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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="//donate.wikimedia.org/wiki/Special:FundraiserRedirector?utm_source=donate&utm_medium=sidebar&utm_campaign=C13_no.wikipedia.org&uselang=nb" class=""><span>Doner</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=Spesial:Opprett_konto&returnto=Sort+hull" title="Du oppfordres til å opprette en konto og logge inn, men det er ikke obligatorisk" class=""><span>Opprett konto</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=Spesial:Logg_inn&returnto=Sort+hull" title="Du oppfordres til å logge inn, men det er ikke obligatorisk [o]" 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data-feature-name="toc-pinned" data-pinnable-element-id="vector-toc" > <h2 class="vector-pinnable-header-label">Innhold</h2> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-toc.pin">flytt til sidefeltet</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-toc.unpin">skjul</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">(Til toppen)</div> </a> </li> <li id="toc-Historie" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Historie"> <div class="vector-toc-text"> <span class="vector-toc-numb">1</span> <span>Historie</span> </div> </a> <button aria-controls="toc-Historie-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>Vis/skjul underseksjonen Historie</span> </button> <ul id="toc-Historie-sublist" class="vector-toc-list"> <li id="toc-Den_generelle_relativitetsteorien" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Den_generelle_relativitetsteorien"> <div class="vector-toc-text"> <span class="vector-toc-numb">1.1</span> <span>Den generelle relativitetsteorien</span> </div> </a> <ul id="toc-Den_generelle_relativitetsteorien-sublist" class="vector-toc-list"> </ul> </li> </ul> </li> <li id="toc-Rådende_teorier_om_sorte_hull" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Rådende_teorier_om_sorte_hull"> <div class="vector-toc-text"> <span class="vector-toc-numb">2</span> <span>Rådende teorier om sorte hull</span> </div> </a> <ul id="toc-Rådende_teorier_om_sorte_hull-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Referanser" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Referanser"> <div class="vector-toc-text"> <span class="vector-toc-numb">3</span> <span>Referanser</span> </div> </a> <ul id="toc-Referanser-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Litteratur" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Litteratur"> <div class="vector-toc-text"> <span class="vector-toc-numb">4</span> <span>Litteratur</span> </div> </a> <ul id="toc-Litteratur-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Eksterne_lenker" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Eksterne_lenker"> <div class="vector-toc-text"> <span class="vector-toc-numb">5</span> <span>Eksterne lenker</span> </div> </a> <ul id="toc-Eksterne_lenker-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="Innhold" class="vector-toc-landmark"> <div id="vector-page-titlebar-toc" class="vector-dropdown vector-page-titlebar-toc vector-button-flush-left" > <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="Vis/skjul innholdsfortegnelsen" > <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">Vis/skjul innholdsfortegnelsen</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">Sort hull</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="Gå til en artikkel på et annet språk. Tilgjengelig på 171 språk" > <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-171" 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">171 språk</span> </label> <div class="vector-dropdown-content"> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="interlanguage-link interwiki-nn mw-list-item"><a href="https://nn.wikipedia.org/wiki/Svart_h%C3%B2l" title="Svart hòl – norsk nynorsk" lang="nn" hreflang="nn" data-title="Svart hòl" data-language-autonym="Norsk nynorsk" data-language-local-name="norsk nynorsk" class="interlanguage-link-target"><span>Norsk nynorsk</span></a></li><li class="interlanguage-link interwiki-da mw-list-item"><a href="https://da.wikipedia.org/wiki/Sort_hul" title="Sort hul – dansk" lang="da" hreflang="da" data-title="Sort hul" data-language-autonym="Dansk" data-language-local-name="dansk" class="interlanguage-link-target"><span>Dansk</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 – svensk" lang="sv" hreflang="sv" data-title="Svart hål" data-language-autonym="Svenska" data-language-local-name="svensk" class="interlanguage-link-target"><span>Svenska</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 – færøysk" lang="fo" hreflang="fo" data-title="Svørt hol" data-language-autonym="Føroyskt" data-language-local-name="færøysk" class="interlanguage-link-target"><span>Føroyskt</span></a></li><li class="interlanguage-link interwiki-is mw-list-item"><a href="https://is.wikipedia.org/wiki/Svarthol" title="Svarthol – islandsk" lang="is" hreflang="is" data-title="Svarthol" data-language-autonym="Íslenska" data-language-local-name="islandsk" class="interlanguage-link-target"><span>Íslenska</span></a></li><li class="interlanguage-link interwiki-af mw-list-item"><a href="https://af.wikipedia.org/wiki/Swartkolk" title="Swartkolk – afrikaans" lang="af" hreflang="af" data-title="Swartkolk" data-language-autonym="Afrikaans" data-language-local-name="afrikaans" 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 – sveitsertysk" lang="gsw" hreflang="gsw" data-title="Schwarzes Loch" data-language-autonym="Alemannisch" data-language-local-name="sveitsertysk" class="interlanguage-link-target"><span>Alemannisch</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 – angika" lang="anp" hreflang="anp" data-title="कृष्ण विवर" data-language-autonym="अंगिका" data-language-local-name="angika" 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 – arabisk" lang="ar" hreflang="ar" data-title="ثقب أسود" data-language-autonym="العربية" data-language-local-name="arabisk" class="interlanguage-link-target"><span>العربية</span></a></li><li class="interlanguage-link interwiki-an mw-list-item"><a href="https://an.wikipedia.org/wiki/Forato_negro" title="Forato negro – aragonsk" lang="an" hreflang="an" data-title="Forato negro" data-language-autonym="Aragonés" data-language-local-name="aragonsk" class="interlanguage-link-target"><span>Aragonés</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 – vestarmensk" lang="hyw" hreflang="hyw" data-title="Սեւ խոռոչ" data-language-autonym="Արեւմտահայերէն" data-language-local-name="vestarmensk" class="interlanguage-link-target"><span>Արեւմտահայերէն</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 – assamesisk" lang="as" hreflang="as" data-title="কৃষ্ণগহ্বৰ" data-language-autonym="অসমীয়া" data-language-local-name="assamesisk" 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 – asturisk" lang="ast" hreflang="ast" data-title="Furacu negru" data-language-autonym="Asturianu" data-language-local-name="asturisk" class="interlanguage-link-target"><span>Asturianu</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 – guarani" lang="gn" hreflang="gn" data-title="Kuára hũ" data-language-autonym="Avañe'ẽ" data-language-local-name="guarani" class="interlanguage-link-target"><span>Avañe'ẽ</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 – aserbajdsjansk" lang="az" hreflang="az" data-title="Qara dəlik" data-language-autonym="Azərbaycanca" data-language-local-name="aserbajdsjansk" 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 – søraserbajdsjansk" lang="azb" hreflang="azb" data-title="قارادلیک" data-language-autonym="تۆرکجه" data-language-local-name="søraserbajdsjansk" class="interlanguage-link-target"><span>تۆرکجه</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 – bengali" lang="bn" hreflang="bn" data-title="কৃষ্ণগহ্বর" data-language-autonym="বাংলা" data-language-local-name="bengali" class="interlanguage-link-target"><span>বাংলা</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-zh-min-nan mw-list-item"><a href="https://zh-min-nan.wikipedia.org/wiki/O%CD%98-khang" title="O͘-khang – minnan" lang="nan" hreflang="nan" data-title="O͘-khang" data-language-autonym="閩南語 / Bân-lâm-gú" data-language-local-name="minnan" class="interlanguage-link-target"><span>閩南語 / Bân-lâm-gú</span></a></li><li class="interlanguage-link interwiki-ba badge-Q17437796 badge-featuredarticle mw-list-item" title="utmerket artikkel-merke"><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 – basjkirsk" lang="ba" hreflang="ba" data-title="Ҡара упҡын" data-language-autonym="Башҡортса" data-language-local-name="basjkirsk" class="interlanguage-link-target"><span>Башҡортса</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 – belarusisk" lang="be" hreflang="be" data-title="Чорная дзірка" data-language-autonym="Беларуская" data-language-local-name="belarusisk" 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 – belarusisk (klassisk ortografi)" lang="be-tarask" hreflang="be-tarask" data-title="Чорная дзірка" data-language-autonym="Беларуская (тарашкевіца)" data-language-local-name="belarusisk (klassisk ortografi)" class="interlanguage-link-target"><span>Беларуская (тарашкевіца)</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 – bihari" lang="bh" hreflang="bh" data-title="ब्लैक होल" data-language-autonym="भोजपुरी" data-language-local-name="bihari" class="interlanguage-link-target"><span>भोजपुरी</span></a></li><li class="interlanguage-link interwiki-bcl mw-list-item"><a href="https://bcl.wikipedia.org/wiki/Black_Hole" title="Black Hole – sentralbikol" lang="bcl" hreflang="bcl" data-title="Black Hole" data-language-autonym="Bikol Central" data-language-local-name="sentralbikol" class="interlanguage-link-target"><span>Bikol Central</span></a></li><li class="interlanguage-link interwiki-bg badge-Q17437796 badge-featuredarticle mw-list-item" title="utmerket artikkel-merke"><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 – bulgarsk" lang="bg" hreflang="bg" data-title="Черна дупка" data-language-autonym="Български" data-language-local-name="bulgarsk" class="interlanguage-link-target"><span>Български</span></a></li><li class="interlanguage-link interwiki-bar mw-list-item"><a href="https://bar.wikipedia.org/wiki/Schwoaz_Loch" title="Schwoaz Loch – bairisk" lang="bar" hreflang="bar" data-title="Schwoaz Loch" data-language-autonym="Boarisch" data-language-local-name="bairisk" class="interlanguage-link-target"><span>Boarisch</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་། – tibetansk" lang="bo" hreflang="bo" data-title="ནག་ཁུང་།" data-language-autonym="བོད་ཡིག" data-language-local-name="tibetansk" class="interlanguage-link-target"><span>བོད་ཡིག</span></a></li><li class="interlanguage-link interwiki-bs mw-list-item"><a href="https://bs.wikipedia.org/wiki/Crna_rupa" title="Crna rupa – bosnisk" lang="bs" hreflang="bs" data-title="Crna rupa" data-language-autonym="Bosanski" data-language-local-name="bosnisk" class="interlanguage-link-target"><span>Bosanski</span></a></li><li class="interlanguage-link interwiki-br mw-list-item"><a href="https://br.wikipedia.org/wiki/Toull_du" title="Toull du – bretonsk" lang="br" hreflang="br" data-title="Toull du" data-language-autonym="Brezhoneg" data-language-local-name="bretonsk" class="interlanguage-link-target"><span>Brezhoneg</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 – burjatisk" lang="bxr" hreflang="bxr" data-title="Хара нүхэн" data-language-autonym="Буряад" data-language-local-name="burjatisk" 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 – katalansk" lang="ca" hreflang="ca" data-title="Forat negre" data-language-autonym="Català" data-language-local-name="katalansk" class="interlanguage-link-target"><span>Català</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 – tsjuvasjisk" lang="cv" hreflang="cv" data-title="Хура хăвăл" data-language-autonym="Чӑвашла" data-language-local-name="tsjuvasjisk" class="interlanguage-link-target"><span>Чӑвашла</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 – tsjekkisk" lang="cs" hreflang="cs" data-title="Černá díra" data-language-autonym="Čeština" data-language-local-name="tsjekkisk" class="interlanguage-link-target"><span>Čeština</span></a></li><li class="interlanguage-link interwiki-co mw-list-item"><a href="https://co.wikipedia.org/wiki/Buccu_neru" title="Buccu neru – korsikansk" lang="co" hreflang="co" data-title="Buccu neru" data-language-autonym="Corsu" data-language-local-name="korsikansk" class="interlanguage-link-target"><span>Corsu</span></a></li><li class="interlanguage-link interwiki-cy mw-list-item"><a href="https://cy.wikipedia.org/wiki/Twll_du" title="Twll du – walisisk" lang="cy" hreflang="cy" data-title="Twll du" data-language-autonym="Cymraeg" data-language-local-name="walisisk" class="interlanguage-link-target"><span>Cymraeg</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 – marokkansk-arabisk" lang="ary" hreflang="ary" data-title="محفر كحل" data-language-autonym="الدارجة" data-language-local-name="marokkansk-arabisk" class="interlanguage-link-target"><span>الدارجة</span></a></li><li class="interlanguage-link interwiki-de mw-list-item"><a href="https://de.wikipedia.org/wiki/Schwarzes_Loch" title="Schwarzes Loch – tysk" lang="de" hreflang="de" data-title="Schwarzes Loch" data-language-autonym="Deutsch" data-language-local-name="tysk" class="interlanguage-link-target"><span>Deutsch</span></a></li><li class="interlanguage-link interwiki-et mw-list-item"><a href="https://et.wikipedia.org/wiki/Must_auk" title="Must auk – estisk" lang="et" hreflang="et" data-title="Must auk" data-language-autonym="Eesti" data-language-local-name="estisk" class="interlanguage-link-target"><span>Eesti</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 – gresk" lang="el" hreflang="el" data-title="Μαύρη τρύπα" data-language-autonym="Ελληνικά" data-language-local-name="gresk" 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="anbefalt artikkel-merke"><a href="https://en.wikipedia.org/wiki/Black_hole" title="Black hole – engelsk" lang="en" hreflang="en" data-title="Black hole" data-language-autonym="English" data-language-local-name="engelsk" class="interlanguage-link-target"><span>English</span></a></li><li class="interlanguage-link interwiki-es mw-list-item"><a href="https://es.wikipedia.org/wiki/Agujero_negro" title="Agujero negro – spansk" lang="es" hreflang="es" data-title="Agujero negro" data-language-autonym="Español" data-language-local-name="spansk" class="interlanguage-link-target"><span>Español</span></a></li><li class="interlanguage-link interwiki-eo mw-list-item"><a href="https://eo.wikipedia.org/wiki/Nigra_truo" title="Nigra truo – esperanto" lang="eo" hreflang="eo" data-title="Nigra truo" data-language-autonym="Esperanto" data-language-local-name="esperanto" class="interlanguage-link-target"><span>Esperanto</span></a></li><li class="interlanguage-link interwiki-eu mw-list-item"><a href="https://eu.wikipedia.org/wiki/Zulo_beltz" title="Zulo beltz – baskisk" lang="eu" hreflang="eu" data-title="Zulo beltz" data-language-autonym="Euskara" data-language-local-name="baskisk" 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 – persisk" lang="fa" hreflang="fa" data-title="سیاه‌چاله" data-language-autonym="فارسی" data-language-local-name="persisk" class="interlanguage-link-target"><span>فارسی</span></a></li><li class="interlanguage-link interwiki-hif mw-list-item"><a href="https://hif.wikipedia.org/wiki/Karia_kund" title="Karia kund – fijiansk hindi" lang="hif" hreflang="hif" data-title="Karia kund" data-language-autonym="Fiji Hindi" data-language-local-name="fijiansk hindi" class="interlanguage-link-target"><span>Fiji Hindi</span></a></li><li class="interlanguage-link interwiki-fr mw-list-item"><a href="https://fr.wikipedia.org/wiki/Trou_noir" title="Trou noir – fransk" lang="fr" hreflang="fr" data-title="Trou noir" data-language-autonym="Français" data-language-local-name="fransk" class="interlanguage-link-target"><span>Français</span></a></li><li class="interlanguage-link interwiki-fy mw-list-item"><a href="https://fy.wikipedia.org/wiki/Swart_gat" title="Swart gat – vestfrisisk" lang="fy" hreflang="fy" data-title="Swart gat" data-language-autonym="Frysk" data-language-local-name="vestfrisisk" 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 – irsk" lang="ga" hreflang="ga" data-title="Dúpholl" data-language-autonym="Gaeilge" data-language-local-name="irsk" class="interlanguage-link-target"><span>Gaeilge</span></a></li><li class="interlanguage-link interwiki-gv mw-list-item"><a href="https://gv.wikipedia.org/wiki/Towl_doo" title="Towl doo – mansk" lang="gv" hreflang="gv" data-title="Towl doo" data-language-autonym="Gaelg" data-language-local-name="mansk" class="interlanguage-link-target"><span>Gaelg</span></a></li><li class="interlanguage-link interwiki-gd mw-list-item"><a href="https://gd.wikipedia.org/wiki/Toll_dubh" title="Toll dubh – skotsk-gælisk" lang="gd" hreflang="gd" data-title="Toll dubh" data-language-autonym="Gàidhlig" data-language-local-name="skotsk-gælisk" 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 – galisisk" lang="gl" hreflang="gl" data-title="Burato negro" data-language-autonym="Galego" data-language-local-name="galisisk" class="interlanguage-link-target"><span>Galego</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 – gujarati" lang="gu" hreflang="gu" data-title="કૃષ્ણ વિવર" data-language-autonym="ગુજરાતી" data-language-local-name="gujarati" class="interlanguage-link-target"><span>ગુજરાતી</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 – gotisk" lang="got" hreflang="got" data-title="𐍃𐍅𐌰𐍂𐍄𐌰 𐌸𐌰𐌹𐍂𐌺𐍉" data-language-autonym="𐌲𐌿𐍄𐌹𐍃𐌺" data-language-local-name="gotisk" class="interlanguage-link-target"><span>𐌲𐌿𐍄𐌹𐍃𐌺</span></a></li><li class="interlanguage-link interwiki-ko badge-Q17437798 badge-goodarticle mw-list-item" title="anbefalt artikkel-merke"><a href="https://ko.wikipedia.org/wiki/%EB%B8%94%EB%9E%99%ED%99%80" title="블랙홀 – koreansk" lang="ko" hreflang="ko" data-title="블랙홀" data-language-autonym="한국어" data-language-local-name="koreansk" class="interlanguage-link-target"><span>한국어</span></a></li><li class="interlanguage-link interwiki-ha mw-list-item"><a href="https://ha.wikipedia.org/wiki/Mutuwaren_Taurari" title="Mutuwaren Taurari – hausa" lang="ha" hreflang="ha" data-title="Mutuwaren Taurari" data-language-autonym="Hausa" data-language-local-name="hausa" class="interlanguage-link-target"><span>Hausa</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 – armensk" lang="hy" hreflang="hy" data-title="Սև խոռոչ" data-language-autonym="Հայերեն" data-language-local-name="armensk" class="interlanguage-link-target"><span>Հայերեն</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 – hindi" lang="hi" hreflang="hi" data-title="कृष्ण विवर" data-language-autonym="हिन्दी" data-language-local-name="hindi" class="interlanguage-link-target"><span>हिन्दी</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 – høysorbisk" lang="hsb" hreflang="hsb" data-title="Čorna dźěra" data-language-autonym="Hornjoserbsce" data-language-local-name="høysorbisk" class="interlanguage-link-target"><span>Hornjoserbsce</span></a></li><li class="interlanguage-link interwiki-hr mw-list-item"><a href="https://hr.wikipedia.org/wiki/Crna_rupa" title="Crna rupa – kroatisk" lang="hr" hreflang="hr" data-title="Crna rupa" data-language-autonym="Hrvatski" data-language-local-name="kroatisk" class="interlanguage-link-target"><span>Hrvatski</span></a></li><li class="interlanguage-link interwiki-io mw-list-item"><a href="https://io.wikipedia.org/wiki/Nigra_truo" title="Nigra truo – ido" lang="io" hreflang="io" data-title="Nigra truo" data-language-autonym="Ido" data-language-local-name="ido" class="interlanguage-link-target"><span>Ido</span></a></li><li class="interlanguage-link interwiki-ig mw-list-item"><a href="https://ig.wikipedia.org/wiki/Oghere_ojii" title="Oghere ojii – ibo" lang="ig" hreflang="ig" data-title="Oghere ojii" data-language-autonym="Igbo" data-language-local-name="ibo" class="interlanguage-link-target"><span>Igbo</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 – iloko" lang="ilo" hreflang="ilo" data-title="Nangisit nga abut" data-language-autonym="Ilokano" data-language-local-name="iloko" class="interlanguage-link-target"><span>Ilokano</span></a></li><li class="interlanguage-link interwiki-id mw-list-item"><a href="https://id.wikipedia.org/wiki/Lubang_hitam" title="Lubang hitam – indonesisk" lang="id" hreflang="id" data-title="Lubang hitam" data-language-autonym="Bahasa Indonesia" data-language-local-name="indonesisk" class="interlanguage-link-target"><span>Bahasa Indonesia</span></a></li><li class="interlanguage-link interwiki-ia mw-list-item"><a href="https://ia.wikipedia.org/wiki/Foramine_nigre" title="Foramine nigre – interlingua" lang="ia" hreflang="ia" data-title="Foramine nigre" data-language-autonym="Interlingua" data-language-local-name="interlingua" class="interlanguage-link-target"><span>Interlingua</span></a></li><li class="interlanguage-link interwiki-ie mw-list-item"><a href="https://ie.wikipedia.org/wiki/Nigri_fore" title="Nigri fore – interlingue" lang="ie" hreflang="ie" data-title="Nigri fore" data-language-autonym="Interlingue" data-language-local-name="interlingue" class="interlanguage-link-target"><span>Interlingue</span></a></li><li class="interlanguage-link interwiki-ik mw-list-item"><a href="https://ik.wikipedia.org/wiki/Putu_Taaqtaaq" title="Putu Taaqtaaq – inupiak" lang="ik" hreflang="ik" data-title="Putu Taaqtaaq" data-language-autonym="Iñupiatun" data-language-local-name="inupiak" class="interlanguage-link-target"><span>Iñupiatun</span></a></li><li class="interlanguage-link interwiki-zu mw-list-item"><a href="https://zu.wikipedia.org/wiki/IsiGwinqa" title="IsiGwinqa – zulu" lang="zu" hreflang="zu" data-title="IsiGwinqa" data-language-autonym="IsiZulu" data-language-local-name="zulu" class="interlanguage-link-target"><span>IsiZulu</span></a></li><li class="interlanguage-link interwiki-it mw-list-item"><a href="https://it.wikipedia.org/wiki/Buco_nero" title="Buco nero – italiensk" lang="it" hreflang="it" data-title="Buco nero" data-language-autonym="Italiano" data-language-local-name="italiensk" class="interlanguage-link-target"><span>Italiano</span></a></li><li class="interlanguage-link interwiki-he badge-Q17437796 badge-featuredarticle mw-list-item" title="utmerket artikkel-merke"><a href="https://he.wikipedia.org/wiki/%D7%97%D7%95%D7%A8_%D7%A9%D7%97%D7%95%D7%A8" title="חור שחור – hebraisk" lang="he" hreflang="he" data-title="חור שחור" data-language-autonym="עברית" data-language-local-name="hebraisk" class="interlanguage-link-target"><span>עברית</span></a></li><li class="interlanguage-link interwiki-jv mw-list-item"><a href="https://jv.wikipedia.org/wiki/Luwang_ireng" title="Luwang ireng – javanesisk" lang="jv" hreflang="jv" data-title="Luwang ireng" data-language-autonym="Jawa" data-language-local-name="javanesisk" class="interlanguage-link-target"><span>Jawa</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 – kannada" lang="kn" hreflang="kn" data-title="ಕಪ್ಪು ಕುಳಿ" data-language-autonym="ಕನ್ನಡ" data-language-local-name="kannada" 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 – karatsjajbalkarsk" lang="krc" hreflang="krc" data-title="Къара тешик" data-language-autonym="Къарачай-малкъар" data-language-local-name="karatsjajbalkarsk" class="interlanguage-link-target"><span>Къарачай-малкъар</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 – georgisk" lang="ka" hreflang="ka" data-title="შავი ხვრელი" data-language-autonym="ქართული" data-language-local-name="georgisk" class="interlanguage-link-target"><span>ქართული</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 – kasjmiri" lang="ks" hreflang="ks" data-title="کرٛہُن چاہ" data-language-autonym="कॉशुर / کٲشُر" data-language-local-name="kasjmiri" class="interlanguage-link-target"><span>कॉशुर / کٲشُر</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 – kasjubisk" lang="csb" hreflang="csb" data-title="Czôrnô dzura" data-language-autonym="Kaszëbsczi" data-language-local-name="kasjubisk" class="interlanguage-link-target"><span>Kaszëbsczi</span></a></li><li class="interlanguage-link interwiki-kk badge-Q17437796 badge-featuredarticle mw-list-item" title="utmerket artikkel-merke"><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 – kasakhisk" lang="kk" hreflang="kk" data-title="Қара құрдым" data-language-autonym="Қазақша" data-language-local-name="kasakhisk" class="interlanguage-link-target"><span>Қазақша</span></a></li><li class="interlanguage-link interwiki-kw mw-list-item"><a href="https://kw.wikipedia.org/wiki/Toll_du" title="Toll du – kornisk" lang="kw" hreflang="kw" data-title="Toll du" data-language-autonym="Kernowek" data-language-local-name="kornisk" class="interlanguage-link-target"><span>Kernowek</span></a></li><li class="interlanguage-link interwiki-sw mw-list-item"><a href="https://sw.wikipedia.org/wiki/Shimo_jeusi" title="Shimo jeusi – swahili" lang="sw" hreflang="sw" data-title="Shimo jeusi" data-language-autonym="Kiswahili" data-language-local-name="swahili" class="interlanguage-link-target"><span>Kiswahili</span></a></li><li class="interlanguage-link interwiki-ht mw-list-item"><a href="https://ht.wikipedia.org/wiki/Twou_nwa" title="Twou nwa – haitisk" lang="ht" hreflang="ht" data-title="Twou nwa" data-language-autonym="Kreyòl ayisyen" data-language-local-name="haitisk" class="interlanguage-link-target"><span>Kreyòl ayisyen</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 – franskguyansk kreol" lang="gcr" hreflang="gcr" data-title="Trou nwè" data-language-autonym="Kriyòl gwiyannen" data-language-local-name="franskguyansk kreol" class="interlanguage-link-target"><span>Kriyòl gwiyannen</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 – kurdisk" lang="ku" hreflang="ku" data-title="Çala Reş" data-language-autonym="Kurdî" data-language-local-name="kurdisk" class="interlanguage-link-target"><span>Kurdî</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 – kirgisisk" lang="ky" hreflang="ky" data-title="Кара көңдөй" data-language-autonym="Кыргызча" data-language-local-name="kirgisisk" class="interlanguage-link-target"><span>Кыргызча</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 – ladinsk" lang="lld" hreflang="lld" data-title="Büsc fosch" data-language-autonym="Ladin" data-language-local-name="ladinsk" class="interlanguage-link-target"><span>Ladin</span></a></li><li class="interlanguage-link interwiki-la mw-list-item"><a href="https://la.wikipedia.org/wiki/Foramen_nigrum" title="Foramen nigrum – latin" lang="la" hreflang="la" data-title="Foramen nigrum" data-language-autonym="Latina" data-language-local-name="latin" class="interlanguage-link-target"><span>Latina</span></a></li><li class="interlanguage-link interwiki-lv badge-Q17437798 badge-goodarticle mw-list-item" title="anbefalt artikkel-merke"><a href="https://lv.wikipedia.org/wiki/Melnais_caurums" title="Melnais caurums – latvisk" lang="lv" hreflang="lv" data-title="Melnais caurums" data-language-autonym="Latviešu" data-language-local-name="latvisk" class="interlanguage-link-target"><span>Latviešu</span></a></li><li class="interlanguage-link interwiki-lb mw-list-item"><a href="https://lb.wikipedia.org/wiki/Schwaarzt_Lach" title="Schwaarzt Lach – luxemburgsk" lang="lb" hreflang="lb" data-title="Schwaarzt Lach" data-language-autonym="Lëtzebuergesch" data-language-local-name="luxemburgsk" 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 – lesgisk" lang="lez" hreflang="lez" data-title="ЧӀулав тӀеквен" data-language-autonym="Лезги" data-language-local-name="lesgisk" class="interlanguage-link-target"><span>Лезги</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 – litauisk" lang="lt" hreflang="lt" data-title="Juodoji bedugnė" data-language-autonym="Lietuvių" data-language-local-name="litauisk" class="interlanguage-link-target"><span>Lietuvių</span></a></li><li class="interlanguage-link interwiki-li mw-list-item"><a href="https://li.wikipedia.org/wiki/Zwart_laok" title="Zwart laok – limburgsk" lang="li" hreflang="li" data-title="Zwart laok" data-language-autonym="Limburgs" data-language-local-name="limburgsk" class="interlanguage-link-target"><span>Limburgs</span></a></li><li class="interlanguage-link interwiki-lfn mw-list-item"><a href="https://lfn.wikipedia.org/wiki/Buco_negra" title="Buco negra – lingua franca nova" lang="lfn" hreflang="lfn" data-title="Buco negra" data-language-autonym="Lingua Franca Nova" data-language-local-name="lingua franca nova" class="interlanguage-link-target"><span>Lingua Franca Nova</span></a></li><li class="interlanguage-link interwiki-olo mw-list-item"><a href="https://olo.wikipedia.org/wiki/Mustu_loukko" title="Mustu loukko – livvisk" lang="olo" hreflang="olo" data-title="Mustu loukko" data-language-autonym="Livvinkarjala" data-language-local-name="livvisk" class="interlanguage-link-target"><span>Livvinkarjala</span></a></li><li class="interlanguage-link interwiki-lmo mw-list-item"><a href="https://lmo.wikipedia.org/wiki/Bux_neger" title="Bux neger – lombardisk" lang="lmo" hreflang="lmo" data-title="Bux neger" data-language-autonym="Lombard" data-language-local-name="lombardisk" class="interlanguage-link-target"><span>Lombard</span></a></li><li class="interlanguage-link interwiki-hu mw-list-item"><a href="https://hu.wikipedia.org/wiki/Fekete_lyuk" title="Fekete lyuk – ungarsk" lang="hu" hreflang="hu" data-title="Fekete lyuk" data-language-autonym="Magyar" data-language-local-name="ungarsk" class="interlanguage-link-target"><span>Magyar</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 – makedonsk" lang="mk" hreflang="mk" data-title="Црна дупка" data-language-autonym="Македонски" data-language-local-name="makedonsk" class="interlanguage-link-target"><span>Македонски</span></a></li><li class="interlanguage-link interwiki-mg mw-list-item"><a href="https://mg.wikipedia.org/wiki/Lavaka_mainty" title="Lavaka mainty – gassisk" lang="mg" hreflang="mg" data-title="Lavaka mainty" data-language-autonym="Malagasy" data-language-local-name="gassisk" class="interlanguage-link-target"><span>Malagasy</span></a></li><li class="interlanguage-link interwiki-ml badge-Q17437796 badge-featuredarticle mw-list-item" title="utmerket artikkel-merke"><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 – malayalam" lang="ml" hreflang="ml" data-title="തമോദ്വാരം" data-language-autonym="മലയാളം" data-language-local-name="malayalam" class="interlanguage-link-target"><span>മലയാളം</span></a></li><li class="interlanguage-link interwiki-mt mw-list-item"><a href="https://mt.wikipedia.org/wiki/Toqba_sewda" title="Toqba sewda – maltesisk" lang="mt" hreflang="mt" data-title="Toqba sewda" data-language-autonym="Malti" data-language-local-name="maltesisk" class="interlanguage-link-target"><span>Malti</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 – marathi" lang="mr" hreflang="mr" data-title="कृष्णविवर" data-language-autonym="मराठी" data-language-local-name="marathi" class="interlanguage-link-target"><span>मराठी</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 – mingrelsk" lang="xmf" hreflang="xmf" data-title="უჩა რხვილი" data-language-autonym="მარგალური" data-language-local-name="mingrelsk" class="interlanguage-link-target"><span>მარგალური</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 – egyptisk arabisk" lang="arz" hreflang="arz" data-title="ثقب أسود" data-language-autonym="مصرى" data-language-local-name="egyptisk arabisk" class="interlanguage-link-target"><span>مصرى</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-ms mw-list-item"><a href="https://ms.wikipedia.org/wiki/Lohong_hitam" title="Lohong hitam – malayisk" lang="ms" hreflang="ms" data-title="Lohong hitam" data-language-autonym="Bahasa Melayu" data-language-local-name="malayisk" class="interlanguage-link-target"><span>Bahasa Melayu</span></a></li><li class="interlanguage-link interwiki-min mw-list-item"><a href="https://min.wikipedia.org/wiki/Lubang_itam" title="Lubang itam – minangkabau" lang="min" hreflang="min" data-title="Lubang itam" data-language-autonym="Minangkabau" data-language-local-name="minangkabau" class="interlanguage-link-target"><span>Minangkabau</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 – mongolsk" lang="mn" hreflang="mn" data-title="Хар нүх" data-language-autonym="Монгол" data-language-local-name="mongolsk" class="interlanguage-link-target"><span>Монгол</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 – burmesisk" lang="my" hreflang="my" data-title="တွင်းနက်" data-language-autonym="မြန်မာဘာသာ" data-language-local-name="burmesisk" class="interlanguage-link-target"><span>မြန်မာဘာသာ</span></a></li><li class="interlanguage-link interwiki-nl mw-list-item"><a href="https://nl.wikipedia.org/wiki/Zwart_gat" title="Zwart gat – nederlandsk" lang="nl" hreflang="nl" data-title="Zwart gat" data-language-autonym="Nederlands" data-language-local-name="nederlandsk" class="interlanguage-link-target"><span>Nederlands</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 – nepali" lang="ne" hreflang="ne" data-title="कृष्ण छिद्र" data-language-autonym="नेपाली" data-language-local-name="nepali" 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 – newari" lang="new" hreflang="new" data-title="ब्ल्याक होल" data-language-autonym="नेपाल भाषा" data-language-local-name="newari" class="interlanguage-link-target"><span>नेपाल भाषा</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 – japansk" lang="ja" hreflang="ja" data-title="ブラックホール" data-language-autonym="日本語" data-language-local-name="japansk" class="interlanguage-link-target"><span>日本語</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 – tsjetsjensk" lang="ce" hreflang="ce" data-title="Ӏаьржа уор" data-language-autonym="Нохчийн" data-language-local-name="tsjetsjensk" class="interlanguage-link-target"><span>Нохчийн</span></a></li><li class="interlanguage-link interwiki-frr mw-list-item"><a href="https://frr.wikipedia.org/wiki/Suart_hool" title="Suart hool – nordfrisisk" lang="frr" hreflang="frr" data-title="Suart hool" data-language-autonym="Nordfriisk" data-language-local-name="nordfrisisk" class="interlanguage-link-target"><span>Nordfriisk</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="anbefalt artikkel-merke"><a href="https://oc.wikipedia.org/wiki/Trauc_negre" title="Trauc negre – oksitansk" lang="oc" hreflang="oc" data-title="Trauc negre" data-language-autonym="Occitan" data-language-local-name="oksitansk" class="interlanguage-link-target"><span>Occitan</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 – odia" lang="or" hreflang="or" data-title="କୃଷ୍ଣଗର୍ତ୍ତ" data-language-autonym="ଓଡ଼ିଆ" data-language-local-name="odia" class="interlanguage-link-target"><span>ଓଡ଼ିଆ</span></a></li><li class="interlanguage-link interwiki-om mw-list-item"><a href="https://om.wikipedia.org/wiki/Holqa_gurraacha" title="Holqa gurraacha – oromo" lang="om" hreflang="om" data-title="Holqa gurraacha" data-language-autonym="Oromoo" data-language-local-name="oromo" class="interlanguage-link-target"><span>Oromoo</span></a></li><li class="interlanguage-link interwiki-uz mw-list-item"><a href="https://uz.wikipedia.org/wiki/Qora_tuynuk" title="Qora tuynuk – usbekisk" lang="uz" hreflang="uz" data-title="Qora tuynuk" data-language-autonym="Oʻzbekcha / ўзбекча" data-language-local-name="usbekisk" class="interlanguage-link-target"><span>Oʻzbekcha / ўзбекча</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 – panjabi" lang="pa" hreflang="pa" data-title="ਬਲੈਕ ਹੋਲ" data-language-autonym="ਪੰਜਾਬੀ" data-language-local-name="panjabi" class="interlanguage-link-target"><span>ਪੰਜਾਬੀ</span></a></li><li class="interlanguage-link interwiki-pfl mw-list-item"><a href="https://pfl.wikipedia.org/wiki/Schwarzes_Loch" title="Schwarzes Loch – palatintysk" lang="pfl" hreflang="pfl" data-title="Schwarzes Loch" data-language-autonym="Pälzisch" data-language-local-name="palatintysk" class="interlanguage-link-target"><span>Pälzisch</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 – vestpunjabi" lang="pnb" hreflang="pnb" data-title="بلیک ہول" data-language-autonym="پنجابی" data-language-local-name="vestpunjabi" 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 – pashto" lang="ps" hreflang="ps" data-title="تور غار" data-language-autonym="پښتو" data-language-local-name="pashto" class="interlanguage-link-target"><span>پښتو</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 – pikardisk" lang="pcd" hreflang="pcd" data-title="Noért treu" data-language-autonym="Picard" data-language-local-name="pikardisk" class="interlanguage-link-target"><span>Picard</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 – piemontesisk" lang="pms" hreflang="pms" data-title="Përtus nèir" data-language-autonym="Piemontèis" data-language-local-name="piemontesisk" class="interlanguage-link-target"><span>Piemontèis</span></a></li><li class="interlanguage-link interwiki-nds mw-list-item"><a href="https://nds.wikipedia.org/wiki/Swart_Lock" title="Swart Lock – nedertysk" lang="nds" hreflang="nds" data-title="Swart Lock" data-language-autonym="Plattdüütsch" data-language-local-name="nedertysk" class="interlanguage-link-target"><span>Plattdüütsch</span></a></li><li class="interlanguage-link interwiki-pl mw-list-item"><a href="https://pl.wikipedia.org/wiki/Czarna_dziura" title="Czarna dziura – polsk" lang="pl" hreflang="pl" data-title="Czarna dziura" data-language-autonym="Polski" data-language-local-name="polsk" class="interlanguage-link-target"><span>Polski</span></a></li><li class="interlanguage-link interwiki-pt badge-Q17437796 badge-featuredarticle mw-list-item" title="utmerket artikkel-merke"><a href="https://pt.wikipedia.org/wiki/Buraco_negro" title="Buraco negro – portugisisk" lang="pt" hreflang="pt" data-title="Buraco negro" data-language-autonym="Português" data-language-local-name="portugisisk" class="interlanguage-link-target"><span>Português</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 – rumensk" lang="ro" hreflang="ro" data-title="Gaură neagră" data-language-autonym="Română" data-language-local-name="rumensk" class="interlanguage-link-target"><span>Română</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 – quechua" lang="qu" hreflang="qu" data-title="Yana huchk'u" data-language-autonym="Runa Simi" data-language-local-name="quechua" class="interlanguage-link-target"><span>Runa Simi</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 – rusinsk" lang="rue" hreflang="rue" data-title="Чорна дїра" data-language-autonym="Русиньскый" data-language-local-name="rusinsk" class="interlanguage-link-target"><span>Русиньскый</span></a></li><li class="interlanguage-link interwiki-ru badge-Q17437798 badge-goodarticle mw-list-item" title="anbefalt artikkel-merke"><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 – russisk" lang="ru" hreflang="ru" data-title="Чёрная дыра" data-language-autonym="Русский" data-language-local-name="russisk" class="interlanguage-link-target"><span>Русский</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 – sakha" lang="sah" hreflang="sah" data-title="Хара үөдэн" data-language-autonym="Саха тыла" data-language-local-name="sakha" class="interlanguage-link-target"><span>Саха тыла</span></a></li><li class="interlanguage-link interwiki-sco mw-list-item"><a href="https://sco.wikipedia.org/wiki/Black_hole" title="Black hole – skotsk" lang="sco" hreflang="sco" data-title="Black hole" data-language-autonym="Scots" data-language-local-name="skotsk" class="interlanguage-link-target"><span>Scots</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 – albansk" lang="sq" hreflang="sq" data-title="Vrima e zezë" data-language-autonym="Shqip" data-language-local-name="albansk" class="interlanguage-link-target"><span>Shqip</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 – siciliansk" lang="scn" hreflang="scn" data-title="Pirtusu nìguru" data-language-autonym="Sicilianu" data-language-local-name="siciliansk" class="interlanguage-link-target"><span>Sicilianu</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 – singalesisk" lang="si" hreflang="si" data-title="කළු කුහර" data-language-autonym="සිංහල" data-language-local-name="singalesisk" class="interlanguage-link-target"><span>සිංහල</span></a></li><li class="interlanguage-link interwiki-simple badge-Q17437798 badge-goodarticle mw-list-item" title="anbefalt artikkel-merke"><a href="https://simple.wikipedia.org/wiki/Black_hole" title="Black hole – enkel engelsk" lang="en-simple" hreflang="en-simple" data-title="Black hole" data-language-autonym="Simple English" data-language-local-name="enkel engelsk" class="interlanguage-link-target"><span>Simple English</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 – sindhi" lang="sd" hreflang="sd" data-title="بليڪ هول" data-language-autonym="سنڌي" data-language-local-name="sindhi" class="interlanguage-link-target"><span>سنڌي</span></a></li><li class="interlanguage-link interwiki-sk badge-Q17437796 badge-featuredarticle mw-list-item" title="utmerket artikkel-merke"><a href="https://sk.wikipedia.org/wiki/%C4%8Cierna_diera" title="Čierna diera – slovakisk" lang="sk" hreflang="sk" data-title="Čierna diera" data-language-autonym="Slovenčina" data-language-local-name="slovakisk" 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 – slovensk" lang="sl" hreflang="sl" data-title="Črna luknja" data-language-autonym="Slovenščina" data-language-local-name="slovensk" class="interlanguage-link-target"><span>Slovenščina</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 – schlesisk" lang="szl" hreflang="szl" data-title="Czŏrnŏ dziura" data-language-autonym="Ślůnski" data-language-local-name="schlesisk" class="interlanguage-link-target"><span>Ślůnski</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 – sentralkurdisk" lang="ckb" hreflang="ckb" data-title="کونەڕەش" data-language-autonym="کوردی" data-language-local-name="sentralkurdisk" class="interlanguage-link-target"><span>کوردی</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 – serbisk" lang="sr" hreflang="sr" data-title="Црна рупа" data-language-autonym="Српски / srpski" data-language-local-name="serbisk" class="interlanguage-link-target"><span>Српски / srpski</span></a></li><li class="interlanguage-link interwiki-sh mw-list-item"><a href="https://sh.wikipedia.org/wiki/Crna_rupa" title="Crna rupa – serbokroatisk" lang="sh" hreflang="sh" data-title="Crna rupa" data-language-autonym="Srpskohrvatski / српскохрватски" data-language-local-name="serbokroatisk" class="interlanguage-link-target"><span>Srpskohrvatski / српскохрватски</span></a></li><li class="interlanguage-link interwiki-su mw-list-item"><a href="https://su.wikipedia.org/wiki/Liang_hideung" title="Liang hideung – sundanesisk" lang="su" hreflang="su" data-title="Liang hideung" data-language-autonym="Sunda" data-language-local-name="sundanesisk" class="interlanguage-link-target"><span>Sunda</span></a></li><li class="interlanguage-link interwiki-fi mw-list-item"><a href="https://fi.wikipedia.org/wiki/Musta_aukko" title="Musta aukko – finsk" lang="fi" hreflang="fi" data-title="Musta aukko" data-language-autonym="Suomi" data-language-local-name="finsk" class="interlanguage-link-target"><span>Suomi</span></a></li><li class="interlanguage-link interwiki-tl mw-list-item"><a href="https://tl.wikipedia.org/wiki/Black_hole" title="Black hole – tagalog" lang="tl" hreflang="tl" data-title="Black hole" data-language-autonym="Tagalog" data-language-local-name="tagalog" class="interlanguage-link-target"><span>Tagalog</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 – tamil" lang="ta" hreflang="ta" data-title="கருந்துளை" data-language-autonym="தமிழ்" data-language-local-name="tamil" class="interlanguage-link-target"><span>தமிழ்</span></a></li><li class="interlanguage-link interwiki-shi mw-list-item"><a href="https://shi.wikipedia.org/wiki/Agbbay_asggan" title="Agbbay asggan – tachelhit" lang="shi" hreflang="shi" data-title="Agbbay asggan" data-language-autonym="Taclḥit" data-language-local-name="tachelhit" class="interlanguage-link-target"><span>Taclḥit</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 – tatarisk" lang="tt" hreflang="tt" data-title="Кара тишек" data-language-autonym="Татарча / tatarça" data-language-local-name="tatarisk" class="interlanguage-link-target"><span>Татарча / tatarça</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 – telugu" lang="te" hreflang="te" data-title="బ్లాక్ హోల్" data-language-autonym="తెలుగు" data-language-local-name="telugu" class="interlanguage-link-target"><span>తెలుగు</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 – thai" lang="th" hreflang="th" data-title="หลุมดำ" data-language-autonym="ไทย" data-language-local-name="thai" class="interlanguage-link-target"><span>ไทย</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 – tadsjikisk" lang="tg" hreflang="tg" data-title="Сиёҳчола" data-language-autonym="Тоҷикӣ" data-language-local-name="tadsjikisk" class="interlanguage-link-target"><span>Тоҷикӣ</span></a></li><li class="interlanguage-link interwiki-tr mw-list-item"><a href="https://tr.wikipedia.org/wiki/Kara_delik" title="Kara delik – tyrkisk" lang="tr" hreflang="tr" data-title="Kara delik" data-language-autonym="Türkçe" data-language-local-name="tyrkisk" class="interlanguage-link-target"><span>Türkçe</span></a></li><li class="interlanguage-link interwiki-tk mw-list-item"><a href="https://tk.wikipedia.org/wiki/Gara_girdap" title="Gara girdap – turkmensk" lang="tk" hreflang="tk" data-title="Gara girdap" data-language-autonym="Türkmençe" data-language-local-name="turkmensk" class="interlanguage-link-target"><span>Türkmençe</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 – udmurtisk" lang="udm" hreflang="udm" data-title="Сьӧд пась" data-language-autonym="Удмурт" data-language-local-name="udmurtisk" class="interlanguage-link-target"><span>Удмурт</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 – ukrainsk" lang="uk" hreflang="uk" data-title="Чорна діра" data-language-autonym="Українська" data-language-local-name="ukrainsk" 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 – urdu" lang="ur" hreflang="ur" data-title="بلیک ہول" data-language-autonym="اردو" data-language-local-name="urdu" class="interlanguage-link-target"><span>اردو</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 – uigurisk" lang="ug" hreflang="ug" data-title="قارا ئۆڭكۈر" data-language-autonym="ئۇيغۇرچە / Uyghurche" data-language-local-name="uigurisk" class="interlanguage-link-target"><span>ئۇيغۇرچە / Uyghurche</span></a></li><li class="interlanguage-link interwiki-za mw-list-item"><a href="https://za.wikipedia.org/wiki/Conghndaem" title="Conghndaem – zhuang" lang="za" hreflang="za" data-title="Conghndaem" data-language-autonym="Vahcuengh" data-language-local-name="zhuang" class="interlanguage-link-target"><span>Vahcuengh</span></a></li><li class="interlanguage-link interwiki-vec mw-list-item"><a href="https://vec.wikipedia.org/wiki/Buxo_nero" title="Buxo nero – venetiansk" lang="vec" hreflang="vec" data-title="Buxo nero" data-language-autonym="Vèneto" data-language-local-name="venetiansk" 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 – vepsisk" lang="vep" hreflang="vep" data-title="Must reig" data-language-autonym="Vepsän kel’" data-language-local-name="vepsisk" class="interlanguage-link-target"><span>Vepsän kel’</span></a></li><li class="interlanguage-link interwiki-vi badge-Q17437796 badge-featuredarticle mw-list-item" title="utmerket artikkel-merke"><a href="https://vi.wikipedia.org/wiki/L%E1%BB%97_%C4%91en" title="Lỗ đen – vietnamesisk" lang="vi" hreflang="vi" data-title="Lỗ đen" data-language-autonym="Tiếng Việt" data-language-local-name="vietnamesisk" 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) – vallonsk" lang="wa" hreflang="wa" data-title="Noer trô (astronomeye)" data-language-autonym="Walon" data-language-local-name="vallonsk" class="interlanguage-link-target"><span>Walon</span></a></li><li class="interlanguage-link interwiki-zh-classical mw-list-item"><a href="https://zh-classical.wikipedia.org/wiki/%E9%BB%91%E6%B4%9E" title="黑洞 – klassisk kinesisk" lang="lzh" hreflang="lzh" data-title="黑洞" data-language-autonym="文言" data-language-local-name="klassisk kinesisk" class="interlanguage-link-target"><span>文言</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 – waray-waray" lang="war" hreflang="war" data-title="Itom nga luho" data-language-autonym="Winaray" data-language-local-name="waray-waray" 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 – wu" lang="wuu" hreflang="wuu" data-title="黑洞" data-language-autonym="吴语" data-language-local-name="wu" class="interlanguage-link-target"><span>吴语</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 – jiddisk" lang="yi" hreflang="yi" data-title="שווארצע לאך" data-language-autonym="ייִדיש" data-language-local-name="jiddisk" class="interlanguage-link-target"><span>ייִדיש</span></a></li><li class="interlanguage-link interwiki-zh-yue mw-list-item"><a href="https://zh-yue.wikipedia.org/wiki/%E9%BB%91%E6%B4%9E" title="黑洞 – kantonesisk" lang="yue" hreflang="yue" data-title="黑洞" data-language-autonym="粵語" data-language-local-name="kantonesisk" class="interlanguage-link-target"><span>粵語</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 – samogitisk" lang="sgs" hreflang="sgs" data-title="Jouduojė skīlie" data-language-autonym="Žemaitėška" data-language-local-name="samogitisk" class="interlanguage-link-target"><span>Žemaitėška</span></a></li><li class="interlanguage-link interwiki-zh mw-list-item"><a href="https://zh.wikipedia.org/wiki/%E9%BB%91%E6%B4%9E" title="黑洞 – kinesisk" lang="zh" hreflang="zh" data-title="黑洞" data-language-autonym="中文" data-language-local-name="kinesisk" class="interlanguage-link-target"><span>中文</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> </ul> <div class="after-portlet after-portlet-lang"><span class="wb-langlinks-edit wb-langlinks-link"><a href="https://www.wikidata.org/wiki/Special:EntityPage/Q589#sitelinks-wikipedia" title="Rediger lenker til artikkelen på andre språk" class="wbc-editpage">Rediger lenker</a></span></div> </div> </div> </div> </header> <div class="vector-page-toolbar"> <div class="vector-page-toolbar-container"> <div id="left-navigation"> <nav aria-label="Navnerom"> <div id="p-associated-pages" class="vector-menu vector-menu-tabs mw-portlet mw-portlet-associated-pages" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="ca-nstab-main" class="selected vector-tab-noicon mw-list-item"><a href="/wiki/Sort_hull" title="Vis innholdssiden [c]" accesskey="c"><span>Artikkel</span></a></li><li id="ca-talk" class="vector-tab-noicon mw-list-item"><a href="/wiki/Diskusjon:Sort_hull" rel="discussion" title="Diskusjon om innholdssiden [t]" accesskey="t"><span>Diskusjon</span></a></li> </ul> </div> </div> <div id="vector-variants-dropdown" class="vector-dropdown emptyPortlet" > <input type="checkbox" id="vector-variants-dropdown-checkbox" role="button" aria-haspopup="true" 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href="/wiki/Sort_hull"><span>Les</span></a></li><li id="ca-ve-edit" class="vector-tab-noicon mw-list-item"><a href="/w/index.php?title=Sort_hull&veaction=edit" title="Rediger siden [v]" accesskey="v"><span>Rediger</span></a></li><li id="ca-edit" class="collapsible vector-tab-noicon mw-list-item"><a href="/w/index.php?title=Sort_hull&action=edit" title="Rediger kildekoden for denne siden [e]" accesskey="e"><span>Rediger kilde</span></a></li><li id="ca-history" class="vector-tab-noicon mw-list-item"><a href="/w/index.php?title=Sort_hull&action=history" title="Tidligere sideversjoner av denne siden [h]" accesskey="h"><span>Vis historikk</span></a></li> </ul> </div> </div> </nav> <nav class="vector-page-tools-landmark" aria-label="Sideverktøy"> <div id="vector-page-tools-dropdown" class="vector-dropdown vector-page-tools-dropdown" > <input type="checkbox" id="vector-page-tools-dropdown-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-page-tools-dropdown" 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href="/w/index.php?title=Sort_hull&action=edit" title="Rediger kildekoden for denne siden [e]" accesskey="e"><span>Rediger kilde</span></a></li><li id="ca-more-history" class="vector-more-collapsible-item mw-list-item"><a href="/w/index.php?title=Sort_hull&action=history"><span>Vis historikk</span></a></li> </ul> </div> </div> <div id="p-tb" class="vector-menu mw-portlet mw-portlet-tb" > <div class="vector-menu-heading"> Generelt </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="t-whatlinkshere" class="mw-list-item"><a href="/wiki/Spesial:Lenker_hit/Sort_hull" title="Liste over alle wikisider som lenker hit [j]" accesskey="j"><span>Lenker hit</span></a></li><li id="t-recentchangeslinked" class="mw-list-item"><a href="/wiki/Spesial:Relaterte_endringer/Sort_hull" rel="nofollow" title="Siste endringer i sider som blir lenket fra denne siden [k]" accesskey="k"><span>Relaterte endringer</span></a></li><li id="t-upload" class="mw-list-item"><a href="//commons.wikimedia.org/wiki/Special:UploadWizard?uselang=no" title="Last opp filer [u]" accesskey="u"><span>Last opp fil</span></a></li><li id="t-specialpages" class="mw-list-item"><a href="/wiki/Spesial:Spesialsider" title="Liste over alle spesialsider [q]" accesskey="q"><span>Spesialsider</span></a></li><li id="t-permalink" class="mw-list-item"><a href="/w/index.php?title=Sort_hull&oldid=24231211" title="Permanent lenke til denne versjonen av siden"><span>Permanent lenke</span></a></li><li id="t-info" class="mw-list-item"><a href="/w/index.php?title=Sort_hull&action=info" title="Mer informasjon om denne siden"><span>Sideinformasjon</span></a></li><li id="t-cite" class="mw-list-item"><a href="/w/index.php?title=Spesial:Siteringshjelp&page=Sort_hull&id=24231211&wpFormIdentifier=titleform" title="Informasjon om hvordan denne siden kan siteres"><span>Siter denne siden</span></a></li><li id="t-urlshortener" class="mw-list-item"><a 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class="vector-body" aria-labelledby="firstHeading" data-mw-ve-target-container> <div class="vector-body-before-content"> <div class="mw-indicators"> </div> <div id="siteSub" class="noprint">Fra Wikipedia, den frie encyklopedi</div> </div> <div id="contentSub"><div id="mw-content-subtitle"></div></div> <div id="mw-content-text" class="mw-body-content"><div class="mw-content-ltr mw-parser-output" lang="nb" dir="ltr"><figure class="mw-default-size" typeof="mw:File/Thumb"><a href="/wiki/Fil:Black_hole_-_Messier_87.jpg" class="mw-file-description"><img alt="Akkresjonsskive i Messier-galaksen" src="//upload.wikimedia.org/wikipedia/commons/thumb/c/cf/Black_hole_-_Messier_87.jpg/250px-Black_hole_-_Messier_87.jpg" decoding="async" width="250" height="146" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/c/cf/Black_hole_-_Messier_87.jpg/375px-Black_hole_-_Messier_87.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/c/cf/Black_hole_-_Messier_87.jpg/500px-Black_hole_-_Messier_87.jpg 2x" data-file-width="7416" data-file-height="4320" /></a><figcaption>Det første bildet av <a href="/wiki/Akkresjonsskive" title="Akkresjonsskive">akkresjonsskiven</a> som omgir et sort hull.<style data-mw-deduplicate="TemplateStyles:r23957101">.mw-parser-output .byline{font-size:85%}.mw-parser-output .byline .hidden{display:none}</style><div class="byline"><span class="hidden"> </span>Foto: Event Horizon Telescope </div></figcaption></figure> <figure class="mw-default-size mw-halign-right" typeof="mw:File/Thumb"><a href="/wiki/Fil:Black_hole_lensing_web.gif" class="mw-file-description"><img alt="Schwarzschild black hole" src="//upload.wikimedia.org/wikipedia/commons/0/03/Black_hole_lensing_web.gif" decoding="async" width="240" height="192" class="mw-file-element" data-file-width="240" data-file-height="192" /></a><figcaption>Simulering av hvordan et sort hull kan bøye av lyset fra en bakenforliggende <a href="/wiki/Galakse" title="Galakse">galakse</a>.</figcaption></figure> <figure class="mw-default-size mw-halign-right" typeof="mw:File/Thumb"><a href="/wiki/Fil:Black_Hole_Milkyway.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/c/cd/Black_Hole_Milkyway.jpg/250px-Black_Hole_Milkyway.jpg" decoding="async" width="250" height="200" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/c/cd/Black_Hole_Milkyway.jpg/375px-Black_Hole_Milkyway.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/c/cd/Black_Hole_Milkyway.jpg/500px-Black_Hole_Milkyway.jpg 2x" data-file-width="2560" data-file-height="2048" /></a><figcaption>Simulering av hvordan et sort hull foran <a href="/wiki/Melkeveien" title="Melkeveien">Melkeveien</a> skal kunne se ut. Det sorte hullet har 10 solmasser, og ses her fra en avstand på 600 km. For å opprettholde denne avstanden kreves det en akselerasjon på omkring 400 millioner G.<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></figcaption></figure> <p>Et <b>sort hull</b> (også <b>svart hull</b>) er et område av <a href="/wiki/Tidrom" title="Tidrom">tidrommet</a> hvor <a href="/wiki/Gravitasjon" title="Gravitasjon">gravitasjonen</a> er så sterk at ingenting – ikke en gang <a href="/wiki/Element%C3%A6rpartikkel" title="Elementærpartikkel">elementærpartikler</a> eller <a href="/wiki/Elektromagnetisk_str%C3%A5ling" title="Elektromagnetisk stråling">elektromagnetisk stråling</a> – kan unnslippe. Yttergrensen til dette området kalles <a href="/wiki/Hendelseshorisont" title="Hendelseshorisont">hendelseshorisonten</a> og definerer størrelsen til det sorte hullet. Innenfor denne horisonten vil all materie og stråling bevege seg mot en <a href="/wiki/Singularitet" title="Singularitet">singularitet</a> hvor <a href="/wiki/Fysikkens_lover" class="mw-redirect" title="Fysikkens lover">fysikkens lover</a> er brutt sammen. </p><p>Teorien om <a href="/wiki/Den_generelle_relativitetsteorien" title="Den generelle relativitetsteorien">generell relativitet</a> forutser at et objekt med tilstrekkelig stor masse som kollapser (komprimeres) til en størrelse mindre enn sin egen <a href="/wiki/Schwarzschild-radius" title="Schwarzschild-radius">Schwarzschild-radius</a>, vil ha en <a href="/wiki/Unnslipningshastighet" title="Unnslipningshastighet">unnslipningshastighet</a> som er høyere enn <a href="/wiki/Lysets_hastighet" title="Lysets hastighet">lysets hastighet</a>. Siden 1967 har slike objekter blitt kalt «sorte hull», ettersom ikke noe lys fra innenfor hendelseshorisonten slipper ut.<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> </p><p>I <a href="/wiki/1974" title="1974">1974</a> viste <a href="/wiki/Stephen_Hawking" title="Stephen Hawking">Stephen Hawking</a> ved bruk av <a href="/wiki/Kvantefeltteori" title="Kvantefeltteori">kvantefeltteori</a> at et sort hull er et <a href="/wiki/Svart_legeme" title="Svart legeme">sort legeme</a>. Det vil derfor avgi <a href="/wiki/Str%C3%A5ling" title="Stråling">stråling</a> ifølge <a href="/wiki/Stefan-Boltzmanns_lov" title="Stefan-Boltzmanns lov">Stefan-Boltzmanns lov</a> med en <a href="/wiki/Temperatur" title="Temperatur">temperatur</a> som Hawking fant å være omvendt <a href="/wiki/Proporsjonalitet" title="Proporsjonalitet">proporsjonal</a> med massen til det sorte hullet. Dette gjør det vanskelig å observere denne strålingen fra sorte hull med masser av samme størrelsesorden som solen eller enda større. </p><p>Objekter med en gravitasjon så stor at ikke en gang lyset kan unnslippe, ble først overveid som en mulighet på <a href="/wiki/1700-tallet" class="mw-redirect" title="1700-tallet">1700-tallet</a> av <a href="/wiki/John_Michell" title="John Michell">John Michell</a> og <a href="/wiki/Pierre-Simon_Laplace" title="Pierre-Simon Laplace">Pierre-Simon Laplace</a>. De første moderne forutsigelser av et sort hull i generell relativitetsteori ble gjort av <a href="/wiki/Karl_Schwarzschild" title="Karl Schwarzschild">Karl Schwarzschild</a> i <a href="/wiki/1916" title="1916">1916</a> som en ren teoretisk konstruksjon, selv om det gikk ytterligere fire tiår før hypotesen ble akseptert. Etter at det lenge ble betraktet som en <a href="/wiki/Matematikk" title="Matematikk">matematisk</a> merkverdighet, var det ikke før på 1960-tallet at teoretisk arbeid viste at sorte hull var en logisk følge av teorien om generell relativitet. Oppdagelsen av <a href="/wiki/N%C3%B8ytronstjerne" title="Nøytronstjerne">nøytronstjerner</a> utløste interesse for kollapsede objekter med stor masse som en mulig <a href="/wiki/Astrofysikk" title="Astrofysikk">astrofysisk</a> virkelighet. </p><p>Siden sorte hull er veldig små i utstrekning i astronomisk sammenheng, og ikke kan observeres direkte, har påvising av disse objektene basert seg på gravitasjonseffekten de har; enten på objekter i nærheten, eller på lys som passerer nær det sorte hullet (<i><a href="/wiki/Gravitasjonslinse" title="Gravitasjonslinse">gravitasjonslinser</a></i>). Tidlig på 2000-tallet kunne astrofysikere ved hjelp av indirekte observasjoner fastslå at det befinner seg et <a href="/wiki/Supermassivt_sort_hull" title="Supermassivt sort hull">supermassivt sort hull</a> i <a href="/wiki/Melkeveien" title="Melkeveien">Melkeveiens</a> sentrum (<a href="/wiki/Sagittarius_A*" title="Sagittarius A*">Sagittarius A*</a>) med en masse anslått til 4,6 millioner ganger <a href="/wiki/Solen" title="Solen">solens</a>.<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> </p><p>Det første bildet av <a href="/wiki/Akkresjonsskive" title="Akkresjonsskive">akkresjonsskiven</a> omkring et sort hull ble offentliggjort i fagtidsskriftet <i>Astrophysical Journal Letters</i> 10. april 2019. I mars ble åtte radioteleskoper på forskjellige steder på jorden, som er knyttet sammen til <a href="/w/index.php?title=Event_Horizon_Telescope&action=edit&redlink=1" class="new" title="Event Horizon Telescope (ikke skrevet ennå)">Event Horizon Telescope</a> (EHT), rettet mot senteret av <a href="/wiki/Messier_87" title="Messier 87">Messier 87-galaksen</a>, 55 millioner lysår fra jorden. Det sorte hullet er tre millioner ganger større enn jorden og har en masse på seks milliarder ganger solens.<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><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><sup id="cite_ref-6" class="reference"><a href="#cite_note-6"><span class="cite-bracket">[</span>6<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-7" class="reference"><a href="#cite_note-7"><span class="cite-bracket">[</span>7<span class="cite-bracket">]</span></a></sup><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> </p> <meta property="mw:PageProp/toc" /> <div class="mw-heading mw-heading2"><h2 id="Historie">Historie</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Sort_hull&veaction=edit&section=1" title="Rediger avsnitt: Historie" class="mw-editsection-visualeditor"><span>rediger</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Sort_hull&action=edit&section=1" title="Rediger kildekoden til seksjonen Historie"><span>rediger kilde</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Tanken om et legeme med så stor masse at ikke en gang lys kan unnslippe ble først lagt fram av den britiske <a href="/wiki/Geologi" title="Geologi">geologen</a> <a href="/wiki/John_Michell" title="John Michell">John Michell</a> i <a href="/wiki/1783" title="1783">1783</a> i en artikkel sendt inn til <a href="/wiki/Royal_Society" title="Royal Society">Royal Society</a>. <a href="/wiki/Isaac_Newton" title="Isaac Newton">Newtons</a> <a href="/wiki/Tyngdekraft" title="Tyngdekraft">gravitasjonsteori</a> og begrepet <a href="/wiki/Unnslipningshastighet" title="Unnslipningshastighet">unnslipningshastighet</a> var på denne tiden ganske velkjente. Michell beregnet at et legeme med 500 ganger <a href="/wiki/Solen" title="Solen">solens</a> <a href="/wiki/Radius" title="Radius">radius</a> og omtrent samme tetthet skulle ha en unnslipningshastighet på overflaten som var lik eller større enn <a href="/wiki/Lysets_hastighet" title="Lysets hastighet">lysets hastighet</a>, noe som ville bety at legemet ville være usynlig siden ikke en gang lys hadde stor nok hastighet til å unnslippe. I Michells egne ord: </p> <style data-mw-deduplicate="TemplateStyles:r22146855">@media only screen and (min-width:840px){.mw-parser-output .aligned-right{float:right;width:20em;margin:0.5em 0 2.2em 1em;clear:right}.mw-parser-output .aligned-left{float:left;width:20em;padding-left:0em;border-left:none;border-right:solid 0.3em #eee;clear:left}}@media all{.mw-parser-output .quoted{text-align:right;font-size:smaller}.mw-parser-output .textbox-heading{font-weight:bold;line-height:2}}.mw-parser-output .mw-parser-output>dl:first-child dd{margin-left:0;margin-right:0;padding-left:1em;padding-right:1em;border-left:0.4em solid green;border-right:1px solid silver}.mw-parser-output .mw-parser-output>dl:first-child dd:first-child{margin-bottom:0;padding-top:0.5em;border-top:1px solid silver}.mw-parser-output .mw-parser-output>dl:first-child dd:last-child{margin-bottom:0;padding-bottom:0.5em;border-bottom:1px solid silver}.mw-parser-output .mw-parser-output>dl:first-child dd+dd{padding-top:0.5em}</style> <blockquote class="" style=""><p><span class="skin-invert-image" typeof="mw:File"><span><img src="//upload.wikimedia.org/wikipedia/commons/thumb/5/58/Laquote.svg/17px-Laquote.svg.png" decoding="async" width="17" height="17" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/5/58/Laquote.svg/26px-Laquote.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/5/58/Laquote.svg/34px-Laquote.svg.png 2x" data-file-width="720" data-file-height="720" /></span></span>Om halvdiameteren av en kule med samme tetthet som solen skulle overgå halvdiameteren til solen i forholdet 500 til 1, ville et legeme som faller fra en uendelig høyde mot den ha ervervet en større hastighet enn lysets når den nådde dens overflate, og antagelsen om at lys blir tiltrukket av den samme kraften som andre legemer (i forhold til massetreghet) fører til at alt lys fra et slikt legeme vil bli holdt tilbake til kulen av dens gravitasjon.<span class="skin-invert-image" typeof="mw:File"><span><img src="//upload.wikimedia.org/wikipedia/commons/thumb/9/9c/Raquote.svg/17px-Raquote.svg.png" decoding="async" width="17" height="17" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/9/9c/Raquote.svg/26px-Raquote.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/9/9c/Raquote.svg/34px-Raquote.svg.png 2x" data-file-width="720" data-file-height="720" /></span></span> </p><div class="quoted">John Michell<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> </div> </blockquote> <p>Michell anså det som usannsynlig, men fullt mulig, at flere slike objekter kunne finnes i <a href="/wiki/Universet" title="Universet">universet</a>. Michells forestilling om at lyset sendes ut fra en slik supermassiv stjerne for så å bremses opp, stoppe og falle tilbake, er senere tilbakevist av moderne relativitetsteorier. </p><p>I 1796 fremmet den franske matematikeren <a href="/wiki/Pierre-Simon_Laplace" title="Pierre-Simon Laplace">Pierre-Simon Laplace</a> den samme tanken i de første og andre utgavene av sin bok <i>Exposition du système du Monde</i> (men den ble fjernet fra senere utgaver).<sup id="cite_ref-10" class="reference"><a href="#cite_note-10"><span class="cite-bracket">[</span>10<span class="cite-bracket">]</span></a></sup><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> Slike «mørke stjerner» ble hovedsakelig oversett på <a href="/wiki/1800-tallet" class="mw-redirect" title="1800-tallet">1800-tallet</a> da det ikke ble forstått hvordan en bølge uten masse som lys kunne påvirkes av tyngdekraften.<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> <div class="mw-heading mw-heading3"><h3 id="Den_generelle_relativitetsteorien">Den generelle relativitetsteorien</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Sort_hull&veaction=edit&section=2" title="Rediger avsnitt: Den generelle relativitetsteorien" class="mw-editsection-visualeditor"><span>rediger</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Sort_hull&action=edit&section=2" title="Rediger kildekoden til seksjonen Den generelle relativitetsteorien"><span>rediger kilde</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/Fil:Accretion_disk.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/2/2a/Accretion_disk.jpg/250px-Accretion_disk.jpg" decoding="async" width="250" height="200" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/2/2a/Accretion_disk.jpg/375px-Accretion_disk.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/2/2a/Accretion_disk.jpg/500px-Accretion_disk.jpg 2x" data-file-width="3000" data-file-height="2400" /></a><figcaption>En kunstnerisk fremstilling av et roterende sort hull med en nærliggende stjerne utenfor dens <a href="/wiki/Roche-grense" class="mw-redirect" title="Roche-grense">Roche-grense</a>. Materiale fra stjernen trekkes inn mot det sorte hullet og danner en <a href="/wiki/Akkresjonsskive" title="Akkresjonsskive">akkresjonsskive</a> samtidig som akselerasjonen av materialet som faller inn gjennom hendelseshorisonten skaper intens røntgenstråling som slynges ut langs hullets rotasjonsakse.</figcaption></figure> <p><a href="/wiki/Albert_Einstein" title="Albert Einstein">Albert Einsteins</a> <a href="/wiki/Den_generelle_relativitetsteorien" title="Den generelle relativitetsteorien">generelle relativitetsteori</a> i <a href="/wiki/1915" title="1915">1915</a> endret dette. Han hadde tidligere påvist at tyngdekraft faktisk påvirket lys. Noen måneder etter utgivelsen av relativitetsteorien utga <a href="/wiki/Karl_Schwarzschild" title="Karl Schwarzschild">Karl Schwarzschild</a> løsningen på <a href="/wiki/Ligning_(matematikk)" title="Ligning (matematikk)">ligningen</a> som beskrev gravitasjonsfeltet hos en punktformet masse i et for øvrig tomt rom og antydet dermed at det som vi i dag kaller for et sort hull faktisk kunne eksistere. <a href="/wiki/Schwarzschild-radius" title="Schwarzschild-radius">Schwarzschild-radius</a> betegner radien et ikke-roterende objekt må komprimeres til for at unnslipningshastigheten skal overstige lyshastigheten (og dermed skape et sort hull). Schwarzschild selv trodde ikke at sorte hull kunne manifestere seg fysisk.<sup id="cite_ref-13" class="reference"><a href="#cite_note-13"><span class="cite-bracket">[</span>13<span class="cite-bracket">]</span></a></sup> Noen få måneder etter Schwarzschild kunne <a href="/w/index.php?title=Johannes_Droste&action=edit&redlink=1" class="new" title="Johannes Droste (ikke skrevet ennå)">Johannes Droste</a>, en student av <a href="/wiki/Hendrik_Lorentz" class="mw-redirect" title="Hendrik Lorentz">Hendrik Lorentz</a>, uavhengig gi den samme løsningen for en punktmasse og han skrev mer utfyllende om dens proporsjoner.<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> </p><p>Robert Oppenheimer (sammen med <a href="/w/index.php?title=Solomon_H._Snyder&action=edit&redlink=1" class="new" title="Solomon H. Snyder (ikke skrevet ennå)">Solomon H. Snyder</a>) forutså således at store stjerner kunne gjennomgå en dramatisk gravitasjonskollaps. Sorte hull kunne i prinsippet oppstå i naturen. I en periode kaltes slike legemer for frosne stjerner. De inntil videre hypotetiske sorte hullene fikk dog ingen større oppmerksomhet før sent på <a href="/wiki/1960-tallet" class="mw-redirect" title="1960-tallet">1960-tallet</a> da interessen for kollapsede objekter ble vekket på nytt av oppdagelsen av <a href="/wiki/Pulsar" title="Pulsar">pulsarer</a> (<a href="/wiki/N%C3%B8ytronstjerne" title="Nøytronstjerne">nøytronstjerner</a>). Kort tid etter ble begrepet «sort hull» (<i>black hole</i>) første gang benyttet av den teoretiske fysikeren <a href="/wiki/John_Archibald_Wheeler" title="John Archibald Wheeler">John Archibald Wheeler</a> under en konferanse i 1967. Tidligere hadde uttrykket «sort stjerne» (<i>black star</i>) vært benyttet. Uttrykket forekommer i blant annet et tidlig avsnitt av <i><a href="/wiki/Star_Trek" title="Star Trek">Star Trek</a></i>. I <a href="/wiki/Fransk" title="Fransk">fransk</a> og <a href="/wiki/Russisk" title="Russisk">russisk</a> oversettelse har betydningen av «sort hull» en tilleggsmening som «vakkert sammenstøt», noe som er årsaken til at begrepet «svart stjerne» til en viss grad fortsatt blir benyttet<sup class="Template-Fact" style="white-space:nowrap;">[<i><a href="/wiki/Hjelp:Trenger_referanse" title="Hjelp:Trenger referanse"><span title="Foregående påstand trenger referanse">trenger referanse</span></a></i>]</sup>. </p><p>22. januar 2014 lanserte <a href="/wiki/Stephen_Hawking" title="Stephen Hawking">Stephen Hawking</a> en teori om at hendelsehorisonten som definerer sorte hull ikke eksisterer.<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> Han skrev i rapporten <i>Information Preservation and Weather Forecasting for Black Holes</i> at det ikke finnes noen sorte hull på grunn av fraværet av en hendelseshorisont, og at lys og materiale som fanges av et sort hull ikke kan bli fullstendig tilintegjort. Et alternativt forslag er at kvantefysikken får rommet ved et sort hull til å oppføre seg så vilt at det ikke går an å snakke om noen hendelseshorisont. Systemer vil til slutt slippe ut igjen om de har havnet i et sort hull.<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><p>På 1970-tallet ble det lansert en alternativ <a href="/wiki/Hypotese" title="Hypotese">hypotese</a> som foreslo at et sort hull kan være forbundet med et såkalt <a href="/wiki/Hvitt_hull" title="Hvitt hull">hvitt hull</a> og danne et «<a href="/wiki/Ormehull" title="Ormehull">ormehull</a>» i <a href="/wiki/Romtid" class="mw-redirect" title="Romtid">romtid</a>. Hvite hull skulle ifølge hypotesen kunne manifestere seg som et <a href="/wiki/Gammaglimt" title="Gammaglimt">gammaglimt</a>, men det finnes pr. 2018 ingen observasjoner som underbygger denne hypotesen.<sup id="cite_ref-17" class="reference"><a href="#cite_note-17"><span class="cite-bracket">[</span>17<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="Rådende_teorier_om_sorte_hull"><span id="R.C3.A5dende_teorier_om_sorte_hull"></span>Rådende teorier om sorte hull</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Sort_hull&veaction=edit&section=3" title="Rediger avsnitt: Rådende teorier om sorte hull" class="mw-editsection-visualeditor"><span>rediger</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Sort_hull&action=edit&section=3" title="Rediger kildekoden til seksjonen Rådende teorier om sorte hull"><span>rediger kilde</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Siden hverken lys eller stråling kan unnslippe et sort hull, er det ikke mulig å observere direkte hva som befinner seg i senteret. Pr. 2018 er det ingen som med sikkerhet vet hva som finnes inne i et sort hull, og det finnes heller ingen fysiske modeller eller teorier som fullt ut forklarer disse ekstreme objektene. På overflaten til et tenkt objekt i det sorte hullets gravitasjonssenter vil lyshastigheten være overskredet, noe som gjør at den generelle relativitetsteorien ikke lenger er tilstrekkelig for å forklare hva som skjer. Et hypotetisk éndimensjonalt punkt uten utstrekning og med uendelig tetthet er en modell som brukes for å forsøke å forklare hva som skjer. Dette punktet kalles en <a href="/wiki/Singularitet" title="Singularitet">singularitet</a>, og det sorte hullets samlede masse befinner seg i dette punktet. </p><p>To hovedtyper sorte hull synes å eksistere. I den ene enden av størrelsesskalaen er sorte hull som er oppstått etter at en stor stjerne har kollapset. Disse sorte hullene har masse som tilsvarer tre ganger solens masse og oppover. De antas å være spredd rundt om i galaksene og universet, og er nærmest umulig å oppdage. I den andre enden av skalaen er <a href="/wiki/Supermassivt_sort_hull" title="Supermassivt sort hull">supermassive sorte hull</a>, som antas å finnes i sentrum av de fleste galaksene. Et supermassivt sort hull kan ha en masse tilsvarende mange millioner sol-masser. Når materiale – som gass fra en stjerne som kommer for nær – faller inn i et supermassivt sort hull, vil det genereres en ekstremt intens stråling; både synlig lys og røntgen- og gammastråling. Disse objektene kalles <a href="/wiki/Kvasar" title="Kvasar">kvasarer</a>, og er de mest strålingssterke objektene som er kjent. </p><p>Det er ikke funnet bevis for at såkalte «mellomstore» sorte hull eksisterer. Observasjoner gjort av romteleskopene <a href="/wiki/Hubble-teleskopet" title="Hubble-teleskopet">Hubble</a> (synlig lys), <a href="/wiki/Chandra-teleskopet" title="Chandra-teleskopet">Chandra</a> og <a href="/w/index.php?title=XMM-Newton&action=edit&redlink=1" class="new" title="XMM-Newton (ikke skrevet ennå)">XMM-Newton</a> (røntgensstråler) har imidlertid styrket <a href="/wiki/Hypotese" title="Hypotese">hypotesen</a> om at slike mellomstore sorte hull kan finnes.<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> </p> <div class="mw-heading mw-heading2"><h2 id="Referanser">Referanser</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Sort_hull&veaction=edit&section=4" title="Rediger avsnitt: Referanser" class="mw-editsection-visualeditor"><span>rediger</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Sort_hull&action=edit&section=4" title="Rediger kildekoden til seksjonen Referanser"><span>rediger kilde</span></a><span class="mw-editsection-bracket">]</span></span></div> <div class="mw-references-wrap mw-references-columns"><ol class="references"> <li id="cite_note-1"><b><a href="#cite_ref-1">^</a></b> <span class="reference-text"><cite class="citation web">Kraus, Ute. <a rel="nofollow" class="external text" href="http://www.spacetimetravel.org/expeditionsl/expeditionsl.html">«Step by Step into a Black Hole»</a><span class="reference-accessdate">. Besøkt 20. mars 2005</span>.</cite><span title="ctx_ver=Z39.88-2004&rfr_id=info%3Asid%2Fno.wikipedia.org%3ASort+hull&rft.aufirst=Ute&rft.aulast=Kraus&rft.btitle=Step+by+Step+into+a+Black+Hole&rft.genre=unknown&rft_id=http%3A%2F%2Fwww.spacetimetravel.org%2Fexpeditionsl%2Fexpeditionsl.html&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook" class="Z3988"><span style="display:none;"> </span></span></span> </li> <li id="cite_note-2"><b><a href="#cite_ref-2">^</a></b> <span class="reference-text">Davies, P.C.W. (1978): <a rel="nofollow" class="external text" href="http://cosmos.asu.edu/publications/papers/ThermodynamicTheoryofBlackHoles%2034.pdf">«Thermodynamics of Black Holes»</a> <a rel="nofollow" class="external text" href="https://web.archive.org/web/20130510184530/http://cosmos.asu.edu/publications/papers/ThermodynamicTheoryofBlackHoles%2034.pdf">Arkivert</a> 10. mai 2013 hos <a href="/wiki/Wayback_Machine" title="Wayback Machine">Wayback Machine</a>. (PDF). <i>Reports on Progress in Physics</i> <b>41</b> (8): 1313–1355. doi:<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>.</span> </li> <li id="cite_note-3"><b><a href="#cite_ref-3">^</a></b> <span class="reference-text"><cite class="citation web"><a rel="nofollow" class="external text" href="http://www.astro.ucla.edu/~ghezgroup/gc/journey/smbh.html">«The Supermassive Black Hole at the Galactic Center»</a>. <i>www.astro.ucla.edu</i><span class="reference-accessdate">. Besøkt 11. april 2019</span>.</cite><span title="ctx_ver=Z39.88-2004&rfr_id=info%3Asid%2Fno.wikipedia.org%3ASort+hull&rft.atitle=The+Supermassive+Black+Hole+at+the+Galactic+Center&rft.genre=unknown&rft.jtitle=www.astro.ucla.edu&rft_id=http%3A%2F%2Fwww.astro.ucla.edu%2F~ghezgroup%2Fgc%2Fjourney%2Fsmbh.html&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal" class="Z3988"><span style="display:none;"> </span></span></span> </li> <li id="cite_note-4"><b><a href="#cite_ref-4">^</a></b> <span class="reference-text"><cite class="citation web">Davide Castelvecchi (10. april 2019). <a rel="nofollow" class="external text" href="https://www.nature.com/articles/d41586-019-01155-0">«Black hole pictured for first time — in spectacular detail»</a> (på engelsk). <a href="/wiki/Nature" title="Nature">Nature</a><span class="reference-accessdate">. Besøkt 13. april 2019</span>.</cite><span title="ctx_ver=Z39.88-2004&rfr_id=info%3Asid%2Fno.wikipedia.org%3ASort+hull&rft.au=Davide+Castelvecchi&rft.btitle=Black+hole+pictured+for+first+time+%E2%80%94+in+spectacular+detail&rft.date=2019-04-10&rft.genre=unknown&rft.pub=Nature&rft_id=https%3A%2F%2Fwww.nature.com%2Farticles%2Fd41586-019-01155-0&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook" class="Z3988"><span style="display:none;"> </span></span></span> </li> <li id="cite_note-5"><b><a href="#cite_ref-5">^</a></b> <span class="reference-text"><cite class="citation web">Hannah Devlin (10. april 2019). <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> (på engelsk). <a href="/wiki/The_Guardian" title="The Guardian">The Guardian</a><span class="reference-accessdate">. Besøkt 10. april 2019</span>.</cite><span title="ctx_ver=Z39.88-2004&rfr_id=info%3Asid%2Fno.wikipedia.org%3ASort+hull&rft.au=Hannah+Devlin&rft.btitle=Black+hole+picture+captured+for+first+time+in+space+%E2%80%98breakthrough%E2%80%99&rft.date=2019-04-10&rft.genre=unknown&rft.pub=The+Guardian&rft_id=https%3A%2F%2Fwww.theguardian.com%2Fscience%2F2019%2Fapr%2F10%2Fblack-hole-picture-captured-for-first-time-in-space-breakthrough&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook" class="Z3988"><span style="display:none;"> </span></span></span> </li> <li id="cite_note-6"><b><a href="#cite_ref-6">^</a></b> <span class="reference-text"><cite class="citation web">Pallab Ghosh (10. april 2019). <a rel="nofollow" class="external text" href="https://www.bbc.com/news/science-environment-47873592">«First ever black hole image released»</a> (på engelsk). <a href="/wiki/BBC" title="BBC">BBC</a><span class="reference-accessdate">. Besøkt 10. april 2019</span>.</cite><span title="ctx_ver=Z39.88-2004&rfr_id=info%3Asid%2Fno.wikipedia.org%3ASort+hull&rft.au=Pallab+Ghosh&rft.btitle=First+ever+black+hole+image+released&rft.date=2019-04-10&rft.genre=unknown&rft.pub=BBC&rft_id=https%3A%2F%2Fwww.bbc.com%2Fnews%2Fscience-environment-47873592&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook" class="Z3988"><span style="display:none;"> </span></span></span> </li> <li id="cite_note-7"><b><a href="#cite_ref-7">^</a></b> <span class="reference-text"><cite class="citation journal">Antxon Alberdi, Walter Alef, Keiichi Asada m.fl. (2019). <a rel="nofollow" class="external text" href="https://iopscience.iop.org/article/10.3847/2041-8213/ab0ec7">«First M87 Event Horizon Telescope Results. I. The Shadow of the Supermassive Black Hole»</a>. <i>The Astrophysical Journal Letters</i>. 875 (1). <a href="/wiki/Digital_objektidentifikator" title="Digital objektidentifikator">doi</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.3847%2F2041-8205">10.3847/2041-8205</a>.</cite><span title="ctx_ver=Z39.88-2004&rfr_id=info%3Asid%2Fno.wikipedia.org%3ASort+hull&rft.atitle=First+M87+Event+Horizon+Telescope+Results.+I.+The+Shadow+of+the+Supermassive+Black+Hole&rft.date=2019&rft.genre=article&rft.issue=1&rft.jtitle=The+Astrophysical+Journal+Letters&rft.volume=875&rft_id=https%3A%2F%2Fiopscience.iop.org%2Farticle%2F10.3847%2F2041-8213%2Fab0ec7&rft_id=info%3Adoi%2F10.3847%2F2041-8205&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal" class="Z3988"><span style="display:none;"> </span></span></span> </li> <li id="cite_note-8"><b><a href="#cite_ref-8">^</a></b> <span class="reference-text"><cite class="citation web">NTB (10. april 2019). <a rel="nofollow" class="external text" href="https://www.vg.no/nyheter/utenriks/i/9vp21p/forskere-viser-det-foerste-bildet-av-et-sort-hull">«Forskere viser det første bildet av et sort hull»</a> (på norsk). <a href="/wiki/VG" title="VG">VG</a><span class="reference-accessdate">. Besøkt 10. april 2019</span>.</cite><span title="ctx_ver=Z39.88-2004&rfr_id=info%3Asid%2Fno.wikipedia.org%3ASort+hull&rft.au=NTB&rft.btitle=Forskere+viser+det+f%C3%B8rste+bildet+av+et+sort+hull&rft.date=2019-04-10&rft.genre=unknown&rft.pub=VG&rft_id=https%3A%2F%2Fwww.vg.no%2Fnyheter%2Futenriks%2Fi%2F9vp21p%2Fforskere-viser-det-foerste-bildet-av-et-sort-hull&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook" class="Z3988"><span style="display:none;"> </span></span></span> </li> <li id="cite_note-9"><b><a href="#cite_ref-9">^</a></b> <span class="reference-text">Michell, J. (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>Philosophical Transactions of the Royal Society</i> <b>74</b> (0): 35–57. Bibcode <a rel="nofollow" class="external text" href="http://adsabs.harvard.edu/abs/1784RSPT...74...35M">1784RSPT...74...35M</a>. doi:<a rel="nofollow" class="external text" href="https://dx.doi.org/10.1098%2Frstl.1784.0008">10.1098/rstl.1784.0008</a>. JSTOR <a rel="nofollow" class="external text" href="http://www.jstor.org/stable/106576">106576</a>. Originalteksten er som følger: «If the semi-diameter of a sphere of the same density as the Sun were to exceed that of the Sun in the proportion of 500 to 1, a body falling from an infinite height towards it would have acquired at its surface greater velocity than that of light, and consequently supposing light to be attracted by the same force in proportion to its vis inertiae, with other bodies, all light emitted from such a body would be made to return towards it by its own proper gravity.»</span> </li> <li id="cite_note-10"><b><a href="#cite_ref-10">^</a></b> <span class="reference-text"><a rel="nofollow" class="external text" href="http://library.thinkquest.org/25715/discovery/conceiving.htm#darkstars">«Dark Stars (1783)»</a> <a rel="nofollow" class="external text" href="https://web.archive.org/web/20080626101731/http://library.thinkquest.org/25715/discovery/conceiving.htm#darkstars">Arkivert</a> 26. juni 2008 hos <a href="/wiki/Wayback_Machine" title="Wayback Machine">Wayback Machine</a>.. <i>Thinkquest</i>. 1999.</span> </li> <li id="cite_note-11"><b><a href="#cite_ref-11">^</a></b> <span class="reference-text">Israel, W. (1989): <a rel="nofollow" class="external text" href="http://books.google.com/books?id=Vq787qC5PWQC&lpg=PP1&pg=PA199#v=onepage&q&f=false">«Dark stars: the evolution of an idea»</a> i: Hawking, S.W.; Israel, W.: <i>300 Years of Gravitation</i>. Cambridge University Press. <a href="/wiki/Spesial:Bokkilder/9780521379762" class="internal mw-magiclink-isbn">ISBN 9780521379762</a>.</span> </li> <li id="cite_note-12"><b><a href="#cite_ref-12">^</a></b> <span class="reference-text">Thorne 1994, ss. 123–124</span> </li> <li id="cite_note-13"><b><a href="#cite_ref-13">^</a></b> <span class="reference-text">Schwarzschild, K. (1916): <a rel="nofollow" class="external text" href="http://www.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. og Schwarzschild, K. (1916): <a rel="nofollow" class="external text" href="http://www.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.</span> </li> <li id="cite_note-14"><b><a href="#cite_ref-14">^</a></b> <span class="reference-text">Droste, J. (1915): «On the field of a single centre in Einstein's theory of gravitation». <i>Koninklijke Nederlandsche Akademie van Wetenschappen Proceedings</i> <b>17</b> (3): 998–1011.</span> </li> <li id="cite_note-15"><b><a href="#cite_ref-15">^</a></b> <span class="reference-text"><cite class="citation journal">Hawking, S. W. (22. januar 2014). <a rel="nofollow" class="external text" href="http://arxiv.org/abs/1401.5761">«Information Preservation and Weather Forecasting for Black Holes»</a>. <i>arXiv:1401.5761 [gr-qc, physics:hep-th]</i><span class="reference-accessdate">. Besøkt 27. oktober 2020</span>.</cite><span title="ctx_ver=Z39.88-2004&rfr_id=info%3Asid%2Fno.wikipedia.org%3ASort+hull&rft.atitle=Information+Preservation+and+Weather+Forecasting+for+Black+Holes&rft.aufirst=S.+W.&rft.aulast=Hawking&rft.date=2014-01-22&rft.genre=article&rft.jtitle=arXiv%3A1401.5761+%5Bgr-qc%2C+physics%3Ahep-th%5D&rft_id=http%3A%2F%2Farxiv.org%2Fabs%2F1401.5761&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal" class="Z3988"><span style="display:none;"> </span></span></span> </li> <li id="cite_note-16"><b><a href="#cite_ref-16">^</a></b> <span class="reference-text"><cite class="citation web">Solbu, Erlend Lånke (28. januar 2014). <a rel="nofollow" class="external text" href="https://www.nrk.no/viten/_-det-finnes-ingen-sorte-hull-1.11498451">«– Det finnes ingen sorte hull»</a>. <i>NRK</i><span class="reference-accessdate">. Besøkt 27. oktober 2020</span>.</cite><span title="ctx_ver=Z39.88-2004&rfr_id=info%3Asid%2Fno.wikipedia.org%3ASort+hull&rft.atitle=%E2%80%93+Det+finnes+ingen+sorte+hull&rft.aufirst=Erlend+L%C3%A5nke&rft.aulast=Solbu&rft.date=2014-01-28&rft.genre=unknown&rft.jtitle=NRK&rft_id=https%3A%2F%2Fwww.nrk.no%2Fviten%2F_-det-finnes-ingen-sorte-hull-1.11498451&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal" class="Z3988"><span style="display:none;"> </span></span></span> </li> <li id="cite_note-17"><b><a href="#cite_ref-17">^</a></b> <span class="reference-text"><a rel="nofollow" class="external text" href="http://earthsky.org/space/have-we-seen-a-white-hole">Earth Sky: Have we seen a white hole? (publisert 27. mai 2011)</a> Besøkt 9. mars 2018</span> </li> <li id="cite_note-18"><b><a href="#cite_ref-18">^</a></b> <span class="reference-text"><cite class="citation web"><a rel="nofollow" class="external text" href="https://science.nasa.gov/astrophysics/focus-areas/black-holes">«Black Holes | Science Mission Directorate»</a>. <i>science.nasa.gov</i><span class="reference-accessdate">. Besøkt 11. april 2019</span>.</cite><span title="ctx_ver=Z39.88-2004&rfr_id=info%3Asid%2Fno.wikipedia.org%3ASort+hull&rft.atitle=Black+Holes+%7C+Science+Mission+Directorate&rft.genre=unknown&rft.jtitle=science.nasa.gov&rft_id=https%3A%2F%2Fscience.nasa.gov%2Fastrophysics%2Ffocus-areas%2Fblack-holes&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal" class="Z3988"><span style="display:none;"> </span></span></span> </li> </ol></div> <div class="mw-heading mw-heading2"><h2 id="Litteratur">Litteratur</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Sort_hull&veaction=edit&section=5" title="Rediger avsnitt: Litteratur" class="mw-editsection-visualeditor"><span>rediger</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Sort_hull&action=edit&section=5" title="Rediger kildekoden til seksjonen Litteratur"><span>rediger kilde</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li>Carroll, Sean M. (2003): <i>Spacetime and Geometry: An Introduction to General Relativity</i>, Addison-Wesley, San Francisco. <a href="/wiki/Spesial:Bokkilder/0805387323" class="internal mw-magiclink-isbn">ISBN 0-8053-8732-3</a>.</li> <li>Melia, Fulvio (2003): <i>The Black Hole in the Center of Our Galaxy</i>, Princeton University Press.</li> <li>Melia, Fulvio (2007): <i>The Galactic Supermassive Black Hole</i>, Princeton University Press.</li> <li>Shapiro, S. L.; Teukolsky, S. A. (1983): <i>Black Holes, White Dwarfs and Neutron Stars: The Physics of Compact Objects</i>, Wiley-Interscience.</li> <li>Taylor, Edwin F.; Wheeler, John. A. (2000): <i>Exploring Black Holes: Introduction to General Relativity</i>, Benjamin Cummings.</li> <li>Thorne, Kip S. (1994): <i>Black Holes and Time Warps: Einstein's Outrageous Legacy</i>, W. W. Norton, New York. <a href="/wiki/Spesial:Bokkilder/0393312763" class="internal mw-magiclink-isbn">ISBN 0-393-31276-3</a>.</li> <li><a rel="nofollow" class="external text" href="http://www.scholarpedia.org/article/Black_holes">«Black Holes»</a>. <i>Scholarpedia</i>. 2008</li> <li><a rel="nofollow" class="external text" href="http://hubblesite.org/discoveries/black_holes/home.html">«Black Holes. Gravity's Relentless Pull»</a>. <i>Hubblesite</i>. Et interaktiv undervisningsnettsted om svarte hull</li> <li>Hammerstrøm, Maria (2019): <i>Den lille boka om Universet</i></li></ul> <div class="mw-heading mw-heading2"><h2 id="Eksterne_lenker">Eksterne lenker</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Sort_hull&veaction=edit&section=6" title="Rediger avsnitt: Eksterne lenker" class="mw-editsection-visualeditor"><span>rediger</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Sort_hull&action=edit&section=6" title="Rediger kildekoden til seksjonen Eksterne lenker"><span>rediger kilde</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><span class="bjeller languageicon" style="color: var(--color-subtle, #54595d);cursor:help;" title="engelsk">(en)</span> <a href="https://commons.wikimedia.org/wiki/Category:Black_holes" class="extiw" title="commons:Category:Black holes">Black holes</a> – kategori av bilder, video eller lyd på <a href="/wiki/Wikimedia_Commons" title="Wikimedia Commons">Commons</a> <span class="noprint plainlinks wikidata-linkback wd_p373"><span class="mw-valign-text-top" typeof="mw:File/Frameless"><a href="https://www.wikidata.org/wiki/Q589?uselang=nb#P373" title="Rediger på Wikidata"><img alt="Rediger på Wikidata" 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></span></li> <li><span class="bjeller languageicon" style="color: var(--color-subtle, #54595d);cursor:help;" title="engelsk">(en)</span> <a href="https://commons.wikimedia.org/wiki/Black_hole" class="extiw" title="commons:Black hole">Black hole</a> – galleri av bilder, video eller lyd på <a href="/wiki/Wikimedia_Commons" title="Wikimedia Commons">Commons</a> <span class="noprint plainlinks wikidata-linkback wd_p935"><span class="mw-valign-text-top" typeof="mw:File/Frameless"><a href="https://www.wikidata.org/wiki/Q589?uselang=nb#P935" title="Rediger på Wikidata"><img alt="Rediger på Wikidata" 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></span></li> <li><span class="bjeller languageicon" style="color: var(--color-subtle, #54595d);cursor:help;" title="engelsk">(en)</span> <a rel="nofollow" class="external text" href="http://astrothesaurus.org/uat/162">sort hull</a> i <a href="/w/index.php?title=Unified_Astronomy_Thesaurus&action=edit&redlink=1" class="new" title="Unified Astronomy Thesaurus (ikke skrevet ennå)">Unified Astronomy Thesaurus</a> <span class="noprint plainlinks wikidata-linkback wd_p4466"><span class="mw-valign-text-top" typeof="mw:File/Frameless"><a href="https://www.wikidata.org/wiki/Q589?uselang=nb#P4466" title="Rediger på Wikidata"><img alt="Rediger på Wikidata" 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></span></li> <li><span class="bjeller" style="color: var(--color-subtle, #54595d); cursor:help;" title="norsk">(no)</span> <a rel="nofollow" class="external text" href="https://web.archive.org/web/20011223064122/http://www.astro.uio.no/ita/artikler/sorte_hull.html">Artikler om sorte hull</a> hos <a href="/wiki/Universitetet_i_Oslo" title="Universitetet i Oslo">Universitetet i Oslo</a> (UiO)</li> <li><span class="bjeller" style="color: var(--color-subtle, #54595d); cursor:help;" title="norsk">(no)</span> <a rel="nofollow" class="external text" href="http://forskning.no/universet-romforskning-sorte-hull-stjerner-stub/2008/02/hva-er-et-sort-hull">Hva er et sort hull?</a>, <i>Forskning.no</i> 23. oktober 2002</li> <li><span class="bjeller" style="color: var(--color-subtle, #54595d); cursor:help;" title="svensk">(sv)</span> <a rel="nofollow" class="external text" href="http://www.kosmologika.net/Blackholes/index.html">«Svarta hål»</a> hos <i>Kosmologika.net</i> (svensk)</li> <li><span class="bjeller" style="color: var(--color-subtle, #54595d); cursor:help;" title="engelsk">(en)</span> <a rel="nofollow" class="external text" href="https://eventhorizontelescope.org/">Hjemmeside for <i>Event Horizon Telescope</i></a></li></ul> <p><br /> </p> <div class="navbox-styles"><style data-mw-deduplicate="TemplateStyles:r23230704">.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 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td.hlist ul{padding:0.125em 0}.mw-parser-output .navbox .navbar{display:block;font-size:100%}.mw-parser-output .navbox-title .navbar{float:left;text-align:left;margin-right:0.5em}body.skin--responsive .mw-parser-output .navbox-image img{max-width:none!important}</style></div><div role="navigation" class="navbox" aria-labelledby="Universet" style="padding:3px"><table class="nowraplinks hlist mw-collapsible mw-collapsed navbox-inner" style="border-spacing:0;background:transparent;color:inherit"><tbody><tr><th scope="col" class="navbox-title" colspan="3"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r23230704"><style data-mw-deduplicate="TemplateStyles:r24561741">.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 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malen">r</abbr></a></li></ul></div><div id="Universet" style="font-size:114%;margin:0 4em"><a href="/wiki/Universet" title="Universet">Universet</a></div></th></tr><tr><td class="navbox-abovebelow" colspan="3"><div>Universet består av <a href="/wiki/Element%C3%A6rpartikkel" title="Elementærpartikkel">elementærpartikler</a> og <a href="/wiki/Vakuum" title="Vakuum">vakuum</a>. Partiklene er fordelt ujevnt og partiklene og partikkelklynger benevnes forskjellig avhengig av <a href="/wiki/Tetthet" title="Tetthet">tetthet</a> og <a href="/wiki/Mengde" title="Mengde">mengde</a>; klyngene spenner fra <a href="/wiki/Subatom%C3%A6r_partikkel" title="Subatomær partikkel">subatomære partikler</a> til <a class="mw-selflink selflink">sorte hull</a>. <a href="/wiki/Det_observerbare_universet" title="Det observerbare universet">Det observerbare universet</a> er den delen av universet <a href="/wiki/Lys" title="Lys">lys</a> kan ha nådd oss fra siden universet ble skapt. Muligens inneholder universet kun 4 % <a href="/wiki/Lysende_materie" title="Lysende materie">lysende materie</a>, mens 22 % er <a href="/wiki/M%C3%B8rk_materie" title="Mørk materie">mørk materie</a> og 74 % <a href="/wiki/M%C3%B8rk_energi" title="Mørk energi">mørk energi</a>.</div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">En <a href="/wiki/Mengde" title="Mengde">mengde</a> av partikkelklynger i <a href="/wiki/Vakuum" title="Vakuum">vakuum</a> er</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0em 0.25em"> <ul><li><a href="/wiki/Gass" title="Gass">Gass</a></li> <li><a href="/wiki/Atmosf%C3%A6re" title="Atmosfære">Atmosfære</a></li> <li><a href="/wiki/Solvind" title="Solvind">Solvind</a></li> <li><a href="/wiki/Stjernevind" title="Stjernevind">Stjernevind</a></li> <li><a href="/wiki/Kosmisk_str%C3%A5ling" title="Kosmisk stråling">Kosmisk stråling</a></li> <li><a href="/wiki/Asteroidebeltet" title="Asteroidebeltet">Asteroidebeltet</a></li> <li><a href="/wiki/Stjernehop" title="Stjernehop">Stjernehop</a></li> <li><a href="/wiki/Stjernet%C3%A5ke" title="Stjernetåke">Stjernetåke</a></li> <li><a href="/wiki/Solsystemet" title="Solsystemet">Solsystemet</a></li> <li><a href="/wiki/Planetsystem" title="Planetsystem">Planetsystem</a></li> <li><a href="/wiki/Galaksehop" title="Galaksehop">Galaksehop</a></li></ul> </div></td><td class="noviewer navbox-image" rowspan="7" style="width:1px;padding:0 0 0 2px"><div><span typeof="mw:File"><a href="/wiki/Fil:00Galaxy_NGC1300.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/8/82/00Galaxy_NGC1300.jpg/200px-00Galaxy_NGC1300.jpg" decoding="async" width="200" height="200" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/8/82/00Galaxy_NGC1300.jpg 1.5x" data-file-width="271" data-file-height="271" /></a></span></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Galakse" title="Galakse">Galakserelaterte</a> artikler</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0em 0.25em"> <ul><li><a href="/wiki/Aktiv_galaksekjerne" title="Aktiv galaksekjerne">Aktiv galaksekjerne</a> <ul><li><a href="/wiki/Seyfert-galakse" title="Seyfert-galakse">Seyfert</a></li> <li><a href="/wiki/Kvasar" title="Kvasar">Kvasar</a></li> <li><a href="/wiki/Blazar" title="Blazar">Blazar</a></li></ul></li> <li><a href="/wiki/Melkeveien" title="Melkeveien">Melkeveien</a></li> <li><a href="/wiki/Messierkatalogen" title="Messierkatalogen">Messierobjekt</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Stjernerelaterte artikler inkl. <a href="/wiki/Spektralklasse" title="Spektralklasse">spektralklasser</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0em 0.25em"> <ul><li><a href="/wiki/Astronomi" title="Astronomi">Astronomi</a></li> <li><a href="/wiki/Brun_dverg" title="Brun dverg">Brun dverg</a></li> <li><a href="/wiki/Hvit_dverg" title="Hvit dverg">Hvit dverg</a></li> <li><a href="/wiki/Stjerne" title="Stjerne">Stjerne</a></li> <li><a href="/wiki/Kjempestjerne" title="Kjempestjerne">Kjempestjerne</a></li> <li><a href="/wiki/R%C3%B8d_kjempe" title="Rød kjempe">Rød kjempe</a></li> <li><a href="/wiki/N%C3%B8ytronstjerne" title="Nøytronstjerne">Nøytronstjerne</a> <ul><li><a href="/wiki/Pulsar" title="Pulsar">pulsar</a></li> <li><a href="/wiki/Rrat" title="Rrat">rrat</a></li> <li><a href="/wiki/Magnetar" title="Magnetar">magnetar</a></li> <li><a href="/wiki/Q-stjerne" title="Q-stjerne">Q-stjerne</a></li></ul></li> <li><a href="/wiki/Preonstjerne" title="Preonstjerne">preonstjerne</a></li> <li><a href="/wiki/Kvarkstjerne" title="Kvarkstjerne">Kvarkstjerne</a></li> <li><a class="mw-selflink selflink">Sort hull</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Stjernebegivenheter</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0em 0.25em"> <ul><li><a href="/wiki/Supernova" title="Supernova">Supernova</a></li> <li><a href="/wiki/Hypernova" title="Hypernova">Hypernova</a></li> <li><a href="/wiki/Planetarisk_t%C3%A5ke" title="Planetarisk tåke">Planetarisk tåke</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Mindre himmellegemer</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0em 0.25em"> <ul><li><a href="/wiki/Gasskjempe" title="Gasskjempe">Gasskjempe</a></li> <li><a href="/wiki/Planet" title="Planet">Planet</a></li> <li><a href="/wiki/Naturlig_satellitt" title="Naturlig satellitt">Måne</a></li> <li><a href="/wiki/Komet" title="Komet">Komet</a></li> <li><a href="/wiki/Meteoritt" title="Meteoritt">Meteoritt</a> (<a href="/wiki/Meteor" title="Meteor">meteor</a>)</li> <li><a href="/wiki/Dvergplanet" title="Dvergplanet">Dvergplanet</a> <ul><li><a href="/wiki/Asteroide" title="Asteroide">asteroide</a></li> <li><a href="/wiki/Sm%C3%A5planet" title="Småplanet">småplanet</a></li></ul></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Romfart" title="Romfart">Romfart</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0em 0.25em"> <ul><li><a href="/wiki/Romelevator" title="Romelevator">Romelevator</a></li> <li><a href="/wiki/Romskip" title="Romskip">Romfartøy</a> <ul><li><a href="/wiki/Romferge" title="Romferge">romferge</a></li> <li><a href="/wiki/Romskip" title="Romskip">romskip</a></li></ul></li> <li><a href="/wiki/Romsonde" title="Romsonde">Romsonde</a></li> <li><a href="/wiki/Romstasjon" title="Romstasjon">Romstasjon</a></li> <li><a href="/wiki/Romfarer" title="Romfarer">Romfarer</a></li></ul> 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