없는 문서)">International Journal of Theoretical Physics</a></i> <b>42</b> (6): 1219. <a href="/wiki/%EB%94%94%EC%A7%80%ED%84%B8_%EA%B0%9D%EC%B2%B4_%EC%8B%9D%EB%B3%84%EC%9E%90" title="디지털 객체 식별자">doi</a>:<a rel="nofollow" class="external text" href="https://dx.doi.org/10.1023%2FA%3A1025754515197">10.1023/A:1025754515197</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=International+Journal+of+Theoretical+Physics&rft.atitle=The+Classical+Singularity+Theorems+and+Their+Quantum+Loopholes&rft.volume=42&rft.issue=6&rft.pages=1219&rft.date=2003&rft_id=info%3Adoi%2F10.1023%2FA%3A1025754515197&rft.aulast=Ford&rft.aufirst=L.+H.&rfr_id=info%3Asid%2Fko.wikipedia.org%3A%EB%B8%94%EB%9E%99%ED%99%80" class="Z3988"><span style="display:none;"> </span></span></span> </li> <li id="cite_note-41"><span class="mw-cite-backlink"><a href="#cite_ref-41">↑</a></span> <span class="reference-text"> <cite id="CITEREFBardeenCarterHawking1973" class="citation journal"><a href="/w/index.php?title=%EC%A0%9C%EC%9E%84%EC%8A%A4_%EB%B0%94%EB%94%98&action=edit&redlink=1" class="new" title="제임스 바딘 (없는 문서)">Bardeen, J. M.</a>; <a href="/w/index.php?title=%EB%B8%8C%EB%9E%9C%EB%93%A0_%EC%B9%B4%ED%84%B0&action=edit&redlink=1" class="new" title="브랜든 카터 (없는 문서)">Carter, B.</a>; <a href="/wiki/%EC%8A%A4%ED%8B%B0%EB%B8%90_%ED%98%B8%ED%82%B9" title="스티븐 호킹">Hawking, S. W.</a> (1973). <a rel="nofollow" class="external text" href="https://archive.org/details/sim_communications-in-mathematical-physics_1973-05-28_31_2/page/n80">“The four laws of black hole mechanics”</a>. 《<a href="/w/index.php?title=Communications_in_Mathematical_Physics&action=edit&redlink=1" class="new" title="Communications in Mathematical Physics (없는 문서)">Communications in Mathematical Physics</a>》 <b>31</b> (2): 161–170. <a href="/wiki/%EB%B9%84%EB%B8%8C%EC%BD%94%EB%93%9C" title="비브코드">Bibcode</a>:<a rel="nofollow" class="external text" href="http://adsabs.harvard.edu/abs/1973CMaPh..31..161B">1973CMaPh..31..161B</a>. <a href="/wiki/%EB%94%94%EC%A7%80%ED%84%B8_%EA%B0%9D%EC%B2%B4_%EC%8B%9D%EB%B3%84%EC%9E%90" title="디지털 객체 식별자">doi</a>:<a rel="nofollow" class="external text" href="https://dx.doi.org/10.1007%2FBF01645742">10.1007/BF01645742</a>. <a href="/wiki/%EC%88%98%ED%95%99_%EB%A6%AC%EB%B7%B0" title="수학 리뷰">MR</a> <a rel="nofollow" class="external text" href="//www.ams.org/mathscinet-getitem?mr=MR0334798">MR0334798</a>. <a href="/wiki/%EC%B2%B8%ED%8A%B8%EB%9E%84%EB%B8%94%EB%9D%BC%ED%8A%B8_%EB%A7%88%ED%8A%B8" title="첸트랄블라트 마트">Zbl</a> <a rel="nofollow" class="external text" href="//zbmath.org/?format=complete&q=an:1125.83309">1125.83309</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Communications+in+Mathematical+Physics&rft.atitle=The+four+laws+of+black+hole+mechanics&rft.volume=31&rft.issue=2&rft.pages=161-170&rft.date=1973&rft_id=%2F%2Fzbmath.org%2F%3Fformat%3Dcomplete%26q%3Dan%3A1125.83309&rft_id=%2F%2Fwww.ams.org%2Fmathscinet-getitem%3Fmr%3DMR0334798&rft_id=info%3Adoi%2F10.1007%2FBF01645742&rft_id=info%3Abibcode%2F1973CMaPh..31..161B&rft.aulast=Bardeen&rft.aufirst=J.+M.&rft.au=Carter%2C+B.&rft.au=Hawking%2C+S.+W.&rft_id=https%3A%2F%2Farchive.org%2Fdetails%2Fsim_communications-in-mathematical-physics_1973-05-28_31_2%2Fpage%2Fn80&rfr_id=info%3Asid%2Fko.wikipedia.org%3A%EB%B8%94%EB%9E%99%ED%99%80" class="Z3988"><span style="display:none;"> </span></span></span> </li> <li id="cite_note-Hawking1974-42"><span class="mw-cite-backlink">↑ <sup><a href="#cite_ref-Hawking1974_42-0">가</a></sup> <sup><a href="#cite_ref-Hawking1974_42-1">나</a></sup> <sup><a href="#cite_ref-Hawking1974_42-2">다</a></sup></span> <span class="reference-text"><cite id="CITEREFHawking1974" class="citation journal"><a href="/w/index.php?title=Stephen_Hawking&action=edit&redlink=1" class="new" title="Stephen Hawking (없는 문서)">Hawking, S. W.</a> (1974). “Black hole explosions?”. <i>Nature</i> <b>248</b> (5443): 30–31. <a href="/wiki/%EB%B9%84%EB%B8%8C%EC%BD%94%EB%93%9C" title="비브코드">Bibcode</a>:<a rel="nofollow" class="external text" href="http://adsabs.harvard.edu/abs/1974Natur.248...30H">1974Natur.248...30H</a>. <a href="/wiki/%EB%94%94%EC%A7%80%ED%84%B8_%EA%B0%9D%EC%B2%B4_%EC%8B%9D%EB%B3%84%EC%9E%90" title="디지털 객체 식별자">doi</a>:<a rel="nofollow" class="external text" href="https://dx.doi.org/10.1038%2F248030a0">10.1038/248030a0</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Nature&rft.atitle=Black+hole+explosions%3F&rft.volume=248&rft.issue=5443&rft.pages=30-31&rft.date=1974&rft_id=info%3Adoi%2F10.1038%2F248030a0&rft_id=info%3Abibcode%2F1974Natur.248...30H&rft.aulast=Hawking&rft.aufirst=S.+W.&rfr_id=info%3Asid%2Fko.wikipedia.org%3A%EB%B8%94%EB%9E%99%ED%99%80" class="Z3988"><span style="display:none;"> </span></span></span> </li> <li id="cite_note-43"><span class="mw-cite-backlink"><a href="#cite_ref-43">↑</a></span> <span class="reference-text"> <cite class="citation web"><a href="/w/index.php?title=%EB%A7%88%EC%9D%B4%ED%81%B4_%ED%80%B4%EB%8B%88%EC%96%B8&action=edit&redlink=1" class="new" title="마이클 퀴니언 (없는 문서)">Quinion, M.</a> (2008년 4월 26일). <a rel="nofollow" class="external text" href="http://www.worldwidewords.org/topicalwords/tw-bla1.htm">“Black Hole”</a>. 《<a href="/w/index.php?title=World_Wide_Words&action=edit&redlink=1" class="new" title="World Wide Words (없는 문서)">World Wide Words</a>》<span class="reference-accessdate">. 2008년 6월 17일에 확인함</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=World+Wide+Words&rft.atitle=Black+Hole&rft.date=2008-04-26&rft.aulast=Quinion&rft.aufirst=M.&rft_id=http%3A%2F%2Fwww.worldwidewords.org%2Ftopicalwords%2Ftw-bla1.htm&rfr_id=info%3Asid%2Fko.wikipedia.org%3A%EB%B8%94%EB%9E%99%ED%99%80" class="Z3988"><span style="display:none;"> </span></span></span> </li> <li id="cite_note-44"><span class="mw-cite-backlink"><a href="#cite_ref-44">↑</a></span> <span class="reference-text"><a href="#CITEREFCarroll2004">Carroll 2004</a>, 253쪽</span> </li> <li id="cite_note-45"><span class="mw-cite-backlink"><a href="#cite_ref-45">↑</a></span> <span class="reference-text"><cite class="citation book"><a href="/wiki/%ED%82%B5_%EC%86%90" title="킵 손">Thorne, K. S.</a>; <a href="/w/index.php?title=%EB%A6%AC%EC%B2%98%EB%93%9C_H._%ED%94%84%EB%9D%BC%EC%9D%B4%EC%8A%A4&action=edit&redlink=1" class="new" title="리처드 H. 프라이스 (없는 문서)">Price, R. H.</a> (1986). <i>Black holes: the membrane paradigm</i>. Yale University Press. <a href="/wiki/%EA%B5%AD%EC%A0%9C_%ED%91%9C%EC%A4%80_%EB%8F%84%EC%84%9C_%EB%B2%88%ED%98%B8" class="mw-redirect" title="국제 표준 도서 번호">ISBN</a> <a href="/wiki/%ED%8A%B9%EC%88%98:%EC%B1%85%EC%B0%BE%EA%B8%B0/978-0-300-03770-8" title="특수:책찾기/978-0-300-03770-8"><bdi>978-0-300-03770-8</bdi></a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=Black+holes%3A+the+membrane+paradigm&rft.pub=Yale+University+Press&rft.date=1986&rft.isbn=978-0-300-03770-8&rft.aulast=Thorne&rft.aufirst=K.+S.&rft.au=Price%2C+R.+H.&rfr_id=info%3Asid%2Fko.wikipedia.org%3A%EB%B8%94%EB%9E%99%ED%99%80" class="Z3988"><span style="display:none;"> </span></span></span> </li> <li id="cite_note-46"><span class="mw-cite-backlink"><a href="#cite_ref-46">↑</a></span> <span class="reference-text"><cite class="citation web">Anderson, Warren G. (1996). <a rel="nofollow" class="external text" href="https://web.archive.org/web/20090122223839/http://math.ucr.edu/home/baez/physics/Relativity/BlackHoles/info_loss.html#">“The Black Hole Information Loss Problem”</a>. 《Usenet Physics FAQ》. 2009년 1월 22일에 <a rel="nofollow" class="external text" href="http://math.ucr.edu/home/baez/physics/Relativity/BlackHoles/info_loss.html">원본 문서</a>에서 보존된 문서<span class="reference-accessdate">. 2009년 3월 24일에 확인함</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=Usenet+Physics+FAQ&rft.atitle=The+Black+Hole+Information+Loss+Problem&rft.date=1996&rft.aulast=Anderson&rft.aufirst=Warren+G.&rft_id=http%3A%2F%2Fmath.ucr.edu%2Fhome%2Fbaez%2Fphysics%2FRelativity%2FBlackHoles%2Finfo_loss.html&rfr_id=info%3Asid%2Fko.wikipedia.org%3A%EB%B8%94%EB%9E%99%ED%99%80" class="Z3988"><span style="display:none;"> </span></span></span> </li> <li id="cite_note-47"><span class="mw-cite-backlink"><a href="#cite_ref-47">↑</a></span> <span class="reference-text"><cite class="citation conference"><a href="/w/index.php?title=%EC%A1%B4_%ED%94%84%EB%A0%88%EC%8A%A4%ED%82%AC&action=edit&redlink=1" class="new" title="존 프레스킬 (없는 문서)">Preskill, J.</a> (1994년 10월 21일). <a rel="nofollow" class="external text" href="http://www.theory.caltech.edu/~preskill/talks/blackholes.pdf">《Black holes and information: A crisis in quantum physics》</a> <span style="font-size:85%;">(PDF)</span>. Caltech Theory Seminar.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=conference&rft.btitle=Black+holes+and+information%3A+A+crisis+in+quantum+physics&rft.date=1994-10-21&rft.aulast=Preskill&rft.aufirst=J.&rft_id=http%3A%2F%2Fwww.theory.caltech.edu%2F~preskill%2Ftalks%2Fblackholes.pdf&rfr_id=info%3Asid%2Fko.wikipedia.org%3A%EB%B8%94%EB%9E%99%ED%99%80" class="Z3988"><span style="display:none;"> </span></span></span> </li> <li id="cite_note-48"><span class="mw-cite-backlink"><a href="#cite_ref-48">↑</a></span> <span class="reference-text"><a href="#CITEREFHawkingEllis1973">Hawking & Ellis 1973</a>, Appendix B</span> </li> <li id="cite_note-49"><span class="mw-cite-backlink"><a href="#cite_ref-49">↑</a></span> <span class="reference-text"><cite id="CITEREFSeedsBackman2007" class="citation book">Seeds, Michael A.; Backman, Dana E. (2007). <a rel="nofollow" class="external text" href="https://books.google.com/books?id=CXom04KGIL8C&pg=PA167"><i>Perspectives on Astronomy</i></a>. Cengage Learning. 167쪽. <a href="/wiki/%EA%B5%AD%EC%A0%9C_%ED%91%9C%EC%A4%80_%EB%8F%84%EC%84%9C_%EB%B2%88%ED%98%B8" class="mw-redirect" title="국제 표준 도서 번호">ISBN</a> <a href="/wiki/%ED%8A%B9%EC%88%98:%EC%B1%85%EC%B0%BE%EA%B8%B0/0-495-11352-2" title="특수:책찾기/0-495-11352-2"><bdi>0-495-11352-2</bdi></a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=Perspectives+on+Astronomy&rft.pages=167&rft.pub=Cengage+Learning&rft.date=2007&rft.isbn=0-495-11352-2&rft.aulast=Seeds&rft.aufirst=Michael+A.&rft.au=Backman%2C+Dana+E.&rft_id=https%3A%2F%2Fbooks.google.com%2Fbooks%3Fid%3DCXom04KGIL8C%26pg%3DPA167&rfr_id=info%3Asid%2Fko.wikipedia.org%3A%EB%B8%94%EB%9E%99%ED%99%80" class="Z3988"><span style="display:none;"> </span></span></span> </li> <li id="cite_note-shapiro_teukolsky1983-50"><span class="mw-cite-backlink"><a href="#cite_ref-shapiro_teukolsky1983_50-0">↑</a></span> <span class="reference-text"><cite class="citation book">Shapiro, S. L.; <a href="/w/index.php?title=%EC%82%AC%EC%9A%B8_%ED%85%8C%EC%9A%B0%EC%BD%9C%EC%8A%A4%ED%82%A4&action=edit&redlink=1" class="new" title="사울 테우콜스키 (없는 문서)">Teukolsky, S. A.</a> (1983). <i>Black holes, white dwarfs, and neutron stars: the physics of compact objects</i>. John Wiley and Sons. 357쪽. <a href="/wiki/%EA%B5%AD%EC%A0%9C_%ED%91%9C%EC%A4%80_%EB%8F%84%EC%84%9C_%EB%B2%88%ED%98%B8" class="mw-redirect" title="국제 표준 도서 번호">ISBN</a> <a href="/wiki/%ED%8A%B9%EC%88%98:%EC%B1%85%EC%B0%BE%EA%B8%B0/0-471-87316-0" title="특수:책찾기/0-471-87316-0"><bdi>0-471-87316-0</bdi></a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=Black+holes%2C+white+dwarfs%2C+and+neutron+stars%3A+the+physics+of+compact+objects&rft.pages=357&rft.pub=John+Wiley+and+Sons&rft.date=1983&rft.isbn=0-471-87316-0&rft.aulast=Shapiro&rft.aufirst=S.+L.&rft.au=Teukolsky%2C+S.+A.&rfr_id=info%3Asid%2Fko.wikipedia.org%3A%EB%B8%94%EB%9E%99%ED%99%80" class="Z3988"><span style="display:none;"> </span></span></span> </li> <li id="cite_note-51"><span class="mw-cite-backlink"><a href="#cite_ref-51">↑</a></span> <span class="reference-text"><cite id="CITEREFBerger2002" class="citation journal">Berger, B. K. (2002). <a rel="nofollow" class="external text" href="http://www.livingreviews.org/lrr-2002-1">“Numerical Approaches to Spacetime Singularities”</a>. <i>Living Reviews in Relativity</i> <b>5</b>: 1. <a href="/wiki/ArXiv" title="ArXiv">arXiv</a>:<a rel="nofollow" class="external text" href="//arxiv.org/abs/gr-qc/0201056">gr-qc/0201056</a>. <a href="/wiki/%EB%B9%84%EB%B8%8C%EC%BD%94%EB%93%9C" title="비브코드">Bibcode</a>:<a rel="nofollow" class="external text" href="http://adsabs.harvard.edu/abs/2002LRR.....5....1B">2002LRR.....5....1B</a>. <a href="/wiki/%EB%94%94%EC%A7%80%ED%84%B8_%EA%B0%9D%EC%B2%B4_%EC%8B%9D%EB%B3%84%EC%9E%90" title="디지털 객체 식별자">doi</a>:<a rel="nofollow" class="external text" href="https://dx.doi.org/10.12942%2Flrr-2002-1">10.12942/lrr-2002-1</a><span class="reference-accessdate">. 2007년 8월 4일에 확인함</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Living+Reviews+in+Relativity&rft.atitle=Numerical+Approaches+to+Spacetime+Singularities&rft.volume=5&rft.pages=1&rft.date=2002&rft_id=info%3Aarxiv%2Fgr-qc%2F0201056&rft_id=info%3Adoi%2F10.12942%2Flrr-2002-1&rft_id=info%3Abibcode%2F2002LRR.....5....1B&rft.aulast=Berger&rft.aufirst=B.+K.&rft_id=http%3A%2F%2Fwww.livingreviews.org%2Flrr-2002-1&rfr_id=info%3Asid%2Fko.wikipedia.org%3A%EB%B8%94%EB%9E%99%ED%99%80" class="Z3988"><span style="display:none;"> </span></span></span> </li> <li id="cite_note-52"><span class="mw-cite-backlink"><a href="#cite_ref-52">↑</a></span> <span class="reference-text"><cite id="CITEREFMcClintockShafeeNarayanRemillard2006" class="citation journal">McClintock, J. E.; Shafee, R.; Narayan, R.; Remillard, R. A.; Davis, S. W.; Li, L.-X. (2006). “The Spin of the Near-Extreme Kerr Black Hole GRS 1915+105”. <i>Astrophysical Journal</i> <b>652</b> (1): 518–539. <a href="/wiki/ArXiv" title="ArXiv">arXiv</a>:<a rel="nofollow" class="external text" href="//arxiv.org/abs/astro-ph/0606076">astro-ph/0606076</a>. <a href="/wiki/%EB%B9%84%EB%B8%8C%EC%BD%94%EB%93%9C" title="비브코드">Bibcode</a>:<a rel="nofollow" class="external text" href="http://adsabs.harvard.edu/abs/2006ApJ...652..518M">2006ApJ...652..518M</a>. <a href="/wiki/%EB%94%94%EC%A7%80%ED%84%B8_%EA%B0%9D%EC%B2%B4_%EC%8B%9D%EB%B3%84%EC%9E%90" title="디지털 객체 식별자">doi</a>:<a rel="nofollow" class="external text" href="https://dx.doi.org/10.1086%2F508457">10.1086/508457</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Astrophysical+Journal&rft.atitle=The+Spin+of+the+Near-Extreme+Kerr+Black+Hole+GRS+1915%2B105&rft.volume=652&rft.issue=1&rft.pages=518-539&rft.date=2006&rft_id=info%3Aarxiv%2Fastro-ph%2F0606076&rft_id=info%3Adoi%2F10.1086%2F508457&rft_id=info%3Abibcode%2F2006ApJ...652..518M&rft.aulast=McClintock&rft.aufirst=J.+E.&rft.au=Shafee%2C+R.&rft.au=Narayan%2C+R.&rft.au=Remillard%2C+R.+A.&rft.au=Davis%2C+S.+W.&rft.au=Li%2C+L.-X.&rfr_id=info%3Asid%2Fko.wikipedia.org%3A%EB%B8%94%EB%9E%99%ED%99%80" class="Z3988"><span style="display:none;"> </span></span></span> </li> <li id="cite_note-53"><span class="mw-cite-backlink"><a href="#cite_ref-53">↑</a></span> <span class="reference-text"><a href="#CITEREFWald1984">Wald 1984</a>, 124–125쪽</span> </li> <li id="cite_note-54"><span class="mw-cite-backlink"><a href="#cite_ref-54">↑</a></span> <span class="reference-text"><a href="#CITEREFThorneMisnerWheeler1973">Thorne, Misner & Wheeler 1973</a>, 848쪽<span class="error harv-error" style="display: none; font-size:100%"> 괄호 없는 하버드 인용 error: 대상 없음: CITEREFThorneMisnerWheeler1973 (<a href="https://en.wikipedia.org/wiki/Category:Harv_and_Sfn_template_errors" class="extiw" title="en:Category:Harv and Sfn template errors">help</a>)</span></span> </li> <li id="cite_note-56"><span class="mw-cite-backlink"><a href="#cite_ref-56">↑</a></span> <span class="reference-text"><a href="#CITEREFWheeler2007">Wheeler 2007</a>, 179쪽</span> </li> <li id="cite_note-57"><span class="mw-cite-backlink"><a href="#cite_ref-57">↑</a></span> <span class="reference-text"><a href="#CITEREFCarroll2004">Carroll 2004</a>, Ch. 5.4 and 7.3</span> </li> <li id="cite_note-58"><span class="mw-cite-backlink"><a href="#cite_ref-58">↑</a></span> <span class="reference-text"><a href="#CITEREFCarroll2004">Carroll 2004</a>, 217쪽</span> </li> <li id="cite_note-59"><span class="mw-cite-backlink"><a href="#cite_ref-59">↑</a></span> <span class="reference-text"><a href="#CITEREFCarroll2004">Carroll 2004</a>, 218쪽</span> </li> <li id="cite_note-60"><span class="mw-cite-backlink"><a href="#cite_ref-60">↑</a></span> <span class="reference-text"><cite class="citation web"><a rel="nofollow" class="external text" href="http://nrumiano.free.fr/Estars/int_bh.html">“Inside a black hole”</a>. 《Knowing the universe and its secrets》<span class="reference-accessdate">. 2009년 3월 26일에 확인함</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=Knowing+the+universe+and+its+secrets&rft.atitle=Inside+a+black+hole&rft_id=http%3A%2F%2Fnrumiano.free.fr%2FEstars%2Fint_bh.html&rfr_id=info%3Asid%2Fko.wikipedia.org%3A%EB%B8%94%EB%9E%99%ED%99%80" class="Z3988"><span style="display:none;"> </span></span></span> </li> <li id="cite_note-61"><span class="mw-cite-backlink"><a href="#cite_ref-61">↑</a></span> <span class="reference-text"><a href="#CITEREFCarroll2004">Carroll 2004</a>, 222쪽</span> </li> <li id="cite_note-62"><span class="mw-cite-backlink"><a href="#cite_ref-62">↑</a></span> <span class="reference-text"><cite id="CITEREFEmparanReall2008" class="citation journal">Emparan, R.; Reall, H. S. (2008). <a rel="nofollow" class="external text" href="https://web.archive.org/web/20110327153232/http://relativity.livingreviews.org/Articles/lrr-2008-6/">“Black Holes in Higher Dimensions”</a>. <i>Living Reviews in Relativity</i> <b>11</b> (6). <a href="/wiki/ArXiv" title="ArXiv">arXiv</a>:<a rel="nofollow" class="external text" href="//arxiv.org/abs/0801.3471">0801.3471</a>. <a href="/wiki/%EB%B9%84%EB%B8%8C%EC%BD%94%EB%93%9C" title="비브코드">Bibcode</a>:<a rel="nofollow" class="external text" href="http://adsabs.harvard.edu/abs/2008LRR....11....6E">2008LRR....11....6E</a>. <a href="/wiki/%EB%94%94%EC%A7%80%ED%84%B8_%EA%B0%9D%EC%B2%B4_%EC%8B%9D%EB%B3%84%EC%9E%90" title="디지털 객체 식별자">doi</a>:<a rel="nofollow" class="external text" href="https://dx.doi.org/10.12942%2Flrr-2008-6">10.12942/lrr-2008-6</a>. 2011년 3월 27일에 <a rel="nofollow" class="external text" href="http://relativity.livingreviews.org/Articles/lrr-2008-6/">원본 문서</a>에서 보존된 문서<span class="reference-accessdate">. 2011년 2월 10일에 확인함</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Living+Reviews+in+Relativity&rft.atitle=Black+Holes+in+Higher+Dimensions&rft.volume=11&rft.issue=6&rft.date=2008&rft_id=info%3Aarxiv%2F0801.3471&rft_id=info%3Adoi%2F10.12942%2Flrr-2008-6&rft_id=info%3Abibcode%2F2008LRR....11....6E&rft.aulast=Emparan&rft.aufirst=R.&rft.au=Reall%2C+H.+S.&rft_id=http%3A%2F%2Frelativity.livingreviews.org%2FArticles%2Flrr-2008-6%2F&rfr_id=info%3Asid%2Fko.wikipedia.org%3A%EB%B8%94%EB%9E%99%ED%99%80" class="Z3988"><span style="display:none;"> </span></span></span> </li> <li id="cite_note-63"><span class="mw-cite-backlink"><a href="#cite_ref-63">↑</a></span> <span class="reference-text"><cite id="CITEREFObers2009" class="citation journal">Obers, N. A. (2009). Papantonopoulos, Eleftherios, 편집. “Black Holes in Higher-Dimensional Gravity”. <i>Lecture Notes in Physics</i>. Lecture Notes in Physics <b>769</b>: 211–258. <a href="/wiki/ArXiv" title="ArXiv">arXiv</a>:<a rel="nofollow" class="external text" href="//arxiv.org/abs/0802.0519">0802.0519</a>. <a href="/wiki/%EB%94%94%EC%A7%80%ED%84%B8_%EA%B0%9D%EC%B2%B4_%EC%8B%9D%EB%B3%84%EC%9E%90" title="디지털 객체 식별자">doi</a>:<a rel="nofollow" class="external text" href="https://dx.doi.org/10.1007%2F978-3-540-88460-6">10.1007/978-3-540-88460-6</a>. <a href="/wiki/%EA%B5%AD%EC%A0%9C_%ED%91%9C%EC%A4%80_%EB%8F%84%EC%84%9C_%EB%B2%88%ED%98%B8" class="mw-redirect" title="국제 표준 도서 번호">ISBN</a> <a href="/wiki/%ED%8A%B9%EC%88%98:%EC%B1%85%EC%B0%BE%EA%B8%B0/978-3-540-88459-0" title="특수:책찾기/978-3-540-88459-0"><bdi>978-3-540-88459-0</bdi></a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Lecture+Notes+in+Physics&rft.atitle=Black+Holes+in+Higher-Dimensional+Gravity&rft.volume=769&rft.pages=211-258&rft.date=2009&rft_id=info%3Aarxiv%2F0802.0519&rft_id=info%3Adoi%2F10.1007%2F978-3-540-88460-6&rft.isbn=978-3-540-88459-0&rft.aulast=Obers&rft.aufirst=N.+A.&rfr_id=info%3Asid%2Fko.wikipedia.org%3A%EB%B8%94%EB%9E%99%ED%99%80" class="Z3988"><span style="display:none;"> </span></span></span> </li> <li id="cite_note-65"><span class="mw-cite-backlink"><a href="#cite_ref-65">↑</a></span> <span class="reference-text"><a href="#CITEREFhawkingellis1973">hawking & ellis 1973</a>, Ch. 9.3<span class="error harv-error" style="display: none; font-size:100%"> 괄호 없는 하버드 인용 error: 대상 없음: CITEREFhawkingellis1973 (<a href="https://en.wikipedia.org/wiki/Category:Harv_and_Sfn_template_errors" class="extiw" title="en:Category:Harv and Sfn template errors">help</a>)</span></span> </li> <li id="cite_note-66"><span class="mw-cite-backlink"><a href="#cite_ref-66">↑</a></span> <span class="reference-text"><a href="#CITEREFCarroll2004">Carroll 2004</a>, 205쪽</span> </li> <li id="cite_note-67"><span class="mw-cite-backlink"><a href="#cite_ref-67">↑</a></span> <span class="reference-text"><a href="#CITEREFCarroll2004">Carroll 2004</a>, 264–265쪽</span> </li> <li id="cite_note-68"><span class="mw-cite-backlink"><a href="#cite_ref-68">↑</a></span> <span class="reference-text"><a href="#CITEREFCarroll2004">Carroll 2004</a>, 252쪽</span> </li> <li id="cite_note-69"><span class="mw-cite-backlink"><a href="#cite_ref-69">↑</a></span> <span class="reference-text"><cite id="CITEREFLewisKwan2007" class="citation journal">Lewis, G. F.; Kwan, J. (2007). “No Way Back: Maximizing Survival Time Below the Schwarzschild Event Horizon”. <i>Publications of the Astronomical Society of Australia</i> <b>24</b> (2): 46–52. <a href="/wiki/ArXiv" title="ArXiv">arXiv</a>:<a rel="nofollow" class="external text" href="//arxiv.org/abs/0705.1029">0705.1029</a>. <a href="/wiki/%EB%B9%84%EB%B8%8C%EC%BD%94%EB%93%9C" title="비브코드">Bibcode</a>:<a rel="nofollow" class="external text" href="http://adsabs.harvard.edu/abs/2007PASA...24...46L">2007PASA...24...46L</a>. <a href="/wiki/%EB%94%94%EC%A7%80%ED%84%B8_%EA%B0%9D%EC%B2%B4_%EC%8B%9D%EB%B3%84%EC%9E%90" title="디지털 객체 식별자">doi</a>:<a rel="nofollow" class="external text" href="https://dx.doi.org/10.1071%2FAS07012">10.1071/AS07012</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Publications+of+the+Astronomical+Society+of+Australia&rft.atitle=No+Way+Back%3A+Maximizing+Survival+Time+Below+the+Schwarzschild+Event+Horizon&rft.volume=24&rft.issue=2&rft.pages=46-52&rft.date=2007&rft_id=info%3Aarxiv%2F0705.1029&rft_id=info%3Adoi%2F10.1071%2FAS07012&rft_id=info%3Abibcode%2F2007PASA...24...46L&rft.aulast=Lewis&rft.aufirst=G.+F.&rft.au=Kwan%2C+J.&rfr_id=info%3Asid%2Fko.wikipedia.org%3A%EB%B8%94%EB%9E%99%ED%99%80" class="Z3988"><span style="display:none;"> </span></span></span> </li> <li id="cite_note-70"><span class="mw-cite-backlink"><a href="#cite_ref-70">↑</a></span> <span class="reference-text"><a href="#CITEREFWheeler2007">Wheeler 2007</a>, 182쪽</span> </li> <li id="cite_note-71"><span class="mw-cite-backlink"><a href="#cite_ref-71">↑</a></span> <span class="reference-text"><a href="#CITEREFCarroll2004">Carroll 2004</a>, 257–259 and 265–266쪽</span> </li> <li id="cite_note-72"><span class="mw-cite-backlink"><a href="#cite_ref-72">↑</a></span> <span class="reference-text"><cite id="CITEREFDrozIsraelMorsink1996" class="citation journal">Droz, S.; Israel, W.; Morsink, S. M. (1996). <a rel="nofollow" class="external text" href="http://physicsworldarchive.iop.org/index.cfm?action=summary&doc=9%2F1%2Fphwv9i1a26%40pwa-xml&qt=%28Black%20holes\%3A%20the%20inside%20story%20%3Cin%3E%20%28chtitle%29%29">“Black holes: the inside story”</a>. <i>Physics World</i> <b>9</b> (1): 34–37. <a href="/wiki/%EB%B9%84%EB%B8%8C%EC%BD%94%EB%93%9C" title="비브코드">Bibcode</a>:<a rel="nofollow" class="external text" href="http://adsabs.harvard.edu/abs/1996PhyW....9...34D">1996PhyW....9...34D</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Physics+World&rft.atitle=Black+holes%3A+the+inside+story&rft.volume=9&rft.issue=1&rft.pages=34-37&rft.date=1996&rft_id=info%3Abibcode%2F1996PhyW....9...34D&rft.aulast=Droz&rft.aufirst=S.&rft.au=Israel%2C+W.&rft.au=Morsink%2C+S.+M.&rft_id=http%3A%2F%2Fphysicsworldarchive.iop.org%2Findex.cfm%3Faction%3Dsummary%26doc%3D9%252F1%252Fphwv9i1a26%2540pwa-xml%26qt%3D%2528Black%2520holes%5C%253A%2520the%2520inside%2520story%2520%253Cin%253E%2520%2528chtitle%2529%2529&rfr_id=info%3Asid%2Fko.wikipedia.org%3A%EB%B8%94%EB%9E%99%ED%99%80" class="Z3988"><span style="display:none;"> </span></span></span> </li> <li id="cite_note-73"><span class="mw-cite-backlink"><a href="#cite_ref-73">↑</a></span> <span class="reference-text"><a href="#CITEREFCarroll2004">Carroll 2004</a>, 266쪽</span> </li> <li id="cite_note-74"><span class="mw-cite-backlink"><a href="#cite_ref-74">↑</a></span> <span class="reference-text"><cite id="CITEREFPoissonIsrael1990" class="citation journal">Poisson, E.; Israel, W. (1990). “Internal structure of black holes”. <i>Physical Review D</i> <b>41</b> (6): 1796. <a href="/wiki/%EB%B9%84%EB%B8%8C%EC%BD%94%EB%93%9C" title="비브코드">Bibcode</a>:<a rel="nofollow" class="external text" href="http://adsabs.harvard.edu/abs/1990PhRvD..41.1796P">1990PhRvD..41.1796P</a>. <a href="/wiki/%EB%94%94%EC%A7%80%ED%84%B8_%EA%B0%9D%EC%B2%B4_%EC%8B%9D%EB%B3%84%EC%9E%90" title="디지털 객체 식별자">doi</a>:<a rel="nofollow" class="external text" href="https://dx.doi.org/10.1103%2FPhysRevD.41.1796">10.1103/PhysRevD.41.1796</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Physical+Review+D&rft.atitle=Internal+structure+of+black+holes&rft.volume=41&rft.issue=6&rft.pages=1796&rft.date=1990&rft_id=info%3Adoi%2F10.1103%2FPhysRevD.41.1796&rft_id=info%3Abibcode%2F1990PhRvD..41.1796P&rft.aulast=Poisson&rft.aufirst=E.&rft.au=Israel%2C+W.&rfr_id=info%3Asid%2Fko.wikipedia.org%3A%EB%B8%94%EB%9E%99%ED%99%80" class="Z3988"><span style="display:none;"> </span></span></span> </li> <li id="cite_note-75"><span class="mw-cite-backlink"><a href="#cite_ref-75">↑</a></span> <span class="reference-text"><a href="#CITEREFWald1984">Wald 1984</a>, 212쪽</span> </li> <li id="cite_note-76"><span class="mw-cite-backlink"><a href="#cite_ref-76">↑</a></span> <span class="reference-text"><cite class="citation web">Hamade, R. (1996). <a rel="nofollow" class="external text" href="http://www.damtp.cam.ac.uk/user/gr/public/bh_hawk.html">“Black Holes and Quantum Gravity”</a>. 《Cambridge Relativity and Cosmology》. University of Cambridge<span class="reference-accessdate">. 2009년 3월 26일에 확인함</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=Cambridge+Relativity+and+Cosmology&rft.atitle=Black+Holes+and+Quantum+Gravity&rft.date=1996&rft.aulast=Hamade&rft.aufirst=R.&rft_id=http%3A%2F%2Fwww.damtp.cam.ac.uk%2Fuser%2Fgr%2Fpublic%2Fbh_hawk.html&rfr_id=info%3Asid%2Fko.wikipedia.org%3A%EB%B8%94%EB%9E%99%ED%99%80" class="Z3988"><span style="display:none;"> </span></span></span> </li> <li id="cite_note-77"><span class="mw-cite-backlink"><a href="#cite_ref-77">↑</a></span> <span class="reference-text"><cite class="citation web">Palmer, D. <a rel="nofollow" class="external text" href="https://imagine.gsfc.nasa.gov/docs/ask_astro/answers/980420b.html">“Ask an Astrophysicist: Quantum Gravity and Black Holes”</a>. NASA<span class="reference-accessdate">. 2009년 3월 26일에 확인함</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=Ask+an+Astrophysicist%3A+Quantum+Gravity+and+Black+Holes&rft.pub=NASA&rft.aulast=Palmer&rft.aufirst=D.&rft_id=http%3A%2F%2Fimagine.gsfc.nasa.gov%2Fdocs%2Fask_astro%2Fanswers%2F980420b.html&rfr_id=info%3Asid%2Fko.wikipedia.org%3A%EB%B8%94%EB%9E%99%ED%99%80" class="Z3988"><span style="display:none;"> </span></span></span> </li> <li id="cite_note-prd84_6-78"><span class="mw-cite-backlink">↑ <sup><a href="#cite_ref-prd84_6_78-0">가</a></sup> <sup><a href="#cite_ref-prd84_6_78-1">나</a></sup></span> <span class="reference-text"><cite id="CITEREFNittaChibaSugiyama2011" class="citation journal">Nitta, Daisuke; Chiba, Takeshi; Sugiyama, Naoshi (September 2011). “Shadows of colliding black holes”. 《Physical Review D》 <b>84</b> (6). <a href="/wiki/ArXiv" title="ArXiv">arXiv</a>:<a rel="nofollow" class="external text" href="//arxiv.org/abs/1106.2425">1106.2425</a>. <a href="/wiki/%EB%B9%84%EB%B8%8C%EC%BD%94%EB%93%9C" title="비브코드">Bibcode</a>:<a rel="nofollow" class="external text" href="http://adsabs.harvard.edu/abs/2011PhRvD..84f3008N">2011PhRvD..84f3008N</a>. <a href="/wiki/%EB%94%94%EC%A7%80%ED%84%B8_%EA%B0%9D%EC%B2%B4_%EC%8B%9D%EB%B3%84%EC%9E%90" title="디지털 객체 식별자">doi</a>:<a rel="nofollow" class="external text" href="https://dx.doi.org/10.1103%2FPhysRevD.84.063008">10.1103/PhysRevD.84.063008</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Physical+Review+D&rft.atitle=Shadows+of+colliding+black+holes&rft.volume=84&rft.issue=6&rft.date=2011-09&rft_id=info%3Aarxiv%2F1106.2425&rft_id=info%3Adoi%2F10.1103%2FPhysRevD.84.063008&rft_id=info%3Abibcode%2F2011PhRvD..84f3008N&rft.aulast=Nitta&rft.aufirst=Daisuke&rft.au=Chiba%2C+Takeshi&rft.au=Sugiyama%2C+Naoshi&rfr_id=info%3Asid%2Fko.wikipedia.org%3A%EB%B8%94%EB%9E%99%ED%99%80" class="Z3988"><span style="display:none;"> </span></span></span> </li> <li id="cite_note-79"><span class="mw-cite-backlink"><a href="#cite_ref-79">↑</a></span> <span class="reference-text"><cite id="CITEREFNemiroff1993" class="citation journal">Nemiroff, R. J. (1993). “Visual distortions near a neutron star and black hole”. <i>American Journal of Physics</i> <b>61</b> (7): 619. <a href="/wiki/ArXiv" title="ArXiv">arXiv</a>:<a rel="nofollow" class="external text" href="//arxiv.org/abs/astro-ph/9312003">astro-ph/9312003</a>. <a href="/wiki/%EB%B9%84%EB%B8%8C%EC%BD%94%EB%93%9C" title="비브코드">Bibcode</a>:<a rel="nofollow" class="external text" href="http://adsabs.harvard.edu/abs/1993AmJPh..61..619N">1993AmJPh..61..619N</a>. <a href="/wiki/%EB%94%94%EC%A7%80%ED%84%B8_%EA%B0%9D%EC%B2%B4_%EC%8B%9D%EB%B3%84%EC%9E%90" title="디지털 객체 식별자">doi</a>:<a rel="nofollow" class="external text" href="https://dx.doi.org/10.1119%2F1.17224">10.1119/1.17224</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=American+Journal+of+Physics&rft.atitle=Visual+distortions+near+a+neutron+star+and+black+hole&rft.volume=61&rft.issue=7&rft.pages=619&rft.date=1993&rft_id=info%3Aarxiv%2Fastro-ph%2F9312003&rft_id=info%3Adoi%2F10.1119%2F1.17224&rft_id=info%3Abibcode%2F1993AmJPh..61..619N&rft.aulast=Nemiroff&rft.aufirst=R.+J.&rfr_id=info%3Asid%2Fko.wikipedia.org%3A%EB%B8%94%EB%9E%99%ED%99%80" class="Z3988"><span style="display:none;"> </span></span></span> </li> <li id="cite_note-80"><span class="mw-cite-backlink"><a href="#cite_ref-80">↑</a></span> <span class="reference-text"><a href="#CITEREFCarroll2004">Carroll 2004</a>, Ch. 6.6</span> </li> <li id="cite_note-81"><span class="mw-cite-backlink"><a href="#cite_ref-81">↑</a></span> <span class="reference-text"><a href="#CITEREFCarroll2004">Carroll 2004</a>, Ch. 6.7</span> </li> <li id="cite_note-82"><span class="mw-cite-backlink"><a href="#cite_ref-82">↑</a></span> <span class="reference-text"><a href="#CITEREFThorneMisnerWheeler1973">Thorne, Misner & Wheeler 1973</a><span class="error harv-error" style="display: none; font-size:100%"> 괄호 없는 하버드 인용 error: 대상 없음: CITEREFThorneMisnerWheeler1973 (<a href="https://en.wikipedia.org/wiki/Category:Harv_and_Sfn_template_errors" class="extiw" title="en:Category:Harv and Sfn template errors">help</a>)</span></span> </li> <li id="cite_note-83"><span class="mw-cite-backlink"><a href="#cite_ref-83">↑</a></span> <span class="reference-text"><cite id="CITEREFEinstein1939" class="citation journal">Einstein, A. (1939). <a rel="nofollow" class="external text" href="https://archive.org/details/sim_annals-of-mathematics_1939-10_40_4/page/n196">“On A Stationary System With Spherical Symmetry Consisting of Many Gravitating Masses”</a>. <i>Annals of Mathematics</i> <b>40</b> (4): 922–936. <a href="/wiki/%EB%94%94%EC%A7%80%ED%84%B8_%EA%B0%9D%EC%B2%B4_%EC%8B%9D%EB%B3%84%EC%9E%90" title="디지털 객체 식별자">doi</a>:<a rel="nofollow" class="external text" href="https://dx.doi.org/10.2307%2F1968902">10.2307/1968902</a>. <a href="/wiki/JSTOR" title="JSTOR">JSTOR</a> <a rel="nofollow" class="external text" href="//www.jstor.org/stable/1968902">1968902</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Annals+of+Mathematics&rft.atitle=On+A+Stationary+System+With+Spherical+Symmetry+Consisting+of+Many+Gravitating+Masses&rft.volume=40&rft.issue=4&rft.pages=922-936&rft.date=1939&rft_id=info%3Adoi%2F10.2307%2F1968902&rft_id=%2F%2Fwww.jstor.org%2Fstable%2F1968902&rft.aulast=Einstein&rft.aufirst=A.&rft_id=https%3A%2F%2Farchive.org%2Fdetails%2Fsim_annals-of-mathematics_1939-10_40_4%2Fpage%2Fn196&rfr_id=info%3Asid%2Fko.wikipedia.org%3A%EB%B8%94%EB%9E%99%ED%99%80" class="Z3988"><span style="display:none;"> </span></span></span> </li> <li id="cite_note-84"><span class="mw-cite-backlink"><a href="#cite_ref-84">↑</a></span> <span class="reference-text"><cite class="citation book">Kerr, R. P. (2009). “The Kerr and Kerr-Schild metrics”. Wiltshire, D. L.; Visser, M.; Scott, S. M. <i>The Kerr Spacetime</i>. Cambridge University Press. <a href="/wiki/ArXiv" title="ArXiv">arXiv</a>:<a rel="nofollow" class="external text" href="//arxiv.org/abs/0706.1109">0706.1109</a>. <a href="/wiki/%EA%B5%AD%EC%A0%9C_%ED%91%9C%EC%A4%80_%EB%8F%84%EC%84%9C_%EB%B2%88%ED%98%B8" class="mw-redirect" title="국제 표준 도서 번호">ISBN</a> <a href="/wiki/%ED%8A%B9%EC%88%98:%EC%B1%85%EC%B0%BE%EA%B8%B0/978-0-521-88512-6" title="특수:책찾기/978-0-521-88512-6"><bdi>978-0-521-88512-6</bdi></a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=bookitem&rft.atitle=The+Kerr+and+Kerr-Schild+metrics&rft.btitle=The+Kerr+Spacetime&rft.pub=Cambridge+University+Press&rft.date=2009&rft_id=info%3Aarxiv%2F0706.1109&rft.isbn=978-0-521-88512-6&rft.aulast=Kerr&rft.aufirst=R.+P.&rfr_id=info%3Asid%2Fko.wikipedia.org%3A%EB%B8%94%EB%9E%99%ED%99%80" class="Z3988"><span style="display:none;"> </span></span></span> </li> <li id="cite_note-HawkingPenrose1970-85"><span class="mw-cite-backlink"><a href="#cite_ref-HawkingPenrose1970_85-0">↑</a></span> <span class="reference-text"><cite id="CITEREFHawkingPenrose1970" class="citation journal"><a href="/wiki/%EC%8A%A4%ED%8B%B0%EB%B8%90_%ED%98%B8%ED%82%B9" title="스티븐 호킹">Hawking, S. W.</a>; <a href="/wiki/%EB%A1%9C%EC%A0%80_%ED%8E%9C%EB%A1%9C%EC%A6%88" title="로저 펜로즈">Penrose, R.</a> (January 1970). “The Singularities of Gravitational Collapse and Cosmology”. <i><a href="/w/index.php?title=Proceedings_of_the_Royal_Society_A&action=edit&redlink=1" class="new" title="Proceedings of the Royal Society A (없는 문서)">Proceedings of the Royal Society A</a></i> <b>314</b> (1519): 529–548. <a href="/wiki/%EB%B9%84%EB%B8%8C%EC%BD%94%EB%93%9C" title="비브코드">Bibcode</a>:<a rel="nofollow" class="external text" href="http://adsabs.harvard.edu/abs/1970RSPSA.314..529H">1970RSPSA.314..529H</a>. <a href="/wiki/%EB%94%94%EC%A7%80%ED%84%B8_%EA%B0%9D%EC%B2%B4_%EC%8B%9D%EB%B3%84%EC%9E%90" title="디지털 객체 식별자">doi</a>:<a rel="nofollow" class="external text" href="https://dx.doi.org/10.1098%2Frspa.1970.0021">10.1098/rspa.1970.0021</a>. <a href="/wiki/JSTOR" title="JSTOR">JSTOR</a> <a rel="nofollow" class="external text" href="//www.jstor.org/stable/2416467">2416467</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Proceedings+of+the+Royal+Society+A&rft.atitle=The+Singularities+of+Gravitational+Collapse+and+Cosmology&rft.volume=314&rft.issue=1519&rft.pages=529-548&rft.date=1970-01&rft_id=%2F%2Fwww.jstor.org%2Fstable%2F2416467&rft_id=info%3Adoi%2F10.1098%2Frspa.1970.0021&rft_id=info%3Abibcode%2F1970RSPSA.314..529H&rft.aulast=Hawking&rft.aufirst=S.+W.&rft.au=Penrose%2C+R.&rfr_id=info%3Asid%2Fko.wikipedia.org%3A%EB%B8%94%EB%9E%99%ED%99%80" class="Z3988"><span style="display:none;"> </span></span></span> </li> <li id="cite_note-Carroll5.8-86"><span class="mw-cite-backlink">↑ <sup><a href="#cite_ref-Carroll5.8_86-0">가</a></sup> <sup><a href="#cite_ref-Carroll5.8_86-1">나</a></sup> <sup><a href="#cite_ref-Carroll5.8_86-2">다</a></sup></span> <span class="reference-text"><a href="#CITEREFCarroll2004">Carroll 2004</a>, Section 5.8</span> </li> <li id="cite_note-ReesVolonteri-87"><span class="mw-cite-backlink">↑ <sup><a href="#cite_ref-ReesVolonteri_87-0">가</a></sup> <sup><a href="#cite_ref-ReesVolonteri_87-1">나</a></sup> <sup><a href="#cite_ref-ReesVolonteri_87-2">다</a></sup></span> <span class="reference-text"><cite class="citation book">Rees, M. J.; Volonteri, M. (2007). “Massive black holes: formation and evolution”. Karas, V.; Matt, G. <a rel="nofollow" class="external text" href="https://archive.org/details/blackholesfromst0000inte"><i>Black Holes from Stars to Galaxies—Across the Range of Masses</i></a>. Cambridge University Press. <a rel="nofollow" class="external text" href="https://archive.org/details/blackholesfromst0000inte/page/n72">51</a>–58쪽. <a href="/wiki/ArXiv" title="ArXiv">arXiv</a>:<a rel="nofollow" class="external text" href="//arxiv.org/abs/astro-ph/0701512">astro-ph/0701512</a>. <a href="/wiki/%EA%B5%AD%EC%A0%9C_%ED%91%9C%EC%A4%80_%EB%8F%84%EC%84%9C_%EB%B2%88%ED%98%B8" class="mw-redirect" title="국제 표준 도서 번호">ISBN</a> <a href="/wiki/%ED%8A%B9%EC%88%98:%EC%B1%85%EC%B0%BE%EA%B8%B0/978-0-521-86347-6" title="특수:책찾기/978-0-521-86347-6"><bdi>978-0-521-86347-6</bdi></a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=bookitem&rft.atitle=Massive+black+holes%3A+formation+and+evolution&rft.btitle=Black+Holes+from+Stars+to+Galaxies%E2%80%94Across+the+Range+of+Masses&rft.pages=51-58&rft.pub=Cambridge+University+Press&rft.date=2007&rft_id=info%3Aarxiv%2Fastro-ph%2F0701512&rft.isbn=978-0-521-86347-6&rft.aulast=Rees&rft.aufirst=M.+J.&rft.au=Volonteri%2C+M.&rft_id=https%3A%2F%2Farchive.org%2Fdetails%2Fblackholesfromst0000inte&rfr_id=info%3Asid%2Fko.wikipedia.org%3A%EB%B8%94%EB%9E%99%ED%99%80" class="Z3988"><span style="display:none;"> </span></span></span> </li> <li id="cite_note-88"><span class="mw-cite-backlink"><a href="#cite_ref-88">↑</a></span> <span class="reference-text"><cite id="CITEREFPenrose2002" class="citation journal"><a href="/w/index.php?title=Roger_Penrose&action=edit&redlink=1" class="new" title="Roger Penrose (없는 문서)">Penrose, R.</a> (2002). <a rel="nofollow" class="external text" href="https://web.archive.org/web/20130526224126/http://www.imamu.edu.sa/Scientific_selections/abstracts/Physics/Gravitational%20Collapse%20The%20Role%20of%20General.pdf">“Gravitational Collapse: The Role of General Relativity”</a> <span style="font-size:85%;">(PDF)</span>. <i>General Relativity and Gravitation</i> <b>34</b> (7): 1141. <a href="/wiki/%EB%B9%84%EB%B8%8C%EC%BD%94%EB%93%9C" title="비브코드">Bibcode</a>:<a rel="nofollow" class="external text" href="http://adsabs.harvard.edu/abs/2002GReGr..34.1141P">2002GReGr..34.1141P</a>. <a href="/wiki/%EB%94%94%EC%A7%80%ED%84%B8_%EA%B0%9D%EC%B2%B4_%EC%8B%9D%EB%B3%84%EC%9E%90" title="디지털 객체 식별자">doi</a>:<a rel="nofollow" class="external text" href="https://dx.doi.org/10.1023%2FA%3A1016578408204">10.1023/A:1016578408204</a>. 2013년 5월 26일에 <a rel="nofollow" class="external text" href="http://www.imamu.edu.sa/Scientific_selections/abstracts/Physics/Gravitational%20Collapse%20The%20Role%20of%20General.pdf">원본 문서</a> <span style="font-size:85%;">(PDF)</span>에서 보존된 문서<span class="reference-accessdate">. 2012년 6월 23일에 확인함</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=General+Relativity+and+Gravitation&rft.atitle=Gravitational+Collapse%3A+The+Role+of+General+Relativity&rft.volume=34&rft.issue=7&rft.pages=1141&rft.date=2002&rft_id=info%3Adoi%2F10.1023%2FA%3A1016578408204&rft_id=info%3Abibcode%2F2002GReGr..34.1141P&rft.aulast=Penrose&rft.aufirst=R.&rft_id=http%3A%2F%2Fwww.imamu.edu.sa%2FScientific_selections%2Fabstracts%2FPhysics%2FGravitational%2520Collapse%2520The%2520Role%2520of%2520General.pdf&rfr_id=info%3Asid%2Fko.wikipedia.org%3A%EB%B8%94%EB%9E%99%ED%99%80" class="Z3988"><span style="display:none;"> </span></span></span> </li> <li id="cite_note-89"><span class="mw-cite-backlink"><a href="#cite_ref-89">↑</a></span> <span class="reference-text"><cite class="citation book">Carr, B. J. (2005). “Primordial Black Holes: Do They Exist and Are They Useful?”. Suzuki, H.; Yokoyama, J.; Suto, Y.; Sato, K. <i>Inflating Horizon of Particle Astrophysics and Cosmology</i>. Universal Academy Press. <a href="/wiki/ArXiv" title="ArXiv">arXiv</a>:<a rel="nofollow" class="external text" href="//arxiv.org/abs/astro-ph/0511743">astro-ph/0511743</a>. <a href="/wiki/%EA%B5%AD%EC%A0%9C_%ED%91%9C%EC%A4%80_%EB%8F%84%EC%84%9C_%EB%B2%88%ED%98%B8" class="mw-redirect" title="국제 표준 도서 번호">ISBN</a> <a href="/wiki/%ED%8A%B9%EC%88%98:%EC%B1%85%EC%B0%BE%EA%B8%B0/4-946443-94-0" title="특수:책찾기/4-946443-94-0"><bdi>4-946443-94-0</bdi></a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=bookitem&rft.atitle=Primordial+Black+Holes%3A+Do+They+Exist+and+Are+They+Useful%3F&rft.btitle=Inflating+Horizon+of+Particle+Astrophysics+and+Cosmology&rft.pub=Universal+Academy+Press&rft.date=2005&rft_id=info%3Aarxiv%2Fastro-ph%2F0511743&rft.isbn=4-946443-94-0&rft.aulast=Carr&rft.aufirst=B.+J.&rfr_id=info%3Asid%2Fko.wikipedia.org%3A%EB%B8%94%EB%9E%99%ED%99%80" class="Z3988"><span style="display:none;"> </span></span></span> </li> <li id="cite_note-90"><span class="mw-cite-backlink"><a href="#cite_ref-90">↑</a></span> <span class="reference-text"><cite id="CITEREFGiddingsThomas2002" class="citation journal">Giddings, S. B.; Thomas, S. (2002). “High energy colliders as black hole factories: The end of short distance physics”. <i>Physical Review D</i> <b>65</b> (5): 056010. <a href="/wiki/ArXiv" title="ArXiv">arXiv</a>:<a rel="nofollow" class="external text" href="//arxiv.org/abs/hep-ph/0106219">hep-ph/0106219</a>. <a href="/wiki/%EB%B9%84%EB%B8%8C%EC%BD%94%EB%93%9C" title="비브코드">Bibcode</a>:<a rel="nofollow" class="external text" href="http://adsabs.harvard.edu/abs/2002PhRvD..65e6010G">2002PhRvD..65e6010G</a>. <a href="/wiki/%EB%94%94%EC%A7%80%ED%84%B8_%EA%B0%9D%EC%B2%B4_%EC%8B%9D%EB%B3%84%EC%9E%90" title="디지털 객체 식별자">doi</a>:<a rel="nofollow" class="external text" href="https://dx.doi.org/10.1103%2FPhysRevD.65.056010">10.1103/PhysRevD.65.056010</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Physical+Review+D&rft.atitle=High+energy+colliders+as+black+hole+factories%3A+The+end+of+short+distance+physics&rft.volume=65&rft.issue=5&rft.pages=056010&rft.date=2002&rft_id=info%3Aarxiv%2Fhep-ph%2F0106219&rft_id=info%3Adoi%2F10.1103%2FPhysRevD.65.056010&rft_id=info%3Abibcode%2F2002PhRvD..65e6010G&rft.aulast=Giddings&rft.aufirst=S.+B.&rft.au=Thomas%2C+S.&rfr_id=info%3Asid%2Fko.wikipedia.org%3A%EB%B8%94%EB%9E%99%ED%99%80" class="Z3988"><span style="display:none;"> </span></span></span> </li> <li id="cite_note-91"><span class="mw-cite-backlink"><a href="#cite_ref-91">↑</a></span> <span class="reference-text"><cite id="CITEREFHarada2006" class="citation journal">Harada, T. (2006). “Is there a black hole minimum mass?”. <i>Physical Review D</i> <b>74</b> (8): 084004. <a href="/wiki/ArXiv" title="ArXiv">arXiv</a>:<a rel="nofollow" class="external text" href="//arxiv.org/abs/gr-qc/0609055">gr-qc/0609055</a>. <a href="/wiki/%EB%B9%84%EB%B8%8C%EC%BD%94%EB%93%9C" title="비브코드">Bibcode</a>:<a rel="nofollow" class="external text" href="http://adsabs.harvard.edu/abs/2006PhRvD..74h4004H">2006PhRvD..74h4004H</a>. <a href="/wiki/%EB%94%94%EC%A7%80%ED%84%B8_%EA%B0%9D%EC%B2%B4_%EC%8B%9D%EB%B3%84%EC%9E%90" title="디지털 객체 식별자">doi</a>:<a rel="nofollow" class="external text" href="https://dx.doi.org/10.1103%2FPhysRevD.74.084004">10.1103/PhysRevD.74.084004</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Physical+Review+D&rft.atitle=Is+there+a+black+hole+minimum+mass%3F&rft.volume=74&rft.issue=8&rft.pages=084004&rft.date=2006&rft_id=info%3Aarxiv%2Fgr-qc%2F0609055&rft_id=info%3Adoi%2F10.1103%2FPhysRevD.74.084004&rft_id=info%3Abibcode%2F2006PhRvD..74h4004H&rft.aulast=Harada&rft.aufirst=T.&rfr_id=info%3Asid%2Fko.wikipedia.org%3A%EB%B8%94%EB%9E%99%ED%99%80" class="Z3988"><span style="display:none;"> </span></span></span> </li> <li id="cite_note-92"><span class="mw-cite-backlink"><a href="#cite_ref-92">↑</a></span> <span class="reference-text"><cite id="CITEREFArkani–HamedDimopoulosDvali1998" class="citation journal">Arkani–Hamed, N.; Dimopoulos, S.; Dvali, G. (1998). “The hierarchy problem and new dimensions at a millimeter”. <i>Physics Letters B</i> <b>429</b> (3–4): 263. <a href="/wiki/ArXiv" title="ArXiv">arXiv</a>:<a rel="nofollow" class="external text" href="//arxiv.org/abs/hep-ph/9803315">hep-ph/9803315</a>. <a href="/wiki/%EB%B9%84%EB%B8%8C%EC%BD%94%EB%93%9C" title="비브코드">Bibcode</a>:<a rel="nofollow" class="external text" href="http://adsabs.harvard.edu/abs/1998PhLB..429..263A">1998PhLB..429..263A</a>. <a href="/wiki/%EB%94%94%EC%A7%80%ED%84%B8_%EA%B0%9D%EC%B2%B4_%EC%8B%9D%EB%B3%84%EC%9E%90" title="디지털 객체 식별자">doi</a>:<a rel="nofollow" class="external text" href="https://dx.doi.org/10.1016%2FS0370-2693%2898%2900466-3">10.1016/S0370-2693(98)00466-3</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Physics+Letters+B&rft.atitle=The+hierarchy+problem+and+new+dimensions+at+a+millimeter&rft.volume=429&rft.issue=3%E2%80%934&rft.pages=263&rft.date=1998&rft_id=info%3Aarxiv%2Fhep-ph%2F9803315&rft_id=info%3Adoi%2F10.1016%2FS0370-2693%2898%2900466-3&rft_id=info%3Abibcode%2F1998PhLB..429..263A&rft.aulast=Arkani%E2%80%93Hamed&rft.aufirst=N.&rft.au=Dimopoulos%2C+S.&rft.au=Dvali%2C+G.&rfr_id=info%3Asid%2Fko.wikipedia.org%3A%EB%B8%94%EB%9E%99%ED%99%80" class="Z3988"><span style="display:none;"> </span></span></span> </li> <li id="cite_note-LHCsafety-93"><span class="mw-cite-backlink"><a href="#cite_ref-LHCsafety_93-0">↑</a></span> <span class="reference-text"><cite class="citation web">LHC Safety Assessment Group. <a rel="nofollow" class="external text" href="http://lsag.web.cern.ch/lsag/LSAG-Report.pdf">“Review of the Safety of LHC Collisions”</a> <span style="font-size:85%;">(PDF)</span>. CERN.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=Review+of+the+Safety+of+LHC+Collisions&rft.pub=CERN&rft.au=LHC+Safety+Assessment+Group&rft_id=http%3A%2F%2Flsag.web.cern.ch%2Flsag%2FLSAG-Report.pdf&rfr_id=info%3Asid%2Fko.wikipedia.org%3A%EB%B8%94%EB%9E%99%ED%99%80" class="Z3988"><span style="display:none;"> </span></span></span> </li> <li id="cite_note-94"><span class="mw-cite-backlink"><a href="#cite_ref-94">↑</a></span> <span class="reference-text"><cite id="CITEREFCavaglià2010" class="citation journal">Cavaglià, M. (2010). <a rel="nofollow" class="external text" href="https://web.archive.org/web/20130508085759/http://www.einstein-online.info/spotlights/accelerators_bh">“Particle accelerators as black hole factories?”</a>. <i>Einstein-Online</i> (<a href="/w/index.php?title=Max_Planck_Institute_for_Gravitational_Physics&action=edit&redlink=1" class="new" title="Max Planck Institute for Gravitational Physics (없는 문서)">Max Planck Institute for Gravitational Physics (Albert Einstein Institute)</a>) <b>4</b>: 1010. 2013년 5월 8일에 <a rel="nofollow" class="external text" href="http://www.einstein-online.info/spotlights/accelerators_bh/">원본 문서</a>에서 보존된 문서<span class="reference-accessdate">. 2016년 2월 29일에 확인함</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Einstein-Online&rft.atitle=Particle+accelerators+as+black+hole+factories%3F&rft.volume=4&rft.pages=1010&rft.date=2010&rft.aulast=Cavagli%C3%A0&rft.aufirst=M.&rft_id=http%3A%2F%2Fwww.einstein-online.info%2Fspotlights%2Faccelerators_bh%2F&rfr_id=info%3Asid%2Fko.wikipedia.org%3A%EB%B8%94%EB%9E%99%ED%99%80" class="Z3988"><span style="display:none;"> </span></span></span> </li> <li id="cite_note-95"><span class="mw-cite-backlink"><a href="#cite_ref-95">↑</a></span> <span class="reference-text"><cite id="CITEREFVesperiniMcMilland'Ercoled'Antona2010" class="citation journal">Vesperini, E.; McMillan, S. L. W.; d'Ercole, A.; 외. (2010). “Intermediate-Mass Black Holes in Early Globular Clusters”. <i>The Astrophysical Journal Letters</i> <b>713</b> (1): L41–L44. <a href="/wiki/ArXiv" title="ArXiv">arXiv</a>:<a rel="nofollow" class="external text" href="//arxiv.org/abs/1003.3470">1003.3470</a>. <a href="/wiki/%EB%B9%84%EB%B8%8C%EC%BD%94%EB%93%9C" title="비브코드">Bibcode</a>:<a rel="nofollow" class="external text" href="http://adsabs.harvard.edu/abs/2010ApJ...713L..41V">2010ApJ...713L..41V</a>. <a href="/wiki/%EB%94%94%EC%A7%80%ED%84%B8_%EA%B0%9D%EC%B2%B4_%EC%8B%9D%EB%B3%84%EC%9E%90" title="디지털 객체 식별자">doi</a>:<a rel="nofollow" class="external text" href="https://dx.doi.org/10.1088%2F2041-8205%2F713%2F1%2FL41">10.1088/2041-8205/713/1/L41</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=The+Astrophysical+Journal+Letters&rft.atitle=Intermediate-Mass+Black+Holes+in+Early+Globular+Clusters&rft.volume=713&rft.issue=1&rft.pages=L41-L44&rft.date=2010&rft_id=info%3Aarxiv%2F1003.3470&rft_id=info%3Adoi%2F10.1088%2F2041-8205%2F713%2F1%2FL41&rft_id=info%3Abibcode%2F2010ApJ...713L..41V&rft.aulast=Vesperini&rft.aufirst=E.&rft.au=McMillan%2C+S.+L.+W.&rft.au=d%27Ercole%2C+A.&rft.au=d%27Antona%2C+F.&rfr_id=info%3Asid%2Fko.wikipedia.org%3A%EB%B8%94%EB%9E%99%ED%99%80" class="Z3988"><span style="display:none;"> </span></span></span> </li> <li id="cite_note-96"><span class="mw-cite-backlink"><a href="#cite_ref-96">↑</a></span> <span class="reference-text"><cite id="CITEREFZwartBaumgardtHutMakino2004" class="citation journal">Zwart, S. F. P.; Baumgardt, H.; Hut, P.; 외. (2004). “Formation of massive black holes through runaway collisions in dense young star clusters”. <i>Nature</i> <b>428</b> (6984): 724–6. <a href="/wiki/ArXiv" title="ArXiv">arXiv</a>:<a rel="nofollow" class="external text" href="//arxiv.org/abs/astro-ph/0402622">astro-ph/0402622</a>. <a href="/wiki/%EB%B9%84%EB%B8%8C%EC%BD%94%EB%93%9C" title="비브코드">Bibcode</a>:<a rel="nofollow" class="external text" href="http://adsabs.harvard.edu/abs/2004Natur.428..724P">2004Natur.428..724P</a>. <a href="/wiki/%EB%94%94%EC%A7%80%ED%84%B8_%EA%B0%9D%EC%B2%B4_%EC%8B%9D%EB%B3%84%EC%9E%90" title="디지털 객체 식별자">doi</a>:<a rel="nofollow" class="external text" href="https://dx.doi.org/10.1038%2Fnature02448">10.1038/nature02448</a>. <a href="/wiki/%ED%8E%8D%EB%A9%94%EB%93%9C" title="펍메드">PMID</a> <a rel="nofollow" class="external text" href="//www.ncbi.nlm.nih.gov/pubmed/15085124">15085124</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Nature&rft.atitle=Formation+of+massive+black+holes+through+runaway+collisions+in+dense+young+star+clusters&rft.volume=428&rft.issue=6984&rft.pages=724-6&rft.date=2004&rft_id=info%3Aarxiv%2Fastro-ph%2F0402622&rft_id=info%3Apmid%2F15085124&rft_id=info%3Adoi%2F10.1038%2Fnature02448&rft_id=info%3Abibcode%2F2004Natur.428..724P&rft.aulast=Zwart&rft.aufirst=S.+F.+P.&rft.au=Baumgardt%2C+H.&rft.au=Hut%2C+P.&rft.au=Makino%2C+J.&rft.au=McMillan%2C+S.+L.+W.&rfr_id=info%3Asid%2Fko.wikipedia.org%3A%EB%B8%94%EB%9E%99%ED%99%80" class="Z3988"><span style="display:none;"> </span></span></span> </li> <li id="cite_note-97"><span class="mw-cite-backlink"><a href="#cite_ref-97">↑</a></span> <span class="reference-text"><cite id="CITEREFO'LearyRasioFregeauIvanova2006" class="citation journal">O'Leary, R. M.; Rasio, F. A.; Fregeau, J. M.; 외. (2006). “Binary Mergers and Growth of Black Holes in Dense Star Clusters”. <i>The Astrophysical Journal</i> <b>637</b> (2): 937. <a href="/wiki/ArXiv" title="ArXiv">arXiv</a>:<a rel="nofollow" class="external text" href="//arxiv.org/abs/astro-ph/0508224">astro-ph/0508224</a>. <a href="/wiki/%EB%B9%84%EB%B8%8C%EC%BD%94%EB%93%9C" title="비브코드">Bibcode</a>:<a rel="nofollow" class="external text" href="http://adsabs.harvard.edu/abs/2006ApJ...637..937O">2006ApJ...637..937O</a>. <a href="/wiki/%EB%94%94%EC%A7%80%ED%84%B8_%EA%B0%9D%EC%B2%B4_%EC%8B%9D%EB%B3%84%EC%9E%90" title="디지털 객체 식별자">doi</a>:<a rel="nofollow" class="external text" href="https://dx.doi.org/10.1086%2F498446">10.1086/498446</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=The+Astrophysical+Journal&rft.atitle=Binary+Mergers+and+Growth+of+Black+Holes+in+Dense+Star+Clusters&rft.volume=637&rft.issue=2&rft.pages=937&rft.date=2006&rft_id=info%3Aarxiv%2Fastro-ph%2F0508224&rft_id=info%3Adoi%2F10.1086%2F498446&rft_id=info%3Abibcode%2F2006ApJ...637..937O&rft.aulast=O%27Leary&rft.aufirst=R.+M.&rft.au=Rasio%2C+F.+A.&rft.au=Fregeau%2C+J.+M.&rft.au=Ivanova%2C+N.&rft.au=o%E2%80%99Shaughnessy%2C+R.&rfr_id=info%3Asid%2Fko.wikipedia.org%3A%EB%B8%94%EB%9E%99%ED%99%80" class="Z3988"><span style="display:none;"> </span></span></span> </li> <li id="cite_note-98"><span class="mw-cite-backlink"><a href="#cite_ref-98">↑</a></span> <span class="reference-text"><cite id="CITEREFPage2005" class="citation journal">Page, D. N. (2005). “Hawking radiation and black hole thermodynamics”. <i>New Journal of Physics</i> <b>7</b>: 203. <a href="/wiki/ArXiv" title="ArXiv">arXiv</a>:<a rel="nofollow" class="external text" href="//arxiv.org/abs/hep-th/0409024">hep-th/0409024</a>. <a href="/wiki/%EB%B9%84%EB%B8%8C%EC%BD%94%EB%93%9C" title="비브코드">Bibcode</a>:<a rel="nofollow" class="external text" href="http://adsabs.harvard.edu/abs/2005NJPh....7..203P">2005NJPh....7..203P</a>. <a href="/wiki/%EB%94%94%EC%A7%80%ED%84%B8_%EA%B0%9D%EC%B2%B4_%EC%8B%9D%EB%B3%84%EC%9E%90" title="디지털 객체 식별자">doi</a>:<a rel="nofollow" class="external text" href="https://dx.doi.org/10.1088%2F1367-2630%2F7%2F1%2F203">10.1088/1367-2630/7/1/203</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=New+Journal+of+Physics&rft.atitle=Hawking+radiation+and+black+hole+thermodynamics&rft.volume=7&rft.pages=203&rft.date=2005&rft_id=info%3Aarxiv%2Fhep-th%2F0409024&rft_id=info%3Adoi%2F10.1088%2F1367-2630%2F7%2F1%2F203&rft_id=info%3Abibcode%2F2005NJPh....7..203P&rft.aulast=Page&rft.aufirst=D.+N.&rfr_id=info%3Asid%2Fko.wikipedia.org%3A%EB%B8%94%EB%9E%99%ED%99%80" class="Z3988"><span style="display:none;"> </span></span></span> </li> <li id="cite_note-99"><span class="mw-cite-backlink"><a href="#cite_ref-99">↑</a></span> <span class="reference-text"><a href="#CITEREFCarroll2004">Carroll 2004</a>, Ch. 9.6</span> </li> <li id="cite_note-100"><span class="mw-cite-backlink"><a href="#cite_ref-100">↑</a></span> <span class="reference-text"><cite class="citation web"><a rel="nofollow" class="external text" href="https://www.webcitation.org/68e5unXyl?url=http://www.einstein-online.info/elementary/quantum/evaporating_bh/?set_language=en">“Evaporating black holes?”</a>. 《Einstein online》. Max Planck Institute for Gravitational Physics. 2010. 2012년 6월 23일에 <a rel="nofollow" class="external text" href="http://www.einstein-online.info/elementary/quantum/evaporating_bh/?set_language=en">원본 문서</a>에서 보존된 문서<span class="reference-accessdate">. 2010년 12월 12일에 확인함</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=Einstein+online&rft.atitle=Evaporating+black+holes%3F&rft.date=2010&rft_id=http%3A%2F%2Fwww.einstein-online.info%2Felementary%2Fquantum%2Fevaporating_bh%2F%3Fset_language%3Den&rfr_id=info%3Asid%2Fko.wikipedia.org%3A%EB%B8%94%EB%9E%99%ED%99%80" class="Z3988"><span style="display:none;"> </span></span></span> </li> <li id="cite_note-101"><span class="mw-cite-backlink"><a href="#cite_ref-101">↑</a></span> <span class="reference-text"><cite id="CITEREFGiddingsMangano2008" class="citation journal">Giddings, S. B.; Mangano, M. L. (2008). “Astrophysical implications of hypothetical stable TeV-scale black holes”. <i>Physical Review D</i> <b>78</b> (3): 035009. <a href="/wiki/ArXiv" title="ArXiv">arXiv</a>:<a rel="nofollow" class="external text" href="//arxiv.org/abs/0806.3381">0806.3381</a>. <a href="/wiki/%EB%B9%84%EB%B8%8C%EC%BD%94%EB%93%9C" title="비브코드">Bibcode</a>:<a rel="nofollow" class="external text" href="http://adsabs.harvard.edu/abs/2008PhRvD..78c5009G">2008PhRvD..78c5009G</a>. <a href="/wiki/%EB%94%94%EC%A7%80%ED%84%B8_%EA%B0%9D%EC%B2%B4_%EC%8B%9D%EB%B3%84%EC%9E%90" title="디지털 객체 식별자">doi</a>:<a rel="nofollow" class="external text" href="https://dx.doi.org/10.1103%2FPhysRevD.78.035009">10.1103/PhysRevD.78.035009</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Physical+Review+D&rft.atitle=Astrophysical+implications+of+hypothetical+stable+TeV-scale+black+holes&rft.volume=78&rft.issue=3&rft.pages=035009&rft.date=2008&rft_id=info%3Aarxiv%2F0806.3381&rft_id=info%3Adoi%2F10.1103%2FPhysRevD.78.035009&rft_id=info%3Abibcode%2F2008PhRvD..78c5009G&rft.aulast=Giddings&rft.aufirst=S.+B.&rft.au=Mangano%2C+M.+L.&rfr_id=info%3Asid%2Fko.wikipedia.org%3A%EB%B8%94%EB%9E%99%ED%99%80" class="Z3988"><span style="display:none;"> </span></span></span> </li> <li id="cite_note-102"><span class="mw-cite-backlink"><a href="#cite_ref-102">↑</a></span> <span class="reference-text"><cite id="CITEREFPeskin2008" class="citation journal">Peskin, M. E. (2008). <a rel="nofollow" class="external text" href="https://archive.org/details/sim_canadian-journal-of-physics_2008-01_86_1/page/n21">“The end of the world at the Large Hadron Collider?”</a>. 《Physics》 <b>1</b>: 14. <a href="/wiki/%EB%B9%84%EB%B8%8C%EC%BD%94%EB%93%9C" title="비브코드">Bibcode</a>:<a rel="nofollow" class="external text" href="http://adsabs.harvard.edu/abs/2008PhyOJ...1...14P">2008PhyOJ...1...14P</a>. <a href="/wiki/%EB%94%94%EC%A7%80%ED%84%B8_%EA%B0%9D%EC%B2%B4_%EC%8B%9D%EB%B3%84%EC%9E%90" title="디지털 객체 식별자">doi</a>:<a rel="nofollow" class="external text" href="https://dx.doi.org/10.1103%2FPhysics.1.14">10.1103/Physics.1.14</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Physics&rft.atitle=The+end+of+the+world+at+the+Large+Hadron+Collider%3F&rft.volume=1&rft.pages=14&rft.date=2008&rft_id=info%3Adoi%2F10.1103%2FPhysics.1.14&rft_id=info%3Abibcode%2F2008PhyOJ...1...14P&rft.aulast=Peskin&rft.aufirst=M.+E.&rft_id=https%3A%2F%2Farchive.org%2Fdetails%2Fsim_canadian-journal-of-physics_2008-01_86_1%2Fpage%2Fn21&rfr_id=info%3Asid%2Fko.wikipedia.org%3A%EB%B8%94%EB%9E%99%ED%99%80" class="Z3988"><span style="display:none;"> </span></span></span> </li> <li id="cite_note-103"><span class="mw-cite-backlink"><a href="#cite_ref-103">↑</a></span> <span class="reference-text"><cite id="CITEREFFichtelBertschDingusEsposito1994" class="citation journal">Fichtel, C. E.; Bertsch, D. L.; Dingus, B. L.; 외. (1994). “Search of the energetic gamma-ray experiment telescope (EGRET) data for high-energy gamma-ray microsecond bursts”. <i>Astrophysical Journal</i> <b>434</b> (2): 557–559. <a href="/wiki/%EB%B9%84%EB%B8%8C%EC%BD%94%EB%93%9C" title="비브코드">Bibcode</a>:<a rel="nofollow" class="external text" href="http://adsabs.harvard.edu/abs/1994ApJ...434..557F">1994ApJ...434..557F</a>. <a href="/wiki/%EB%94%94%EC%A7%80%ED%84%B8_%EA%B0%9D%EC%B2%B4_%EC%8B%9D%EB%B3%84%EC%9E%90" title="디지털 객체 식별자">doi</a>:<a rel="nofollow" class="external text" href="https://dx.doi.org/10.1086%2F174758">10.1086/174758</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Astrophysical+Journal&rft.atitle=Search+of+the+energetic+gamma-ray+experiment+telescope+%28EGRET%29+data+for+high-energy+gamma-ray+microsecond+bursts&rft.volume=434&rft.issue=2&rft.pages=557-559&rft.date=1994&rft_id=info%3Adoi%2F10.1086%2F174758&rft_id=info%3Abibcode%2F1994ApJ...434..557F&rft.aulast=Fichtel&rft.aufirst=C.+E.&rft.au=Bertsch%2C+D.+L.&rft.au=Dingus%2C+B.+L.&rft.au=Esposito%2C+J.+A.&rft.au=Hartman%2C+R.+C.&rft.au=Hunter%2C+S.+D.&rft.au=Kanbach%2C+G.&rft.au=Kniffen%2C+D.+A.&rft.au=Lin%2C+Y.+C.&rft.au=Mattox%2C+J.+R.&rft.au=Mayer-Hasselwander%2C+H.+A.&rft.au=McDonald%2C+L.&rft.au=Michelson%2C+P.+F.&rft.au=Von+Montigny%2C+C.&rft.au=Nolan%2C+P.+L.&rft.au=Schneid%2C+E.+J.&rft.au=Sreekumar%2C+P.&rft.au=Thompson%2C+D.+J.&rfr_id=info%3Asid%2Fko.wikipedia.org%3A%EB%B8%94%EB%9E%99%ED%99%80" class="Z3988"><span style="display:none;"> </span></span></span> </li> <li id="cite_note-104"><span class="mw-cite-backlink"><a href="#cite_ref-104">↑</a></span> <span class="reference-text"><cite class="citation web">Naeye, R. <a rel="nofollow" class="external text" href="https://web.archive.org/web/20080831045232/http://www.nasa.gov/mission_pages/GLAST/science/testing_fundamental_physics.html">“Testing Fundamental Physics”</a>. NASA. 2008년 8월 31일에 <a rel="nofollow" class="external text" href="https://www.nasa.gov/mission_pages/GLAST/science/testing_fundamental_physics.html">원본 문서</a>에서 보존된 문서<span class="reference-accessdate">. 2008년 9월 16일에 확인함</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=Testing+Fundamental+Physics&rft.pub=NASA&rft.aulast=Naeye&rft.aufirst=R.&rft_id=http%3A%2F%2Fwww.nasa.gov%2Fmission_pages%2FGLAST%2Fscience%2Ftesting_fundamental_physics.html&rfr_id=info%3Asid%2Fko.wikipedia.org%3A%EB%B8%94%EB%9E%99%ED%99%80" class="Z3988"><span style="display:none;"> </span></span></span> </li> <li id="cite_note-105"><span class="mw-cite-backlink"><a href="#cite_ref-105">↑</a></span> <span class="reference-text"><cite class="citation news"><a rel="nofollow" class="external text" href="http://www.eso.org/public/news/eso1332/">“Ripped Apart by a Black Hole”</a>. 《ESO Press Release》<span class="reference-accessdate">. 2013년 7월 19일에 확인함</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=ESO+Press+Release&rft.atitle=Ripped+Apart+by+a+Black+Hole&rft_id=http%3A%2F%2Fwww.eso.org%2Fpublic%2Fnews%2Feso1332%2F&rfr_id=info%3Asid%2Fko.wikipedia.org%3A%EB%B8%94%EB%9E%99%ED%99%80" class="Z3988"><span style="display:none;"> </span></span></span> </li> <li id="cite_note-106"><span class="mw-cite-backlink"><a href="#cite_ref-106">↑</a></span> <span class="reference-text"><cite class="citation news">O'Neill, Ian (2015년 7월 2일). <a rel="nofollow" class="external text" href="https://web.archive.org/web/20160517074939/http://news.discovery.com/space/astronomy/event-horizon-telescope-will-probe-spacetimes-mysteries-150702.htm">“Event Horizon Telescope Will Probe Spacetime's Mysteries”</a>. 《Discovery News》. 2016년 5월 17일에 <a rel="nofollow" class="external text" href="http://news.discovery.com/space/astronomy/event-horizon-telescope-will-probe-spacetimes-mysteries-150702.htm">원본 문서</a>에서 보존된 문서<span class="reference-accessdate">. 2015년 12월 6일에 확인함</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Discovery+News&rft.atitle=Event+Horizon+Telescope+Will+Probe+Spacetime%27s+Mysteries&rft.date=2015-07-02&rft.aulast=O%27Neill&rft.aufirst=Ian&rft_id=http%3A%2F%2Fnews.discovery.com%2Fspace%2Fastronomy%2Fevent-horizon-telescope-will-probe-spacetimes-mysteries-150702.htm&rfr_id=info%3Asid%2Fko.wikipedia.org%3A%EB%B8%94%EB%9E%99%ED%99%80" class="Z3988"><span style="display:none;"> </span></span></span> </li> <li id="cite_note-107"><span class="mw-cite-backlink"><a href="#cite_ref-107">↑</a></span> <span class="reference-text"><cite class="citation journal">Johnson, M. D.; Fish, V. L.; Doeleman, S. S.; Marrone, D. P.; Plambeck, R. L.; Wardle, J. F. C.; Akiyama, K.; Asada, K.; Beaudoin, C. (2015년 12월 4일). <a rel="nofollow" class="external text" href="http://www.sciencemag.org/content/350/6265/1242">“Resolved magnetic-field structure and variability near the event horizon of Sagittarius A*”</a>. 《Science》 (영어) <b>350</b> (6265): 1242–1245. <a href="/wiki/ArXiv" title="ArXiv">arXiv</a>:<a rel="nofollow" class="external text" href="//arxiv.org/abs/1512.01220">1512.01220</a>. <a href="/wiki/%EB%B9%84%EB%B8%8C%EC%BD%94%EB%93%9C" title="비브코드">Bibcode</a>:<a rel="nofollow" class="external text" href="http://adsabs.harvard.edu/abs/2015Sci...350.1242J">2015Sci...350.1242J</a>. <a href="/wiki/%EB%94%94%EC%A7%80%ED%84%B8_%EA%B0%9D%EC%B2%B4_%EC%8B%9D%EB%B3%84%EC%9E%90" title="디지털 객체 식별자">doi</a>:<a rel="nofollow" class="external text" href="https://dx.doi.org/10.1126%2Fscience.aac7087">10.1126/science.aac7087</a>. <a href="/wiki/%EA%B5%AD%EC%A0%9C_%ED%91%9C%EC%A4%80_%EC%9D%BC%EB%A0%A8_%EB%B2%88%ED%98%B8" class="mw-redirect" title="국제 표준 일련 번호">ISSN</a> <a rel="nofollow" class="external text" href="//www.worldcat.org/issn/0036-8075">0036-8075</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Science&rft.atitle=Resolved+magnetic-field+structure+and+variability+near+the+event+horizon+of+Sagittarius+A%2A&rft.volume=350&rft.issue=6265&rft.pages=1242-1245&rft.date=2015-12-04&rft_id=info%3Aarxiv%2F1512.01220&rft.issn=0036-8075&rft_id=info%3Adoi%2F10.1126%2Fscience.aac7087&rft_id=info%3Abibcode%2F2015Sci...350.1242J&rft.aulast=Johnson&rft.aufirst=M.+D.&rft.au=Fish%2C+V.+L.&rft.au=Doeleman%2C+S.+S.&rft.au=Marrone%2C+D.+P.&rft.au=Plambeck%2C+R.+L.&rft.au=Wardle%2C+J.+F.+C.&rft.au=Akiyama%2C+K.&rft.au=Asada%2C+K.&rft.au=Beaudoin%2C+C.&rft_id=http%3A%2F%2Fwww.sciencemag.org%2Fcontent%2F350%2F6265%2F1242&rfr_id=info%3Asid%2Fko.wikipedia.org%3A%EB%B8%94%EB%9E%99%ED%99%80" class="Z3988"><span style="display:none;"> </span></span></span> </li> <li id="cite_note-108"><span class="mw-cite-backlink"><a href="#cite_ref-108">↑</a></span> <span class="reference-text"><cite class="citation web"><a rel="nofollow" class="external text" href="https://www.cfa.harvard.edu/news/2015-28">“Event Horizon Telescope Reveals Magnetic Fields at Milky Way's Central Black Hole”</a>. 《cfa.harvard.edu》. 2015년 12월 3일<span class="reference-accessdate">. 2016년 1월 12일에 확인함</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=cfa.harvard.edu&rft.atitle=Event+Horizon+Telescope+Reveals+Magnetic+Fields+at+Milky+Way%27s+Central+Black+Hole&rft.date=2015-12-03&rft_id=https%3A%2F%2Fwww.cfa.harvard.edu%2Fnews%2F2015-28&rfr_id=info%3Asid%2Fko.wikipedia.org%3A%EB%B8%94%EB%9E%99%ED%99%80" class="Z3988"><span style="display:none;"> </span></span></span> </li> <li id="cite_note-Nature_11Feb16-109"><span class="mw-cite-backlink"><a href="#cite_ref-Nature_11Feb16_109-0">↑</a></span> <span class="reference-text"><cite class="citation journal">Castelvecchi, Davide; Witze, Witze (2016년 2월 11일). <a rel="nofollow" class="external text" href="http://www.nature.com/news/einstein-s-gravitational-waves-found-at-last-1.19361">“Einstein's gravitational waves found at last”</a>. 《Nature News》. <a href="/wiki/%EB%94%94%EC%A7%80%ED%84%B8_%EA%B0%9D%EC%B2%B4_%EC%8B%9D%EB%B3%84%EC%9E%90" title="디지털 객체 식별자">doi</a>:<a rel="nofollow" class="external text" href="https://dx.doi.org/10.1038%2Fnature.2016.19361">10.1038/nature.2016.19361</a><span class="reference-accessdate">. 2016년 2월 11일에 확인함</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Nature+News&rft.atitle=Einstein%27s+gravitational+waves+found+at+last&rft.date=2016-02-11&rft_id=info%3Adoi%2F10.1038%2Fnature.2016.19361&rft.aulast=Castelvecchi&rft.aufirst=Davide&rft.au=Witze%2C+Witze&rft_id=http%3A%2F%2Fwww.nature.com%2Fnews%2Feinstein-s-gravitational-waves-found-at-last-1.19361&rfr_id=info%3Asid%2Fko.wikipedia.org%3A%EB%B8%94%EB%9E%99%ED%99%80" class="Z3988"><span style="display:none;"> </span></span></span> </li> <li id="cite_note-110"><span class="mw-cite-backlink"><a href="#cite_ref-110">↑</a></span> <span class="reference-text"><cite class="citation web"><a rel="nofollow" class="external text" href="https://web.archive.org/web/20160403025800/http://www.ligo.org/news/detection-press-release.pdf">“Gravitational waves detected 100 years after Einstein's prediction”</a> <span style="font-size:85%;">(PDF)</span>. LIGO. 2016년 2월 11일. 2016년 4월 3일에 <a rel="nofollow" class="external text" href="http://www.ligo.org/news/detection-press-release.pdf">원본 문서</a> <span style="font-size:85%;">(PDF)</span>에서 보존된 문서<span class="reference-accessdate">. 2016년 2월 11일에 확인함</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=Gravitational+waves+detected+100+years+after+Einstein%27s+prediction&rft.pub=LIGO&rft.date=2016-02-11&rft_id=http%3A%2F%2Fwww.ligo.org%2Fnews%2Fdetection-press-release.pdf&rfr_id=info%3Asid%2Fko.wikipedia.org%3A%EB%B8%94%EB%9E%99%ED%99%80" class="Z3988"><span style="display:none;"> </span></span></span> </li> <li id="cite_note-Properties-111"><span class="mw-cite-backlink"><a href="#cite_ref-Properties_111-0">↑</a></span> <span class="reference-text"><cite class="citation journal">Abbott, Benjamin P.; 외. (LIGO Scientific Collaboration and Virgo Collaboration) (2016년 2월 11일). “Properties of the binary black hole merger GW150914”. <a href="/wiki/ArXiv" title="ArXiv">arXiv</a>:<a rel="nofollow" class="external text" href="//arxiv.org/abs/1602.03840">1602.03840</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.atitle=Properties+of+the+binary+black+hole+merger+GW150914&rft.date=2016-02-11&rft_id=info%3Aarxiv%2F1602.03840&rft.aulast=Abbott&rft.aufirst=Benjamin+P.&rfr_id=info%3Asid%2Fko.wikipedia.org%3A%EB%B8%94%EB%9E%99%ED%99%80" class="Z3988"><span style="display:none;"> </span></span></span> </li> <li id="cite_note-NYT-20160211-db-112"><span class="mw-cite-backlink"><a href="#cite_ref-NYT-20160211-db_112-0">↑</a></span> <span class="reference-text"><cite class="citation news"><a href="/w/index.php?title=Dennis_Overbye&action=edit&redlink=1" class="new" title="Dennis Overbye (없는 문서)">Overbye, Dennis</a> (2016년 2월 11일). <a rel="nofollow" class="external text" href="http://www.nytimes.com/2016/02/12/science/ligo-gravitational-waves-black-holes-einstein.html">“Physicists Detect Gravitational Waves, Proving Einstein Right”</a>. 《<a href="/wiki/New_York_Times" class="mw-redirect" title="New York Times">New York Times</a>》<span class="reference-accessdate">. 2016년 2월 11일에 확인함</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=New+York+Times&rft.atitle=Physicists+Detect+Gravitational+Waves%2C+Proving+Einstein+Right&rft.date=2016-02-11&rft.aulast=Overbye&rft.aufirst=Dennis&rft_id=http%3A%2F%2Fwww.nytimes.com%2F2016%2F02%2F12%2Fscience%2Fligo-gravitational-waves-black-holes-einstein.html&rfr_id=info%3Asid%2Fko.wikipedia.org%3A%EB%B8%94%EB%9E%99%ED%99%80" class="Z3988"><span style="display:none;"> </span></span></span> </li> <li id="cite_note-NYT-20160211-lk-113"><span class="mw-cite-backlink"><a href="#cite_ref-NYT-20160211-lk_113-0">↑</a></span> <span class="reference-text"><cite class="citation news"><a href="/w/index.php?title=Lawrence_Krauss&action=edit&redlink=1" class="new" title="Lawrence Krauss (없는 문서)">Krauss, Lawrence</a> (2016년 2월 11일). <a rel="nofollow" class="external text" href="http://www.nytimes.com/2016/02/14/opinion/sunday/finding-beauty-in-the-darkness.html">“Finding Beauty in the Darkness”</a>. 《<a href="/wiki/New_York_Times" class="mw-redirect" title="New York Times">New York Times</a>》<span class="reference-accessdate">. 2016년 2월 11일에 확인함</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=New+York+Times&rft.atitle=Finding+Beauty+in+the+Darkness&rft.date=2016-02-11&rft.aulast=Krauss&rft.aufirst=Lawrence&rft_id=http%3A%2F%2Fwww.nytimes.com%2F2016%2F02%2F14%2Fopinion%2Fsunday%2Ffinding-beauty-in-the-darkness.html&rfr_id=info%3Asid%2Fko.wikipedia.org%3A%EB%B8%94%EB%9E%99%ED%99%80" class="Z3988"><span style="display:none;"> </span></span></span> </li> <li id="cite_note-114"><span class="mw-cite-backlink"><a href="#cite_ref-114">↑</a></span> <span class="reference-text"><a rel="nofollow" class="external text" href="https://www.bbc.co.uk/news/science-environment-35524440">Einstein's gravitational waves 'seen' from black holes</a></span> </li> <li id="cite_note-:0-115"><span class="mw-cite-backlink">↑ <sup><a href="#cite_ref-:0_115-0">가</a></sup> <sup><a href="#cite_ref-:0_115-1">나</a></sup></span> <span class="reference-text"><cite class="citation journal">Abbott, B. P.; Abbott, R.; Abbott, T. D.; Abernathy, M. R.; Acernese, F.; Ackley, K.; Adams, C.; Adams, T.; Addesso, P. (2016년 2월 11일). <a rel="nofollow" class="external text" href="http://link.aps.org/doi/10.1103/PhysRevLett.116.061102">“Observation of Gravitational Waves from a Binary Black Hole Merger”</a>. 《Physical Review Letters》 (영어) <b>116</b> (6). <a href="/wiki/%EB%94%94%EC%A7%80%ED%84%B8_%EA%B0%9D%EC%B2%B4_%EC%8B%9D%EB%B3%84%EC%9E%90" title="디지털 객체 식별자">doi</a>:<a rel="nofollow" class="external text" href="https://dx.doi.org/10.1103%2FPhysRevLett.116.061102">10.1103/PhysRevLett.116.061102</a>. <a href="/wiki/%EA%B5%AD%EC%A0%9C_%ED%91%9C%EC%A4%80_%EC%9D%BC%EB%A0%A8_%EB%B2%88%ED%98%B8" class="mw-redirect" title="국제 표준 일련 번호">ISSN</a> <a rel="nofollow" class="external text" href="//www.worldcat.org/issn/0031-9007">0031-9007</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Physical+Review+Letters&rft.atitle=Observation+of+Gravitational+Waves+from+a+Binary+Black+Hole+Merger&rft.volume=116&rft.issue=6&rft.date=2016-02-11&rft_id=info%3Adoi%2F10.1103%2FPhysRevLett.116.061102&rft.issn=0031-9007&rft.aulast=Abbott&rft.aufirst=B.%E2%80%89P.&rft.au=Abbott%2C+R.&rft.au=Abbott%2C+T.%E2%80%89D.&rft.au=Abernathy%2C+M.%E2%80%89R.&rft.au=Acernese%2C+F.&rft.au=Ackley%2C+K.&rft.au=Adams%2C+C.&rft.au=Adams%2C+T.&rft.au=Addesso%2C+P.&rft_id=http%3A%2F%2Flink.aps.org%2Fdoi%2F10.1103%2FPhysRevLett.116.061102&rfr_id=info%3Asid%2Fko.wikipedia.org%3A%EB%B8%94%EB%9E%99%ED%99%80" class="Z3988"><span style="display:none;"> </span></span></span> </li> <li id="cite_note-tests-116"><span class="mw-cite-backlink">↑ <sup><a href="#cite_ref-tests_116-0">가</a></sup> <sup><a href="#cite_ref-tests_116-1">나</a></sup></span> <span class="reference-text"><cite class="citation web">Abbott, Benjamin P.; 외. (LIGO Scientific Collaboration and Virgo Collaboration) (2016년 2월 11일). <a rel="nofollow" class="external text" href="https://dcc.ligo.org/P1500213/public">“Tests of general relativity with GW150914”</a>. <a href="/wiki/LIGO" class="mw-redirect" title="LIGO">LIGO</a><span class="reference-accessdate">. 2016년 2월 12일에 확인함</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=Tests+of+general+relativity+with+GW150914&rft.pub=LIGO&rft.date=2016-02-11&rft.aulast=Abbott&rft.aufirst=Benjamin+P.&rft_id=https%3A%2F%2Fdcc.ligo.org%2FP1500213%2Fpublic&rfr_id=info%3Asid%2Fko.wikipedia.org%3A%EB%B8%94%EB%9E%99%ED%99%80" class="Z3988"><span style="display:none;"> </span></span></span> </li> <li id="cite_note-implications-117"><span class="mw-cite-backlink"><a href="#cite_ref-implications_117-0">↑</a></span> <span class="reference-text"><cite class="citation journal"><a rel="nofollow" class="external text" href="https://dcc.ligo.org/P1500213/public">“Astrophysical Implications of the Binary Black Hole Merger GW150914”</a>. <i>Astrophys. J. Lett.</i> <b>818</b> (2): L22. <a href="/wiki/%EB%94%94%EC%A7%80%ED%84%B8_%EA%B0%9D%EC%B2%B4_%EC%8B%9D%EB%B3%84%EC%9E%90" title="디지털 객체 식별자">doi</a>:<a rel="nofollow" class="external text" href="https://dx.doi.org/10.3847%2F2041-8205%2F818%2F2%2FL22">10.3847/2041-8205/818/2/L22</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Astrophys.+J.+Lett.&rft.atitle=Astrophysical+Implications+of+the+Binary+Black+Hole+Merger+GW150914&rft.volume=818&rft.issue=2&rft.pages=L22&rft_id=info%3Adoi%2F10.3847%2F2041-8205%2F818%2F2%2FL22&rft_id=https%3A%2F%2Fdcc.ligo.org%2FP1500213%2Fpublic&rfr_id=info%3Asid%2Fko.wikipedia.org%3A%EB%B8%94%EB%9E%99%ED%99%80" class="Z3988"><span style="display:none;"> </span></span></span> </li> <li id="cite_note-118"><span class="mw-cite-backlink"><a href="#cite_ref-118">↑</a></span> <span class="reference-text"><cite class="citation news"><a rel="nofollow" class="external text" href="http://www.eso.org/public/news/eso1151/">“A Black Hole's Dinner is Fast Approaching”</a>. 《ESO Press Release》<span class="reference-accessdate">. 2012년 2월 6일에 확인함</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=ESO+Press+Release&rft.atitle=A+Black+Hole%27s+Dinner+is+Fast+Approaching&rft_id=http%3A%2F%2Fwww.eso.org%2Fpublic%2Fnews%2Feso1151%2F&rfr_id=info%3Asid%2Fko.wikipedia.org%3A%EB%B8%94%EB%9E%99%ED%99%80" class="Z3988"><span style="display:none;"> </span></span></span> </li> <li id="cite_note-Gillessen-119"><span class="mw-cite-backlink">↑ <sup><a href="#cite_ref-Gillessen_119-0">가</a></sup> <sup><a href="#cite_ref-Gillessen_119-1">나</a></sup></span> <span class="reference-text"><cite id="CITEREFGillessenEisenhauerTrippeAlexander2009" class="citation journal">Gillessen, S.; Eisenhauer, F.; Trippe, S.; 외. (2009). “Monitoring Stellar Orbits around the Massive Black Hole in the Galactic Center”. <i>The Astrophysical Journal</i> <b>692</b> (2): 1075. <a href="/wiki/ArXiv" title="ArXiv">arXiv</a>:<a rel="nofollow" class="external text" href="//arxiv.org/abs/0810.4674">0810.4674</a>. <a href="/wiki/%EB%B9%84%EB%B8%8C%EC%BD%94%EB%93%9C" title="비브코드">Bibcode</a>:<a rel="nofollow" class="external text" href="http://adsabs.harvard.edu/abs/2009ApJ...692.1075G">2009ApJ...692.1075G</a>. <a href="/wiki/%EB%94%94%EC%A7%80%ED%84%B8_%EA%B0%9D%EC%B2%B4_%EC%8B%9D%EB%B3%84%EC%9E%90" title="디지털 객체 식별자">doi</a>:<a rel="nofollow" class="external text" href="https://dx.doi.org/10.1088%2F0004-637X%2F692%2F2%2F1075">10.1088/0004-637X/692/2/1075</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=The+Astrophysical+Journal&rft.atitle=Monitoring+Stellar+Orbits+around+the+Massive+Black+Hole+in+the+Galactic+Center&rft.volume=692&rft.issue=2&rft.pages=1075&rft.date=2009&rft_id=info%3Aarxiv%2F0810.4674&rft_id=info%3Adoi%2F10.1088%2F0004-637X%2F692%2F2%2F1075&rft_id=info%3Abibcode%2F2009ApJ...692.1075G&rft.aulast=Gillessen&rft.aufirst=S.&rft.au=Eisenhauer%2C+F.&rft.au=Trippe%2C+S.&rft.au=Alexander%2C+T.&rft.au=Genzel%2C+R.&rft.au=Martins%2C+F.&rft.au=Ott%2C+T.&rfr_id=info%3Asid%2Fko.wikipedia.org%3A%EB%B8%94%EB%9E%99%ED%99%80" class="Z3988"><span style="display:none;"> </span></span></span> </li> <li id="cite_note-Ghez1998-120"><span class="mw-cite-backlink">↑ <sup><a href="#cite_ref-Ghez1998_120-0">가</a></sup> <sup><a href="#cite_ref-Ghez1998_120-1">나</a></sup></span> <span class="reference-text"><cite id="CITEREFGhezKleinMorrisBecklin1998" class="citation journal">Ghez, A. M.; Klein, B. L.; Morris, M.; 외. (1998). “High Proper‐Motion Stars in the Vicinity of Sagittarius A*: Evidence for a Supermassive Black Hole at the Center of Our Galaxy”. <i>The Astrophysical Journal</i> <b>509</b> (2): 678. <a href="/wiki/ArXiv" title="ArXiv">arXiv</a>:<a rel="nofollow" class="external text" href="//arxiv.org/abs/astro-ph/9807210">astro-ph/9807210</a>. <a href="/wiki/%EB%B9%84%EB%B8%8C%EC%BD%94%EB%93%9C" title="비브코드">Bibcode</a>:<a rel="nofollow" class="external text" href="http://adsabs.harvard.edu/abs/1998ApJ...509..678G">1998ApJ...509..678G</a>. <a href="/wiki/%EB%94%94%EC%A7%80%ED%84%B8_%EA%B0%9D%EC%B2%B4_%EC%8B%9D%EB%B3%84%EC%9E%90" title="디지털 객체 식별자">doi</a>:<a rel="nofollow" class="external text" href="https://dx.doi.org/10.1086%2F306528">10.1086/306528</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=The+Astrophysical+Journal&rft.atitle=High+Proper%E2%80%90Motion+Stars+in+the+Vicinity+of+Sagittarius+A%2A%3A+Evidence+for+a+Supermassive+Black+Hole+at+the+Center+of+Our+Galaxy&rft.volume=509&rft.issue=2&rft.pages=678&rft.date=1998&rft_id=info%3Aarxiv%2Fastro-ph%2F9807210&rft_id=info%3Adoi%2F10.1086%2F306528&rft_id=info%3Abibcode%2F1998ApJ...509..678G&rft.aulast=Ghez&rft.aufirst=A.+M.&rft.au=Klein%2C+B.+L.&rft.au=Morris%2C+M.&rft.au=Becklin%2C+E.+E.&rfr_id=info%3Asid%2Fko.wikipedia.org%3A%EB%B8%94%EB%9E%99%ED%99%80" class="Z3988"><span style="display:none;"> </span></span></span> </li> <li id="cite_note-121"><span class="mw-cite-backlink"><a href="#cite_ref-121">↑</a></span> <span class="reference-text"><cite class="citation journal">Broderick, Avery; Loeb, Abraham; Narayan, Ramesh (August 2009). <a rel="nofollow" class="external text" href="http://adsabs.harvard.edu/abs/2009ApJ...701.1357B">“The Event Horizon of Sagittarius A*”</a>. 《The Astrophysical Journal》 <b>701</b>: 1357. <a href="/wiki/ArXiv" title="ArXiv">arXiv</a>:<a rel="nofollow" class="external text" href="//arxiv.org/abs/0903.1105">0903.1105</a>. <a href="/wiki/%EB%B9%84%EB%B8%8C%EC%BD%94%EB%93%9C" title="비브코드">Bibcode</a>:<a rel="nofollow" class="external text" href="http://adsabs.harvard.edu/abs/2009ApJ...701.1357B">2009ApJ...701.1357B</a>. <a href="/wiki/%EB%94%94%EC%A7%80%ED%84%B8_%EA%B0%9D%EC%B2%B4_%EC%8B%9D%EB%B3%84%EC%9E%90" title="디지털 객체 식별자">doi</a>:<a rel="nofollow" class="external text" href="https://dx.doi.org/10.1088%2F0004-637X%2F701%2F2%2F1357">10.1088/0004-637X/701/2/1357</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=The+Astrophysical+Journal&rft.atitle=The+Event+Horizon+of+Sagittarius+A%2A&rft.volume=701&rft.pages=1357&rft.date=2009-08&rft_id=info%3Aarxiv%2F0903.1105&rft_id=info%3Adoi%2F10.1088%2F0004-637X%2F701%2F2%2F1357&rft_id=info%3Abibcode%2F2009ApJ...701.1357B&rft.aulast=Broderick&rft.aufirst=Avery&rft.au=Loeb%2C+Abraham&rft.au=Narayan%2C+Ramesh&rft_id=http%3A%2F%2Fadsabs.harvard.edu%2Fabs%2F2009ApJ...701.1357B&rfr_id=info%3Asid%2Fko.wikipedia.org%3A%EB%B8%94%EB%9E%99%ED%99%80" class="Z3988"><span style="display:none;"> </span></span></span> </li> <li id="cite_note-NASA-20140812-122"><span class="mw-cite-backlink">↑ <sup><a href="#cite_ref-NASA-20140812_122-0">가</a></sup> <sup><a href="#cite_ref-NASA-20140812_122-1">나</a></sup></span> <span class="reference-text"><cite class="citation web"><a rel="nofollow" class="external text" href="https://www.jpl.nasa.gov/news/news.php?release=2014-273">“NASA's NuSTAR Sees Rare Blurring of Black Hole Light”</a>. 《<a href="/wiki/NASA" class="mw-redirect" title="NASA">NASA</a>》. 2014년 8월 12일<span class="reference-accessdate">. 2014년 8월 12일에 확인함</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=NASA&rft.atitle=NASA%27s+NuSTAR+Sees+Rare+Blurring+of+Black+Hole+Light&rft.date=2014-08-12&rft_id=http%3A%2F%2Fwww.jpl.nasa.gov%2Fnews%2Fnews.php%3Frelease%3D2014-273&rfr_id=info%3Asid%2Fko.wikipedia.org%3A%EB%B8%94%EB%9E%99%ED%99%80" class="Z3988"><span style="display:none;"> </span></span></span> </li> <li id="cite_note-123"><span class="mw-cite-backlink"><a href="#cite_ref-123">↑</a></span> <span class="reference-text">"Short-cut method of solution of geodesic equations for Schwarzchild black hole", J.A. Marck, Class.Quant. Grav. 13 (1996) 393-402.</span> </li> <li id="cite_note-McClintockRemillard2006-124"><span class="mw-cite-backlink">↑ <sup><a href="#cite_ref-McClintockRemillard2006_124-0">가</a></sup> <sup><a href="#cite_ref-McClintockRemillard2006_124-1">나</a></sup> <sup><a href="#cite_ref-McClintockRemillard2006_124-2">다</a></sup></span> <span class="reference-text"><cite class="citation book">McClintock, J. E.; Remillard, R. A. (2006). 〈Black Hole Binaries〉. Lewin, W.; van der Klis, M. <a rel="nofollow" class="external text" href="https://archive.org/details/compactstellarxr0000unse">《Compact Stellar X-ray Sources》</a>. Cambridge University Press. <a href="/wiki/ArXiv" title="ArXiv">arXiv</a>:<a rel="nofollow" class="external text" href="//arxiv.org/abs/astro-ph/0306213">astro-ph/0306213</a>. <a href="/wiki/%EA%B5%AD%EC%A0%9C_%ED%91%9C%EC%A4%80_%EB%8F%84%EC%84%9C_%EB%B2%88%ED%98%B8" class="mw-redirect" title="국제 표준 도서 번호">ISBN</a> <a href="/wiki/%ED%8A%B9%EC%88%98:%EC%B1%85%EC%B0%BE%EA%B8%B0/0-521-82659-4" title="특수:책찾기/0-521-82659-4"><bdi>0-521-82659-4</bdi></a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=bookitem&rft.atitle=Black+Hole+Binaries&rft.btitle=Compact+Stellar+X-ray+Sources&rft.pub=Cambridge+University+Press&rft.date=2006&rft_id=info%3Aarxiv%2Fastro-ph%2F0306213&rft.isbn=0-521-82659-4&rft.aulast=McClintock&rft.aufirst=J.+E.&rft.au=Remillard%2C+R.+A.&rft_id=https%3A%2F%2Farchive.org%2Fdetails%2Fcompactstellarxr0000unse&rfr_id=info%3Asid%2Fko.wikipedia.org%3A%EB%B8%94%EB%9E%99%ED%99%80" class="Z3988"><span style="display:none;"> </span></span> section 4.1.5.</span> </li> <li id="cite_note-CMS1999-125"><span class="mw-cite-backlink">↑ <sup><a href="#cite_ref-CMS1999_125-0">가</a></sup> <sup><a href="#cite_ref-CMS1999_125-1">나</a></sup> <sup><a href="#cite_ref-CMS1999_125-2">다</a></sup> <sup><a href="#cite_ref-CMS1999_125-3">라</a></sup> <sup><a href="#cite_ref-CMS1999_125-4">마</a></sup> <sup><a href="#cite_ref-CMS1999_125-5">바</a></sup> <sup><a href="#cite_ref-CMS1999_125-6">사</a></sup> <sup><a href="#cite_ref-CMS1999_125-7">아</a></sup> <sup><a href="#cite_ref-CMS1999_125-8">자</a></sup></span> <span class="reference-text"><cite id="CITEREFCelottiMillerSciama1999" class="citation journal">Celotti, A.; Miller, J. C.; Sciama, D. W. (1999). “Astrophysical evidence for the existence of black holes”. <i>Classical and Quantum Gravity</i> <b>16</b> (12A): A3–A21. <a href="/wiki/ArXiv" title="ArXiv">arXiv</a>:<a rel="nofollow" class="external text" href="//arxiv.org/abs/astro-ph/9912186">astro-ph/9912186</a>. <a href="/wiki/%EB%94%94%EC%A7%80%ED%84%B8_%EA%B0%9D%EC%B2%B4_%EC%8B%9D%EB%B3%84%EC%9E%90" title="디지털 객체 식별자">doi</a>:<a rel="nofollow" class="external text" href="https://dx.doi.org/10.1088%2F0264-9381%2F16%2F12A%2F301">10.1088/0264-9381/16/12A/301</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Classical+and+Quantum+Gravity&rft.atitle=Astrophysical+evidence+for+the+existence+of+black+holes&rft.volume=16&rft.issue=12A&rft.pages=A3-A21&rft.date=1999&rft_id=info%3Aarxiv%2Fastro-ph%2F9912186&rft_id=info%3Adoi%2F10.1088%2F0264-9381%2F16%2F12A%2F301&rft.aulast=Celotti&rft.aufirst=A.&rft.au=Miller%2C+J.+C.&rft.au=Sciama%2C+D.+W.&rfr_id=info%3Asid%2Fko.wikipedia.org%3A%EB%B8%94%EB%9E%99%ED%99%80" class="Z3988"><span style="display:none;"> </span></span></span> </li> <li id="cite_note-126"><span class="mw-cite-backlink"><a href="#cite_ref-126">↑</a></span> <span class="reference-text"><cite id="CITEREFWinterMushotzkyReynolds2006" class="citation journal">Winter, L. M.; Mushotzky, R. F.; Reynolds, C. S. (2006). “XMM‐Newton Archival Study of the Ultraluminous X‐Ray Population in Nearby Galaxies”. 《The Astrophysical Journal》 <b>649</b> (2): 730. <a href="/wiki/ArXiv" title="ArXiv">arXiv</a>:<a rel="nofollow" class="external text" href="//arxiv.org/abs/astro-ph/0512480">astro-ph/0512480</a>. <a href="/wiki/%EB%B9%84%EB%B8%8C%EC%BD%94%EB%93%9C" title="비브코드">Bibcode</a>:<a rel="nofollow" class="external text" href="http://adsabs.harvard.edu/abs/2006ApJ...649..730W">2006ApJ...649..730W</a>. <a href="/wiki/%EB%94%94%EC%A7%80%ED%84%B8_%EA%B0%9D%EC%B2%B4_%EC%8B%9D%EB%B3%84%EC%9E%90" title="디지털 객체 식별자">doi</a>:<a rel="nofollow" class="external text" href="https://dx.doi.org/10.1086%2F506579">10.1086/506579</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=The+Astrophysical+Journal&rft.atitle=XMM%E2%80%90Newton+Archival+Study+of+the+Ultraluminous+X%E2%80%90Ray+Population+in+Nearby+Galaxies&rft.volume=649&rft.issue=2&rft.pages=730&rft.date=2006&rft_id=info%3Aarxiv%2Fastro-ph%2F0512480&rft_id=info%3Adoi%2F10.1086%2F506579&rft_id=info%3Abibcode%2F2006ApJ...649..730W&rft.aulast=Winter&rft.aufirst=L.+M.&rft.au=Mushotzky%2C+R.+F.&rft.au=Reynolds%2C+C.+S.&rfr_id=info%3Asid%2Fko.wikipedia.org%3A%EB%B8%94%EB%9E%99%ED%99%80" class="Z3988"><span style="display:none;"> </span></span></span> </li> <li id="cite_note-127"><span class="mw-cite-backlink"><a href="#cite_ref-127">↑</a></span> <span class="reference-text"><cite id="CITEREFBolton1972" class="citation journal">Bolton, C. T. (1972). “Identification of Cygnus X-1 with HDE 226868”. 《Nature》 <b>235</b> (5336): 271–273. <a href="/wiki/%EB%B9%84%EB%B8%8C%EC%BD%94%EB%93%9C" title="비브코드">Bibcode</a>:<a rel="nofollow" class="external text" href="http://adsabs.harvard.edu/abs/1972Natur.235..271B">1972Natur.235..271B</a>. <a href="/wiki/%EB%94%94%EC%A7%80%ED%84%B8_%EA%B0%9D%EC%B2%B4_%EC%8B%9D%EB%B3%84%EC%9E%90" title="디지털 객체 식별자">doi</a>:<a rel="nofollow" class="external text" href="https://dx.doi.org/10.1038%2F235271b0">10.1038/235271b0</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Nature&rft.atitle=Identification+of+Cygnus+X-1+with+HDE+226868&rft.volume=235&rft.issue=5336&rft.pages=271-273&rft.date=1972&rft_id=info%3Adoi%2F10.1038%2F235271b0&rft_id=info%3Abibcode%2F1972Natur.235..271B&rft.aulast=Bolton&rft.aufirst=C.+T.&rfr_id=info%3Asid%2Fko.wikipedia.org%3A%EB%B8%94%EB%9E%99%ED%99%80" class="Z3988"><span style="display:none;"> </span></span></span> </li> <li id="cite_note-128"><span class="mw-cite-backlink"><a href="#cite_ref-128">↑</a></span> <span class="reference-text"><cite id="CITEREFWebsterMurdin1972" class="citation journal">Webster, B. L.; Murdin, P. (1972). “Cygnus X-1—a Spectroscopic Binary with a Heavy Companion ?”. 《Nature》 <b>235</b> (5332): 37–38. <a href="/wiki/%EB%B9%84%EB%B8%8C%EC%BD%94%EB%93%9C" title="비브코드">Bibcode</a>:<a rel="nofollow" class="external text" href="http://adsabs.harvard.edu/abs/1972Natur.235...37W">1972Natur.235...37W</a>. <a href="/wiki/%EB%94%94%EC%A7%80%ED%84%B8_%EA%B0%9D%EC%B2%B4_%EC%8B%9D%EB%B3%84%EC%9E%90" title="디지털 객체 식별자">doi</a>:<a rel="nofollow" class="external text" href="https://dx.doi.org/10.1038%2F235037a0">10.1038/235037a0</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Nature&rft.atitle=Cygnus+X-1%E2%80%94a+Spectroscopic+Binary+with+a+Heavy+Companion+%3F&rft.volume=235&rft.issue=5332&rft.pages=37-38&rft.date=1972&rft_id=info%3Adoi%2F10.1038%2F235037a0&rft_id=info%3Abibcode%2F1972Natur.235...37W&rft.aulast=Webster&rft.aufirst=B.+L.&rft.au=Murdin%2C+P.&rfr_id=info%3Asid%2Fko.wikipedia.org%3A%EB%B8%94%EB%9E%99%ED%99%80" class="Z3988"><span style="display:none;"> </span></span></span> </li> <li id="cite_note-129"><span class="mw-cite-backlink"><a href="#cite_ref-129">↑</a></span> <span class="reference-text"><cite class="citation web">Rolston, B. (1997년 11월 10일). <a rel="nofollow" class="external text" href="https://web.archive.org/web/20080502230214/http://news.utoronto.ca/bin/bulletin/nov10_97/art4.htm">“The First Black Hole”</a>. 《The bulletin》. University of Toronto. 2008년 5월 2일에 <a rel="nofollow" class="external text" href="http://news.utoronto.ca/bin/bulletin/nov10_97/art4.htm">원본 문서</a>에서 보존된 문서<span class="reference-accessdate">. 2008년 3월 11일에 확인함</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=The+bulletin&rft.atitle=The+First+Black+Hole&rft.date=1997-11-10&rft.aulast=Rolston&rft.aufirst=B.&rft_id=http%3A%2F%2Fnews.utoronto.ca%2Fbin%2Fbulletin%2Fnov10_97%2Fart4.htm&rfr_id=info%3Asid%2Fko.wikipedia.org%3A%EB%B8%94%EB%9E%99%ED%99%80" class="Z3988"><span style="display:none;"> </span></span></span> </li> <li id="cite_note-130"><span class="mw-cite-backlink"><a href="#cite_ref-130">↑</a></span> <span class="reference-text"><cite id="CITEREFShipmanYuDu1975" class="citation journal">Shipman, H. L.; Yu, Z; Du, Y.W (1975년 1월 1일). “The implausible history of triple star models for Cygnus X-1 Evidence for a black hole”. 《Astrophysical Letters》 <b>16</b> (1): 9–12. <a href="/wiki/%EB%B9%84%EB%B8%8C%EC%BD%94%EB%93%9C" title="비브코드">Bibcode</a>:<a rel="nofollow" class="external text" href="http://adsabs.harvard.edu/abs/1975ApL....16....9S">1975ApL....16....9S</a>. <a href="/wiki/%EB%94%94%EC%A7%80%ED%84%B8_%EA%B0%9D%EC%B2%B4_%EC%8B%9D%EB%B3%84%EC%9E%90" title="디지털 객체 식별자">doi</a>:<a rel="nofollow" class="external text" href="https://dx.doi.org/10.1016%2FS0304-8853%2899%2900384-4">10.1016/S0304-8853(99)00384-4</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Astrophysical+Letters&rft.atitle=The+implausible+history+of+triple+star+models+for+Cygnus+X-1+Evidence+for+a+black+hole&rft.volume=16&rft.issue=1&rft.pages=9-12&rft.date=1975-01-01&rft_id=info%3Adoi%2F10.1016%2FS0304-8853%2899%2900384-4&rft_id=info%3Abibcode%2F1975ApL....16....9S&rft.aulast=Shipman&rft.aufirst=H.+L.&rft.au=Yu%2C+Z&rft.au=Du%2C+Y.W&rfr_id=info%3Asid%2Fko.wikipedia.org%3A%EB%B8%94%EB%9E%99%ED%99%80" class="Z3988"><span style="display:none;"> </span></span></span> </li> <li id="cite_note-131"><span class="mw-cite-backlink"><a href="#cite_ref-131">↑</a></span> <span class="reference-text"><cite id="CITEREFNarayanMcClintock2008" class="citation journal">Narayan, R.; McClintock, J. (2008). “Advection-dominated accretion and the black hole event horizon”. <i>New Astronomy Reviews</i> <b>51</b> (10–12): 733. <a href="/wiki/ArXiv" title="ArXiv">arXiv</a>:<a rel="nofollow" class="external text" href="//arxiv.org/abs/0803.0322">0803.0322</a>. <a href="/wiki/%EB%B9%84%EB%B8%8C%EC%BD%94%EB%93%9C" title="비브코드">Bibcode</a>:<a rel="nofollow" class="external text" href="http://adsabs.harvard.edu/abs/2008NewAR..51..733N">2008NewAR..51..733N</a>. <a href="/wiki/%EB%94%94%EC%A7%80%ED%84%B8_%EA%B0%9D%EC%B2%B4_%EC%8B%9D%EB%B3%84%EC%9E%90" title="디지털 객체 식별자">doi</a>:<a rel="nofollow" class="external text" href="https://dx.doi.org/10.1016%2Fj.newar.2008.03.002">10.1016/j.newar.2008.03.002</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=New+Astronomy+Reviews&rft.atitle=Advection-dominated+accretion+and+the+black+hole+event+horizon&rft.volume=51&rft.issue=10%E2%80%9312&rft.pages=733&rft.date=2008&rft_id=info%3Aarxiv%2F0803.0322&rft_id=info%3Adoi%2F10.1016%2Fj.newar.2008.03.002&rft_id=info%3Abibcode%2F2008NewAR..51..733N&rft.aulast=Narayan&rft.aufirst=R.&rft.au=McClintock%2C+J.&rfr_id=info%3Asid%2Fko.wikipedia.org%3A%EB%B8%94%EB%9E%99%ED%99%80" class="Z3988"><span style="display:none;"> </span></span></span> </li> <li id="cite_note-132"><span class="mw-cite-backlink"><a href="#cite_ref-132">↑</a></span> <span class="reference-text"><cite class="citation web"><a rel="nofollow" class="external text" href="http://www.eurekalert.org/pub_releases/2008-04/nsfc-nsi040108.php">“NASA scientists identify smallest known black hole”</a>. <a href="/w/index.php?title=Goddard_Space_Flight_Center&action=edit&redlink=1" class="new" title="Goddard Space Flight Center (없는 문서)">Goddard Space Flight Center</a>. 2008년 4월 1일<span class="reference-accessdate">. 2009년 3월 14일에 확인함</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=NASA+scientists+identify+smallest+known+black+hole&rft.pub=Goddard+Space+Flight+Center&rft.date=2008-04-01&rft_id=http%3A%2F%2Fwww.eurekalert.org%2Fpub_releases%2F2008-04%2Fnsfc-nsi040108.php&rfr_id=info%3Asid%2Fko.wikipedia.org%3A%EB%B8%94%EB%9E%99%ED%99%80" class="Z3988"><span style="display:none;"> </span></span></span> </li> <li id="cite_note-krolik1999-133"><span class="mw-cite-backlink"><a href="#cite_ref-krolik1999_133-0">↑</a></span> <span class="reference-text"><cite class="citation book">Krolik, J. H. (1999). <a rel="nofollow" class="external text" href="https://books.google.com/?id=oRK8otMiWIgC&printsec=frontcover&dq=Active+Galactic+Nuclei#v=onepage&q&f=false"><i>Active Galactic Nuclei</i></a>. Princeton University Press. Ch. 1.2. <a href="/wiki/%EA%B5%AD%EC%A0%9C_%ED%91%9C%EC%A4%80_%EB%8F%84%EC%84%9C_%EB%B2%88%ED%98%B8" class="mw-redirect" title="국제 표준 도서 번호">ISBN</a> <a href="/wiki/%ED%8A%B9%EC%88%98:%EC%B1%85%EC%B0%BE%EA%B8%B0/0-691-01151-6" title="특수:책찾기/0-691-01151-6"><bdi>0-691-01151-6</bdi></a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=Active+Galactic+Nuclei&rft.pages=Ch.+1.2&rft.pub=Princeton+University+Press&rft.date=1999&rft.isbn=0-691-01151-6&rft.aulast=Krolik&rft.aufirst=J.+H.&rft_id=https%3A%2F%2Fbooks.google.com%2F%3Fid%3DoRK8otMiWIgC%26printsec%3Dfrontcover%26dq%3DActive%2BGalactic%2BNuclei%23v%3Donepage%26q%26f%3Dfalse&rfr_id=info%3Asid%2Fko.wikipedia.org%3A%EB%B8%94%EB%9E%99%ED%99%80" class="Z3988"><span style="display:none;"> </span></span></span> </li> <li id="cite_note-sparkegallagher2000-134"><span class="mw-cite-backlink"><a href="#cite_ref-sparkegallagher2000_134-0">↑</a></span> <span class="reference-text"><cite class="citation book">Sparke, L. S.; Gallagher, J. S. (2000). <a rel="nofollow" class="external text" href="https://books.google.com/?id=N8Hngab5liQC&printsec=frontcover&dq=Galaxies+in+the+Universe:+An+Introduction#v=onepage&q&f=false"><i>Galaxies in the Universe: An Introduction</i></a>. Cambridge University Press. Ch. 9.1. <a href="/wiki/%EA%B5%AD%EC%A0%9C_%ED%91%9C%EC%A4%80_%EB%8F%84%EC%84%9C_%EB%B2%88%ED%98%B8" class="mw-redirect" title="국제 표준 도서 번호">ISBN</a> <a href="/wiki/%ED%8A%B9%EC%88%98:%EC%B1%85%EC%B0%BE%EA%B8%B0/0-521-59740-4" title="특수:책찾기/0-521-59740-4"><bdi>0-521-59740-4</bdi></a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=Galaxies+in+the+Universe%3A+An+Introduction&rft.pages=Ch.+9.1&rft.pub=Cambridge+University+Press&rft.date=2000&rft.isbn=0-521-59740-4&rft.aulast=Sparke&rft.aufirst=L.+S.&rft.au=Gallagher%2C+J.+S.&rft_id=https%3A%2F%2Fbooks.google.com%2F%3Fid%3DN8Hngab5liQC%26printsec%3Dfrontcover%26dq%3DGalaxies%2Bin%2Bthe%2BUniverse%3A%2BAn%2BIntroduction%23v%3Donepage%26q%26f%3Dfalse&rfr_id=info%3Asid%2Fko.wikipedia.org%3A%EB%B8%94%EB%9E%99%ED%99%80" class="Z3988"><span style="display:none;"> </span></span></span> </li> <li id="cite_note-NASA-20150105-135"><span class="mw-cite-backlink"><a href="#cite_ref-NASA-20150105_135-0">↑</a></span> <span class="reference-text"><cite class="citation web">Chou, Felicia; Anderson, Janet; Watzke, Megan (2015년 1월 5일). <a rel="nofollow" class="external text" href="https://www.nasa.gov/press/2015/january/nasa-s-chandra-detects-record-breaking-outburst-from-milky-way-s-black-hole/">“RELEASE 15-001 - NASA’s Chandra Detects Record-Breaking Outburst from Milky Way’s Black Hole”</a>. 《<a href="/wiki/NASA" class="mw-redirect" title="NASA">NASA</a>》<span class="reference-accessdate">. 2015년 1월 6일에 확인함</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=NASA&rft.atitle=RELEASE+15-001+-+NASA%E2%80%99s+Chandra+Detects+Record-Breaking+Outburst+from+Milky+Way%E2%80%99s+Black+Hole&rft.date=2015-01-05&rft.aulast=Chou&rft.aufirst=Felicia&rft.au=Anderson%2C+Janet&rft.au=Watzke%2C+Megan&rft_id=http%3A%2F%2Fwww.nasa.gov%2Fpress%2F2015%2Fjanuary%2Fnasa-s-chandra-detects-record-breaking-outburst-from-milky-way-s-black-hole%2F&rfr_id=info%3Asid%2Fko.wikipedia.org%3A%EB%B8%94%EB%9E%99%ED%99%80" class="Z3988"><span style="display:none;"> </span></span></span> </li> <li id="cite_note-kormendyrichstone1995-136"><span class="mw-cite-backlink"><a href="#cite_ref-kormendyrichstone1995_136-0">↑</a></span> <span class="reference-text"><cite id="CITEREFKormendyRichstone1995" class="citation journal">Kormendy, J.; Richstone, D. (1995). “Inward Bound—The Search For Supermassive Black Holes In Galactic Nuclei”. 《Annual Reviews of Astronomy and Astrophysics》 <b>33</b> (1): 581–624. <a href="/wiki/%EB%B9%84%EB%B8%8C%EC%BD%94%EB%93%9C" title="비브코드">Bibcode</a>:<a rel="nofollow" class="external text" href="http://adsabs.harvard.edu/abs/1995ARA&A..33..581K">1995ARA&A..33..581K</a>. <a href="/wiki/%EB%94%94%EC%A7%80%ED%84%B8_%EA%B0%9D%EC%B2%B4_%EC%8B%9D%EB%B3%84%EC%9E%90" title="디지털 객체 식별자">doi</a>:<a rel="nofollow" class="external text" href="https://dx.doi.org/10.1146%2Fannurev.aa.33.090195.003053">10.1146/annurev.aa.33.090195.003053</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Annual+Reviews+of+Astronomy+and+Astrophysics&rft.atitle=Inward+Bound%E2%80%94The+Search+For+Supermassive+Black+Holes+In+Galactic+Nuclei&rft.volume=33&rft.issue=1&rft.pages=581-624&rft.date=1995&rft_id=info%3Adoi%2F10.1146%2Fannurev.aa.33.090195.003053&rft_id=info%3Abibcode%2F1995ARA%26A..33..581K&rft.aulast=Kormendy&rft.aufirst=J.&rft.au=Richstone%2C+D.&rfr_id=info%3Asid%2Fko.wikipedia.org%3A%EB%B8%94%EB%9E%99%ED%99%80" class="Z3988"><span style="display:none;"> </span></span></span> </li> <li id="cite_note-King-137"><span class="mw-cite-backlink"><a href="#cite_ref-King_137-0">↑</a></span> <span class="reference-text"><cite id="CITEREFKing2003" class="citation journal">King, A. (2003). “Black Holes, Galaxy Formation, and the MBH-σ Relation”. <i>The Astrophysical Journal Letters</i> <b>596</b> (1): 27–29. <a href="/wiki/ArXiv" title="ArXiv">arXiv</a>:<a rel="nofollow" class="external text" href="//arxiv.org/abs/astro-ph/0308342">astro-ph/0308342</a>. <a href="/wiki/%EB%B9%84%EB%B8%8C%EC%BD%94%EB%93%9C" title="비브코드">Bibcode</a>:<a rel="nofollow" class="external text" href="http://adsabs.harvard.edu/abs/2003ApJ...596L..27K">2003ApJ...596L..27K</a>. <a href="/wiki/%EB%94%94%EC%A7%80%ED%84%B8_%EA%B0%9D%EC%B2%B4_%EC%8B%9D%EB%B3%84%EC%9E%90" title="디지털 객체 식별자">doi</a>:<a rel="nofollow" class="external text" href="https://dx.doi.org/10.1086%2F379143">10.1086/379143</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=The+Astrophysical+Journal+Letters&rft.atitle=Black+Holes%2C+Galaxy+Formation%2C+and+the+MBH-%CF%83+Relation&rft.volume=596&rft.issue=1&rft.pages=27-29&rft.date=2003&rft_id=info%3Aarxiv%2Fastro-ph%2F0308342&rft_id=info%3Adoi%2F10.1086%2F379143&rft_id=info%3Abibcode%2F2003ApJ...596L..27K&rft.aulast=King&rft.aufirst=A.&rfr_id=info%3Asid%2Fko.wikipedia.org%3A%EB%B8%94%EB%9E%99%ED%99%80" class="Z3988"><span style="display:none;"> </span></span></span> </li> <li id="cite_note-msigma2000-138"><span class="mw-cite-backlink"><a href="#cite_ref-msigma2000_138-0">↑</a></span> <span class="reference-text"><cite id="CITEREFFerrareseMerritt2000" class="citation journal">Ferrarese, L.; <a href="/w/index.php?title=David_Merritt&action=edit&redlink=1" class="new" title="David Merritt (없는 문서)">Merritt, D.</a> (2000). “A Fundamental Relation Between Supermassive Black Holes and their Host Galaxies”. <i>The Astrophysical Journal Letters</i> <b>539</b> (1): 9–12. <a href="/wiki/ArXiv" title="ArXiv">arXiv</a>:<a rel="nofollow" class="external text" href="//arxiv.org/abs/astro-ph/0006053">astro-ph/0006053</a>. <a href="/wiki/%EB%B9%84%EB%B8%8C%EC%BD%94%EB%93%9C" title="비브코드">Bibcode</a>:<a rel="nofollow" class="external text" href="http://adsabs.harvard.edu/abs/2000ApJ...539L...9F">2000ApJ...539L...9F</a>. <a href="/wiki/%EB%94%94%EC%A7%80%ED%84%B8_%EA%B0%9D%EC%B2%B4_%EC%8B%9D%EB%B3%84%EC%9E%90" title="디지털 객체 식별자">doi</a>:<a rel="nofollow" class="external text" href="https://dx.doi.org/10.1086%2F312838">10.1086/312838</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=The+Astrophysical+Journal+Letters&rft.atitle=A+Fundamental+Relation+Between+Supermassive+Black+Holes+and+their+Host+Galaxies&rft.volume=539&rft.issue=1&rft.pages=9-12&rft.date=2000&rft_id=info%3Aarxiv%2Fastro-ph%2F0006053&rft_id=info%3Adoi%2F10.1086%2F312838&rft_id=info%3Abibcode%2F2000ApJ...539L...9F&rft.aulast=Ferrarese&rft.aufirst=L.&rft.au=Merritt%2C+D.&rfr_id=info%3Asid%2Fko.wikipedia.org%3A%EB%B8%94%EB%9E%99%ED%99%80" class="Z3988"><span style="display:none;"> </span></span></span> </li> <li id="cite_note-Bozza-139"><span class="mw-cite-backlink">↑ <sup><a href="#cite_ref-Bozza_139-0">가</a></sup> <sup><a href="#cite_ref-Bozza_139-1">나</a></sup></span> <span class="reference-text"><cite id="CITEREFBozza2010" class="citation journal">Bozza, V. (2010). “Gravitational Lensing by Black Holes”. 《General Relativity and Gravitation》 <b>42</b> (42): 2269–2300. <a href="/wiki/ArXiv" title="ArXiv">arXiv</a>:<a rel="nofollow" class="external text" href="//arxiv.org/abs/0911.2187">0911.2187</a>. <a href="/wiki/%EB%B9%84%EB%B8%8C%EC%BD%94%EB%93%9C" title="비브코드">Bibcode</a>:<a rel="nofollow" class="external text" href="http://adsabs.harvard.edu/abs/2010GReGr..42.2269B">2010GReGr..42.2269B</a>. <a href="/wiki/%EB%94%94%EC%A7%80%ED%84%B8_%EA%B0%9D%EC%B2%B4_%EC%8B%9D%EB%B3%84%EC%9E%90" title="디지털 객체 식별자">doi</a>:<a rel="nofollow" class="external text" href="https://dx.doi.org/10.1007%2Fs10714-010-0988-2">10.1007/s10714-010-0988-2</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=General+Relativity+and+Gravitation&rft.atitle=Gravitational+Lensing+by+Black+Holes&rft.volume=42&rft.issue=42&rft.pages=2269-2300&rft.date=2010&rft_id=info%3Aarxiv%2F0911.2187&rft_id=info%3Adoi%2F10.1007%2Fs10714-010-0988-2&rft_id=info%3Abibcode%2F2010GReGr..42.2269B&rft.aulast=Bozza&rft.aufirst=V.&rfr_id=info%3Asid%2Fko.wikipedia.org%3A%EB%B8%94%EB%9E%99%ED%99%80" class="Z3988"><span style="display:none;"> </span></span></span> </li> <li id="cite_note-140"><span class="mw-cite-backlink"><a href="#cite_ref-140">↑</a></span> <span class="reference-text"><cite id="CITEREFKovacsChengHarko2009" class="citation journal">Kovacs, Z.; Cheng, K. S.; Harko, T. (2009). “Can stellar mass black holes be quark stars?”. <i><a href="/wiki/Monthly_Notices_of_the_Royal_Astronomical_Society" class="mw-redirect" title="Monthly Notices of the Royal Astronomical Society">Monthly Notices of the Royal Astronomical Society</a></i> <b>400</b> (3): 1632–1642. <a href="/wiki/ArXiv" title="ArXiv">arXiv</a>:<a rel="nofollow" class="external text" href="//arxiv.org/abs/0908.2672">0908.2672</a>. <a href="/wiki/%EB%B9%84%EB%B8%8C%EC%BD%94%EB%93%9C" title="비브코드">Bibcode</a>:<a rel="nofollow" class="external text" href="http://adsabs.harvard.edu/abs/2009MNRAS.400.1632K">2009MNRAS.400.1632K</a>. <a href="/wiki/%EB%94%94%EC%A7%80%ED%84%B8_%EA%B0%9D%EC%B2%B4_%EC%8B%9D%EB%B3%84%EC%9E%90" title="디지털 객체 식별자">doi</a>:<a rel="nofollow" class="external text" href="https://dx.doi.org/10.1111%2Fj.1365-2966.2009.15571.x">10.1111/j.1365-2966.2009.15571.x</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Monthly+Notices+of+the+Royal+Astronomical+Society&rft.atitle=Can+stellar+mass+black+holes+be+quark+stars%3F&rft.volume=400&rft.issue=3&rft.pages=1632-1642&rft.date=2009&rft_id=info%3Aarxiv%2F0908.2672&rft_id=info%3Adoi%2F10.1111%2Fj.1365-2966.2009.15571.x&rft_id=info%3Abibcode%2F2009MNRAS.400.1632K&rft.aulast=Kovacs&rft.aufirst=Z.&rft.au=Cheng%2C+K.+S.&rft.au=Harko%2C+T.&rfr_id=info%3Asid%2Fko.wikipedia.org%3A%EB%B8%94%EB%9E%99%ED%99%80" class="Z3988"><span style="display:none;"> </span></span></span> </li> <li id="cite_note-141"><span class="mw-cite-backlink"><a href="#cite_ref-141">↑</a></span> <span class="reference-text"><cite class="citation arxiv">Kusenko, A. (2006). “Properties and signatures of supersymmetric Q-balls”. <a href="/wiki/ArXiv" title="ArXiv">arXiv</a>:<a rel="nofollow" class="external text" href="//arxiv.org/abs/hep-ph/0612159">hep-ph/0612159</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=preprint&rft.jtitle=arXiv&rft.atitle=Properties+and+signatures+of+supersymmetric+Q-balls&rft.date=2006&rft_id=info%3Aarxiv%2Fhep-ph%2F0612159&rft.aulast=Kusenko&rft.aufirst=A.&rfr_id=info%3Asid%2Fko.wikipedia.org%3A%EB%B8%94%EB%9E%99%ED%99%80" class="Z3988"><span style="display:none;"> </span></span></span> </li> <li id="cite_note-142"><span class="mw-cite-backlink"><a href="#cite_ref-142">↑</a></span> <span class="reference-text"><cite id="CITEREFHanssonSandin2005" class="citation journal">Hansson, J.; Sandin, F. (2005). “Preon stars: a new class of cosmic compact objects”. <i>Physics Letters B</i> <b>616</b> (1–2): 1. <a href="/wiki/ArXiv" title="ArXiv">arXiv</a>:<a rel="nofollow" class="external text" href="//arxiv.org/abs/astro-ph/0410417">astro-ph/0410417</a>. <a href="/wiki/%EB%B9%84%EB%B8%8C%EC%BD%94%EB%93%9C" title="비브코드">Bibcode</a>:<a rel="nofollow" class="external text" href="http://adsabs.harvard.edu/abs/2005PhLB..616....1H">2005PhLB..616....1H</a>. <a href="/wiki/%EB%94%94%EC%A7%80%ED%84%B8_%EA%B0%9D%EC%B2%B4_%EC%8B%9D%EB%B3%84%EC%9E%90" title="디지털 객체 식별자">doi</a>:<a rel="nofollow" class="external text" href="https://dx.doi.org/10.1016%2Fj.physletb.2005.04.034">10.1016/j.physletb.2005.04.034</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Physics+Letters+B&rft.atitle=Preon+stars%3A+a+new+class+of+cosmic+compact+objects&rft.volume=616&rft.issue=1%E2%80%932&rft.pages=1&rft.date=2005&rft_id=info%3Aarxiv%2Fastro-ph%2F0410417&rft_id=info%3Adoi%2F10.1016%2Fj.physletb.2005.04.034&rft_id=info%3Abibcode%2F2005PhLB..616....1H&rft.aulast=Hansson&rft.aufirst=J.&rft.au=Sandin%2C+F.&rfr_id=info%3Asid%2Fko.wikipedia.org%3A%EB%B8%94%EB%9E%99%ED%99%80" class="Z3988"><span style="display:none;"> </span></span></span> </li> <li id="cite_note-143"><span class="mw-cite-backlink"><a href="#cite_ref-143">↑</a></span> <span class="reference-text"><cite id="CITEREFKiefer2006" class="citation journal">Kiefer, C. (2006). “Quantum gravity: general introduction and recent developments”. <i>Annalen der Physik</i> <b>15</b> (1–2): 129. <a href="/wiki/ArXiv" title="ArXiv">arXiv</a>:<a rel="nofollow" class="external text" href="//arxiv.org/abs/gr-qc/0508120">gr-qc/0508120</a>. <a href="/wiki/%EB%B9%84%EB%B8%8C%EC%BD%94%EB%93%9C" title="비브코드">Bibcode</a>:<a rel="nofollow" class="external text" href="http://adsabs.harvard.edu/abs/2006AnP...518..129K">2006AnP...518..129K</a>. <a href="/wiki/%EB%94%94%EC%A7%80%ED%84%B8_%EA%B0%9D%EC%B2%B4_%EC%8B%9D%EB%B3%84%EC%9E%90" title="디지털 객체 식별자">doi</a>:<a rel="nofollow" class="external text" href="https://dx.doi.org/10.1002%2Fandp.200510175">10.1002/andp.200510175</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Annalen+der+Physik&rft.atitle=Quantum+gravity%3A+general+introduction+and+recent+developments&rft.volume=15&rft.issue=1%E2%80%932&rft.pages=129&rft.date=2006&rft_id=info%3Aarxiv%2Fgr-qc%2F0508120&rft_id=info%3Adoi%2F10.1002%2Fandp.200510175&rft_id=info%3Abibcode%2F2006AnP...518..129K&rft.aulast=Kiefer&rft.aufirst=C.&rfr_id=info%3Asid%2Fko.wikipedia.org%3A%EB%B8%94%EB%9E%99%ED%99%80" class="Z3988"><span style="display:none;"> </span></span></span> </li> <li id="cite_note-144"><span class="mw-cite-backlink"><a href="#cite_ref-144">↑</a></span> <span class="reference-text"><cite class="citation web"><a rel="nofollow" class="external text" href="http://forum.wolframscience.com/archive/topic/1688-1.html">“[NKS, Mathur states, 't Hooft-Polyakov monopoles, and Ward-Takahashi identities] - A New Kind of Science: The NKS Forum”</a>. 《wolframscience.com》<span class="reference-accessdate">. 2015년 4월 12일에 확인함</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=wolframscience.com&rft.atitle=%5BNKS%2C+Mathur+states%2C+%27t+Hooft-Polyakov+monopoles%2C+and+Ward-Takahashi+identities%5D+-+A+New+Kind+of+Science%3A+The+NKS+Forum&rft_id=http%3A%2F%2Fforum.wolframscience.com%2Farchive%2Ftopic%2F1688-1.html&rfr_id=info%3Asid%2Fko.wikipedia.org%3A%EB%B8%94%EB%9E%99%ED%99%80" class="Z3988"><span style="display:none;"> </span></span></span> </li> <li id="cite_note-145"><span class="mw-cite-backlink"><a href="#cite_ref-145">↑</a></span> <span class="reference-text"><cite id="CITEREFSkenderisTaylor2008" class="citation journal">Skenderis, K.; Taylor, M. (2008). “The fuzzball proposal for black holes”. <i>Physics Reports</i> <b>467</b> (4–5): 117. <a href="/wiki/ArXiv" title="ArXiv">arXiv</a>:<a rel="nofollow" class="external text" href="//arxiv.org/abs/0804.0552">0804.0552</a>. <a href="/wiki/%EB%B9%84%EB%B8%8C%EC%BD%94%EB%93%9C" title="비브코드">Bibcode</a>:<a rel="nofollow" class="external text" href="http://adsabs.harvard.edu/abs/2008PhR...467..117S">2008PhR...467..117S</a>. <a href="/wiki/%EB%94%94%EC%A7%80%ED%84%B8_%EA%B0%9D%EC%B2%B4_%EC%8B%9D%EB%B3%84%EC%9E%90" title="디지털 객체 식별자">doi</a>:<a rel="nofollow" class="external text" href="https://dx.doi.org/10.1016%2Fj.physrep.2008.08.001">10.1016/j.physrep.2008.08.001</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Physics+Reports&rft.atitle=The+fuzzball+proposal+for+black+holes&rft.volume=467&rft.issue=4%E2%80%935&rft.pages=117&rft.date=2008&rft_id=info%3Aarxiv%2F0804.0552&rft_id=info%3Adoi%2F10.1016%2Fj.physrep.2008.08.001&rft_id=info%3Abibcode%2F2008PhR...467..117S&rft.aulast=Skenderis&rft.aufirst=K.&rft.au=Taylor%2C+M.&rfr_id=info%3Asid%2Fko.wikipedia.org%3A%EB%B8%94%EB%9E%99%ED%99%80" class="Z3988"><span style="display:none;"> </span></span></span> </li> <li id="cite_note-147"><span class="mw-cite-backlink"><a href="#cite_ref-147">↑</a></span> <span class="reference-text"><cite id="CITEREFHawking1971" class="citation journal">Hawking, S. W. (1971). “Gravitational Radiation from Colliding Black Holes”. <i>Physical Review Letters</i> <b>26</b> (21): 1344–1346. <a href="/wiki/%EB%B9%84%EB%B8%8C%EC%BD%94%EB%93%9C" title="비브코드">Bibcode</a>:<a rel="nofollow" class="external text" href="http://adsabs.harvard.edu/abs/1971PhRvL..26.1344H">1971PhRvL..26.1344H</a>. <a href="/wiki/%EB%94%94%EC%A7%80%ED%84%B8_%EA%B0%9D%EC%B2%B4_%EC%8B%9D%EB%B3%84%EC%9E%90" title="디지털 객체 식별자">doi</a>:<a rel="nofollow" class="external text" href="https://dx.doi.org/10.1103%2FPhysRevLett.26.1344">10.1103/PhysRevLett.26.1344</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Physical+Review+Letters&rft.atitle=Gravitational+Radiation+from+Colliding+Black+Holes&rft.volume=26&rft.issue=21&rft.pages=1344-1346&rft.date=1971&rft_id=info%3Adoi%2F10.1103%2FPhysRevLett.26.1344&rft_id=info%3Abibcode%2F1971PhRvL..26.1344H&rft.aulast=Hawking&rft.aufirst=S.+W.&rfr_id=info%3Asid%2Fko.wikipedia.org%3A%EB%B8%94%EB%9E%99%ED%99%80" class="Z3988"><span style="display:none;"> </span></span></span> </li> <li id="cite_note-wald99-148"><span class="mw-cite-backlink">↑ <sup><a href="#cite_ref-wald99_148-0">가</a></sup> <sup><a href="#cite_ref-wald99_148-1">나</a></sup></span> <span class="reference-text"><cite id="CITEREFWald2001" class="citation journal">Wald, R. M. (2001). <a rel="nofollow" class="external text" href="https://web.archive.org/web/20110228234005/http://relativity.livingreviews.org/Articles/lrr-2001-6/">“The Thermodynamics of Black Holes”</a>. 《Living Reviews in Relativity》 <b>4</b> (6): 12119. <a href="/wiki/ArXiv" title="ArXiv">arXiv</a>:<a rel="nofollow" class="external text" href="//arxiv.org/abs/gr-qc/9912119">gr-qc/9912119</a>. <a href="/wiki/%EB%B9%84%EB%B8%8C%EC%BD%94%EB%93%9C" title="비브코드">Bibcode</a>:<a rel="nofollow" class="external text" href="http://adsabs.harvard.edu/abs/1999gr.qc....12119W">1999gr.qc....12119W</a>. <a href="/wiki/%EB%94%94%EC%A7%80%ED%84%B8_%EA%B0%9D%EC%B2%B4_%EC%8B%9D%EB%B3%84%EC%9E%90" title="디지털 객체 식별자">doi</a>:<a rel="nofollow" class="external text" href="https://dx.doi.org/10.12942%2Flrr-2001-6">10.12942/lrr-2001-6</a>. 2011년 2월 28일에 <a rel="nofollow" class="external text" href="http://relativity.livingreviews.org/Articles/lrr-2001-6/">원본 문서</a>에서 보존된 문서<span class="reference-accessdate">. 2011년 2월 10일에 확인함</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Living+Reviews+in+Relativity&rft.atitle=The+Thermodynamics+of+Black+Holes&rft.volume=4&rft.issue=6&rft.pages=12119&rft.date=2001&rft_id=info%3Aarxiv%2Fgr-qc%2F9912119&rft_id=info%3Adoi%2F10.12942%2Flrr-2001-6&rft_id=info%3Abibcode%2F1999gr.qc....12119W&rft.aulast=Wald&rft.aufirst=R.+M.&rft_id=http%3A%2F%2Frelativity.livingreviews.org%2FArticles%2Flrr-2001-6%2F&rfr_id=info%3Asid%2Fko.wikipedia.org%3A%EB%B8%94%EB%9E%99%ED%99%80" class="Z3988"><span style="display:none;"> </span></span></span> </li> <li id="cite_note-149"><span class="mw-cite-backlink"><a href="#cite_ref-149">↑</a></span> <span class="reference-text"><cite class="citation book">'t Hooft, G. (2001). “The Holographic Principle”. Zichichi, A. <i>Basics and highlights in fundamental physics</i>. Subnuclear series <b>37</b>. World Scientific. <a href="/wiki/ArXiv" title="ArXiv">arXiv</a>:<a rel="nofollow" class="external text" href="//arxiv.org/abs/hep-th/0003004">hep-th/0003004</a>. <a href="/wiki/%EA%B5%AD%EC%A0%9C_%ED%91%9C%EC%A4%80_%EB%8F%84%EC%84%9C_%EB%B2%88%ED%98%B8" class="mw-redirect" title="국제 표준 도서 번호">ISBN</a> <a href="/wiki/%ED%8A%B9%EC%88%98:%EC%B1%85%EC%B0%BE%EA%B8%B0/978-981-02-4536-8" title="특수:책찾기/978-981-02-4536-8"><bdi>978-981-02-4536-8</bdi></a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=bookitem&rft.atitle=The+Holographic+Principle&rft.btitle=Basics+and+highlights+in+fundamental+physics&rft.series=Subnuclear+series&rft.pub=World+Scientific&rft.date=2001&rft_id=info%3Aarxiv%2Fhep-th%2F0003004&rft.isbn=978-981-02-4536-8&rft.aulast=%27t+Hooft&rft.aufirst=G.&rfr_id=info%3Asid%2Fko.wikipedia.org%3A%EB%B8%94%EB%9E%99%ED%99%80" class="Z3988"><span style="display:none;"> </span></span></span> </li> <li id="cite_note-150"><span class="mw-cite-backlink"><a href="#cite_ref-150">↑</a></span> <span class="reference-text"><cite id="CITEREFStromingerVafa1996" class="citation journal">Strominger, A.; Vafa, C. (1996). “Microscopic origin of the Bekenstein-Hawking entropy”. <i>Physics Letters B</i> <b>379</b> (1–4): 99. <a href="/wiki/ArXiv" title="ArXiv">arXiv</a>:<a rel="nofollow" class="external text" href="//arxiv.org/abs/hep-th/9601029">hep-th/9601029</a>. <a href="/wiki/%EB%B9%84%EB%B8%8C%EC%BD%94%EB%93%9C" title="비브코드">Bibcode</a>:<a rel="nofollow" class="external text" href="http://adsabs.harvard.edu/abs/1996PhLB..379...99S">1996PhLB..379...99S</a>. <a href="/wiki/%EB%94%94%EC%A7%80%ED%84%B8_%EA%B0%9D%EC%B2%B4_%EC%8B%9D%EB%B3%84%EC%9E%90" title="디지털 객체 식별자">doi</a>:<a rel="nofollow" class="external text" href="https://dx.doi.org/10.1016%2F0370-2693%2896%2900345-0">10.1016/0370-2693(96)00345-0</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Physics+Letters+B&rft.atitle=Microscopic+origin+of+the+Bekenstein-Hawking+entropy&rft.volume=379&rft.issue=1%E2%80%934&rft.pages=99&rft.date=1996&rft_id=info%3Aarxiv%2Fhep-th%2F9601029&rft_id=info%3Adoi%2F10.1016%2F0370-2693%2896%2900345-0&rft_id=info%3Abibcode%2F1996PhLB..379...99S&rft.aulast=Strominger&rft.aufirst=A.&rft.au=Vafa%2C+C.&rfr_id=info%3Asid%2Fko.wikipedia.org%3A%EB%B8%94%EB%9E%99%ED%99%80" class="Z3988"><span style="display:none;"> </span></span></span> </li> <li id="cite_note-151"><span class="mw-cite-backlink"><a href="#cite_ref-151">↑</a></span> <span class="reference-text"><cite id="CITEREFCarlip2009" class="citation journal">Carlip, S. (2009). “Black Hole Thermodynamics and Statistical Mechanics”. <i>Lecture Notes in Physics</i>. Lecture Notes in Physics <b>769</b>: 89. <a href="/wiki/ArXiv" title="ArXiv">arXiv</a>:<a rel="nofollow" class="external text" href="//arxiv.org/abs/0807.4520">0807.4520</a>. <a href="/wiki/%EB%94%94%EC%A7%80%ED%84%B8_%EA%B0%9D%EC%B2%B4_%EC%8B%9D%EB%B3%84%EC%9E%90" title="디지털 객체 식별자">doi</a>:<a rel="nofollow" class="external text" href="https://dx.doi.org/10.1007%2F978-3-540-88460-6_3">10.1007/978-3-540-88460-6_3</a>. <a href="/wiki/%EA%B5%AD%EC%A0%9C_%ED%91%9C%EC%A4%80_%EB%8F%84%EC%84%9C_%EB%B2%88%ED%98%B8" class="mw-redirect" title="국제 표준 도서 번호">ISBN</a> <a href="/wiki/%ED%8A%B9%EC%88%98:%EC%B1%85%EC%B0%BE%EA%B8%B0/978-3-540-88459-0" title="특수:책찾기/978-3-540-88459-0"><bdi>978-3-540-88459-0</bdi></a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Lecture+Notes+in+Physics&rft.atitle=Black+Hole+Thermodynamics+and+Statistical+Mechanics&rft.volume=769&rft.pages=89&rft.date=2009&rft_id=info%3Aarxiv%2F0807.4520&rft_id=info%3Adoi%2F10.1007%2F978-3-540-88460-6_3&rft.isbn=978-3-540-88459-0&rft.aulast=Carlip&rft.aufirst=S.&rfr_id=info%3Asid%2Fko.wikipedia.org%3A%EB%B8%94%EB%9E%99%ED%99%80" class="Z3988"><span style="display:none;"> </span></span></span> </li> <li id="cite_note-PlayDice000-152"><span class="mw-cite-backlink"><a href="#cite_ref-PlayDice000_152-0">↑</a></span> <span class="reference-text"><cite class="citation web">Hawking, S. W. <a rel="nofollow" class="external text" href="https://web.archive.org/web/20120111012413/http://www.hawking.org.uk/does-god-play-dice.html">“Does God Play Dice?”</a>. 《www.hawking.org.uk》. 2012년 1월 11일에 <a rel="nofollow" class="external text" href="http://www.hawking.org.uk/does-god-play-dice.html">원본 문서</a>에서 보존된 문서<span class="reference-accessdate">. 2009년 3월 14일에 확인함</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=www.hawking.org.uk&rft.atitle=Does+God+Play+Dice%3F&rft.aulast=Hawking&rft.aufirst=S.+W.&rft_id=http%3A%2F%2Fwww.hawking.org.uk%2Fdoes-god-play-dice.html&rfr_id=info%3Asid%2Fko.wikipedia.org%3A%EB%B8%94%EB%9E%99%ED%99%80" class="Z3988"><span style="display:none;"> </span></span></span> </li> <li id="cite_note-giddings1995-153"><span class="mw-cite-backlink"><a href="#cite_ref-giddings1995_153-0">↑</a></span> <span class="reference-text"><cite class="citation conference">Giddings, S. B. (1995). 〈The black hole information paradox〉. 《Particles, Strings and Cosmology》. Johns Hopkins Workshop on Current Problems in Particle Theory 19 and the PASCOS Interdisciplinary Symposium 5. <a href="/wiki/ArXiv" title="ArXiv">arXiv</a>:<a rel="nofollow" class="external text" href="//arxiv.org/abs/hep-th/9508151">hep-th/9508151</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=conference&rft.atitle=The+black+hole+information+paradox&rft.btitle=Particles%2C+Strings+and+Cosmology&rft.date=1995&rft_id=info%3Aarxiv%2Fhep-th%2F9508151&rft.aulast=Giddings&rft.aufirst=S.+B.&rfr_id=info%3Asid%2Fko.wikipedia.org%3A%EB%B8%94%EB%9E%99%ED%99%80" class="Z3988"><span style="display:none;"> </span></span></span> </li> <li id="cite_note-154"><span class="mw-cite-backlink"><a href="#cite_ref-154">↑</a></span> <span class="reference-text"><cite class="citation conference">Mathur, S. D. (2011). 《The information paradox: conflicts and resolutions》. XXV International Symposium on Lepton Photon Interactions at High Energies. <a href="/wiki/ArXiv" title="ArXiv">arXiv</a>:<a rel="nofollow" class="external text" href="//arxiv.org/abs/1201.2079">1201.2079</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=conference&rft.btitle=The+information+paradox%3A+conflicts+and+resolutions&rft.date=2011&rft_id=info%3Aarxiv%2F1201.2079&rft.aulast=Mathur&rft.aufirst=S.+D.&rfr_id=info%3Asid%2Fko.wikipedia.org%3A%EB%B8%94%EB%9E%99%ED%99%80" class="Z3988"><span style="display:none;"> </span></span></span> </li> </ol></div> <div class="mw-heading mw-heading2"><h2 id="참고_자료"><span id=".EC.B0.B8.EA.B3.A0_.EC.9E.90.EB.A3.8C"></span>참고 자료</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=%EB%B8%94%EB%9E%99%ED%99%80&action=edit&section=32" title="부분 편집: 참고 자료"><span>편집</span></a><span class="mw-editsection-bracket">]</span></span></div> <dl><dt>대중서</dt></dl> <style data-mw-deduplicate="TemplateStyles:r36480451">.mw-parser-output .refbegin{font-size:90%;margin-bottom:0.5em}.mw-parser-output .refbegin-hanging-indents>ul{margin-left:0}.mw-parser-output .refbegin-hanging-indents>ul>li{margin-left:0;padding-left:3.2em;text-indent:-3.2em}.mw-parser-output .refbegin-hanging-indents ul,.mw-parser-output .refbegin-hanging-indents ul li{list-style:none}@media(max-width:720px){.mw-parser-output .refbegin-hanging-indents>ul>li{padding-left:1.6em;text-indent:-1.6em}}.mw-parser-output .refbegin-columns{margin-top:0.3em}.mw-parser-output .refbegin-columns ul{margin-top:0}.mw-parser-output .refbegin-columns li{page-break-inside:avoid;break-inside:avoid-column}</style><div class="refbegin" style=""> <ul><li><cite id="CITEREFFerguson1991" class="citation book">Ferguson, Kitty (1991). <a rel="nofollow" class="external text" href="https://archive.org/details/blackholesinspac0000ferg"><i>Black Holes in Space-Time</i></a>. Watts Franklin. <a href="/wiki/%EA%B5%AD%EC%A0%9C_%ED%91%9C%EC%A4%80_%EB%8F%84%EC%84%9C_%EB%B2%88%ED%98%B8" class="mw-redirect" title="국제 표준 도서 번호">ISBN</a> <a href="/wiki/%ED%8A%B9%EC%88%98:%EC%B1%85%EC%B0%BE%EA%B8%B0/0-531-12524-6" title="특수:책찾기/0-531-12524-6"><bdi>0-531-12524-6</bdi></a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=Black+Holes+in+Space-Time&rft.pub=Watts+Franklin&rft.date=1991&rft.isbn=0-531-12524-6&rft.aulast=Ferguson&rft.aufirst=Kitty&rft_id=https%3A%2F%2Farchive.org%2Fdetails%2Fblackholesinspac0000ferg&rfr_id=info%3Asid%2Fko.wikipedia.org%3A%EB%B8%94%EB%9E%99%ED%99%80" class="Z3988"><span style="display:none;"> </span></span></li> <li><cite id="CITEREFHawking1988" class="citation book"><a href="/wiki/%EC%8A%A4%ED%8B%B0%EB%B8%90_%ED%98%B8%ED%82%B9" title="스티븐 호킹">Hawking, Stephen</a> (1988). <i><a href="/wiki/%EC%8B%9C%EA%B0%84%EC%9D%98_%EC%97%AD%EC%82%AC" title="시간의 역사">A Brief History of Time</a></i>. Bantam Books, Inc. <a href="/wiki/%EA%B5%AD%EC%A0%9C_%ED%91%9C%EC%A4%80_%EB%8F%84%EC%84%9C_%EB%B2%88%ED%98%B8" class="mw-redirect" title="국제 표준 도서 번호">ISBN</a> <a href="/wiki/%ED%8A%B9%EC%88%98:%EC%B1%85%EC%B0%BE%EA%B8%B0/0-553-38016-8" title="특수:책찾기/0-553-38016-8"><bdi>0-553-38016-8</bdi></a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=A+Brief+History+of+Time&rft.pub=Bantam+Books%2C+Inc&rft.date=1988&rft.isbn=0-553-38016-8&rft.aulast=Hawking&rft.aufirst=Stephen&rfr_id=info%3Asid%2Fko.wikipedia.org%3A%EB%B8%94%EB%9E%99%ED%99%80" class="Z3988"><span style="display:none;"> </span></span></li> <li><cite id="CITEREFHawkingPenrose1996" class="citation book"><a href="/wiki/%EC%8A%A4%ED%8B%B0%EB%B8%90_%ED%98%B8%ED%82%B9" title="스티븐 호킹">Hawking, Stephen</a>; <a href="/wiki/%EB%A1%9C%EC%A0%80_%ED%8E%9C%EB%A1%9C%EC%A6%88" title="로저 펜로즈">Penrose, Roger</a> (1996). <a rel="nofollow" class="external text" href="https://books.google.com/?id=LstaQTXP65cC"><i>The Nature of Space and Time</i></a>. Princeton University Press. <a href="/wiki/%EA%B5%AD%EC%A0%9C_%ED%91%9C%EC%A4%80_%EB%8F%84%EC%84%9C_%EB%B2%88%ED%98%B8" class="mw-redirect" title="국제 표준 도서 번호">ISBN</a> <a href="/wiki/%ED%8A%B9%EC%88%98:%EC%B1%85%EC%B0%BE%EA%B8%B0/0-691-03791-4" title="특수:책찾기/0-691-03791-4"><bdi>0-691-03791-4</bdi></a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=The+Nature+of+Space+and+Time&rft.pub=Princeton+University+Press&rft.date=1996&rft.isbn=0-691-03791-4&rft.aulast=Hawking&rft.aufirst=Stephen&rft.au=Penrose%2C+Roger&rft_id=https%3A%2F%2Fbooks.google.com%2F%3Fid%3DLstaQTXP65cC&rfr_id=info%3Asid%2Fko.wikipedia.org%3A%EB%B8%94%EB%9E%99%ED%99%80" class="Z3988"><span style="display:none;"> </span></span></li> <li><cite id="CITEREFMelia2003" class="citation book"><a href="/w/index.php?title=%ED%92%80%EB%B9%84%EC%98%A4_%EB%A9%9C%EB%A6%AC%EC%95%84&action=edit&redlink=1" class="new" title="풀비오 멜리아 (없는 문서)">Melia, Fulvio</a> (2003). <a rel="nofollow" class="external text" href="https://archive.org/details/blackholeatcente0000meli"><i>The Black Hole at the Center of Our Galaxy</i></a>. Princeton U Press. <a href="/wiki/%EA%B5%AD%EC%A0%9C_%ED%91%9C%EC%A4%80_%EB%8F%84%EC%84%9C_%EB%B2%88%ED%98%B8" class="mw-redirect" title="국제 표준 도서 번호">ISBN</a> <a href="/wiki/%ED%8A%B9%EC%88%98:%EC%B1%85%EC%B0%BE%EA%B8%B0/978-0-691-09505-9" title="특수:책찾기/978-0-691-09505-9"><bdi>978-0-691-09505-9</bdi></a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=The+Black+Hole+at+the+Center+of+Our+Galaxy&rft.pub=Princeton+U+Press&rft.date=2003&rft.isbn=978-0-691-09505-9&rft.aulast=Melia&rft.aufirst=Fulvio&rft_id=https%3A%2F%2Farchive.org%2Fdetails%2Fblackholeatcente0000meli&rfr_id=info%3Asid%2Fko.wikipedia.org%3A%EB%B8%94%EB%9E%99%ED%99%80" class="Z3988"><span style="display:none;"> </span></span></li> <li><cite id="CITEREFMelia2003" class="citation book">Melia, Fulvio (2003). <a rel="nofollow" class="external text" href="https://archive.org/details/edgeofinfinitysu00meli"><i>The Edge of Infinity. Supermassive Black Holes in the Universe</i></a>. Cambridge U Press. <a href="/wiki/%EA%B5%AD%EC%A0%9C_%ED%91%9C%EC%A4%80_%EB%8F%84%EC%84%9C_%EB%B2%88%ED%98%B8" class="mw-redirect" title="국제 표준 도서 번호">ISBN</a> <a href="/wiki/%ED%8A%B9%EC%88%98:%EC%B1%85%EC%B0%BE%EA%B8%B0/978-0-521-81405-8" title="특수:책찾기/978-0-521-81405-8"><bdi>978-0-521-81405-8</bdi></a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=The+Edge+of+Infinity.+Supermassive+Black+Holes+in+the+Universe&rft.pub=Cambridge+U+Press&rft.date=2003&rft.isbn=978-0-521-81405-8&rft.aulast=Melia&rft.aufirst=Fulvio&rft_id=https%3A%2F%2Farchive.org%2Fdetails%2Fedgeofinfinitysu00meli&rfr_id=info%3Asid%2Fko.wikipedia.org%3A%EB%B8%94%EB%9E%99%ED%99%80" class="Z3988"><span style="display:none;"> </span></span></li> <li><cite class="citation book">Pickover, Clifford (1998). <i>Black Holes: A Traveler's Guide</i>. Wiley, John & Sons, Inc. <a href="/wiki/%EA%B5%AD%EC%A0%9C_%ED%91%9C%EC%A4%80_%EB%8F%84%EC%84%9C_%EB%B2%88%ED%98%B8" class="mw-redirect" title="국제 표준 도서 번호">ISBN</a> <a href="/wiki/%ED%8A%B9%EC%88%98:%EC%B1%85%EC%B0%BE%EA%B8%B0/0-471-19704-1" title="특수:책찾기/0-471-19704-1"><bdi>0-471-19704-1</bdi></a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=Black+Holes%3A+A+Traveler%27s+Guide&rft.pub=Wiley%2C+John+%26+Sons%2C+Inc&rft.date=1998&rft.isbn=0-471-19704-1&rft.aulast=Pickover&rft.aufirst=Clifford&rfr_id=info%3Asid%2Fko.wikipedia.org%3A%EB%B8%94%EB%9E%99%ED%99%80" class="Z3988"><span style="display:none;"> </span></span></li> <li><cite id="CITEREFThorne1994" class="citation book"><a href="/wiki/%ED%82%B5_%EC%86%90" title="킵 손">Thorne, Kip S.</a> (1994). <i><a href="/w/index.php?title=%EB%B8%94%EB%9E%99%ED%99%80%EA%B3%BC_%EC%8B%9C%EA%B0%84%EC%99%9C%EA%B3%A1&action=edit&redlink=1" class="new" title="블랙홀과 시간왜곡 (없는 문서)">Black Holes and Time Warps</a></i>. Norton, W. W. & Company, Inc. <a href="/wiki/%EA%B5%AD%EC%A0%9C_%ED%91%9C%EC%A4%80_%EB%8F%84%EC%84%9C_%EB%B2%88%ED%98%B8" class="mw-redirect" title="국제 표준 도서 번호">ISBN</a> <a href="/wiki/%ED%8A%B9%EC%88%98:%EC%B1%85%EC%B0%BE%EA%B8%B0/0-393-31276-3" title="특수:책찾기/0-393-31276-3"><bdi>0-393-31276-3</bdi></a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=Black+Holes+and+Time+Warps&rft.pub=Norton%2C+W.+W.+%26+Company%2C+Inc&rft.date=1994&rft.isbn=0-393-31276-3&rft.aulast=Thorne&rft.aufirst=Kip+S.&rfr_id=info%3Asid%2Fko.wikipedia.org%3A%EB%B8%94%EB%9E%99%ED%99%80" class="Z3988"><span style="display:none;"> </span></span></li> <li><cite id="CITEREFWheeler2007" class="citation book">Wheeler, J. Craig (2007). <a rel="nofollow" class="external text" href="https://archive.org/details/cosmiccatastroph0000whee_f9s6"><i>Cosmic Catastrophes</i></a> 2판. Cambridge University Press. <a href="/wiki/%EA%B5%AD%EC%A0%9C_%ED%91%9C%EC%A4%80_%EB%8F%84%EC%84%9C_%EB%B2%88%ED%98%B8" class="mw-redirect" title="국제 표준 도서 번호">ISBN</a> <a href="/wiki/%ED%8A%B9%EC%88%98:%EC%B1%85%EC%B0%BE%EA%B8%B0/0-521-85714-7" title="특수:책찾기/0-521-85714-7"><bdi>0-521-85714-7</bdi></a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=Cosmic+Catastrophes&rft.edition=2nd&rft.pub=Cambridge+University+Press&rft.date=2007&rft.isbn=0-521-85714-7&rft.aulast=Wheeler&rft.aufirst=J.+Craig&rft_id=https%3A%2F%2Farchive.org%2Fdetails%2Fcosmiccatastroph0000whee_f9s6&rfr_id=info%3Asid%2Fko.wikipedia.org%3A%EB%B8%94%EB%9E%99%ED%99%80" class="Z3988"><span style="display:none;"> </span></span></li></ul> </div> <dl><dt>전문 단행본 및 논문</dt></dl> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r36480451"><div class="refbegin" style=""> <ul><li><cite id="CITEREFCarroll2004" class="citation book">Carroll, Sean M. (2004). <i>Spacetime and Geometry</i>. Addison Wesley. <a href="/wiki/%EA%B5%AD%EC%A0%9C_%ED%91%9C%EC%A4%80_%EB%8F%84%EC%84%9C_%EB%B2%88%ED%98%B8" class="mw-redirect" title="국제 표준 도서 번호">ISBN</a> <a href="/wiki/%ED%8A%B9%EC%88%98:%EC%B1%85%EC%B0%BE%EA%B8%B0/0-8053-8732-3" title="특수:책찾기/0-8053-8732-3"><bdi>0-8053-8732-3</bdi></a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=Spacetime+and+Geometry&rft.pub=Addison+Wesley&rft.date=2004&rft.isbn=0-8053-8732-3&rft.aulast=Carroll&rft.aufirst=Sean+M.&rfr_id=info%3Asid%2Fko.wikipedia.org%3A%EB%B8%94%EB%9E%99%ED%99%80" class="Z3988"><span style="display:none;"> </span></span>, the lecture notes on which the book was based are available for free from Sean Carroll's <a rel="nofollow" class="external text" href="https://web.archive.org/web/20070613183600/http://pancake.uchicago.edu/~carroll/notes/">website</a>.</li> <li><cite id="CITEREFCarter1973" class="citation book"><a href="/w/index.php?title=%EB%B8%8C%EB%9E%9C%EB%93%A0_%EC%B9%B4%ED%84%B0&action=edit&redlink=1" class="new" title="브랜든 카터 (없는 문서)">Carter, B.</a> (1973). “Black hole equilibrium states”. <a href="/w/index.php?title=Bryce_De_Witt&action=edit&redlink=1" class="new" title="Bryce De Witt (없는 문서)">DeWitt, B. S.</a>; DeWitt, C. <i>Black Holes</i>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=bookitem&rft.atitle=Black+hole+equilibrium+states&rft.btitle=Black+Holes&rft.date=1973&rft.aulast=Carter&rft.aufirst=B.&rfr_id=info%3Asid%2Fko.wikipedia.org%3A%EB%B8%94%EB%9E%99%ED%99%80" class="Z3988"><span style="display:none;"> </span></span></li> <li><cite id="CITEREFChandrasekhar1999" class="citation book"><a href="/wiki/%EC%88%98%EB%B8%8C%EB%9D%BC%EB%A7%88%EB%8B%88%EC%95%88_%EC%B0%AC%EB%93%9C%EB%9D%BC%EC%84%B8%EC%B9%B4%EB%A5%B4" title="수브라마니안 찬드라세카르">Chandrasekhar, Subrahmanyan</a> (1999). <i>Mathematical Theory of Black Holes</i>. Oxford University Press. <a href="/wiki/%EA%B5%AD%EC%A0%9C_%ED%91%9C%EC%A4%80_%EB%8F%84%EC%84%9C_%EB%B2%88%ED%98%B8" class="mw-redirect" title="국제 표준 도서 번호">ISBN</a> <a href="/wiki/%ED%8A%B9%EC%88%98:%EC%B1%85%EC%B0%BE%EA%B8%B0/0-19-850370-9" title="특수:책찾기/0-19-850370-9"><bdi>0-19-850370-9</bdi></a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=Mathematical+Theory+of+Black+Holes&rft.pub=Oxford+University+Press&rft.date=1999&rft.isbn=0-19-850370-9&rft.aulast=Chandrasekhar&rft.aufirst=Subrahmanyan&rfr_id=info%3Asid%2Fko.wikipedia.org%3A%EB%B8%94%EB%9E%99%ED%99%80" class="Z3988"><span style="display:none;"> </span></span></li> <li><cite id="CITEREFFrolovNovikov1998" class="citation journal">Frolov, V. P.; Novikov, I. D. (1998). <a rel="nofollow" class="external text" href="https://archive.org/details/blackholephysics0000frol">“Black hole physics”</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.atitle=Black+hole+physics&rft.date=1998&rft.aulast=Frolov&rft.aufirst=V.+P.&rft.au=Novikov%2C+I.+D.&rft_id=https%3A%2F%2Farchive.org%2Fdetails%2Fblackholephysics0000frol&rfr_id=info%3Asid%2Fko.wikipedia.org%3A%EB%B8%94%EB%9E%99%ED%99%80" class="Z3988"><span style="display:none;"> </span></span></li> <li><cite id="CITEREFFrolovZelnikov2011" class="citation book">Frolov, Valeri P.; Zelnikov, Andrei (2011). <a rel="nofollow" class="external text" href="https://books.google.com/books?id=r_l5AK9DdXsC&lpg=PA34"><i>Introduction to Black Hole Physics</i></a>. Oxford: Oxford University Press. <a href="/wiki/%EA%B5%AD%EC%A0%9C_%ED%91%9C%EC%A4%80_%EB%8F%84%EC%84%9C_%EB%B2%88%ED%98%B8" class="mw-redirect" title="국제 표준 도서 번호">ISBN</a> <a href="/wiki/%ED%8A%B9%EC%88%98:%EC%B1%85%EC%B0%BE%EA%B8%B0/978-0-19-969229-3" title="특수:책찾기/978-0-19-969229-3"><bdi>978-0-19-969229-3</bdi></a>. <a href="/wiki/%EC%B2%B8%ED%8A%B8%EB%9E%84%EB%B8%94%EB%9D%BC%ED%8A%B8_%EB%A7%88%ED%8A%B8" title="첸트랄블라트 마트">Zbl</a> <a rel="nofollow" class="external text" href="//zbmath.org/?format=complete&q=an:1234.83001">1234.83001</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=Introduction+to+Black+Hole+Physics&rft.place=Oxford&rft.pub=Oxford+University+Press&rft.date=2011&rft_id=%2F%2Fzbmath.org%2F%3Fformat%3Dcomplete%26q%3Dan%3A1234.83001&rft.isbn=978-0-19-969229-3&rft.aulast=Frolov&rft.aufirst=Valeri+P.&rft.au=Zelnikov%2C+Andrei&rft_id=https%3A%2F%2Fbooks.google.com%2Fbooks%3Fid%3Dr_l5AK9DdXsC%26lpg%3DPA34&rfr_id=info%3Asid%2Fko.wikipedia.org%3A%EB%B8%94%EB%9E%99%ED%99%80" class="Z3988"><span style="display:none;"> </span></span></li> <li><cite id="CITEREFHawkingEllis1973" class="citation book"><a href="/wiki/%EC%8A%A4%ED%8B%B0%EB%B8%90_%ED%98%B8%ED%82%B9" title="스티븐 호킹">Hawking, S. W.</a>; Ellis, G. F. R. (1973). <a rel="nofollow" class="external text" href="https://books.google.com/?id=QagG_KI7Ll8C"><i>Large Scale Structure of space time</i></a>. Cambridge University Press. <a href="/wiki/%EA%B5%AD%EC%A0%9C_%ED%91%9C%EC%A4%80_%EB%8F%84%EC%84%9C_%EB%B2%88%ED%98%B8" class="mw-redirect" title="국제 표준 도서 번호">ISBN</a> <a href="/wiki/%ED%8A%B9%EC%88%98:%EC%B1%85%EC%B0%BE%EA%B8%B0/0-521-09906-4" title="특수:책찾기/0-521-09906-4"><bdi>0-521-09906-4</bdi></a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=Large+Scale+Structure+of+space+time&rft.pub=Cambridge+University+Press&rft.date=1973&rft.isbn=0-521-09906-4&rft.aulast=Hawking&rft.aufirst=S.+W.&rft.au=Ellis%2C+G.+F.+R.&rft_id=https%3A%2F%2Fbooks.google.com%2F%3Fid%3DQagG_KI7Ll8C&rfr_id=info%3Asid%2Fko.wikipedia.org%3A%EB%B8%94%EB%9E%99%ED%99%80" class="Z3988"><span style="display:none;"> </span></span></li> <li><cite id="CITEREFMelia2007" class="citation book"><a href="/w/index.php?title=%ED%92%80%EB%B9%84%EC%98%A4_%EB%A9%9C%EB%A6%AC%EC%95%84&action=edit&redlink=1" class="new" title="풀비오 멜리아 (없는 문서)">Melia, Fulvio</a> (2007). <i>The Galactic Supermassive Black Hole</i>. Princeton U Press. <a href="/wiki/%EA%B5%AD%EC%A0%9C_%ED%91%9C%EC%A4%80_%EB%8F%84%EC%84%9C_%EB%B2%88%ED%98%B8" class="mw-redirect" title="국제 표준 도서 번호">ISBN</a> <a href="/wiki/%ED%8A%B9%EC%88%98:%EC%B1%85%EC%B0%BE%EA%B8%B0/978-0-691-13129-0" title="특수:책찾기/978-0-691-13129-0"><bdi>978-0-691-13129-0</bdi></a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=The+Galactic+Supermassive+Black+Hole&rft.pub=Princeton+U+Press&rft.date=2007&rft.isbn=978-0-691-13129-0&rft.aulast=Melia&rft.aufirst=Fulvio&rfr_id=info%3Asid%2Fko.wikipedia.org%3A%EB%B8%94%EB%9E%99%ED%99%80" class="Z3988"><span style="display:none;"> </span></span></li> <li><cite id="CITEREFMisnerThorneWheeler1973" class="citation book"><a href="/wiki/%ED%82%B5_%EC%86%90" title="킵 손">Misner, Charles</a>; <a href="/w/index.php?title=%EC%B0%B0%EC%8A%A4_W._%EB%A7%88%EC%9D%B4%EC%8A%A4%EB%84%88&action=edit&redlink=1" class="new" title="찰스 W. 마이스너 (없는 문서)">Thorne, Kip S.</a>; <a href="/wiki/%EC%A1%B4_%EC%95%84%EC%B9%98%EB%B3%BC%EB%93%9C_%ED%9C%A0%EB%9F%AC" title="존 아치볼드 휠러">Wheeler, John</a> (1973). <a rel="nofollow" class="external text" href="https://archive.org/details/gravitation0000misn"><i>Gravitation</i></a>. W. H. Freeman and Company. <a href="/wiki/%EA%B5%AD%EC%A0%9C_%ED%91%9C%EC%A4%80_%EB%8F%84%EC%84%9C_%EB%B2%88%ED%98%B8" class="mw-redirect" title="국제 표준 도서 번호">ISBN</a> <a href="/wiki/%ED%8A%B9%EC%88%98:%EC%B1%85%EC%B0%BE%EA%B8%B0/0-7167-0344-0" title="특수:책찾기/0-7167-0344-0"><bdi>0-7167-0344-0</bdi></a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=Gravitation&rft.pub=W.+H.+Freeman+and+Company&rft.date=1973&rft.isbn=0-7167-0344-0&rft.aulast=Misner&rft.aufirst=Charles&rft.au=Thorne%2C+Kip+S.&rft.au=Wheeler%2C+John&rft_id=https%3A%2F%2Farchive.org%2Fdetails%2Fgravitation0000misn&rfr_id=info%3Asid%2Fko.wikipedia.org%3A%EB%B8%94%EB%9E%99%ED%99%80" class="Z3988"><span style="display:none;"> </span></span></li> <li><cite id="CITEREFTaylorWheeler2000" class="citation book">Taylor, Edwin F.; <a href="/wiki/John_Archibald_Wheeler" class="mw-redirect" title="John Archibald Wheeler">Wheeler, John Archibald</a> (2000). <i>Exploring Black Holes</i>. Addison Wesley Longman. <a href="/wiki/%EA%B5%AD%EC%A0%9C_%ED%91%9C%EC%A4%80_%EB%8F%84%EC%84%9C_%EB%B2%88%ED%98%B8" class="mw-redirect" title="국제 표준 도서 번호">ISBN</a> <a href="/wiki/%ED%8A%B9%EC%88%98:%EC%B1%85%EC%B0%BE%EA%B8%B0/0-201-38423-X" title="특수:책찾기/0-201-38423-X"><bdi>0-201-38423-X</bdi></a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=Exploring+Black+Holes&rft.pub=Addison+Wesley+Longman&rft.date=2000&rft.isbn=0-201-38423-X&rft.aulast=Taylor&rft.aufirst=Edwin+F.&rft.au=Wheeler%2C+John+Archibald&rfr_id=info%3Asid%2Fko.wikipedia.org%3A%EB%B8%94%EB%9E%99%ED%99%80" class="Z3988"><span style="display:none;"> </span></span></li> <li><cite id="CITEREFWald1984" class="citation book"><a href="/w/index.php?title=%EB%A1%9C%EB%B2%84%ED%8A%B8_%EC%99%88%EB%93%9C&action=edit&redlink=1" class="new" title="로버트 왈드 (없는 문서)">Wald, Robert M.</a> (1984). <a rel="nofollow" class="external text" href="https://books.google.com/books?id=9S-hzg6-moYC"><i>General Relativity</i></a>. University of Chicago Press. <a href="/wiki/%EA%B5%AD%EC%A0%9C_%ED%91%9C%EC%A4%80_%EB%8F%84%EC%84%9C_%EB%B2%88%ED%98%B8" class="mw-redirect" title="국제 표준 도서 번호">ISBN</a> <a href="/wiki/%ED%8A%B9%EC%88%98:%EC%B1%85%EC%B0%BE%EA%B8%B0/978-0-226-87033-5" title="특수:책찾기/978-0-226-87033-5"><bdi>978-0-226-87033-5</bdi></a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=General+Relativity&rft.pub=University+of+Chicago+Press&rft.date=1984&rft.isbn=978-0-226-87033-5&rft.aulast=Wald&rft.aufirst=Robert+M.&rft_id=https%3A%2F%2Fbooks.google.com%2Fbooks%3Fid%3D9S-hzg6-moYC&rfr_id=info%3Asid%2Fko.wikipedia.org%3A%EB%B8%94%EB%9E%99%ED%99%80" class="Z3988"><span style="display:none;"> </span></span></li> <li><cite id="CITEREFWald1992" class="citation book">Wald, Robert M. (1992). <i>Space, Time, and Gravity: The Theory of the Big Bang and Black Holes</i>. University of Chicago Press. <a href="/wiki/%EA%B5%AD%EC%A0%9C_%ED%91%9C%EC%A4%80_%EB%8F%84%EC%84%9C_%EB%B2%88%ED%98%B8" class="mw-redirect" title="국제 표준 도서 번호">ISBN</a> <a href="/wiki/%ED%8A%B9%EC%88%98:%EC%B1%85%EC%B0%BE%EA%B8%B0/0-226-87029-4" title="특수:책찾기/0-226-87029-4"><bdi>0-226-87029-4</bdi></a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=Space%2C+Time%2C+and+Gravity%3A+The+Theory+of+the+Big+Bang+and+Black+Holes&rft.pub=University+of+Chicago+Press&rft.date=1992&rft.isbn=0-226-87029-4&rft.aulast=Wald&rft.aufirst=Robert+M.&rfr_id=info%3Asid%2Fko.wikipedia.org%3A%EB%B8%94%EB%9E%99%ED%99%80" class="Z3988"><span style="display:none;"> </span></span></li> <li><a rel="nofollow" class="external text" href="http://www.scholarpedia.org/article/Black_holes">Black holes</a> Teviet Creighton, <a href="/w/index.php?title=%EB%A6%AC%EC%B2%98%EB%93%9C_H._%ED%94%84%EB%9D%BC%EC%9D%B4%EC%8A%A4&action=edit&redlink=1" class="new" title="리처드 H. 프라이스 (없는 문서)">Richard H. Price</a> <a href="/wiki/Scholarpedia" class="mw-redirect" title="Scholarpedia">Scholarpedia</a> 3(1):4277. <a href="//doi.org/10.4249/scholarpedia.4277" class="extiw" title="doi:10.4249/scholarpedia.4277">doi:10.4249/scholarpedia.4277</a></li> <li><cite id="CITEREFGalloMarolf2009" class="citation journal">Gallo, Elena; Marolf, Donald (2009). “Resource Letter BH-2: Black Holes”. <i>American Journal of Physics</i> <b>77</b> (4): 294. <a href="/wiki/ArXiv" title="ArXiv">arXiv</a>:<a rel="nofollow" class="external text" href="//arxiv.org/abs/0806.2316">0806.2316</a>. <a href="/wiki/%EB%B9%84%EB%B8%8C%EC%BD%94%EB%93%9C" title="비브코드">Bibcode</a>:<a rel="nofollow" class="external text" href="http://adsabs.harvard.edu/abs/2009AmJPh..77..294G">2009AmJPh..77..294G</a>. <a href="/wiki/%EB%94%94%EC%A7%80%ED%84%B8_%EA%B0%9D%EC%B2%B4_%EC%8B%9D%EB%B3%84%EC%9E%90" title="디지털 객체 식별자">doi</a>:<a rel="nofollow" class="external text" href="https://dx.doi.org/10.1119%2F1.3056569">10.1119/1.3056569</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=American+Journal+of+Physics&rft.atitle=Resource+Letter+BH-2%3A+Black+Holes&rft.volume=77&rft.issue=4&rft.pages=294&rft.date=2009&rft_id=info%3Aarxiv%2F0806.2316&rft_id=info%3Adoi%2F10.1119%2F1.3056569&rft_id=info%3Abibcode%2F2009AmJPh..77..294G&rft.aulast=Gallo&rft.aufirst=Elena&rft.au=Marolf%2C+Donald&rfr_id=info%3Asid%2Fko.wikipedia.org%3A%EB%B8%94%EB%9E%99%ED%99%80" class="Z3988"><span style="display:none;"> </span></span></li> <li><cite class="citation arxiv">Hughes, Scott A. (2005). “Trust but verify: The case for astrophysical black holes”. <a href="/wiki/ArXiv" title="ArXiv">arXiv</a>:<a rel="nofollow" class="external text" href="//arxiv.org/abs/hep-ph/0511217">hep-ph/0511217</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=preprint&rft.jtitle=arXiv&rft.atitle=Trust+but+verify%3A+The+case+for+astrophysical+black+holes&rft.date=2005&rft_id=info%3Aarxiv%2Fhep-ph%2F0511217&rft.aulast=Hughes&rft.aufirst=Scott+A.&rfr_id=info%3Asid%2Fko.wikipedia.org%3A%EB%B8%94%EB%9E%99%ED%99%80" class="Z3988"><span style="display:none;"> </span></span> Lecture notes from 2005 <a href="/wiki/SLAC" class="mw-redirect" title="SLAC">SLAC</a> Summer Institute.</li></ul> </div> <div class="mw-heading mw-heading2"><h2 id="외부_링크"><span id=".EC.99.B8.EB.B6.80_.EB.A7.81.ED.81.AC"></span>외부 링크</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=%EB%B8%94%EB%9E%99%ED%99%80&action=edit&section=33" title="부분 편집: 외부 링크"><span>편집</span></a><span class="mw-editsection-bracket">]</span></span></div> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r38501082"><div class="side-box metadata side-box-right plainlinks"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r36480595"> <div class="side-box-flex"> <div class="side-box-image"><span typeof="mw:File"><span><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/4/4a/Commons-logo.svg/30px-Commons-logo.svg.png" decoding="async" width="30" height="40" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/4/4a/Commons-logo.svg/45px-Commons-logo.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/4/4a/Commons-logo.svg/59px-Commons-logo.svg.png 2x" data-file-width="1024" data-file-height="1376" /></span></span></div> <div class="side-box-text plainlist"><b><a href="/wiki/%EC%9C%84%ED%82%A4%EB%AF%B8%EB%94%94%EC%96%B4_%EA%B3%B5%EC%9A%A9" title="위키미디어 공용">위키미디어 공용</a></b>에 관련된<br />미디어 자료가 있습니다. <div style="padding-left:1em;"><b><a href="https://commons.wikimedia.org/wiki/Black_hole" class="extiw" title="commons:Black hole">블랙홀</a></b></div></div></div> </div> <ul><li><a rel="nofollow" class="external text" href="https://www.britannica.com/EBchecked/topic/b01g2320a">블랙홀</a> - <a href="/wiki/%EB%B8%8C%EB%A6%AC%ED%83%9C%EB%8B%88%EC%BB%A4_%EB%B0%B1%EA%B3%BC%EC%82%AC%EC%A0%84" title="브리태니커 백과사전">브리태니커 백과사전</a> (<a rel="nofollow" class="external text" href="http://100.daum.net/encyclopedia/view/b01g2320a">다음백과 미러</a>)</li> <li><a rel="nofollow" class="external text" href="http://www.doopedia.co.kr/doopedia/master/master.do?_method=view&MAS_IDX=101013000845424">블랙홀</a> - <a href="/wiki/%EB%91%90%EC%82%B0%EC%84%B8%EA%B3%84%EB%8C%80%EB%B0%B1%EA%B3%BC%EC%82%AC%EC%A0%84" title="두산세계대백과사전">두산세계대백과사전</a></li> <li><a href="/w/index.php?title=Stanford_Encyclopedia_of_Philosophy&action=edit&redlink=1" class="new" title="Stanford Encyclopedia of Philosophy (없는 문서)">Stanford Encyclopedia of Philosophy</a>: "<a rel="nofollow" class="external text" href="http://plato.stanford.edu/entries/spacetime-singularities/">Singularities and Black Holes</a>" by Erik Curiel and Peter Bokulich.</li> <li><a rel="nofollow" class="external text" href="http://hubblesite.org/explore_astronomy/black_holes/">Black Holes: Gravity's Relentless Pull</a>—Interactive multimedia Web site about the physics and astronomy of black holes from the Space Telescope Science Institute</li> <li><a rel="nofollow" class="external text" href="https://apod.nasa.gov/htmltest/gifcity/bh_pub_faq.html">Frequently Asked Questions (FAQs) on Black Holes</a></li> <li>"<a rel="nofollow" class="external text" href="https://web.archive.org/web/19980118051503/http://casa.colorado.edu/~ajsh/schwp.html">Schwarzschild Geometry</a>"</li> <li><a rel="nofollow" class="external text" href="https://web.archive.org/web/20121017061255/http://library.thinkquest.org/C007571/english/advance/core8.htm">Advanced Mathematics of Black Hole Evaporation</a></li> <li><a rel="nofollow" class="external text" href="http://hubblesite.org/explore_astronomy/black_holes/home.html">Hubble site</a></li></ul> <dl><dt>동영상</dt></dl> <ul><li><a rel="nofollow" class="external text" href="http://www.eso.org/public/videos/eso0846b/">16-year-long study tracks stars orbiting Milky Way black hole</a></li> <li><a rel="nofollow" class="external text" href="https://web.archive.org/web/20040925044354/http://www.mpe.mpg.de/ir/GC/index.php">Movie of Black Hole Candidate from Max Planck Institute</a></li> <li><a rel="nofollow" class="external text" href="http://www.nature.com/news/3d-simulations-of-colliding-black-holes-hailed-as-most-realistic-yet-1.17360">Nature.com 2015-04-20 3D simulations of colliding black holes</a></li> <li><a rel="nofollow" class="external text" href="https://www.bbc.com/news/science-environment-35524440">Computer visualisation of the signal detected by LIGO</a></li> <li><a rel="nofollow" class="external text" href="https://www.youtube.com/watch?v=I_88S8DWbcU">Two Black Holes Merge into One (based upon the signal GW150914</a></li></ul> <div class="navbox-styles"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r36480591"><style data-mw-deduplicate="TemplateStyles:r38501015">.mw-parser-output .navbox{box-sizing:border-box;border:1px solid #a2a9b1;width:100%;clear:both;font-size:88%;text-align:center;padding:1px;margin:1em auto 0}.mw-parser-output .navbox .navbox{margin-top:0}.mw-parser-output .navbox+.navbox,.mw-parser-output .navbox+.navbox-styles+.navbox{margin-top:-1px}.mw-parser-output .navbox-inner,.mw-parser-output .navbox-subgroup{width:100%}.mw-parser-output .navbox-group,.mw-parser-output .navbox-title,.mw-parser-output .navbox-abovebelow{padding:0.25em 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srcset="//upload.wikimedia.org/wikipedia/commons/thumb/4/4f/Black_hole_-_Messier_87_crop_max_res.jpg/225px-Black_hole_-_Messier_87_crop_max_res.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/4/4f/Black_hole_-_Messier_87_crop_max_res.jpg/300px-Black_hole_-_Messier_87_crop_max_res.jpg 2x" data-file-width="4320" data-file-height="4320" /></a></span></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">크기</th><td class="navbox-list-with-group navbox-list navbox-even hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/%EB%A7%88%EC%9D%B4%ED%81%AC%EB%A1%9C_%EB%B8%94%EB%9E%99%ED%99%80" title="마이크로 블랙홀">마이크로 블랙홀</a></li> <li><a href="/wiki/%EC%9E%84%EA%B3%84_%EB%B8%94%EB%9E%99%ED%99%80" title="임계 블랙홀">임계 블랙홀</a> <ul><li><a href="/w/index.php?title=%EB%B8%94%EB%9E%99%ED%99%80_%EC%A0%84%EC%9E%90&action=edit&redlink=1" class="new" title="블랙홀 전자 (없는 문서)">전자 블랙홀</a></li></ul></li> <li><a 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style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/%ED%95%AD%EC%84%B1%EC%A7%84%ED%99%94" title="항성진화">항성진화</a></li> <li><a href="/wiki/%EC%A4%91%EB%A0%A5%EB%B6%95%EA%B4%B4" title="중력붕괴">중력붕괴</a></li> <li><a href="/wiki/%EC%A4%91%EC%84%B1%EC%9E%90%EB%B3%84" title="중성자별">중성자별</a></li> <li><a href="/wiki/%EB%B0%80%EC%A7%91%EC%84%B1" title="밀집성">밀집성</a> <ul><li><a href="/wiki/%EC%BF%BC%ED%81%AC%EB%B3%84" title="쿼크별">쿼크별</a></li> <li><a href="/w/index.php?title=%ED%8A%B9%EC%9D%B4%EC%84%B1&action=edit&redlink=1" class="new" title="특이성 (없는 문서)">특이성</a></li></ul></li> <li><a href="/wiki/%ED%86%A8%EB%A7%8C-%EC%98%A4%ED%8E%9C%ED%95%98%EC%9D%B4%EB%A8%B8-%EB%B3%BC%EC%BD%94%ED%94%84_%ED%95%9C%EA%B3%84" title="톨만-오펜하이머-볼코프 한계">톨만-오펜하이머-볼코프 한계</a></li> <li><a href="/wiki/%EB%B0%B1%EC%83%89%EC%99%9C%EC%84%B1" title="백색왜성">백색왜성</a></li> <li><a href="/wiki/%EC%B4%88%EC%8B%A0%EC%84%B1" title="초신성">초신성</a></li> <li><a href="/wiki/%EA%B7%B9%EC%B4%88%EC%8B%A0%EC%84%B1" title="극초신성">극초신성</a></li> <li><a href="/wiki/%EA%B0%90%EB%A7%88%EC%84%A0%ED%8F%AD%EB%B0%9C" class="mw-redirect" title="감마선폭발">감마선폭발</a></li> <li><a href="/wiki/%EC%97%91%EC%8A%A4%EC%84%A0_%EC%8C%8D%EC%84%B1" title="엑스선 쌍성">엑스선 쌍성</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">성질</th><td class="navbox-list-with-group navbox-list navbox-even hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/%EB%B8%94%EB%9E%99%ED%99%80_%EC%97%B4%EC%97%AD%ED%95%99" title="블랙홀 열역학">블랙홀 열역학</a></li> <li><a href="/wiki/%EC%8A%88%EB%B0%94%EB%A5%B4%EC%B8%A0%EC%8B%A4%ED%8A%B8_%EB%B0%98%EC%A7%80%EB%A6%84" title="슈바르츠실트 반지름">슈바르츠실트 반지름</a></li> <li><a href="/wiki/M-%EC%8B%9C%EA%B7%B8%EB%A7%88_%EA%B4%80%EA%B3%84" title="M-시그마 관계">M-시그마 관계</a></li> <li><a href="/wiki/%EC%82%AC%EA%B1%B4%EC%9D%98_%EC%A7%80%ED%8F%89%EC%84%A0" title="사건의 지평선">사건의 지평선</a></li> <li><a href="/w/index.php?title=%EC%A4%80%EC%A3%BC%EA%B8%B0%EC%A0%81_%EC%A7%84%EB%8F%99&action=edit&redlink=1" class="new" title="준주기적 진동 (없는 문서)">준주기적 진동</a></li> <li><a href="/wiki/%EA%B4%91%EC%9E%90%EA%B5%AC" title="광자구">광자구</a></li> <li><a href="/wiki/%EC%9E%91%EC%9A%A9%EA%B6%8C" title="작용권">작용권</a> <ul><li><a href="/wiki/%ED%8E%9C%EB%A1%9C%EC%A6%88_%EA%B3%BC%EC%A0%95" title="펜로즈 과정">펜로즈 과정</a></li> <li><a href="/wiki/%EB%B8%94%EB%9E%9C%ED%8F%AC%EB%93%9C-%EC%A6%88%EB%82%98%EC%9D%B4%EC%97%91_%EA%B3%BC%EC%A0%95" title="블랜포드-즈나이엑 과정">블랜포드-즈나이엑 과정</a></li></ul></li> <li><a href="/wiki/%ED%98%B8%ED%82%B9_%EB%B3%B5%EC%82%AC" title="호킹 복사">호킹 복사</a></li> <li><a href="/wiki/%EA%B0%95%EC%B0%A9%EC%9B%90%EB%B0%98" title="강착원반">강착원반</a></li> <li><a href="/wiki/%EB%B3%B8%EB%94%94_%EA%B0%95%EC%B0%A9" title="본디 강착">본디 강착</a></li> <li><a href="/wiki/%EA%B5%AD%EC%88%98%ED%9A%A8%EA%B3%BC" title="국수효과">국수효과</a></li> <li><a href="/wiki/%EC%A4%91%EB%A0%A5%EB%A0%8C%EC%A6%88" title="중력렌즈">중력렌즈</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">모형</th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/%EC%A4%91%EB%A0%A5_%ED%8A%B9%EC%9D%B4%EC%A0%90" title="중력 특이점">중력 특이점</a> <ul><li><a href="/wiki/%ED%8E%9C%EB%A1%9C%EC%A6%88%E2%80%93%ED%98%B8%ED%82%B9_%ED%8A%B9%EC%9D%B4%EC%A0%90_%EC%A0%95%EB%A6%AC" title="펜로즈–호킹 특이점 정리">펜로즈–호킹 특이점 정리</a></li></ul></li> <li><a href="/wiki/%EC%9B%90%EC%8B%9C_%EB%B8%94%EB%9E%99%ED%99%80" title="원시 블랙홀">원시 블랙홀</a></li> <li><a href="/wiki/%EA%B7%B8%EB%9D%BC%EB%B0%94%EC%8A%A4%ED%83%80" title="그라바스타">그라바스타</a></li> <li><a href="/wiki/%EC%96%B4%EB%91%91%EB%B3%84" title="어둑별">어둑별</a></li> <li><a href="/w/index.php?title=%EC%95%94%ED%9D%91%EC%97%90%EB%84%88%EC%A7%80%EB%B3%84&action=edit&redlink=1" class="new" title="암흑에너지별 (없는 문서)">암흑에너지별</a></li> <li><a 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href="/w/index.php?title=%EA%B3%A0%EB%A6%AC_%ED%8A%B9%EC%9D%B4%EC%A0%90&action=edit&redlink=1" class="new" title="고리 특이점 (없는 문서)">고리 특이점</a></li> <li><a href="/w/index.php?title=%EC%9E%84%EB%AF%B8%EB%A5%B4%EC%A7%80_%EB%B3%80%EC%88%98&action=edit&redlink=1" class="new" title="임미르지 변수 (없는 문서)">임미르지 변수</a></li> <li><a href="/w/index.php?title=%EB%A7%89_%ED%8C%A8%EB%9F%AC%EB%8B%A4%EC%9E%84&action=edit&redlink=1" class="new" title="막 패러다임 (없는 문서)">막 패러다임</a></li> <li><a href="/w/index.php?title=%EA%B5%AC%EC%A0%84%EA%B4%91_(%EC%B2%9C%EC%B2%B4%EB%AC%BC%EB%A6%AC%ED%95%99)&action=edit&redlink=1" class="new" title="구전광 (천체물리학) (없는 문서)">구전광</a></li> <li><a href="/wiki/%EC%9B%9C%ED%99%80" title="웜홀">웜홀</a></li> <li><a href="/wiki/%EC%A4%80%EC%84%B1" class="mw-redirect" title="준성">준성</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">관련 주제</th><td class="navbox-list-with-group navbox-list navbox-even hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/%ED%84%B8%EC%97%86%EC%9D%8C_%EC%A0%95%EB%A6%AC" title="털없음 정리">털없음 정리</a></li> <li><a href="/wiki/%EB%B8%94%EB%9E%99%ED%99%80_%EC%A0%95%EB%B3%B4_%EC%97%AD%EC%84%A4" title="블랙홀 정보 역설">블랙홀 정보 역설</a></li> <li><a href="/wiki/%EC%9A%B0%EC%A3%BC_%EA%B2%80%EC%97%B4_%EA%B0%80%EC%84%A4" title="우주 검열 가설">우주 검열 가설</a></li> <li><a href="/w/index.php?title=%EB%B9%84%ED%8A%B9%EC%9D%B4%EC%A0%90_%EB%B8%94%EB%9E%99%ED%99%80_%EB%AA%A8%ED%98%95&action=edit&redlink=1" class="new" title="비특이점 블랙홀 모형 (없는 문서)">비특이점 블랙홀 모형</a></li> <li><a href="/wiki/%ED%99%80%EB%A1%9C%EA%B7%B8%EB%9E%98%ED%94%BC_%EC%9B%90%EB%A6%AC" title="홀로그래피 원리">홀로그래피 원리</a></li> <li><a href="/w/index.php?title=%EB%B8%94%EB%9E%99%ED%99%80_%EC%83%81%EB%B3%B4%EC%84%B1&action=edit&redlink=1" class="new" title="블랙홀 상보성 (없는 문서)">블랙홀 상보성</a></li> <li><a href="/w/index.php?title=%EB%B8%94%EB%9E%99%ED%99%80_%EB%B0%A9%ED%99%94%EB%B2%BD&action=edit&redlink=1" class="new" title="블랙홀 방화벽 (없는 문서)">방화벽</a></li> <li><a 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navbox-even hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/w/index.php?title=%EB%B8%94%EB%9E%99%ED%99%80_%EB%AA%A9%EB%A1%9D&action=edit&redlink=1" class="new" title="블랙홀 목록 (없는 문서)">블랙홀 목록</a></li> <li><a href="/w/index.php?title=%EC%A7%88%EB%9F%89_%EC%88%9C_%EB%B8%94%EB%9E%99%ED%99%80_%EB%AA%A9%EB%A1%9D&action=edit&redlink=1" class="new" title="질량 순 블랙홀 목록 (없는 문서)">질량 순 블랙홀 목록</a></li> <li><a href="/w/index.php?title=%EA%B1%B0%EB%A6%AC_%EC%88%9C_%EB%B8%94%EB%9E%99%ED%99%80_%EB%AA%A9%EB%A1%9D&action=edit&redlink=1" class="new" title="거리 순 블랙홀 목록 (없는 문서)">거리 순 블랙홀 목록</a></li> <li><a href="/w/index.php?title=%ED%80%98%EC%9D%B4%EC%82%AC_%EB%AA%A9%EB%A1%9D&action=edit&redlink=1" class="new" title="퀘이사 목록 (없는 문서)">퀘이사 목록</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">관련 항목</th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/w/index.php?title=%EB%B8%94%EB%9E%99%ED%99%80_%EB%AC%BC%EB%A6%AC%ED%95%99_%EC%97%B0%ED%91%9C&action=edit&redlink=1" class="new" title="블랙홀 물리학 연표 (없는 문서)">블랙홀 물리학 연표</a></li> <li><a href="/w/index.php?title=%EB%A1%9C%EC%8B%9C_%EC%97%91%EC%8A%A4%EC%84%A0_%ED%83%80%EC%9D%B4%EB%B0%8D_%ED%83%90%EC%82%AC%EC%84%A0&action=edit&redlink=1" class="new" title="로시 엑스선 타이밍 탐사선 (없는 문서)">로시 엑스선 타이밍 탐사선</a></li> <li><a href="/w/index.php?title=%EC%B4%88%EB%B0%80%EC%A7%91%ED%95%AD%EC%84%B1%EA%B3%84&action=edit&redlink=1" class="new" title="초밀집항성계 (없는 문서)">초밀집항성계</a></li> <li><a href="/w/index.php?title=%EB%B8%94%EB%9E%99%ED%99%80_%EC%9A%B0%EC%A3%BC%EC%84%A0&action=edit&redlink=1" class="new" title="블랙홀 우주선 (없는 문서)">블랙홀 우주선</a></li></ul> </div></td></tr></tbody></table></div> <div class="navbox-styles"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r36480591"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r38501015"></div><div role="navigation" class="navbox" aria-labelledby="상대론" style="padding:3px"><table class="nowraplinks mw-collapsible mw-collapsed navbox-inner" style="border-spacing:0;background:transparent;color:inherit"><tbody><tr><th scope="col" class="navbox-title" colspan="3" style="text-align:center;"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r36480591"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r38585741"><div class="navbar plainlinks hlist navbar-mini"><ul><li class="nv-보기"><a href="/wiki/%ED%8B%80:%EC%83%81%EB%8C%80%EB%A1%A0" title="틀:상대론"><abbr title="이 틀을 보기" style="text-align:center;;;background:none transparent;border:none;box-shadow:none;padding:0;">v</abbr></a></li><li class="nv-토론"><a href="/w/index.php?title=%ED%8B%80%ED%86%A0%EB%A1%A0:%EC%83%81%EB%8C%80%EB%A1%A0&action=edit&redlink=1" class="new" title="틀토론:상대론 (없는 문서)"><abbr title="이 틀에 관해 토론하기" style="text-align:center;;;background:none transparent;border:none;box-shadow:none;padding:0;">t</abbr></a></li><li class="nv-편집"><a href="/wiki/%ED%8A%B9%EC%88%98:%EB%AC%B8%EC%84%9C%ED%8E%B8%EC%A7%91/%ED%8B%80:%EC%83%81%EB%8C%80%EB%A1%A0" title="특수:문서편집/틀:상대론"><abbr title="이 틀을 편집하기" style="text-align:center;;;background:none transparent;border:none;box-shadow:none;padding:0;">e</abbr></a></li></ul></div><div id="상대론" style="font-size:114%;margin:0 4em"><a href="/wiki/%EC%83%81%EB%8C%80%EC%84%B1_%EC%9D%B4%EB%A1%A0" class="mw-redirect" title="상대성 이론">상대론</a></div></th></tr><tr><th scope="row" class="navbox-group" style="text-align:center;;width:1%"><a href="/wiki/%ED%8A%B9%EC%88%98_%EC%83%81%EB%8C%80%EC%84%B1%EC%9D%B4%EB%A1%A0" title="특수 상대성이론">특수<br />상대론</a></th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:6em;text-align:center;">배경</th><td class="navbox-list-with-group navbox-list navbox-odd" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/%EC%83%81%EB%8C%80%EC%84%B1_%EC%9B%90%EB%A6%AC" title="상대성 원리">상대성 원리</a> (<a href="/wiki/%EA%B0%88%EB%A6%B4%EB%A0%88%EC%9D%B4_%EB%B6%88%EB%B3%80%EC%84%B1" title="갈릴레이 불변성">갈릴레이 상대론</a></li> <li><a href="/wiki/%EA%B0%88%EB%A6%B4%EB%A0%88%EC%9D%B4_%EA%B5%B0" title="갈릴레이 군">갈릴레이 군</a>)</li> <li><a href="/wiki/%ED%8A%B9%EC%88%98_%EC%83%81%EB%8C%80%EC%84%B1%EC%9D%B4%EB%A1%A0" title="특수 상대성이론">특수 상대성이론</a></li> <li><a href="https://en.wikipedia.org/wiki/Doubly_special_relativity" class="extiw" title="w:Doubly special relativity">이중 특수 상대성이론(doubly special relativity)</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:6em;text-align:center;">근본<br />개념</th><td class="navbox-list-with-group navbox-list navbox-even" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/%EA%B8%B0%EC%A4%80%ED%8B%80" title="기준틀">기준틀</a></li> <li><a href="/wiki/%EB%B9%9B%EC%9D%98_%EC%86%8D%EB%A0%A5" title="빛의 속력">빛의 속력</a></li> <li><a href="https://en.wikipedia.org/wiki/Hyperbolic_orthogonality" class="extiw" title="w:Hyperbolic orthogonality">쌍곡선 직교성(hyperbolic orthogonality)</a></li> <li><a href="/wiki/%EC%8B%A0%EC%86%8D%EB%8F%84" title="신속도">신속도</a></li> <li><a href="/wiki/%EB%A7%A5%EC%8A%A4%EC%9B%B0_%EB%B0%A9%EC%A0%95%EC%8B%9D" title="맥스웰 방정식">맥스웰 방정식</a></li> <li><a href="/wiki/%EA%B3%A0%EC%9C%A0_%EA%B8%B8%EC%9D%B4" title="고유 길이">고유 길이</a></li> <li><a href="/wiki/%EA%B3%A0%EC%9C%A0_%EC%8B%9C%EA%B0%84" title="고유 시간">고유 시간</a></li> <li><a href="https://en.wikipedia.org/wiki/Mass_in_special_relativity" class="extiw" title="w:Mass in special relativity">상대론적 질량(relativistic mass)</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:6em;text-align:center;">공식화</th><td class="navbox-list-with-group navbox-list navbox-odd" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/%EB%A1%9C%EB%9F%B0%EC%B8%A0_%EB%B3%80%ED%99%98" title="로런츠 변환">로런츠 변환</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:6em;text-align:center;">현상</th><td class="navbox-list-with-group navbox-list navbox-even" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/%EC%8B%9C%EA%B0%84_%ED%8C%BD%EC%B0%BD" title="시간 팽창">시간 팽창</a></li> <li><a href="/wiki/%EC%A7%88%EB%9F%89-%EC%97%90%EB%84%88%EC%A7%80_%EB%93%B1%EA%B0%80" title="질량-에너지 등가">질량-에너지 등가</a></li> <li><a href="/wiki/%EA%B8%B8%EC%9D%B4_%EC%88%98%EC%B6%95" title="길이 수축">길이 수축</a></li> <li><a href="/wiki/%EB%8F%99%EC%8B%9C%EC%84%B1%EC%9D%98_%EC%83%81%EB%8C%80%EC%84%B1" title="동시성의 상대성">동시성의 상대성</a></li> <li><a href="https://en.wikipedia.org/wiki/Relativistic_Doppler_effect" class="extiw" title="w:Relativistic Doppler effect">상대론적 도플러 효과</a></li> <li><a href="https://en.wikipedia.org/wiki/Thomas_precession" class="extiw" title="w:Thomas precession">토마스 세차운동(Thomas precession)</a></li> <li><a href="https://en.wikipedia.org/wiki/Ladder_paradox" class="extiw" title="w:Ladder paradox">사다리 역설(ladder paradox)</a></li> <li><a href="/wiki/%EC%8C%8D%EB%91%A5%EC%9D%B4_%EC%97%AD%EC%84%A4" title="쌍둥이 역설">쌍둥이 역설</a></li> <li><a href="/wiki/%ED%85%8C%EB%A0%90_%ED%9A%8C%EC%A0%84" title="테렐 회전">테렐 회전</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:6em;text-align:center;"><a href="/wiki/%EC%8B%9C%EA%B3%B5%EA%B0%84" title="시공간">시공간</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/%EA%B4%91%EC%B6%94" title="광추">광추</a></li> <li><a href="/wiki/%EC%84%B8%EA%B3%84%EC%84%A0" title="세계선">세계선</a></li> <li><a href="https://en.wikipedia.org/wiki/Minkowski_diagram" class="extiw" title="w:Minkowski diagram">민코프스키 다이아그램(Minkowski diagram)</a></li> <li><a href="https://en.wikipedia.org/wiki/Biquaternion" class="extiw" title="w:Biquaternion">쌍사원수(biquaternion)</a></li> <li><a href="/wiki/%EB%AF%BC%EC%BD%94%ED%94%84%EC%8A%A4%ED%82%A4_%EA%B3%B5%EA%B0%84" title="민코프스키 공간">민코프스키 공간</a></li></ul> </div></td></tr></tbody></table><div></div></td><td class="noviewer navbox-image" rowspan="3" style="width:1px;padding:0 0 0 2px"><div><span typeof="mw:File"><a href="/wiki/%ED%8C%8C%EC%9D%BC:Spacetime_curvature.png" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/2/22/Spacetime_curvature.png/150px-Spacetime_curvature.png" decoding="async" width="150" height="66" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/2/22/Spacetime_curvature.png/225px-Spacetime_curvature.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/2/22/Spacetime_curvature.png/300px-Spacetime_curvature.png 2x" data-file-width="660" data-file-height="291" /></a></span></div></td></tr><tr><th scope="row" class="navbox-group" style="text-align:center;;width:1%"><a href="/wiki/%EC%9D%BC%EB%B0%98_%EC%83%81%EB%8C%80%EC%84%B1%EC%9D%B4%EB%A1%A0" title="일반 상대성이론">일반<br />상대론</a></th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:6em;text-align:center;">배경</th><td class="navbox-list-with-group navbox-list navbox-even" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/%EC%9D%BC%EB%B0%98%EC%83%81%EB%8C%80%EB%A1%A0_%EA%B0%9C%EB%A1%A0" title="일반상대론 개론">개론</a></li> <li><a href="https://en.wikipedia.org/wiki/Mathematics_of_general_relativity" class="extiw" title="w:Mathematics of general relativity">수학적 공식화(mathematical formulation)</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:6em;text-align:center;">근본<br />개념</th><td class="navbox-list-with-group navbox-list navbox-odd" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/%EB%93%B1%EA%B0%80_%EC%9B%90%EB%A6%AC" class="mw-redirect" title="등가 원리">등가 원리</a></li> <li><a href="/wiki/%EB%A6%AC%EB%A7%8C_%EA%B8%B0%ED%95%98%ED%95%99" title="리만 기하학">리만 기하학</a></li> <li><a href="/wiki/%ED%8E%9C%EB%A1%9C%EC%A6%88_%EA%B7%B8%EB%A6%BC" title="펜로즈 그림">펜로즈 그림</a></li> <li><a href="https://en.wikipedia.org/wiki/Geodesics_in_general_relativity" class="extiw" title="w:Geodesics in general relativity">측지선(geodesics)</a></li> <li><a href="/wiki/%EB%A7%88%ED%9D%90%EC%9D%98_%EC%9B%90%EB%A6%AC" title="마흐의 원리">마흐의 원리</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:6em;text-align:center;">공식화</th><td class="navbox-list-with-group navbox-list navbox-even" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/ADM_%ED%98%95%EC%8B%9D" title="ADM 형식">ADM 형식</a></li> <li><a href="/wiki/BSSN_%ED%98%95%EC%8B%9D%ED%99%94" title="BSSN 형식화">BSSN 형식화</a></li> <li><a href="/wiki/%EC%95%84%EC%9D%B8%EC%8A%88%ED%83%80%EC%9D%B8_%EB%B0%A9%EC%A0%95%EC%8B%9D" title="아인슈타인 방정식">아인슈타인 방정식</a></li> <li><a href="/wiki/%ED%94%BC%EC%97%90%EB%A5%B4%EC%B8%A0-%ED%8C%8C%EC%9A%B8%EB%A6%AC_%EC%9E%91%EC%9A%A9" title="피에르츠-파울리 작용">선형화 중력</a></li> <li><a href="https://en.wikipedia.org/wiki/Parameterized_post-Newtonian_formalism" class="extiw" title="w:Parameterized post-Newtonian formalism">포스트 뉴톤 형식주의(post-Newtonian formalism)</a></li> <li><a href="https://en.wikipedia.org/wiki/Raychaudhuri_equation" class="extiw" title="w:Raychaudhuri equation">레이쇼두리 방정식</a></li> <li><a href="https://en.wikipedia.org/wiki/Hamilton%E2%80%93Jacobi%E2%80%93Einstein_equation" class="extiw" title="w:Hamilton–Jacobi–Einstein equation">해밀턴-자코비-아이슈타인 방정식(Hamilton–Jacobi–Einstein equation)</a></li> <li><a href="/wiki/%EC%97%90%EB%A5%B8%EC%8A%A4%ED%8A%B8_%EB%B0%A9%EC%A0%95%EC%8B%9D" title="에른스트 방정식">에른스트 방정식</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:6em;text-align:center;">현상</th><td class="navbox-list-with-group navbox-list navbox-odd" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/%EB%B8%94%EB%9E%99_%ED%99%80" class="mw-redirect" title="블랙 홀">블랙 홀</a></li> <li><a href="/wiki/%EC%82%AC%EA%B1%B4_%EC%A7%80%ED%8F%89%EC%84%A0" class="mw-redirect" title="사건 지평선">사건 지평선</a></li> <li><a href="/wiki/%EC%A4%91%EB%A0%A5_%ED%8A%B9%EC%9D%B4%EC%A0%90" title="중력 특이점">특이점</a></li> <li><a href="https://en.wikipedia.org/wiki/Two-body_problem_in_general_relativity" class="extiw" title="w:Two-body problem in general relativity">이체 문제(two-body problem)</a></li> <li><a href="/wiki/%EC%A4%91%EB%A0%A5%ED%8C%8C" title="중력파">중력파</a>: <a href="https://en.wikipedia.org/wiki/Gravitational-wave_astronomy" class="extiw" title="w:Gravitational-wave astronomy">천문학(astronomy)</a></li> <li><a href="https://en.wikipedia.org/wiki/Gravitational-wave_observatory" class="extiw" title="w:Gravitational-wave observatory">탐지기(detectors)</a> (<a href="/wiki/LIGO" class="mw-redirect" title="LIGO">LIGO</a>와 <a href="https://en.wikipedia.org/wiki/LIGO_Scientific_Collaboration" class="extiw" title="w:LIGO Scientific Collaboration">협업(collaboration)</a></li> <li><a href="/wiki/VIRGO_%EA%B0%84%EC%84%AD%EA%B3%84" title="VIRGO 간섭계">Virgo</a></li> <li><a href="https://en.wikipedia.org/wiki/LISA_Pathfinder" class="extiw" title="w:LISA Pathfinder">LISA 패스파인더(LISA Pathfinder)</a></li> <li><a href="https://en.wikipedia.org/wiki/GEO600" class="extiw" title="w:GEO600">GEO</a>)</li> <li><a href="https://en.wikipedia.org/wiki/Hulse%E2%80%93Taylor_binary" class="extiw" title="w:Hulse–Taylor binary">Hulse–Taylor 쌍성(Hulse–Taylor binary)</a></li> <li><a href="https://en.wikipedia.org/wiki/Tests_of_general_relativity" class="extiw" title="w:Tests of general relativity">기타 테스트(other tests)</a>: 수성의 <a href="https://en.wikipedia.org/wiki/Apsidal_precession" class="extiw" title="w:Apsidal precession">세차운동</a></li> <li><a href="/wiki/%EC%A4%91%EB%A0%A5_%EB%A0%8C%EC%A6%88" class="mw-redirect" title="중력 렌즈">중력 렌즈</a> (<a href="/wiki/%EC%95%84%EC%9D%B8%EC%8A%88%ED%83%80%EC%9D%B8_%EC%8B%AD%EC%9E%90%EA%B0%80" title="아인슈타인 십자가">아인슈타인 십자가</a> 및 <a href="/wiki/%EC%95%84%EC%9D%B8%EC%8A%88%ED%83%80%EC%9D%B8_%EA%B3%A0%EB%A6%AC" title="아인슈타인 고리">아인슈타인 고리</a>와 함께)</li> <li><a href="/wiki/%EC%A4%91%EB%A0%A5%EC%A0%81%EC%83%89%ED%8E%B8%EC%9D%B4" title="중력적색편이">적색편이</a></li> <li><a href="https://en.wikipedia.org/wiki/Shapiro_time_delay" class="extiw" title="w:Shapiro time delay">샤피로 지연(Shapiro delay)</a></li> <li><a href="/wiki/%ED%8B%80_%EB%81%8C%EB%A6%BC" title="틀 끌림">틀 끌림</a> / <a href="https://en.wikipedia.org/wiki/geodetic_effect" class="extiw" title="w:geodetic effect">측지 효과(geodetic effect)</a> (<a href="https://en.wikipedia.org/wiki/Lense%E2%80%93Thirring_precession" class="extiw" title="w:Lense–Thirring precession">렌스-티링 세차 운동(Lense–Thirring precession)</a>)</li> <li><a href="https://en.wikipedia.org/wiki/pulsar_timing_array" class="extiw" title="w:pulsar timing array">펄서 타이밍 어레이(pulsar timing array)</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:6em;text-align:center;">고급<br />이론</th><td class="navbox-list-with-group navbox-list navbox-even" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/%EB%B8%8C%EB%9E%9C%EC%8A%A4-%EB%94%95_%EC%9D%B4%EB%A1%A0" title="브랜스-딕 이론">브랜스-딕 이론</a></li> <li><a href="/wiki/%EC%B9%BC%EB%A3%A8%EC%B0%A8%E2%80%93%ED%81%B4%EB%A0%88%EC%9D%B8_%EC%9D%B4%EB%A1%A0" title="칼루차–클레인 이론">칼루차–클레인</a></li> <li><a href="/wiki/%EC%96%91%EC%9E%90_%EC%A4%91%EB%A0%A5" title="양자 중력">양자 중력</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:6em;text-align:center;"><a href="/wiki/%EC%9D%BC%EB%B0%98_%EC%83%81%EB%8C%80%EC%84%B1_%EC%9D%B4%EB%A1%A0%EC%9D%98_%EC%97%84%EB%B0%80_%ED%95%B4" title="일반 상대성 이론의 엄밀 해">해</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="padding:0"><div style="padding:0 0.25em"> <ul><li>우주론적 해: <a href="/wiki/%ED%94%84%EB%A6%AC%EB%93%9C%EB%A7%8C-%EB%A5%B4%EB%A9%94%ED%8A%B8%EB%A5%B4-%EB%A1%9C%EB%B2%84%ED%8A%B8%EC%8A%A8-%EC%9B%8C%EC%BB%A4_%EA%B3%84%EB%9F%89" title="프리드만-르메트르-로버트슨-워커 계량">프리드만-르메트르-로버트슨-워커</a> (<a href="/wiki/%ED%94%84%EB%A6%AC%EB%93%9C%EB%A7%8C_%EB%B0%A9%EC%A0%95%EC%8B%9D" title="프리드만 방정식">프리드만 방정식</a>)</li> <li><a href="/wiki/%EB%A5%B4%EB%A9%94%ED%8A%B8%EB%A5%B4-%ED%86%A8%EB%A8%BC_%EA%B3%84%EB%9F%89" title="르메트르-톨먼 계량">르메트르-톨만</a></li> <li><a href="/wiki/%EC%B9%B4%EC%8A%A4%EB%84%88_%EA%B3%84%EB%9F%89" title="카스너 계량">카스너</a></li> <li><a href="https://en.wikipedia.org/wiki/BKL_singularity" class="extiw" title="w:BKL singularity">BKL 특이점(BKL singularity)</a></li> <li><a href="/wiki/%EA%B4%B4%EB%8D%B8_%EA%B3%84%EB%9F%89" title="괴델 계량">괴델</a></li> <li><a href="/wiki/%EB%B0%80%EB%A5%B8_%EB%AA%A8%EB%8D%B8" title="밀른 모델">밀른</a></li> <li>구체 해: <a href="/wiki/%EC%8A%88%EB%B0%94%EB%A5%B4%EC%B8%A0%EC%8B%A4%ED%8A%B8_%EA%B3%84%EB%9F%89" title="슈바르츠실트 계량">슈바르츠실트</a> (<a href="https://en.wikipedia.org/wiki/Interior_Schwarzschild_metric" class="extiw" title="w:Interior Schwarzschild metric">인테리어(interior)</a></li> <li><a href="https://en.wikipedia.org/wiki/Tolman%E2%80%93Oppenheimer%E2%80%93Volkoff_equation" class="extiw" title="w:Tolman–Oppenheimer–Volkoff equation">톨만-오펜하이머-볼코프 방정식(Tolman–Oppenheimer–Volkoff equation)</a>)</li> <li><a href="/wiki/%EB%9D%BC%EC%9D%B4%EC%8A%A4%EB%84%88-%EB%85%B8%EB%A5%B4%EB%93%9C%EC%8A%A4%ED%8A%B8%EB%A3%80_%EA%B3%84%EB%9F%89" title="라이스너-노르드스트룀 계량">라이스너-노르드스트룀</a></li> <li>선대칭 해: <a href="/wiki/%EC%BB%A4_%EA%B3%84%EB%9F%89" title="커 계량">커</a> (<a href="/wiki/%EC%BB%A4-%EB%89%B4%EB%A8%BC_%EA%B3%84%EB%9F%89" title="커-뉴먼 계량">커-뉴먼</a>)</li> <li><a href="https://en.wikipedia.org/wiki/Weyl%E2%88%92Lewis%E2%88%92Papapetrou_coordinates" class="extiw" title="w:Weyl−Lewis−Papapetrou coordinates">바일-루이스-파파페트로(Weyl−Lewis−Papapetrou)</a></li> <li><a href="/wiki/%ED%86%A0%EB%B8%8C-%EB%84%88%ED%8A%B8_%EA%B3%B5%EA%B0%84" title="토브-너트 공간">토브-너트</a></li> <li><a href="https://en.wikipedia.org/wiki/van_Stockum_dust" class="extiw" title="w:van Stockum dust">반스토쿰 먼지(van Stockum dust)</a></li> <li><a href="/wiki/%EC%83%81%EB%8C%80%EB%A1%A0%EC%A0%81_%EC%9B%90%EB%B0%98" title="상대론적 원반">상대론적 원반</a></li></ul> <ul><li>기타 해: <a href="https://en.wikipedia.org/wiki/pp-wave_spacetime" class="extiw" title="w:pp-wave spacetime">pp 파(pp-wave)</a></li> <li><a href="https://en.wikipedia.org/wiki/Ozsv%C3%A1th%E2%80%93Sch%C3%BCcking_metric" class="extiw" title="w:Ozsváth–Schücking metric">오즈바트-슈킹(Ozsváth–Schücking)</a></li> <li><a href="/wiki/%EC%95%8C%ED%81%90%EB%B9%84%EC%97%90%EB%A0%88_%EB%93%9C%EB%9D%BC%EC%9D%B4%EB%B8%8C" title="알큐비에레 드라이브">알큐비에레(Alcubierre)</a></li></ul> <ul><li>전산 물리학에서: <a href="https://en.wikipedia.org/wiki/Numerical_relativity" class="extiw" title="w:Numerical relativity">수치적 상대성(numerical relativity)</a></li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="text-align:center;;width:1%">과학자</th><td class="navbox-list-with-group navbox-list navbox-even hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/%EC%95%99%EB%A6%AC_%ED%91%B8%EC%95%B5%EC%B9%B4%EB%A0%88" title="앙리 푸앵카레">푸앵카레</a></li> <li><a href="/wiki/%ED%97%A8%EB%93%9C%EB%A6%AD_%EB%A1%9C%EB%9F%B0%EC%B8%A0" title="헨드릭 로런츠">로런츠</a></li> <li><a href="/wiki/%EC%95%8C%EB%B2%A0%EB%A5%B4%ED%8A%B8_%EC%95%84%EC%9D%B8%EC%8A%88%ED%83%80%EC%9D%B8" title="알베르트 아인슈타인">아인슈타인</a></li> <li><a href="/wiki/%EB%8B%A4%EB%B9%84%ED%8A%B8_%ED%9E%90%EB%B2%A0%EB%A5%B4%ED%8A%B8" title="다비트 힐베르트">힐베르트</a></li> <li><a href="/wiki/%EC%B9%B4%EB%A5%BC_%EC%8A%88%EB%B0%94%EB%A5%B4%EC%B8%A0%EC%8B%A4%ED%8A%B8" title="카를 슈바르츠실트">슈바르츠실트</a></li> <li><a href="/wiki/%EB%B9%8C%EB%9F%BC_%EB%8D%94_%EC%8B%9C%ED%84%B0%EB%A5%B4" class="mw-redirect" title="빌럼 더 시터르">더 시터르</a></li> <li><a href="/wiki/%ED%97%A4%EB%A5%B4%EB%A7%8C_%EB%B0%94%EC%9D%BC" title="헤르만 바일">바일</a></li> <li><a href="/wiki/%EC%95%84%EC%84%9C_%EC%8A%A4%ED%83%A0%EB%A6%AC_%EC%97%90%EB%94%A9%ED%84%B4" title="아서 스탠리 에딩턴">에딩턴</a></li> <li><a href="/wiki/%EC%95%8C%EB%A0%89%EC%82%B0%EB%93%9C%EB%A5%B4_%ED%94%84%EB%A6%AC%EB%93%9C%EB%A7%8C" title="알렉산드르 프리드만">프리드만</a></li> <li><a href="/wiki/%EC%A1%B0%EB%A5%B4%EC%A3%BC_%EB%A5%B4%EB%A9%94%ED%8A%B8%EB%A5%B4" title="조르주 르메트르">르메트르</a></li> <li><a href="/w/index.php?title=%EC%97%90%EB%93%9C%EC%9B%8C%EB%93%9C_%EC%95%84%EC%84%9C_%EB%B0%80%EB%A5%B8&action=edit&redlink=1" class="new" title="에드워드 아서 밀른 (없는 문서)">밀른</a></li> <li><a href="https://en.wikipedia.org/wiki/Howard_P._Robertson" class="extiw" title="w:Howard P. Robertson">로버트슨(Robertson)</a></li> <li><a href="/wiki/%EC%88%98%EB%B8%8C%EB%9D%BC%EB%A7%88%EB%8B%88%EC%95%88_%EC%B0%AC%EB%93%9C%EB%9D%BC%EC%84%B8%EC%B9%B4%EB%A5%B4" title="수브라마니안 찬드라세카르">찬드라세카르</a></li> <li><a href="/wiki/%ED%94%84%EB%A6%AC%EC%B8%A0_%EC%B8%A0%EB%B9%84%ED%82%A4" title="프리츠 츠비키">츠비키</a></li> <li><a href="/wiki/%EC%A1%B4_%EC%95%84%EC%B9%98%EB%B3%BC%EB%93%9C_%ED%9C%A0%EB%9F%AC" title="존 아치볼드 휠러">휠러</a></li> <li><a href="https://en.wikipedia.org/wiki/Yvonne_Choquet-Bruhat" class="extiw" title="w:Yvonne Choquet-Bruhat">쇼케 브루야(Choquet-Bruhat)</a></li> <li><a href="/wiki/%EB%A1%9C%EC%9D%B4_%EC%BB%A4" title="로이 커">커</a></li> <li><a href="/wiki/%EC%95%BC%EC%BD%94%ED%94%84_%EC%A0%A4%EB%8F%84%EB%B9%84%EC%B9%98" title="야코프 젤도비치">젤도비치</a></li> <li><a href="/wiki/%EC%9D%B4%EA%B3%A0%EB%A6%AC_%EB%93%9C%EB%AF%B8%ED%8A%B8%EB%A6%AC%EC%98%88%EB%B9%84%EC%B9%98_%EB%85%B8%EB%B9%84%EC%BD%94%ED%94%84" title="이고리 드미트리예비치 노비코프">노비코프</a></li> <li><a href="/wiki/%EC%9C%84%EB%A5%B4%EA%B2%90_%EC%97%98%EB%9F%AC%EC%8A%A4" title="위르겐 엘러스">엘러스</a></li> <li><a href="https://en.wikipedia.org/wiki/Robert_Geroch" class="extiw" title="w:Robert Geroch">게록(Geroch)</a></li> <li><a href="/wiki/%EB%A1%9C%EC%A0%80_%ED%8E%9C%EB%A1%9C%EC%A6%88" title="로저 펜로즈">펜로즈</a></li> <li><a href="/wiki/%EC%8A%A4%ED%8B%B0%EB%B8%90_%ED%98%B8%ED%82%B9" title="스티븐 호킹">호킹</a></li> <li><a href="https://en.wikipedia.org/wiki/Joseph_Hooton_Taylor_Jr." class="extiw" title="w:Joseph Hooton Taylor Jr.">테일러(Taylor)</a></li> <li><a href="/wiki/%EB%9F%AC%EC%85%80_%EC%95%A8%EB%9F%B0_%ED%97%90%EC%8A%A4" title="러셀 앨런 헐스">헐스</a></li> <li><a href="/wiki/%ED%97%A4%EB%A5%B4%EB%A7%8C_%EB%B3%B8%EB%94%94" title="헤르만 본디">본디</a></li> <li><a href="/wiki/%EC%B0%B0%EC%8A%A4_%EB%AF%B8%EC%8A%A4%EB%84%88" class="mw-redirect" title="찰스 미스너">미스너</a></li> <li><a href="/wiki/%EC%95%BC%EC%9A%B0%EC%8B%B1%ED%89%81" title="야우싱퉁">야우</a></li> <li><a href="/wiki/%ED%82%B5_%EC%86%90" title="킵 손">손</a></li> <li><a href="/wiki/%EB%9D%BC%EC%9D%B4%EB%84%88_%EB%B0%94%EC%9D%B4%EC%8A%A4" title="라이너 바이스">바이스</a></li> <li><a href="https://en.wikipedia.org/wiki/List_of_contributors_to_general_relativity" class="extiw" title="w:List of contributors to general relativity">기타</a></li></ul> </div></td></tr><tr><td class="navbox-abovebelow" colspan="3" style="text-align:center;"><div><span typeof="mw:File"><span title="분류"><img alt="분류" src="//upload.wikimedia.org/wikipedia/commons/thumb/4/48/Folder_Hexagonal_Icon.svg/16px-Folder_Hexagonal_Icon.svg.png" decoding="async" width="16" height="14" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/4/48/Folder_Hexagonal_Icon.svg/24px-Folder_Hexagonal_Icon.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/4/48/Folder_Hexagonal_Icon.svg/32px-Folder_Hexagonal_Icon.svg.png 2x" data-file-width="36" data-file-height="31" /></span></span> <a href="/wiki/%EB%B6%84%EB%A5%98:%EC%83%81%EB%8C%80%EC%84%B1%EC%9D%B4%EB%A1%A0" title="분류:상대성이론">분류</a></div></td></tr></tbody></table></div> <div class="navbox-styles"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r36480591"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r38501015"></div><div role="navigation" class="navbox authority-control" aria-labelledby="전거_통제_frameless&#124;text-top&#124;10px&#124;alt=위키데이터에서_편집하기&#124;link=https&#58;//www.wikidata.org/wiki/Q589#identifiers&#124;class=noprint&#124;위키데이터에서_편집하기" style="padding:3px"><table class="nowraplinks hlist mw-collapsible autocollapse navbox-inner" style="border-spacing:0;background:transparent;color:inherit"><tbody><tr><th scope="col" class="navbox-title" colspan="2"><div id="전거_통제_frameless&#124;text-top&#124;10px&#124;alt=위키데이터에서_편집하기&#124;link=https&#58;//www.wikidata.org/wiki/Q589#identifiers&#124;class=noprint&#124;위키데이터에서_편집하기" style="font-size:114%;margin:0 4em"><a href="/wiki/%EC%9C%84%ED%82%A4%EB%B0%B1%EA%B3%BC:%EC%A0%84%EA%B1%B0_%ED%86%B5%EC%A0%9C" title="위키백과:전거 통제">전거 통제</a> <span class="mw-valign-text-top noprint" typeof="mw:File/Frameless"><a href="https://www.wikidata.org/wiki/Q589#identifiers" title="위키데이터에서 편집하기"><img alt="위키데이터에서 편집하기" src="//upload.wikimedia.org/wikipedia/commons/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/10px-OOjs_UI_icon_edit-ltr-progressive.svg.png" decoding="async" width="10" height="10" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/15px-OOjs_UI_icon_edit-ltr-progressive.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/20px-OOjs_UI_icon_edit-ltr-progressive.svg.png 2x" data-file-width="20" data-file-height="20" /></a></span></div></th></tr><tr><th scope="row" class="navbox-group" style="width:1%">국제</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><span class="uid"><a rel="nofollow" class="external text" href="http://id.worldcat.org/fast/1744720/">FAST</a></span></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">국가</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><span class="uid"><a rel="nofollow" class="external text" href="http://catalogo.bne.es/uhtbin/authoritybrowse.cgi?action=display&authority_id=XX528239">스페인</a></span></li> <li><span class="uid"><a rel="nofollow" class="external text" href="https://catalogue.bnf.fr/ark:/12148/cb11933630s">프랑스</a></span></li> <li><span class="uid"><a rel="nofollow" class="external text" href="https://data.bnf.fr/ark:/12148/cb11933630s">BnF 데이터</a></span></li> <li><span class="uid"><a rel="nofollow" class="external text" href="https://d-nb.info/gnd/4053793-6">독일</a></span></li> <li><span class="uid"><a rel="nofollow" class="external text" href="http://uli.nli.org.il/F/?func=find-b&local_base=NLX10&find_code=UID&request=987007283120105171">이스라엘</a></span></li> <li><span class="uid"><a rel="nofollow" class="external text" href="https://id.loc.gov/authorities/sh85014574">미국</a></span></li> <li><span class="uid"><a rel="nofollow" class="external text" href="https://id.ndl.go.jp/auth/ndlna/00561056">일본</a></span></li> <li><span class="uid"><abbr title="černé díry"><a rel="nofollow" class="external text" href="https://aleph.nkp.cz/F/?func=find-c&local_base=aut&ccl_term=ica=ph128097&CON_LNG=ENG">체코</a></abbr></span></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">기타</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><span class="uid"><a rel="nofollow" class="external text" href="https://www.idref.fr/027253430">IdRef</a></span></li></ul> </div></td></tr></tbody></table></div> 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Rendering was triggered because: page-view --> </div><!--esi <esi:include src="/esitest-fa8a495983347898/content" /> --><noscript><img src="https://login.wikimedia.org/wiki/Special:CentralAutoLogin/start?useformat=desktop&type=1x1&usesul3=0" alt="" width="1" height="1" style="border: none; position: absolute;"></noscript> <div class="printfooter" data-nosnippet="">원본 주소 "<a dir="ltr" href="https://ko.wikipedia.org/w/index.php?title=블랙홀&oldid=38464706">https://ko.wikipedia.org/w/index.php?title=블랙홀&oldid=38464706</a>"</div></div> <div id="catlinks" class="catlinks" data-mw="interface"><div id="mw-normal-catlinks" class="mw-normal-catlinks"><a href="/wiki/%ED%8A%B9%EC%88%98:%EB%B6%84%EB%A5%98" title="특수:분류">분류</a>: <ul><li><a href="/wiki/%EB%B6%84%EB%A5%98:%EB%AC%BC%EB%A6%AC%ED%95%99%EC%9D%98_%EB%AF%B8%ED%95%B4%EA%B2%B0_%EB%AC%B8%EC%A0%9C" title="분류:물리학의 미해결 문제">물리학의 미해결 문제</a></li><li><a href="/wiki/%EB%B6%84%EB%A5%98:%EB%B8%94%EB%9E%99%ED%99%80" title="분류:블랙홀">블랙홀</a></li><li><a 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id="ca-ve-edit-sticky-header" tabindex="-1" data-event-name="ve-edit-sticky-header"><span class="vector-icon mw-ui-icon-wikimedia-edit mw-ui-icon-wikimedia-wikimedia-edit"></span> <span></span> </a> <a href="#" class="cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only" id="ca-viewsource-sticky-header" tabindex="-1" data-event-name="ve-edit-protected-sticky-header"><span class="vector-icon mw-ui-icon-wikimedia-editLock mw-ui-icon-wikimedia-wikimedia-editLock"></span> <span></span> </a> </div> <div class="vector-sticky-header-buttons"> <button class="cdx-button cdx-button--weight-quiet mw-interlanguage-selector" id="p-lang-btn-sticky-header" tabindex="-1" data-event-name="ui.dropdown-p-lang-btn-sticky-header"><span class="vector-icon mw-ui-icon-wikimedia-language mw-ui-icon-wikimedia-wikimedia-language"></span> <span>174개 언어</span> </button> <a href="#" class="cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--action-progressive" id="ca-addsection-sticky-header" tabindex="-1" data-event-name="addsection-sticky-header"><span class="vector-icon mw-ui-icon-speechBubbleAdd-progressive mw-ui-icon-wikimedia-speechBubbleAdd-progressive"></span> <span>새 주제</span> </a> </div> <div class="vector-sticky-header-icon-end"> <div class="vector-user-links"> </div> </div> </div> </div> </div> <div class="vector-settings" id="p-dock-bottom"> <ul></ul> </div><script>(RLQ=window.RLQ||[]).push(function(){mw.config.set({"wgHostname":"mw-web.codfw.main-6b978bcf59-8qwpp","wgBackendResponseTime":144,"wgPageParseReport":{"limitreport":{"cputime":"1.354","walltime":"1.707","ppvisitednodes":{"value":10696,"limit":1000000},"postexpandincludesize":{"value":396990,"limit":2097152},"templateargumentsize":{"value":3950,"limit":2097152},"expansiondepth":{"value":11,"limit":100},"expensivefunctioncount":{"value":25,"limit":500},"unstrip-depth":{"value":1,"limit":20},"unstrip-size":{"value":267585,"limit":5000000},"entityaccesscount":{"value":1,"limit":400},"timingprofile":["100.00% 1321.821 1 -total"," 48.89% 646.295 2 틀:각주"," 22.03% 291.208 76 틀:저널_인용"," 10.27% 135.753 1 틀:일반상대론"," 10.23% 135.179 1 틀:위키데이터_속성_추적"," 10.10% 133.489 1 틀:Sidebar_with_collapsible_lists"," 8.96% 118.498 36 틀:서적_인용"," 8.19% 108.265 24 틀:Harvnb"," 4.10% 54.188 4 틀:둘러보기_상자"," 4.07% 53.823 1 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1,\n [\"CITEREFChouAndersonWatzke2015\"] = 1,\n [\"CITEREFDavies1978\"] = 1,\n [\"CITEREFDetweiler1981\"] = 1,\n [\"CITEREFDroste1917\"] = 1,\n [\"CITEREFDrozIsraelMorsink1996\"] = 1,\n [\"CITEREFEddington1926\"] = 1,\n [\"CITEREFEinstein1939\"] = 1,\n [\"CITEREFEmparanReall2008\"] = 1,\n [\"CITEREFFerguson1991\"] = 1,\n [\"CITEREFFerrareseMerritt2000\"] = 1,\n [\"CITEREFFichtelBertschDingusEsposito1994\"] = 1,\n [\"CITEREFFinkelstein1958\"] = 1,\n [\"CITEREFFord2003\"] = 1,\n [\"CITEREFFrolovNovikov1998\"] = 1,\n [\"CITEREFFrolovZelnikov2011\"] = 1,\n [\"CITEREFGalloMarolf2009\"] = 1,\n [\"CITEREFGhezKleinMorrisBecklin1998\"] = 1,\n [\"CITEREFGiddingsMangano2008\"] = 1,\n [\"CITEREFGiddingsThomas2002\"] = 1,\n [\"CITEREFGillessenEisenhauerTrippeAlexander2009\"] = 1,\n [\"CITEREFGillispie2000\"] = 1,\n [\"CITEREFHamade1996\"] = 1,\n [\"CITEREFHanssonSandin2005\"] = 1,\n [\"CITEREFHarada2006\"] = 1,\n [\"CITEREFHarpaz1994\"] = 1,\n [\"CITEREFHawking\"] = 1,\n [\"CITEREFHawking1971\"] = 1,\n [\"CITEREFHawking1974\"] = 1,\n [\"CITEREFHawking1988\"] = 1,\n [\"CITEREFHawkingEllis1973\"] = 1,\n [\"CITEREFHawkingPenrose1970\"] = 1,\n [\"CITEREFHawkingPenrose1996\"] = 1,\n [\"CITEREFHeusler1998\"] = 1,\n [\"CITEREFHewish1970\"] = 1,\n [\"CITEREFHewishBellPilkingtonScott1968\"] = 1,\n [\"CITEREFIsrael1967\"] = 1,\n [\"CITEREFIsrael1989\"] = 1,\n [\"CITEREFJohnsonFishDoelemanMarrone2015\"] = 1,\n [\"CITEREFKerr2009\"] = 1,\n [\"CITEREFKiefer2006\"] = 1,\n [\"CITEREFKing2003\"] = 1,\n [\"CITEREFKormendyRichstone1995\"] = 1,\n [\"CITEREFKovacsChengHarko2009\"] = 1,\n [\"CITEREFKox1992\"] = 1,\n [\"CITEREFKrauss2016\"] = 1,\n [\"CITEREFKrolik1999\"] = 1,\n [\"CITEREFKruskal1960\"] = 1,\n [\"CITEREFLHC_Safety_Assessment_Group\"] = 1,\n [\"CITEREFLewisKwan2007\"] = 1,\n [\"CITEREFMcClintockRemillard2006\"] = 1,\n [\"CITEREFMcClintockShafeeNarayanRemillard2006\"] = 1,\n [\"CITEREFMelia2003\"] = 2,\n [\"CITEREFMelia2007\"] = 1,\n [\"CITEREFMichell1784\"] = 1,\n [\"CITEREFMisnerThorneWheeler1973\"] = 1,\n [\"CITEREFNaeye\"] = 1,\n [\"CITEREFNarayanMcClintock2008\"] = 1,\n [\"CITEREFNemiroff1993\"] = 1,\n [\"CITEREFNewmanCouchChinnaparedExton1965\"] = 1,\n [\"CITEREFNittaChibaSugiyama2011\"] = 1,\n [\"CITEREFO\u0026#039;LearyRasioFregeauIvanova2006\"] = 1,\n [\"CITEREFO\u0026#039;Neill2015\"] = 1,\n [\"CITEREFObers2009\"] = 1,\n [\"CITEREFOldham,_L._J.Auger,_M._W.2016\"] = 1,\n [\"CITEREFOppenheimerVolkoff1939\"] = 1,\n [\"CITEREFOverbye2015\"] = 1,\n [\"CITEREFOverbye2016\"] = 1,\n [\"CITEREFPage2005\"] = 1,\n [\"CITEREFPalmer\"] = 1,\n [\"CITEREFPenrose1965\"] = 1,\n [\"CITEREFPenrose2002\"] = 1,\n [\"CITEREFPeskin2008\"] = 1,\n [\"CITEREFPickover1998\"] = 1,\n [\"CITEREFPilkingtonHewishBellCole1968\"] = 1,\n [\"CITEREFPoissonIsrael1990\"] = 1,\n [\"CITEREFQuinion2008\"] = 1,\n [\"CITEREFReesVolonteri2007\"] = 1,\n [\"CITEREFRobinson1975\"] = 1,\n [\"CITEREFRolston1997\"] = 1,\n [\"CITEREFRuffiniWheeler1971\"] = 1,\n [\"CITEREFSchutz2003\"] = 1,\n [\"CITEREFSchwarzschild1916\"] = 2,\n [\"CITEREFSeedsBackman2007\"] = 1,\n [\"CITEREFShapiroTeukolsky1983\"] = 1,\n [\"CITEREFShipmanYuDu1975\"] = 1,\n [\"CITEREFSkenderisTaylor2008\"] = 1,\n [\"CITEREFSparkeGallagher2000\"] = 1,\n [\"CITEREFStromingerVafa1996\"] = 1,\n [\"CITEREFTaylorWheeler2000\"] = 1,\n [\"CITEREFThorne1994\"] = 1,\n [\"CITEREFThornePrice1986\"] = 1,\n [\"CITEREFVenkataraman1992\"] = 1,\n [\"CITEREFVesperiniMcMilland\u0026#039;Ercoled\u0026#039;Antona2010\"] = 1,\n [\"CITEREFWald1984\"] = 1,\n [\"CITEREFWald1992\"] = 1,\n [\"CITEREFWald2001\"] = 1,\n [\"CITEREFWebsterMurdin1972\"] = 1,\n [\"CITEREFWheeler2007\"] = 1,\n [\"CITEREFWinterMushotzkyReynolds2006\"] = 1,\n [\"CITEREFZwartBaumgardtHutMakino2004\"] = 1,\n}\ntemplate_list = table#1 {\n [\"ArXiv 인용\"] = 3,\n [\"Harvnb\"] = 24,\n [\"Image frame\"] = 1,\n [\"Llang\"] = 1,\n [\"M\"] = 1,\n [\"Refn\"] = 2,\n [\"Val\"] = 1,\n [\"각주\"] = 2,\n [\"뉴스 인용\"] = 7,\n [\"다른 뜻\"] = 1,\n [\"두피디아\"] = 1,\n [\"미해결\"] = 1,\n [\"본문\"] = 12,\n [\"브리태니커\"] = 1,\n [\"블랙홀\"] = 1,\n [\"상대론\"] = 1,\n [\"서적 인용\"] = 36,\n [\"웹 인용\"] = 18,\n [\"위키공용\"] = 1,\n [\"위키낱말사전\"] = 1,\n [\"위키데이터 속성 추적\"] = 1,\n [\"인용문2\"] = 1,\n [\"일반상대론\"] = 1,\n [\"저널 인용\"] = 76,\n [\"전거 통제\"] = 1,\n [\"좋은 글\"] = 1,\n [\"참고\"] = 2,\n [\"참고 자료 끝\"] = 2,\n [\"참고 자료 시작\"] = 2,\n [\"콘퍼런스 인용\"] = 3,\n [\"태양질량\"] = 22,\n}\narticle_whitelist = table#1 {\n}\n"},"cachereport":{"origin":"mw-web.eqiad.main-8687d7f5d8-ntd2z","timestamp":"20250218021417","ttl":2592000,"transientcontent":false}}});});</script> <script type="application/ld+json">{"@context":"https:\/\/schema.org","@type":"Article","name":"\ube14\ub799\ud640","url":"https:\/\/ko.wikipedia.org\/wiki\/%EB%B8%94%EB%9E%99%ED%99%80","sameAs":"http:\/\/www.wikidata.org\/entity\/Q589","mainEntity":"http:\/\/www.wikidata.org\/entity\/Q589","author":{"@type":"Organization","name":"\uc704\ud0a4\ubbf8\ub514\uc5b4 \ud504\ub85c\uc81d\ud2b8 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