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class="vector-toc-numb">2</span> <span>Descrizione</span> </div> </a> <button aria-controls="toc-Descrizione-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>Attiva/disattiva la sottosezione Descrizione</span> </button> <ul id="toc-Descrizione-sublist" class="vector-toc-list"> <li id="toc-Struttura" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Struttura"> <div class="vector-toc-text"> <span class="vector-toc-numb">2.1</span> <span>Struttura</span> </div> </a> <ul id="toc-Struttura-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Distribuzione_delle_galassie" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Distribuzione_delle_galassie"> <div class="vector-toc-text"> <span class="vector-toc-numb">2.2</span> <span>Distribuzione delle galassie</span> </div> </a> <ul id="toc-Distribuzione_delle_galassie-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Dinamiche_su_grande_scala" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Dinamiche_su_grande_scala"> <div class="vector-toc-text"> <span class="vector-toc-numb">2.3</span> <span>Dinamiche su grande scala</span> </div> </a> <ul id="toc-Dinamiche_su_grande_scala-sublist" class="vector-toc-list"> </ul> </li> </ul> </li> <li id="toc-Note" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Note"> <div class="vector-toc-text"> <span class="vector-toc-numb">3</span> <span>Note</span> </div> </a> <ul id="toc-Note-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Bibliografia" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Bibliografia"> <div class="vector-toc-text"> <span class="vector-toc-numb">4</span> <span>Bibliografia</span> </div> </a> <ul id="toc-Bibliografia-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Voci_correlate" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Voci_correlate"> <div class="vector-toc-text"> <span class="vector-toc-numb">5</span> <span>Voci correlate</span> </div> </a> <ul id="toc-Voci_correlate-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Altri_progetti" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Altri_progetti"> <div class="vector-toc-text"> <span class="vector-toc-numb">6</span> <span>Altri progetti</span> </div> </a> <ul id="toc-Altri_progetti-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Collegamenti_esterni" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Collegamenti_esterni"> <div class="vector-toc-text"> <span class="vector-toc-numb">7</span> <span>Collegamenti esterni</span> </div> </a> <ul id="toc-Collegamenti_esterni-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="Indice" 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="Mostra/Nascondi l'indice" > <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">Mostra/Nascondi l'indice</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">Superammasso della Vergine</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="Vai a una voce in un'altra lingua. Disponibile in 43 lingue" > <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-43" 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">43 lingue</span> </label> <div class="vector-dropdown-content"> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="interlanguage-link interwiki-af mw-list-item"><a href="https://af.wikipedia.org/wiki/Virgo-superswerm" title="Virgo-superswerm - afrikaans" lang="af" hreflang="af" data-title="Virgo-superswerm" data-language-autonym="Afrikaans" data-language-local-name="afrikaans" class="interlanguage-link-target"><span>Afrikaans</span></a></li><li class="interlanguage-link interwiki-ar mw-list-item"><a href="https://ar.wikipedia.org/wiki/%D8%B9%D9%86%D9%82%D9%88%D8%AF_%D9%85%D8%AC%D8%B1%D8%A7%D8%AA_%D8%A7%D9%84%D8%B9%D8%B0%D8%B1%D8%A7%D8%A1_%D8%A7%D9%84%D8%B9%D8%B8%D9%8A%D9%85" title="عنقود مجرات العذراء العظيم - arabo" lang="ar" hreflang="ar" data-title="عنقود مجرات العذراء العظيم" data-language-autonym="العربية" data-language-local-name="arabo" class="interlanguage-link-target"><span>العربية</span></a></li><li class="interlanguage-link interwiki-be mw-list-item"><a href="https://be.wikipedia.org/wiki/%D0%9C%D1%8F%D1%81%D1%86%D0%BE%D0%B2%D0%B0%D0%B5_%D0%B7%D0%B2%D1%8B%D1%88%D1%81%D0%BA%D0%BE%D0%BF%D1%96%D1%88%D1%87%D0%B0_%D0%B3%D0%B0%D0%BB%D0%B0%D0%BA%D1%82%D1%8B%D0%BA" title="Мясцовае звышскопішча галактык - bielorusso" lang="be" hreflang="be" data-title="Мясцовае звышскопішча галактык" data-language-autonym="Беларуская" data-language-local-name="bielorusso" class="interlanguage-link-target"><span>Беларуская</span></a></li><li class="interlanguage-link interwiki-ca mw-list-item"><a href="https://ca.wikipedia.org/wiki/Superc%C3%BAmul_de_la_Verge" title="Supercúmul de la Verge - catalano" lang="ca" hreflang="ca" data-title="Supercúmul de la Verge" data-language-autonym="Català" data-language-local-name="catalano" class="interlanguage-link-target"><span>Català</span></a></li><li class="interlanguage-link interwiki-cs mw-list-item"><a href="https://cs.wikipedia.org/wiki/M%C3%ADstn%C3%AD_nadkupa_galaxi%C3%AD" title="Místní nadkupa galaxií - ceco" lang="cs" hreflang="cs" data-title="Místní nadkupa galaxií" data-language-autonym="Čeština" data-language-local-name="ceco" class="interlanguage-link-target"><span>Čeština</span></a></li><li class="interlanguage-link interwiki-cy mw-list-item"><a href="https://cy.wikipedia.org/wiki/Uwch_Glwstwr_Virgo" title="Uwch Glwstwr Virgo - gallese" lang="cy" hreflang="cy" data-title="Uwch Glwstwr Virgo" data-language-autonym="Cymraeg" data-language-local-name="gallese" class="interlanguage-link-target"><span>Cymraeg</span></a></li><li class="interlanguage-link interwiki-da mw-list-item"><a href="https://da.wikipedia.org/wiki/Virgo-superhoben" title="Virgo-superhoben - danese" lang="da" hreflang="da" data-title="Virgo-superhoben" data-language-autonym="Dansk" data-language-local-name="danese" class="interlanguage-link-target"><span>Dansk</span></a></li><li class="interlanguage-link interwiki-de mw-list-item"><a href="https://de.wikipedia.org/wiki/Virgo-Superhaufen" title="Virgo-Superhaufen - tedesco" lang="de" hreflang="de" data-title="Virgo-Superhaufen" data-language-autonym="Deutsch" data-language-local-name="tedesco" class="interlanguage-link-target"><span>Deutsch</span></a></li><li class="interlanguage-link interwiki-el mw-list-item"><a href="https://el.wikipedia.org/wiki/%CE%A5%CF%80%CE%B5%CF%81%CF%83%CE%BC%CE%AE%CE%BD%CE%BF%CF%82_%CF%84%CE%B7%CF%82_%CE%A0%CE%B1%CF%81%CE%B8%CE%AD%CE%BD%CE%BF%CF%85" title="Υπερσμήνος της Παρθένου - greco" lang="el" hreflang="el" data-title="Υπερσμήνος της Παρθένου" data-language-autonym="Ελληνικά" data-language-local-name="greco" class="interlanguage-link-target"><span>Ελληνικά</span></a></li><li class="interlanguage-link interwiki-en mw-list-item"><a href="https://en.wikipedia.org/wiki/Virgo_Supercluster" title="Virgo Supercluster - inglese" lang="en" hreflang="en" data-title="Virgo Supercluster" data-language-autonym="English" data-language-local-name="inglese" 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/Superc%C3%BAmulo_de_Virgo" title="Supercúmulo de Virgo - spagnolo" lang="es" hreflang="es" data-title="Supercúmulo de Virgo" data-language-autonym="Español" data-language-local-name="spagnolo" class="interlanguage-link-target"><span>Español</span></a></li><li class="interlanguage-link interwiki-et mw-list-item"><a href="https://et.wikipedia.org/wiki/Kohalik_Superparv" title="Kohalik Superparv - estone" lang="et" hreflang="et" data-title="Kohalik Superparv" data-language-autonym="Eesti" data-language-local-name="estone" class="interlanguage-link-target"><span>Eesti</span></a></li><li class="interlanguage-link interwiki-eu mw-list-item"><a href="https://eu.wikipedia.org/wiki/Virgo_superkumulua" title="Virgo superkumulua - basco" lang="eu" hreflang="eu" data-title="Virgo superkumulua" data-language-autonym="Euskara" data-language-local-name="basco" 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%A7%D8%A8%D8%B1%D8%AE%D9%88%D8%B4%D9%87_%D8%B3%D9%86%D8%A8%D9%84%D9%87" title="ابرخوشه سنبله - persiano" lang="fa" hreflang="fa" data-title="ابرخوشه سنبله" data-language-autonym="فارسی" data-language-local-name="persiano" class="interlanguage-link-target"><span>فارسی</span></a></li><li class="interlanguage-link interwiki-fi mw-list-item"><a href="https://fi.wikipedia.org/wiki/Neitsyen_superjoukko" title="Neitsyen superjoukko - finlandese" lang="fi" hreflang="fi" data-title="Neitsyen superjoukko" data-language-autonym="Suomi" data-language-local-name="finlandese" class="interlanguage-link-target"><span>Suomi</span></a></li><li class="interlanguage-link interwiki-fr mw-list-item"><a href="https://fr.wikipedia.org/wiki/Superamas_de_la_Vierge" title="Superamas de la Vierge - francese" lang="fr" hreflang="fr" data-title="Superamas de la Vierge" data-language-autonym="Français" data-language-local-name="francese" class="interlanguage-link-target"><span>Français</span></a></li><li class="interlanguage-link interwiki-he mw-list-item"><a href="https://he.wikipedia.org/wiki/%D7%A6%D7%91%D7%99%D7%A8-%D7%A2%D7%9C_%D7%94%D7%91%D7%AA%D7%95%D7%9C%D7%94" title="צביר-על הבתולה - ebraico" lang="he" hreflang="he" data-title="צביר-על הבתולה" data-language-autonym="עברית" data-language-local-name="ebraico" class="interlanguage-link-target"><span>עברית</span></a></li><li class="interlanguage-link interwiki-hr mw-list-item"><a href="https://hr.wikipedia.org/wiki/Mjesni_superskup" title="Mjesni superskup - croato" lang="hr" hreflang="hr" data-title="Mjesni superskup" data-language-autonym="Hrvatski" data-language-local-name="croato" class="interlanguage-link-target"><span>Hrvatski</span></a></li><li class="interlanguage-link interwiki-id mw-list-item"><a href="https://id.wikipedia.org/wiki/Supergugus_Virgo" title="Supergugus Virgo - indonesiano" lang="id" hreflang="id" data-title="Supergugus Virgo" data-language-autonym="Bahasa Indonesia" data-language-local-name="indonesiano" class="interlanguage-link-target"><span>Bahasa Indonesia</span></a></li><li class="interlanguage-link interwiki-ja mw-list-item"><a href="https://ja.wikipedia.org/wiki/%E3%81%8A%E3%81%A8%E3%82%81%E5%BA%A7%E8%B6%85%E9%8A%80%E6%B2%B3%E5%9B%A3" title="おとめ座超銀河団 - giapponese" lang="ja" hreflang="ja" data-title="おとめ座超銀河団" data-language-autonym="日本語" data-language-local-name="giapponese" class="interlanguage-link-target"><span>日本語</span></a></li><li class="interlanguage-link interwiki-ko mw-list-item"><a href="https://ko.wikipedia.org/wiki/%EC%B2%98%EB%85%80%EC%9E%90%EB%A6%AC_%EC%B4%88%EC%9D%80%ED%95%98%EB%8B%A8" title="처녀자리 초은하단 - coreano" lang="ko" hreflang="ko" data-title="처녀자리 초은하단" data-language-autonym="한국어" data-language-local-name="coreano" class="interlanguage-link-target"><span>한국어</span></a></li><li class="interlanguage-link interwiki-la mw-list-item"><a href="https://la.wikipedia.org/wiki/Supercumulus_Virginis" title="Supercumulus Virginis - latino" lang="la" hreflang="la" data-title="Supercumulus Virginis" data-language-autonym="Latina" data-language-local-name="latino" class="interlanguage-link-target"><span>Latina</span></a></li><li class="interlanguage-link interwiki-lb mw-list-item"><a href="https://lb.wikipedia.org/wiki/Virgo-Superkoup" title="Virgo-Superkoup - lussemburghese" lang="lb" hreflang="lb" data-title="Virgo-Superkoup" data-language-autonym="Lëtzebuergesch" data-language-local-name="lussemburghese" class="interlanguage-link-target"><span>Lëtzebuergesch</span></a></li><li class="interlanguage-link interwiki-lt mw-list-item"><a href="https://lt.wikipedia.org/wiki/Vietinis_galaktik%C5%B3_superspie%C4%8Dius" title="Vietinis galaktikų superspiečius - lituano" lang="lt" hreflang="lt" data-title="Vietinis galaktikų superspiečius" data-language-autonym="Lietuvių" data-language-local-name="lituano" class="interlanguage-link-target"><span>Lietuvių</span></a></li><li class="interlanguage-link interwiki-mk mw-list-item"><a href="https://mk.wikipedia.org/wiki/%D0%94%D0%B5%D0%B2%D0%B8%D1%86%D0%B0_(%D1%81%D1%83%D0%BF%D0%B5%D1%80%D1%98%D0%B0%D1%82%D0%BE)" title="Девица (суперјато) - macedone" lang="mk" hreflang="mk" data-title="Девица (суперјато)" data-language-autonym="Македонски" data-language-local-name="macedone" class="interlanguage-link-target"><span>Македонски</span></a></li><li class="interlanguage-link interwiki-ms mw-list-item"><a href="https://ms.wikipedia.org/wiki/Gugusan_Besar_Virgo" title="Gugusan Besar Virgo - malese" lang="ms" hreflang="ms" data-title="Gugusan Besar Virgo" data-language-autonym="Bahasa Melayu" data-language-local-name="malese" class="interlanguage-link-target"><span>Bahasa Melayu</span></a></li><li class="interlanguage-link interwiki-my mw-list-item"><a href="https://my.wikipedia.org/wiki/Virgo_Supercluster" title="Virgo Supercluster - birmano" lang="my" hreflang="my" data-title="Virgo Supercluster" data-language-autonym="မြန်မာဘာသာ" data-language-local-name="birmano" 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/Virgosupercluster" title="Virgosupercluster - olandese" lang="nl" hreflang="nl" data-title="Virgosupercluster" data-language-autonym="Nederlands" data-language-local-name="olandese" class="interlanguage-link-target"><span>Nederlands</span></a></li><li class="interlanguage-link interwiki-no mw-list-item"><a href="https://no.wikipedia.org/wiki/Den_lokale_superhopen" title="Den lokale superhopen - norvegese bokmål" lang="nb" hreflang="nb" data-title="Den lokale superhopen" data-language-autonym="Norsk bokmål" data-language-local-name="norvegese bokmål" class="interlanguage-link-target"><span>Norsk bokmål</span></a></li><li class="interlanguage-link interwiki-pl mw-list-item"><a href="https://pl.wikipedia.org/wiki/Supergromada_Lokalna" title="Supergromada Lokalna - polacco" lang="pl" hreflang="pl" data-title="Supergromada Lokalna" data-language-autonym="Polski" data-language-local-name="polacco" class="interlanguage-link-target"><span>Polski</span></a></li><li class="interlanguage-link interwiki-pt mw-list-item"><a href="https://pt.wikipedia.org/wiki/Superaglomerado_de_Virgem" title="Superaglomerado de Virgem - portoghese" lang="pt" hreflang="pt" data-title="Superaglomerado de Virgem" data-language-autonym="Português" data-language-local-name="portoghese" 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/Fecioara_(super-roi_de_galaxii)" title="Fecioara (super-roi de galaxii) - rumeno" lang="ro" hreflang="ro" data-title="Fecioara (super-roi de galaxii)" data-language-autonym="Română" data-language-local-name="rumeno" class="interlanguage-link-target"><span>Română</span></a></li><li class="interlanguage-link interwiki-ru mw-list-item"><a href="https://ru.wikipedia.org/wiki/%D0%9C%D0%B5%D1%81%D1%82%D0%BD%D0%BE%D0%B5_%D1%81%D0%B2%D0%B5%D1%80%D1%85%D1%81%D0%BA%D0%BE%D0%BF%D0%BB%D0%B5%D0%BD%D0%B8%D0%B5_%D0%B3%D0%B0%D0%BB%D0%B0%D0%BA%D1%82%D0%B8%D0%BA" title="Местное сверхскопление галактик - russo" lang="ru" hreflang="ru" data-title="Местное сверхскопление галактик" data-language-autonym="Русский" data-language-local-name="russo" class="interlanguage-link-target"><span>Русский</span></a></li><li class="interlanguage-link interwiki-simple mw-list-item"><a href="https://simple.wikipedia.org/wiki/Virgo_Supercluster" title="Virgo Supercluster - Simple English" lang="en-simple" hreflang="en-simple" data-title="Virgo Supercluster" data-language-autonym="Simple English" data-language-local-name="Simple English" class="interlanguage-link-target"><span>Simple English</span></a></li><li class="interlanguage-link interwiki-sk mw-list-item"><a href="https://sk.wikipedia.org/wiki/Miestna_superkopa_galaxi%C3%AD" title="Miestna superkopa galaxií - slovacco" lang="sk" hreflang="sk" data-title="Miestna superkopa galaxií" data-language-autonym="Slovenčina" data-language-local-name="slovacco" class="interlanguage-link-target"><span>Slovenčina</span></a></li><li class="interlanguage-link interwiki-sv mw-list-item"><a href="https://sv.wikipedia.org/wiki/Virgosuperhopen" title="Virgosuperhopen - svedese" lang="sv" hreflang="sv" data-title="Virgosuperhopen" data-language-autonym="Svenska" data-language-local-name="svedese" class="interlanguage-link-target"><span>Svenska</span></a></li><li class="interlanguage-link interwiki-ta mw-list-item"><a href="https://ta.wikipedia.org/wiki/%E0%AE%95%E0%AE%A9%E0%AF%8D%E0%AE%A9%E0%AE%BF_%E0%AE%B5%E0%AE%BF%E0%AE%A3%E0%AF%8D%E0%AE%AE%E0%AF%80%E0%AE%A9%E0%AF%8D_%E0%AE%AE%E0%AF%80%E0%AE%95%E0%AF%8A%E0%AE%A4%E0%AF%8D%E0%AE%A4%E0%AF%81" title="கன்னி விண்மீன் மீகொத்து - tamil" lang="ta" hreflang="ta" data-title="கன்னி விண்மீன் மீகொத்து" data-language-autonym="தமிழ்" data-language-local-name="tamil" class="interlanguage-link-target"><span>தமிழ்</span></a></li><li class="interlanguage-link interwiki-th mw-list-item"><a href="https://th.wikipedia.org/wiki/%E0%B8%81%E0%B8%A5%E0%B8%B8%E0%B9%88%E0%B8%A1%E0%B8%81%E0%B8%A3%E0%B8%B0%E0%B8%88%E0%B8%B8%E0%B8%81%E0%B8%94%E0%B8%B2%E0%B8%A3%E0%B8%B2%E0%B8%88%E0%B8%B1%E0%B8%81%E0%B8%A3%E0%B8%AB%E0%B8%8D%E0%B8%B4%E0%B8%87%E0%B8%AA%E0%B8%B2%E0%B8%A7" title="กลุ่มกระจุกดาราจักรหญิงสาว - thailandese" lang="th" hreflang="th" data-title="กลุ่มกระจุกดาราจักรหญิงสาว" data-language-autonym="ไทย" data-language-local-name="thailandese" class="interlanguage-link-target"><span>ไทย</span></a></li><li class="interlanguage-link interwiki-tr mw-list-item"><a href="https://tr.wikipedia.org/wiki/Ba%C5%9Fak_S%C3%BCperk%C3%BCmesi" title="Başak Süperkümesi - turco" lang="tr" hreflang="tr" data-title="Başak Süperkümesi" data-language-autonym="Türkçe" data-language-local-name="turco" class="interlanguage-link-target"><span>Türkçe</span></a></li><li class="interlanguage-link interwiki-uk mw-list-item"><a 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data-mw-ve-target-container> <div class="vector-body-before-content"> <div class="mw-indicators"> <div id="mw-indicator-coordinates" class="mw-indicator"><div class="mw-parser-output"><span class="plainlinks nourlexpansion" id="coordinates"><a href="/wiki/Coordinate_celesti" title="Coordinate celesti">Coordinate</a>: <span typeof="mw:File"><span title="Carta celeste"><img alt="Carta celeste" src="//upload.wikimedia.org/wikipedia/commons/thumb/e/e4/Jupiter_and_moon.png/20px-Jupiter_and_moon.png" decoding="async" width="20" height="20" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/e/e4/Jupiter_and_moon.png/30px-Jupiter_and_moon.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/e/e4/Jupiter_and_moon.png/40px-Jupiter_and_moon.png 2x" data-file-width="128" data-file-height="128" /></span></span> <a rel="nofollow" class="external text" href="http://www.wikisky.org/?ra=12.516666666667&de=12.066666666667&zoom=6&show_grid=1&show_constellation_lines=1&show_constellation_boundaries=1&show_const_names=1&show_galaxies=1&img_source=IMG_all">12<sup>h</sup> 31<sup>m</sup> 00<sup>s</sup>, +12° 04′ 00″</a></span></div></div> </div> <div id="siteSub" class="noprint">Da Wikipedia, l'enciclopedia libera.</div> </div> <div id="contentSub"><div id="mw-content-subtitle"></div></div> <div id="mw-content-text" class="mw-body-content"><div class="cdx-message cdx-message--block cdx-message--warning"><span class="cdx-message__icon"></span><div class="cdx-message__content">La versione stampabile non è più supportata e potrebbe contenere errori di resa. Aggiorna i preferiti del tuo browser e usa semmai la funzione ordinaria di stampa del tuo browser.</div></div><div class="mw-content-ltr mw-parser-output" lang="it" dir="ltr"><table class="infobox sinottico" summary="Tabella sinottica che riassume i principali dati del soggetto" style="width:300px"><tbody><tr class="sinottico_testata"><th colspan="2" style="background: #99CCCC; color: black">Superammasso della Vergine<br /><span class="sinottico_sottotitolo"><a href="/wiki/Superammasso_di_galassie" title="Superammasso di galassie">Superammasso di galassie</a></span></th></tr><tr><td class="sinottico_testo_centrale" colspan="2"><figure class="mw-halign-center" typeof="mw:File/Frameless"><a href="/wiki/File:Local_supercluster.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/5/5e/Local_supercluster.jpg/280px-Local_supercluster.jpg" decoding="async" width="280" height="271" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/5/5e/Local_supercluster.jpg/420px-Local_supercluster.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/5/5e/Local_supercluster.jpg 2x" data-file-width="426" data-file-height="413" /></a><figcaption></figcaption></figure>Il Superammasso della Vergine</td></tr><tr class="sinottico_divisione"><th colspan="2" style="background: #99CCCC; color: black">Dati osservativi<br /><small>(<a href="/wiki/Epoca_(astronomia)" title="Epoca (astronomia)">epoca</a> <a href="/wiki/J2000" class="mw-redirect" title="J2000">J2000</a>)</small></th></tr><tr><th style="width:45%"><a href="/wiki/Costellazione" title="Costellazione">Costellazione</a></th><td><a href="/wiki/Vergine_(costellazione)" title="Vergine (costellazione)">Vergine</a> </td></tr><tr><th style="width:45%"><a href="/wiki/Ascensione_retta" title="Ascensione retta">Ascensione retta</a></th><td>12<sup>h</sup> 31<sup>m</sup> 00<sup>s</sup><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> </td></tr><tr><th style="width:45%"><a href="/wiki/Declinazione_(astronomia)" title="Declinazione (astronomia)">Declinazione</a></th><td>12° 04′ 00″ </td></tr><tr class="sinottico_divisione"><th colspan="2" style="background: #99CCCC; color: black">Caratteristiche fisiche</th></tr><tr><th style="width:45%">Tipo</th><td><a href="/wiki/Superammasso_di_galassie" title="Superammasso di galassie">Superammasso di galassie</a> </td></tr><tr><th style="width:45%"><a href="/wiki/Massa_(fisica)" title="Massa (fisica)">Massa</a></th><td>10<sup>15</sup><sup id="cite_ref-ein07_2-0" class="reference"><a href="#cite_note-ein07-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup> <a href="/wiki/Massa_solare" title="Massa solare">M<sub>⊙</sub></a> </td></tr><tr><th style="width:45%">Dimensioni</th><td>200 milioni <a href="/wiki/Anno_luce" title="Anno luce">a.l.</a> <br /> (60 milioni <a href="/wiki/Parsec" title="Parsec">pc</a>) </td></tr><tr class="sinottico_divisione"><th colspan="2" style="background: #99CCCC; color: black">Mappa di localizzazione</th></tr><tr><td class="sinottico_testo_centrale" colspan="2"><div style="position: relative; width: 260px; margin: auto; float: {{{allineamento}}}; clear: {{{allineamento}}};"><div style="position: absolute; left: 169px; top: 39px; padding: 0;"><span class="mw-valign-top" typeof="mw:File"><a href="/wiki/File:Cercle_rouge_100%25.svg" class="mw-file-description" title="Superammasso della Vergine"><img alt="Superammasso della Vergine" src="//upload.wikimedia.org/wikipedia/commons/thumb/4/4a/Cercle_rouge_100%25.svg/15px-Cercle_rouge_100%25.svg.png" decoding="async" width="15" height="15" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/4/4a/Cercle_rouge_100%25.svg/23px-Cercle_rouge_100%25.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/4/4a/Cercle_rouge_100%25.svg/30px-Cercle_rouge_100%25.svg.png 2x" data-file-width="200" data-file-height="200" /></a></span></div><span typeof="mw:File"><a href="/wiki/File:Virgo_IAU.svg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/f/f5/Virgo_IAU.svg/260px-Virgo_IAU.svg.png" decoding="async" width="260" height="220" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/f/f5/Virgo_IAU.svg/390px-Virgo_IAU.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/f/f5/Virgo_IAU.svg/520px-Virgo_IAU.svg.png 2x" data-file-width="599" data-file-height="507" /></a></span></div> </td></tr><tr><td colspan="2" class="sinottico_piede" style="background: #99CCCC; color: black"><a href="/wiki/Categoria:Superammassi_di_galassie" title="Categoria:Superammassi di galassie">Categoria di superammassi di galassie</a> </td></tr></tbody></table><style data-mw-deduplicate="TemplateStyles:r139486644">body.skin-vector .mw-parser-output #coordinates{font-size:85%;line-height:1.5em;white-space:nowrap}</style> <p>Il <b>Superammasso della Vergine</b> è il superammasso di <a href="/wiki/Galassia" title="Galassia">galassie</a> che contiene il nostro <a href="/wiki/Gruppo_Locale" title="Gruppo Locale">Gruppo Locale</a>, e all'interno di questo la nostra galassia, la <a href="/wiki/Via_Lattea" title="Via Lattea">Via Lattea</a> (a cui appartiene il <a href="/wiki/Sistema_solare" title="Sistema solare">sistema solare</a>). Ha la forma di un disco appiattito, con un diametro di circa 100 milioni di <a href="/wiki/Anno_luce" title="Anno luce">anni luce</a>. Contiene circa 100 tra gruppi e ammassi di galassie, e prende il nome dall'<a href="/wiki/Ammasso_della_Vergine" title="Ammasso della Vergine">Ammasso della Vergine</a>, che si trova vicino al suo centro. Il Gruppo Locale si trova al bordo del superammasso, e si muove lentamente verso il suo centro. Oggi, il nome <b>Superammasso Locale</b>, precedentemente usato come sinonimo del nome <b>Superammasso della Vergine</b>, è in realtà attribuito al <a href="/wiki/Laniakea" title="Laniakea">Superammasso Laniakea</a>, che comprende anche il Superammasso della Vergine. La nuova definizione è frutto di studi effettuati nel settembre 2014 sulla <a href="/wiki/Velocit%C3%A0_radiale" title="Velocità radiale">velocità relativa</a> delle <a href="/wiki/Galassia" title="Galassia">galassie</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><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> </p> <meta property="mw:PageProp/toc" /> <div class="mw-heading mw-heading2"><h2 id="Storia">Storia</h2></div> <figure class="mw-default-size mw-halign-left" typeof="mw:File/Thumb"><a href="/wiki/File:Vietiin%C4%97s_galaktikos_superspie%C4%8Dius.gif" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/3/3e/Vietiin%C4%97s_galaktikos_superspie%C4%8Dius.gif/290px-Vietiin%C4%97s_galaktikos_superspie%C4%8Dius.gif" decoding="async" width="290" height="272" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/3/3e/Vietiin%C4%97s_galaktikos_superspie%C4%8Dius.gif/435px-Vietiin%C4%97s_galaktikos_superspie%C4%8Dius.gif 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/3/3e/Vietiin%C4%97s_galaktikos_superspie%C4%8Dius.gif/580px-Vietiin%C4%97s_galaktikos_superspie%C4%8Dius.gif 2x" data-file-width="640" data-file-height="600" /></a><figcaption>Distribuzione delle galassie nell'Universo; al centro si trova la <a href="/wiki/Via_Lattea" title="Via Lattea">Via Lattea</a> e poco a destra il superammasso della Vergine.</figcaption></figure> <p>A partire dalla prima grande raccolta di nebulose pubblicata da <a href="/wiki/William_Herschel" title="William Herschel">William</a> e <a href="/wiki/John_Herschel" title="John Herschel">John Herschel</a> nel <a href="/wiki/1863" title="1863">1863</a>, è noto che c'è un marcato eccesso di campi di nebulose in direzione della <a href="/wiki/Vergine_(costellazione)" title="Vergine (costellazione)">costellazione della Vergine</a>, in vicinanza del polo nord galattico. </p><p>Negli <a href="/wiki/Anni_1950" title="Anni 1950">anni cinquanta</a> del <a href="/wiki/XX_secolo" title="XX secolo">secolo scorso</a> l'astronomo franco-americano G.H. de Vaucouleurs fu il primo a ipotizzare che questo eccesso rappresentasse una struttura di tipo galattico su grande scala, coniando nel <a href="/wiki/1953" title="1953">1953</a> il termine "Supergalassia Locale" che poi cambiò in Superammasso Locale nel <a href="/wiki/1958" title="1958">1958</a> e in Superammasso della Vergine nel <a href="/wiki/2014" title="2014">2014</a>. </p><p>Durante gli <a href="/wiki/Anni_1960" title="Anni 1960">anni sessanta</a> e <a href="/wiki/Anni_1970" title="Anni 1970">settanta</a> si dibatté la questione se il Superammasso della Vergine fosse effettivamente una struttura o dovesse essere considerato un casuale allineamento di galassie.<sup id="cite_ref-deV81_7-0" class="reference"><a href="#cite_note-deV81-7"><span class="cite-bracket">[</span>7<span class="cite-bracket">]</span></a></sup> La questione fu risolta con le grandi analisi sul redshift condotte tra la fine degli anni settanta e l'inizio degli <a href="/wiki/Anni_1980" title="Anni 1980">anni ottanta</a>, che dimostrarono in modo convincente una concentrazione appiattita di galassie lungo il piano supergalattico.<sup id="cite_ref-klypin03_8-0" class="reference"><a href="#cite_note-klypin03-8"><span class="cite-bracket">[</span>8<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="Descrizione">Descrizione</h2></div> <p>Osservando gli effetti gravitazionali sui movimenti delle galassie, è possibile stimare la massa totale del Superammasso della Vergine a circa 10<sup>15</sup> volte quella del <a href="/wiki/Sole" title="Sole">Sole</a>. La sua luminosità è però troppo poca per rendere conto di questa cifra, e si pensa quindi che gran parte della sua massa sia composta di <a href="/wiki/Materia_oscura" title="Materia oscura">materia oscura</a>. </p><p>Un'anomalia gravitazionale conosciuta come il <a href="/wiki/Grande_Attrattore" title="Grande Attrattore">Grande Attrattore</a> si trova da qualche parte nel superammasso. Le osservazioni sono ostacolate dal fatto che la sua posizione lo fa apparire nel nostro cielo proprio nel piano della galassia, dove gas e polveri oscurano la vista. </p><p>Il Superammasso della Vergine e, di conseguenza anche il Gruppo Locale con la nostra Via Lattea, risulta essere parte del più grande <a href="/wiki/Laniakea" title="Laniakea">Superammasso Laniakea</a>, detto anche Superammasso Locale. </p> <div class="mw-heading mw-heading3"><h3 id="Struttura">Struttura</h3></div> <p>In un complesso lavoro del <a href="/wiki/1982" title="1982">1982</a>, Brent Tully illustrò la struttura di base dei Superammassi Locali. Essa consiste di due componenti: un disco apprezzabilmente appiattito (contenente 2/3 delle galassie luminose del superammasso), e un alone approssimativamente sferico (che contiene il rimanente 1/3 delle galassie luminose).<sup id="cite_ref-hu06_9-0" class="reference"><a href="#cite_note-hu06-9"><span class="cite-bracket">[</span>9<span class="cite-bracket">]</span></a></sup> </p><p>Il disco stesso è un ellissoide sottile (ca. 1 Mpc) con un rapporto asse maggiore/asse minore di almeno 6:1 e che può arrivare anche fino a 9:1.<sup id="cite_ref-tully82_10-0" class="reference"><a href="#cite_note-tully82-10"><span class="cite-bracket">[</span>10<span class="cite-bracket">]</span></a></sup> I dati del giugno <a href="/wiki/2003" title="2003">2003</a> provenienti dalla quinquennale analisi Two-degree-Field Galaxy redshift Survey (2dF) hanno permesso agli astronomi di confrontare il Superammasso della Vergine con altri superammassi. Il Superammasso della Vergine risulta essere un superammasso modesto e privo di un nucleo ad alta densità. Possiede un ammasso ricco di galassie al centro, circondato da filamenti di galassie e gruppi modesti.<sup id="cite_ref-ein07_2-1" class="reference"><a href="#cite_note-ein07-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup> Il <a href="/wiki/Gruppo_Locale" title="Gruppo Locale">Gruppo Locale</a> è situato sul bordo del superammasso in un piccolo filamento che si estende dall'ammasso della Fornace a quello della Vergine. </p> <div class="mw-heading mw-heading3"><h3 id="Distribuzione_delle_galassie">Distribuzione delle galassie</h3></div> <figure class="mw-default-size" typeof="mw:File/Thumb"><a href="/wiki/File:Virgo_cluster_052012.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/c/c5/Virgo_cluster_052012.jpg/290px-Virgo_cluster_052012.jpg" decoding="async" width="290" height="186" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/c/c5/Virgo_cluster_052012.jpg/435px-Virgo_cluster_052012.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/c/c5/Virgo_cluster_052012.jpg/580px-Virgo_cluster_052012.jpg 2x" data-file-width="1504" data-file-height="964" /></a><figcaption>Il centro dell'ammasso della Vergine.</figcaption></figure> <p>La <a href="/wiki/Densit%C3%A0" title="Densità">densità</a> numerica delle galassie nel Superammasso della Vergine diminuisce con il quadrato della distanza dal suo centro, situato nei pressi dell'<a href="/wiki/Ammasso_della_Vergine" title="Ammasso della Vergine">ammasso della Vergine</a>, suggerendo che le componenti di questo ammasso non siano disposte in modo casuale. In complesso, la grande maggioranza delle galassie luminose (di grandezza assoluta maggiore di -13) è concentrata in un piccolo numero di nubi (gruppi di ammassi galattici). Il 98% si trova nelle seguenti undici nubi, elencate in ordine decrescente di galassie luminose: Cani da caccia, ammasso della Vergine, Vergine II (ramo sud), Leone II, Vergine III, Cratere (<a href="/w/index.php?title=NGC_3672&action=edit&redlink=1" class="new" title="NGC 3672 (la pagina non esiste)">NGC 3672</a>), Leone I, Leone Minore (<a href="/wiki/NGC_2841" title="NGC 2841">NGC 2841</a>), Dragone (<a href="/wiki/NGC_5907" title="NGC 5907">NGC 5907</a>), Macchina Pneumatica (<a href="/wiki/NGC_2997" title="NGC 2997">NGC 2997</a>) e <a href="/wiki/Gruppo_di_NGC_5643" title="Gruppo di NGC 5643">NGC 5643</a>. Delle galassie luminose localizzate nel disco, un terzo si trova nell'ammasso della Vergine mentre le rimanenti si trovano nella nube dei Cani da caccia e nella nube della Vergine II, con l'aggiunta del piuttosto insignificante gruppo di NGC 5643. </p><p>La distribuzione indica che "la maggior parte dello spazio al di fuori del piano supergalattico è un grande <a href="/wiki/Vuoto_(astronomia)" title="Vuoto (astronomia)">vuoto</a>"<sup id="cite_ref-tully82_10-1" class="reference"><a href="#cite_note-tully82-10"><span class="cite-bracket">[</span>10<span class="cite-bracket">]</span></a></sup>. Un'utile analogia che corrisponde alla distribuzione osservata è quella delle bolle di sapone. Ammassi piuttosto piatti e superammassi si trovano all'intersezione delle bolle, che sono grandi, approssimativamente sferiche (con diametri dell'ordine di 20-60 <a href="/wiki/Megaparsec" class="mw-redirect" title="Megaparsec">Mpc</a>) e vuote al loro interno. Le strutture filamentose lunghe sembrano essere predominanti. Un esempio è il <a href="/wiki/Superammasso_dell%27Idra-Centauro" title="Superammasso dell'Idra-Centauro">superammasso dell'Idra-Centauro</a>, il superammasso più vicino al nostro, che inizia ad una distanza di circa 30 Mpc e si estende fino a 60 Mpc.<sup id="cite_ref-fairall89_11-0" class="reference"><a href="#cite_note-fairall89-11"><span class="cite-bracket">[</span>11<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading3"><h3 id="Dinamiche_su_grande_scala">Dinamiche su grande scala</h3></div> <p>Dalla fine degli <a href="/wiki/Anni_1980" title="Anni 1980">anni ottanta</a> è risultato chiaro che non solo il <a href="/wiki/Gruppo_Locale" title="Gruppo Locale">Gruppo Locale</a>, ma tutta la materia fino alla distanza di almeno 50 Mpc è soggetta ad uno spostamento in blocco a velocità dell'ordine di 600 <a href="/wiki/Chilometro_al_secondo" class="mw-redirect" title="Chilometro al secondo">km/s</a> nella direzione dell'<a href="/wiki/Ammasso_del_Regolo" title="Ammasso del Regolo">Ammasso del Regolo</a> (Abell 3627)<sup id="cite_ref-plionis91_12-0" class="reference"><a href="#cite_note-plionis91-12"><span class="cite-bracket">[</span>12<span class="cite-bracket">]</span></a></sup>. Lynden-Bell ed altri autori (<a href="/wiki/1988" title="1988">1988</a>) hanno dato a questa causa il nome di <a href="/wiki/Grande_Attrattore" title="Grande Attrattore">Grande Attrattore</a>. Se da un lato gli astronomi si sentono abbastanza sicuri per quanto riguarda la velocità del Superammasso della Vergine, che è stata misurata in confronto alla <a href="/wiki/Radiazione_cosmica_di_fondo" title="Radiazione cosmica di fondo">Radiazione cosmica di fondo</a>, la natura di ciò che lo sta provocando non è ancora ben compresa. </p> <div class="mw-heading mw-heading2"><h2 id="Note">Note</h2></div> <div class="mw-references-wrap mw-references-columns"><ol class="references"> <li id="cite_note-1"><a href="#cite_ref-1"><b>^</b></a> <span class="reference-text"><a rel="nofollow" class="external text" href="http://simbad.u-strasbg.fr/simbad/sim-id?submit=display&bibdisplay=refsum&bibyear1=1850&bibyear2=%24currentYear&Ident=%401936452&Name=NAME+LOCAL+SUPERCL#lab_bib">NAME LOCAL SUPERCL -- Supercluster of Galaxies</a> <a href="/wiki/SIMBAD" title="SIMBAD">SIMBAD</a></span> </li> <li id="cite_note-ein07-2"><span class="mw-cite-backlink"><b>^</b> <sup><i><a href="#cite_ref-ein07_2-0">a</a></i></sup> <sup><i><a href="#cite_ref-ein07_2-1">b</a></i></sup></span> <span class="reference-text"> <cite class="citation pubblicazione" style="font-style:normal"> Einasto, M., et al, <a rel="nofollow" class="external text" href="http://adsabs.harvard.edu/cgi-bin/bib_query?2007A%26A...476..697E"><span style="font-style:italic;">The richest superclusters. 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P., et al, <a rel="nofollow" class="external text" href="http://adsabs.harvard.edu/cgi-bin/bib_query?1989A%26AS...78..269F&db_key=AST"><span style="font-style:italic;">A wide angle redshift survey of the Hydra-Centaurus region</span></a>, in <span style="font-style:italic;">Astronomy and Astrophysics Supplement Series</span>, vol. 78, n. 2, maggio 1989, p. 270, <a href="/wiki/Bibcode" title="Bibcode">Bibcode</a>:<a rel="nofollow" class="external text" href="http://adsabs.harvard.edu/abs/1989A&AS...78..269F">1989A&AS...78..269F</a>.</cite></span> </li> <li id="cite_note-plionis91-12"><a href="#cite_ref-plionis91_12-0"><b>^</b></a> <span class="reference-text"> <cite class="citation pubblicazione" style="font-style:normal"> Plionis, Manolis; Valdarnini, Riccardo, <a rel="nofollow" class="external text" href="http://adsabs.harvard.edu/cgi-bin/bib_query?1991MNRAS.249...46P"><span style="font-style:italic;">Evidence for large-scale structure on scales about 300/h MPC</span></a>, in <span style="font-style:italic;">Royal Astronomical Society, Monthly Notices</span>, vol. 249, Mar 1991, pp. 46-61.</cite></span> </li> </ol></div> <div class="mw-heading mw-heading2"><h2 id="Bibliografia">Bibliografia</h2></div> <ul><li>Brent Tully: <i>The Local Supercluster</i>, Astrophys. J., vol. 257, pp. 389–422 (1982)</li> <li>Oscar Monchito: <i>Superclusters and Other Stuff</i>, Colton, vol. 12, pp. 124–118 (1992)</li> <li>Lynden-Bell, D., et al: <a rel="nofollow" class="external text" href="http://adsabs.harvard.edu/cgi-bin/bib_query?1988ApJ...326...19L"><i>Spectroscopy and photometry of elliptical galaxies. V - Galaxy streaming toward the new supergalactic center</i></a>, Astrophysical Journal, Part 1, vol. 326, pp. 19–49 (Mar 1988)</li></ul> <div class="mw-heading mw-heading2"><h2 id="Voci_correlate">Voci correlate</h2></div> <ul><li><a href="/wiki/Ammasso_dell%27Orsa_Maggiore" title="Ammasso dell'Orsa Maggiore">Ammasso dell'Orsa Maggiore</a></li> <li><a href="/wiki/Ammasso_della_Vergine" title="Ammasso della Vergine">Ammasso della Vergine</a></li> <li><a href="/wiki/Astronomia_extragalattica" title="Astronomia extragalattica">Astronomia extragalattica</a></li> <li><a href="/wiki/Gruppi_e_ammassi_di_galassie" title="Gruppi e ammassi di galassie">Gruppi e ammassi di galassie</a></li> <li><a href="/wiki/Gruppo_locale" class="mw-redirect" title="Gruppo locale">Gruppo locale</a></li> <li><a href="/wiki/Foglio_Locale" title="Foglio Locale">Foglio Locale</a></li> <li><a href="/wiki/Struttura_a_grande_scala_dell%27universo" title="Struttura a grande scala dell'universo">Struttura a grande scala dell'universo</a></li></ul> <div class="mw-heading mw-heading2"><h2 id="Altri_progetti">Altri progetti</h2></div> <div id="interProject" class="toccolours" style="display: none; clear: both; margin-top: 2em"><p id="sisterProjects" style="background-color: #efefef; color: black; font-weight: bold; margin: 0"><span>Altri progetti</span></p><ul title="Collegamenti verso gli altri progetti Wikimedia"> <li class="" title=""><span class="plainlinks" title="commons:Category:Virgo Supercluster"><a class="external text" href="https://commons.wikimedia.org/wiki/Category:Virgo_Supercluster?uselang=it">Wikimedia Commons</a></span></li></ul></div> <ul><li><span typeof="mw:File"><a href="https://commons.wikimedia.org/wiki/?uselang=it" title="Collabora a Wikimedia Commons"><img alt="Collabora a Wikimedia Commons" src="//upload.wikimedia.org/wikipedia/commons/thumb/4/4a/Commons-logo.svg/18px-Commons-logo.svg.png" decoding="async" width="18" height="24" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/4/4a/Commons-logo.svg/27px-Commons-logo.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/4/4a/Commons-logo.svg/36px-Commons-logo.svg.png 2x" data-file-width="1024" data-file-height="1376" /></a></span> <span class="plainlinks"><a class="external text" href="https://commons.wikimedia.org/wiki/?uselang=it">Wikimedia Commons</a></span> contiene immagini o altri file su <b><span class="plainlinks"><a class="external text" href="https://commons.wikimedia.org/wiki/Category:Virgo_Supercluster?uselang=it">Superammasso Locale</a></span></b></li></ul> <div class="mw-heading mw-heading2"><h2 id="Collegamenti_esterni">Collegamenti esterni</h2></div> <ul><li class="mw-empty-elt"></li> <li><cite id="CITEREFBritannica.com" class="citation web" style="font-style:normal">(<span style="font-weight:bolder; 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