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class="vector-toc-text">Inizio</div> </a> </li> <li id="toc-Caratteristiche" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Caratteristiche"> <div class="vector-toc-text"> <span class="vector-toc-numb">1</span> <span>Caratteristiche</span> </div> </a> <ul id="toc-Caratteristiche-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Mezzo_intergalattico" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Mezzo_intergalattico"> <div class="vector-toc-text"> <span class="vector-toc-numb">2</span> <span>Mezzo intergalattico</span> </div> </a> <ul id="toc-Mezzo_intergalattico-sublist" class="vector-toc-list"> </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-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">4</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">5</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">6</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">Ammasso 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-sterrestelselswerm" title="Virgo-sterrestelselswerm - afrikaans" lang="af" hreflang="af" data-title="Virgo-sterrestelselswerm" 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_%D8%A7%D9%84%D8%B9%D8%B0%D8%B1%D8%A7%D8%A1_%D8%A7%D9%84%D9%85%D8%AC%D8%B1%D9%8A" title="عنقود العذراء المجري - arabo" lang="ar" hreflang="ar" data-title="عنقود العذراء المجري" 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%A1%D0%BA%D0%BE%D0%BF%D1%96%D1%88%D1%87%D0%B0_%D0%94%D0%B7%D0%B5%D0%B2%D1%8B" title="Скопішча Дзевы - bielorusso" lang="be" hreflang="be" data-title="Скопішча Дзевы" data-language-autonym="Беларуская" data-language-local-name="bielorusso" class="interlanguage-link-target"><span>Беларуская</span></a></li><li class="interlanguage-link interwiki-bs mw-list-item"><a href="https://bs.wikipedia.org/wiki/Skup_Virgo" title="Skup Virgo - bosniaco" lang="bs" hreflang="bs" data-title="Skup Virgo" data-language-autonym="Bosanski" data-language-local-name="bosniaco" class="interlanguage-link-target"><span>Bosanski</span></a></li><li class="interlanguage-link interwiki-ca mw-list-item"><a href="https://ca.wikipedia.org/wiki/C%C3%BAmul_de_la_Verge" title="Cúmul de la Verge - catalano" lang="ca" hreflang="ca" data-title="Cúmul 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/Kupa_galaxi%C3%AD_v_Pann%C4%9B" title="Kupa galaxií v Panně - ceco" lang="cs" hreflang="cs" data-title="Kupa galaxií v Panně" data-language-autonym="Čeština" data-language-local-name="ceco" class="interlanguage-link-target"><span>Čeština</span></a></li><li class="interlanguage-link interwiki-da mw-list-item"><a href="https://da.wikipedia.org/wiki/Virgohoben" title="Virgohoben - danese" lang="da" hreflang="da" data-title="Virgohoben" 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-Galaxienhaufen" title="Virgo-Galaxienhaufen - tedesco" lang="de" hreflang="de" data-title="Virgo-Galaxienhaufen" data-language-autonym="Deutsch" data-language-local-name="tedesco" class="interlanguage-link-target"><span>Deutsch</span></a></li><li class="interlanguage-link interwiki-eml mw-list-item"><a href="https://eml.wikipedia.org/wiki/Fit%C3%B9m_dla_V%C3%ACrgin" title="Fitùm dla Vìrgin - Emiliano-Romagnolo" lang="egl" hreflang="egl" data-title="Fitùm dla Vìrgin" 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 mw-list-item"><a href="https://en.wikipedia.org/wiki/Virgo_Cluster" title="Virgo Cluster - inglese" lang="en" hreflang="en" data-title="Virgo Cluster" 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/C%C3%BAmulo_de_Virgo" title="Cúmulo de Virgo - spagnolo" lang="es" hreflang="es" data-title="Cúmulo 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/Neitsi_galaktikaparv" title="Neitsi galaktikaparv - estone" lang="et" hreflang="et" data-title="Neitsi galaktikaparv" data-language-autonym="Eesti" data-language-local-name="estone" class="interlanguage-link-target"><span>Eesti</span></a></li><li class="interlanguage-link interwiki-fa mw-list-item"><a href="https://fa.wikipedia.org/wiki/%D8%AE%D9%88%D8%B4%D9%87_%D8%AF%D9%88%D8%B4%DB%8C%D8%B2%D9%87" title="خوشه دوشیزه - persiano" lang="fa" hreflang="fa" data-title="خوشه دوشیزه" 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_galaksijoukko" title="Neitsyen galaksijoukko - finlandese" lang="fi" hreflang="fi" data-title="Neitsyen galaksijoukko" 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/Amas_de_la_Vierge" title="Amas de la Vierge - francese" lang="fr" hreflang="fr" data-title="Amas 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-gl mw-list-item"><a href="https://gl.wikipedia.org/wiki/C%C3%BAmulo_de_Virgo" title="Cúmulo de Virgo - galiziano" lang="gl" hreflang="gl" data-title="Cúmulo de Virgo" data-language-autonym="Galego" data-language-local-name="galiziano" class="interlanguage-link-target"><span>Galego</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%94%D7%91%D7%AA%D7%95%D7%9C%D7%94" title="צביר הבתולה - ebraico" lang="he" hreflang="he" data-title="צביר 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/Skup_Djevica" title="Skup Djevica - croato" lang="hr" hreflang="hr" data-title="Skup Djevica" data-language-autonym="Hrvatski" data-language-local-name="croato" class="interlanguage-link-target"><span>Hrvatski</span></a></li><li class="interlanguage-link interwiki-hu mw-list-item"><a href="https://hu.wikipedia.org/wiki/Virgo-halmaz" title="Virgo-halmaz - ungherese" lang="hu" hreflang="hu" data-title="Virgo-halmaz" data-language-autonym="Magyar" data-language-local-name="ungherese" class="interlanguage-link-target"><span>Magyar</span></a></li><li class="interlanguage-link interwiki-id mw-list-item"><a href="https://id.wikipedia.org/wiki/Gugus_Virgo" title="Gugus Virgo - indonesiano" lang="id" hreflang="id" data-title="Gugus 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%E9%8A%80%E6%B2%B3%E5%9B%A3" title="おとめ座銀河団 - giapponese" lang="ja" hreflang="ja" data-title="おとめ座銀河団" 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-ka mw-list-item"><a href="https://ka.wikipedia.org/wiki/%E1%83%A5%E1%83%90%E1%83%9A%E1%83%AC%E1%83%A3%E1%83%9A%E1%83%98%E1%83%A1_%E1%83%92%E1%83%A0%E1%83%9D%E1%83%95%E1%83%90" title="ქალწულის გროვა - georgiano" lang="ka" hreflang="ka" data-title="ქალწულის გროვა" data-language-autonym="ქართული" data-language-local-name="georgiano" class="interlanguage-link-target"><span>ქართული</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%9D%80%ED%95%98%EB%8B%A8" title="처녀자리 은하단 - coreano" lang="ko" hreflang="ko" data-title="처녀자리 은하단" data-language-autonym="한국어" data-language-local-name="coreano" class="interlanguage-link-target"><span>한국어</span></a></li><li class="interlanguage-link interwiki-lb mw-list-item"><a href="https://lb.wikipedia.org/wiki/Virgo-Galaxi%C3%ABkoup" title="Virgo-Galaxiëkoup - lussemburghese" lang="lb" hreflang="lb" data-title="Virgo-Galaxiëkoup" 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/Mergel%C4%97s_galaktik%C5%B3_spie%C4%8Dius" title="Mergelės galaktikų spiečius - lituano" lang="lt" hreflang="lt" data-title="Mergelės galaktikų spiečius" 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_(%D0%B3%D0%B0%D0%BB%D0%B0%D0%BA%D1%82%D0%B8%D1%87%D0%BA%D0%BE_%D1%98%D0%B0%D1%82%D0%BE)" title="Девица (галактичко јато) - macedone" lang="mk" hreflang="mk" data-title="Девица (галактичко јато)" data-language-autonym="Македонски" data-language-local-name="macedone" class="interlanguage-link-target"><span>Македонски</span></a></li><li class="interlanguage-link interwiki-my mw-list-item"><a href="https://my.wikipedia.org/wiki/Virgo_Cluster" title="Virgo Cluster - birmano" lang="my" hreflang="my" data-title="Virgo Cluster" 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/Virgocluster" title="Virgocluster - olandese" lang="nl" hreflang="nl" data-title="Virgocluster" data-language-autonym="Nederlands" data-language-local-name="olandese" class="interlanguage-link-target"><span>Nederlands</span></a></li><li class="interlanguage-link interwiki-nn mw-list-item"><a href="https://nn.wikipedia.org/wiki/Virgohopen" title="Virgohopen - norvegese nynorsk" lang="nn" hreflang="nn" data-title="Virgohopen" data-language-autonym="Norsk nynorsk" data-language-local-name="norvegese nynorsk" class="interlanguage-link-target"><span>Norsk nynorsk</span></a></li><li class="interlanguage-link interwiki-no mw-list-item"><a href="https://no.wikipedia.org/wiki/Virgohopen" title="Virgohopen - norvegese bokmål" lang="nb" hreflang="nb" data-title="Virgohopen" 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/Gromada_w_Pannie" title="Gromada w Pannie - polacco" lang="pl" hreflang="pl" data-title="Gromada w Pannie" 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/Aglomerado_de_Virgem" title="Aglomerado de Virgem - portoghese" lang="pt" hreflang="pt" data-title="Aglomerado 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/Roiul_Fecioarei" title="Roiul Fecioarei - rumeno" lang="ro" hreflang="ro" data-title="Roiul Fecioarei" 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%A1%D0%BA%D0%BE%D0%BF%D0%BB%D0%B5%D0%BD%D0%B8%D0%B5_%D0%94%D0%B5%D0%B2%D1%8B" title="Скопление Девы - russo" lang="ru" hreflang="ru" data-title="Скопление Девы" 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_Cluster" title="Virgo Cluster - Simple English" lang="en-simple" hreflang="en-simple" data-title="Virgo Cluster" 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/Panna_(kopa_galaxi%C3%AD)" title="Panna (kopa galaxií) - slovacco" lang="sk" hreflang="sk" data-title="Panna (kopa galaxií)" data-language-autonym="Slovenčina" data-language-local-name="slovacco" 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/Jata_v_Devici" title="Jata v Devici - sloveno" lang="sl" hreflang="sl" data-title="Jata v Devici" data-language-autonym="Slovenščina" data-language-local-name="sloveno" class="interlanguage-link-target"><span>Slovenščina</span></a></li><li class="interlanguage-link interwiki-sv mw-list-item"><a href="https://sv.wikipedia.org/wiki/Virgohopen" title="Virgohopen - svedese" lang="sv" hreflang="sv" data-title="Virgohopen" 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%B5%E0%AE%BF%E0%AE%B0%E0%AF%8D%E0%AE%95%E0%AF%8B_%E0%AE%95%E0%AF%8A%E0%AE%A4%E0%AF%8D%E0%AE%A4%E0%AF%81_%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%95%E0%AF%82%E0%AE%9F%E0%AF%8D%E0%AE%9F%E0%AE%AE%E0%AF%8D" title="விர்கோ கொத்து விண்மீன்கூட்டம் - tamil" lang="ta" hreflang="ta" data-title="விர்கோ கொத்து விண்மீன்கூட்டம்" data-language-autonym="தமிழ்" data-language-local-name="tamil" class="interlanguage-link-target"><span>தமிழ்</span></a></li><li class="interlanguage-link interwiki-tr mw-list-item"><a href="https://tr.wikipedia.org/wiki/Ba%C5%9Fak_k%C3%BCmesi" title="Başak kümesi - turco" lang="tr" hreflang="tr" data-title="Başak kümesi" 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 href="https://uk.wikipedia.org/wiki/%D0%A1%D0%BA%D1%83%D0%BF%D1%87%D0%B5%D0%BD%D0%BD%D1%8F_%D0%B3%D0%B0%D0%BB%D0%B0%D0%BA%D1%82%D0%B8%D0%BA_%D1%83_%D1%81%D1%83%D0%B7%D1%96%D1%80%27%D1%97_%D0%94%D1%96%D0%B2%D0%B8" title="Скупчення галактик у сузір'ї Діви - ucraino" lang="uk" hreflang="uk" data-title="Скупчення галактик у сузір'ї Діви" data-language-autonym="Українська" data-language-local-name="ucraino" class="interlanguage-link-target"><span>Українська</span></a></li><li class="interlanguage-link interwiki-vi mw-list-item"><a href="https://vi.wikipedia.org/wiki/%C4%90%C3%A1m_X%E1%BB%AD_N%E1%BB%AF" title="Đám Xử Nữ - vietnamita" lang="vi" 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</nav> </div> </div> <div id="bodyContent" class="vector-body" aria-labelledby="firstHeading" 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=12.44225&de=12.723333333333&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> 26<sup>m</sup> 32.1<sup>s</sup>, +12° 43′ 24″</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="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">Ammasso della Vergine<br /><span class="sinottico_sottotitolo"><a href="/wiki/Ammasso_di_galassie" title="Ammasso di galassie">Ammasso 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:Virgo_cluster_052012_overlay.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/4/44/Virgo_cluster_052012_overlay.jpg/280px-Virgo_cluster_052012_overlay.jpg" decoding="async" width="280" height="179" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/4/44/Virgo_cluster_052012_overlay.jpg/420px-Virgo_cluster_052012_overlay.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/4/44/Virgo_cluster_052012_overlay.jpg/560px-Virgo_cluster_052012_overlay.jpg 2x" data-file-width="1504" data-file-height="964" /></a><figcaption></figcaption></figure>Il centro dell'ammasso della Vergine, nelle etichette i nomi delle 87 galassie visibili</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> 26<sup>m</sup> 32,1<sup>s</sup><sup id="cite_ref-SIMBAD_1-0" class="reference"><a href="#cite_note-SIMBAD-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° 43′ 24″<sup id="cite_ref-SIMBAD_1-1" class="reference"><a href="#cite_note-SIMBAD-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup> </td></tr><tr><th style="width:45%"><a href="/wiki/Distanza_astronomica" title="Distanza astronomica">Distanza</a></th><td>60 milioni di <a href="/wiki/Anno_luce" title="Anno luce">a.l.</a> <br />(18 milioni di <a href="/wiki/Parsec" title="Parsec">pc</a>) </td></tr><tr><th style="width:45%"><a href="/wiki/Spostamento_verso_il_rosso" title="Spostamento verso il rosso">Redshift</a></th><td>0,0038<sup id="cite_ref-SIMBAD_1-2" class="reference"><a href="#cite_note-SIMBAD-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup> </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/Ammasso_di_galassie" title="Ammasso di galassie">Ammasso di galassie</a> </td></tr><tr><th style="width:45%">Caratteristiche rilevanti</th><td>Contiene 1500 galassie </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: 174px; top: 37px; padding: 0;"><span class="mw-valign-top" typeof="mw:File"><a href="/wiki/File:Cercle_rouge_100%25.svg" class="mw-file-description" title="Ammasso della Vergine"><img alt="Ammasso 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:Ammassi_di_galassie" title="Categoria:Ammassi di galassie">Categoria di ammassi 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> <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, immagine originale senza i nomi delle galassie</figcaption></figure> <p>L'<b>Ammasso della Vergine</b> è il più ricco <a href="/wiki/Ammasso_di_galassie" title="Ammasso di galassie">ammasso di galassie</a> tra quelli più vicini al nostro <a href="/wiki/Gruppo_Locale" title="Gruppo Locale">Gruppo Locale</a>. Con una distanza di 60 milioni di <a href="/wiki/Anno_luce" title="Anno luce">anni luce</a>, molte delle sue galassie sono visibili con piccoli <a href="/wiki/Telescopio" title="Telescopio">telescopi</a>. </p> <meta property="mw:PageProp/toc" /> <div class="mw-heading mw-heading2"><h2 id="Caratteristiche">Caratteristiche</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Ammasso_della_Vergine&veaction=edit&section=1" title="Modifica la sezione Caratteristiche" class="mw-editsection-visualeditor"><span>modifica</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Ammasso_della_Vergine&action=edit&section=1" title="Edit section's source code: Caratteristiche"><span>modifica wikitesto</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Si tratta di un tipico ricco ammasso di galassie, con circa 1500 membri<sup id="cite_ref-SIMBAD_1-3" class="reference"><a href="#cite_note-SIMBAD-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup>. La sua grande massa è causa delle grandi <a href="/wiki/Velocit%C3%A0_peculiare" title="Velocità peculiare">velocità peculiari</a> di molte delle sue galassie, a volte fino a 1.600 <a href="/wiki/Chilometro" title="Chilometro">km</a>/<a href="/wiki/Secondo" title="Secondo">s</a> (rispetto al centro dell'ammasso). Per confronto, lo <a href="/wiki/Spostamento_verso_il_rosso" title="Spostamento verso il rosso">spostamento verso il rosso</a> dell'ammasso corrisponde ad una velocità di soli 1.100 km/s. </p><p>L'Ammasso della Vergine è il membro più massiccio del <a href="/wiki/Superammasso_della_Vergine" title="Superammasso della Vergine">Superammasso della Vergine</a>, e i suoi effetti gravitazionali si fanno sentire rallentando e attirando le galassie vicine. Per esempio, il nostro <a href="/wiki/Gruppo_Locale" title="Gruppo Locale">Gruppo Locale</a> di galassie si sta avvicinando all'Ammasso della Vergine ad una velocità di 200 km/s. </p><p>La galassia gigante <a href="/wiki/Galassia_Virgo_A" title="Galassia Virgo A">M87</a> è il membro dominante di questo gruppo. </p><p>Il 1º marzo <a href="/wiki/2007" title="2007">2007</a>, l'astronomo giapponese <a href="/wiki/K%C5%8Dichi_Itagaki" title="Kōichi Itagaki">Kōichi Itagaki</a> ha individuato la supernova <a href="/w/index.php?title=SN_2007af&action=edit&redlink=1" class="new" title="SN 2007af (la pagina non esiste)">SN 2007af</a>. La supernova è stata individuata nella galassia NGC 5584 e la luminosità è progressivamente aumentata fino a diventare visibile anche a molti telescopi amatoriali.<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> <div class="mw-heading mw-heading2"><h2 id="Mezzo_intergalattico">Mezzo intergalattico</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Ammasso_della_Vergine&veaction=edit&section=2" title="Modifica la sezione Mezzo intergalattico" class="mw-editsection-visualeditor"><span>modifica</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Ammasso_della_Vergine&action=edit&section=2" title="Edit section's source code: Mezzo intergalattico"><span>modifica wikitesto</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Come in altri ammassi ricchi di galassie, il <a href="/wiki/Mezzo_intergalattico" class="mw-redirect" title="Mezzo intergalattico">mezzo intergalattico</a> dell'ammasso della Vergine è pieno di un plasma a temperature molto elevate (milioni di <a href="/wiki/Kelvin" title="Kelvin">kelvin</a>), rilevabili attraverso l'emissione di <a href="/wiki/Raggi_X" title="Raggi X">raggi X</a>, ed un numero relativamente elevato di <a href="/wiki/Stella_intergalattica" title="Stella intergalattica">stelle intergalattiche</a> (circa il 10% della massa totale in stelle dell'ammasso)<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>, tra cui un certo numero di <a href="/wiki/Nebulose_planetarie" class="mw-redirect" title="Nebulose planetarie">nebulose planetarie</a>, che si pensa siano state espulse dalle loro galassie a causa delle <a href="/wiki/Interazione_gravitazionale" title="Interazione gravitazionale">interazioni gravitazionali</a> con altre galassie. Sono presenti anche regioni di <a href="/wiki/Formazione_stellare" title="Formazione stellare">formazione stellare</a>, e, anche se le prove furono inizialmente controverse, <a href="/wiki/Ammassi_globulari" class="mw-redirect" title="Ammassi globulari">ammassi globulari</a>, forse strappati per lo più da <a href="/wiki/Galassia_nana" title="Galassia nana">galassie nane</a><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>. </p> <div class="mw-heading mw-heading2"><h2 id="Note">Note</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Ammasso_della_Vergine&veaction=edit&section=3" title="Modifica la sezione Note" class="mw-editsection-visualeditor"><span>modifica</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Ammasso_della_Vergine&action=edit&section=3" title="Edit section's source code: Note"><span>modifica wikitesto</span></a><span class="mw-editsection-bracket">]</span></span></div> <div class="mw-references-wrap"><ol class="references"> <li id="cite_note-SIMBAD-1"><span class="mw-cite-backlink"><b>^</b> <sup><i><a href="#cite_ref-SIMBAD_1-0">a</a></i></sup> <sup><i><a href="#cite_ref-SIMBAD_1-1">b</a></i></sup> <sup><i><a href="#cite_ref-SIMBAD_1-2">c</a></i></sup> <sup><i><a href="#cite_ref-SIMBAD_1-3">d</a></i></sup></span> <span class="reference-text"><cite class="citation web" style="font-style:normal"> <a rel="nofollow" class="external text" href="http://simbad.u-strasbg.fr/simbad/sim-id?Ident=Virgo+cluster&NbIdent=1&Radius=2&Radius.unit=arcmin&submit=submit+id"><span style="font-style:italic;">SIMBAD Astronomical Database</span></a>, su <span style="font-style:italic;">simbad.u-strasbg.fr</span>.</cite></span> </li> <li id="cite_note-2"><a href="#cite_ref-2"><b>^</b></a> <span class="reference-text"><cite class="citation web" style="font-style:normal"> <a rel="nofollow" class="external text" href="http://lescienze.espresso.repubblica.it/articolo/articolo/1298605"><span style="font-style:italic;">Una supernova nella Vergine</span></a>, su <span style="font-style:italic;">lescienze.espresso.repubblica.it</span>, Le scienze. <small>URL consultato il 3 aprile 2007</small>.</cite></span> </li> <li id="cite_note-3"><a href="#cite_ref-3"><b>^</b></a> <span class="reference-text"><cite class="citation pubblicazione" style="font-style:normal"> Harry Ferguson, <a rel="nofollow" class="external text" href="http://adsabs.harvard.edu/abs/1997hst..prop.7411F"><span style="font-style:italic;">Intergalactic Stars in the Virgo Cluster</span></a>, in <span style="font-style:italic;">HST Proposal</span>, dicembre 1997.</cite></span> </li> <li id="cite_note-4"><a href="#cite_ref-4"><b>^</b></a> <span class="reference-text"><cite class="citation pubblicazione" style="font-style:normal"> Lee, Myung Gyoon; Park, Hong Soo; Hwang, Ho Seong, <a rel="nofollow" class="external text" href="http://cdsads.u-strasbg.fr/cgi-bin/nph-bib_query?2010Sci...328..334L&db_key=AST&nosetcookie=1"><span style="font-style:italic;">Detection of a Large-Scale Structure of Intracluster Globular Clusters in the Virgo Cluster</span></a>, 2010.</cite></span> </li> </ol></div> <div class="mw-heading mw-heading2"><h2 id="Voci_correlate">Voci correlate</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Ammasso_della_Vergine&veaction=edit&section=4" title="Modifica la sezione Voci correlate" class="mw-editsection-visualeditor"><span>modifica</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Ammasso_della_Vergine&action=edit&section=4" title="Edit section's source code: Voci correlate"><span>modifica wikitesto</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><a href="/wiki/Ammasso_della_Chioma" title="Ammasso della Chioma">Ammasso della Chioma</a></li> <li><a href="/wiki/Ammasso_dell%27Orsa_Maggiore" title="Ammasso dell'Orsa Maggiore">Ammasso dell'Orsa Maggiore</a></li> <li><a href="/wiki/Galassia_Virgo_A" title="Galassia Virgo A">Galassia Virgo A</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_di_M109" title="Gruppo di M109">Gruppo di M109</a></li> <li><a href="/wiki/Superammasso_della_Vergine" title="Superammasso della Vergine">Superammasso della Vergine</a></li> <li><a href="/wiki/Interferometro_VIRGO" title="Interferometro VIRGO">Interferometro VIRGO</a></li></ul> <div class="mw-heading mw-heading2"><h2 id="Altri_progetti">Altri progetti</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Ammasso_della_Vergine&veaction=edit&section=5" title="Modifica la sezione Altri progetti" class="mw-editsection-visualeditor"><span>modifica</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Ammasso_della_Vergine&action=edit&section=5" title="Edit section's source code: Altri progetti"><span>modifica wikitesto</span></a><span class="mw-editsection-bracket">]</span></span></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 cluster"><a class="external text" href="https://commons.wikimedia.org/wiki/Category:Virgo_cluster?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_cluster?uselang=it">Ammasso della Vergine</a></span></b></li></ul> <div class="mw-heading mw-heading2"><h2 id="Collegamenti_esterni">Collegamenti esterni</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Ammasso_della_Vergine&veaction=edit&section=6" title="Modifica la sezione Collegamenti esterni" class="mw-editsection-visualeditor"><span>modifica</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Ammasso_della_Vergine&action=edit&section=6" title="Edit section's source code: Collegamenti esterni"><span>modifica wikitesto</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><a rel="nofollow" class="external text" href="https://web.archive.org/web/20070203003922/http://www.seds.org/messier/more/virgo.html">The Virgo Cluster of Galaxies</a>, SEDS Messier pages</li> <li><a rel="nofollow" class="external text" href="https://web.archive.org/web/20120603100014/http://goldmine.mib.infn.it/">GOLDMine</a>, Virgo Cluster on GOLDMine</li></ul> <div class="noprint" style="width:100%; 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