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Mizar - Wikipedia

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class="vector-toc-list"> </ul> </li> <li id="toc-Etimologia_e_significato_culturale" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Etimologia_e_significato_culturale"> <div class="vector-toc-text"> <span class="vector-toc-numb">3</span> <span>Etimologia e significato culturale</span> </div> </a> <ul id="toc-Etimologia_e_significato_culturale-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">4</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">5</span> <span>Voci 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class="vector-toc-landmark"> <div id="vector-page-titlebar-toc" class="vector-dropdown vector-page-titlebar-toc vector-button-flush-left" title="Indice" > <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&#039;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&#039;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">Mizar</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&#039;altra lingua. Disponibile in 46 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-46" 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">46 lingue</span> </label> <div class="vector-dropdown-content"> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="interlanguage-link interwiki-ar mw-list-item"><a href="https://ar.wikipedia.org/wiki/%D8%A7%D9%84%D9%85%D8%A6%D8%B2%D8%B1_(%D9%86%D8%AC%D9%85)" title="المئزر (نجم) - arabo" lang="ar" hreflang="ar" data-title="المئزر (نجم)" data-language-autonym="العربية" data-language-local-name="arabo" class="interlanguage-link-target"><span>العربية</span></a></li><li class="interlanguage-link interwiki-ast mw-list-item"><a href="https://ast.wikipedia.org/wiki/Mizar" title="Mizar - asturiano" lang="ast" hreflang="ast" data-title="Mizar" data-language-autonym="Asturianu" data-language-local-name="asturiano" class="interlanguage-link-target"><span>Asturianu</span></a></li><li class="interlanguage-link interwiki-az mw-list-item"><a href="https://az.wikipedia.org/wiki/Mitsar" title="Mitsar - azerbaigiano" lang="az" hreflang="az" data-title="Mitsar" data-language-autonym="Azərbaycanca" data-language-local-name="azerbaigiano" class="interlanguage-link-target"><span>Azərbaycanca</span></a></li><li class="interlanguage-link interwiki-be mw-list-item"><a href="https://be.wikipedia.org/wiki/%D0%9C%D1%96%D1%86%D0%B0%D1%80" title="Міцар - bielorusso" lang="be" hreflang="be" data-title="Міцар" 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/Mizar" title="Mizar - catalano" lang="ca" hreflang="ca" data-title="Mizar" 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/Mizar" title="Mizar - ceco" lang="cs" hreflang="cs" data-title="Mizar" data-language-autonym="Čeština" data-language-local-name="ceco" class="interlanguage-link-target"><span>Čeština</span></a></li><li class="interlanguage-link interwiki-de mw-list-item"><a href="https://de.wikipedia.org/wiki/Mizar" title="Mizar - tedesco" lang="de" hreflang="de" data-title="Mizar" 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%9C%CE%B9%CE%B6%CE%AC%CF%81" title="Μιζάρ - greco" lang="el" hreflang="el" data-title="Μιζάρ" 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/Mizar" title="Mizar - inglese" lang="en" hreflang="en" data-title="Mizar" data-language-autonym="English" data-language-local-name="inglese" class="interlanguage-link-target"><span>English</span></a></li><li class="interlanguage-link interwiki-eo mw-list-item"><a href="https://eo.wikipedia.org/wiki/Mizaro" title="Mizaro - esperanto" lang="eo" hreflang="eo" data-title="Mizaro" data-language-autonym="Esperanto" data-language-local-name="esperanto" class="interlanguage-link-target"><span>Esperanto</span></a></li><li class="interlanguage-link interwiki-es mw-list-item"><a href="https://es.wikipedia.org/wiki/Mizar" title="Mizar - spagnolo" lang="es" hreflang="es" data-title="Mizar" data-language-autonym="Español" data-language-local-name="spagnolo" class="interlanguage-link-target"><span>Español</span></a></li><li class="interlanguage-link interwiki-fa mw-list-item"><a href="https://fa.wikipedia.org/wiki/%D9%85%D8%A6%D8%B2%D8%B1" title="مئزر - persiano" lang="fa" hreflang="fa" data-title="مئزر" 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/Mizar" title="Mizar - finlandese" lang="fi" hreflang="fi" data-title="Mizar" 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/Zeta_Ursae_Majoris" title="Zeta Ursae Majoris - francese" lang="fr" hreflang="fr" data-title="Zeta Ursae Majoris" data-language-autonym="Français" data-language-local-name="francese" class="interlanguage-link-target"><span>Français</span></a></li><li class="interlanguage-link interwiki-fur mw-list-item"><a href="https://fur.wikipedia.org/wiki/Mizar" title="Mizar - friulano" lang="fur" hreflang="fur" data-title="Mizar" data-language-autonym="Furlan" data-language-local-name="friulano" class="interlanguage-link-target"><span>Furlan</span></a></li><li class="interlanguage-link interwiki-he mw-list-item"><a href="https://he.wikipedia.org/wiki/%D7%9E%D7%99%D7%96%D7%A8" title="מיזר - ebraico" lang="he" hreflang="he" data-title="מיזר" 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/Mizar" title="Mizar - croato" lang="hr" hreflang="hr" data-title="Mizar" data-language-autonym="Hrvatski" data-language-local-name="croato" class="interlanguage-link-target"><span>Hrvatski</span></a></li><li class="interlanguage-link interwiki-hy mw-list-item"><a href="https://hy.wikipedia.org/wiki/%D5%84%D5%AB%D6%81%D5%A1%D6%80" title="Միցար - armeno" lang="hy" hreflang="hy" data-title="Միցար" data-language-autonym="Հայերեն" data-language-local-name="armeno" class="interlanguage-link-target"><span>Հայերեն</span></a></li><li class="interlanguage-link interwiki-ja mw-list-item"><a href="https://ja.wikipedia.org/wiki/%E3%83%9F%E3%82%B6%E3%83%BC%E3%83%AB" title="ミザール - giapponese" lang="ja" hreflang="ja" data-title="ミザール" 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%9B%E1%83%98%E1%83%AA%E1%83%90%E1%83%A0%E1%83%98" title="მიცარი - georgiano" lang="ka" hreflang="ka" data-title="მიცარი" data-language-autonym="ქართული" data-language-local-name="georgiano" class="interlanguage-link-target"><span>ქართული</span></a></li><li class="interlanguage-link interwiki-kk mw-list-item"><a href="https://kk.wikipedia.org/wiki/%D0%9C%D0%B8%D1%86%D0%B0%D1%80" title="Мицар - kazako" lang="kk" hreflang="kk" data-title="Мицар" data-language-autonym="Қазақша" data-language-local-name="kazako" class="interlanguage-link-target"><span>Қазақша</span></a></li><li class="interlanguage-link interwiki-ko mw-list-item"><a href="https://ko.wikipedia.org/wiki/%EB%AF%B8%EC%9E%90%EB%A5%B4" title="미자르 - coreano" lang="ko" hreflang="ko" data-title="미자르" 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/Mizar_(St%C3%A4r)" title="Mizar (Stär) - lussemburghese" lang="lb" hreflang="lb" data-title="Mizar (Stär)" data-language-autonym="Lëtzebuergesch" data-language-local-name="lussemburghese" class="interlanguage-link-target"><span>Lëtzebuergesch</span></a></li><li class="interlanguage-link interwiki-li mw-list-item"><a href="https://li.wikipedia.org/wiki/Mizar" title="Mizar - limburghese" lang="li" hreflang="li" data-title="Mizar" data-language-autonym="Limburgs" data-language-local-name="limburghese" class="interlanguage-link-target"><span>Limburgs</span></a></li><li class="interlanguage-link interwiki-mk mw-list-item"><a href="https://mk.wikipedia.org/wiki/%D0%9C%D0%B8%D0%B7%D0%B0%D1%80_(%D1%95%D0%B2%D0%B5%D0%B7%D0%B4%D0%B0)" title="Мизар (ѕвезда) - macedone" lang="mk" hreflang="mk" data-title="Мизар (ѕвезда)" data-language-autonym="Македонски" data-language-local-name="macedone" class="interlanguage-link-target"><span>Македонски</span></a></li><li class="interlanguage-link interwiki-nl mw-list-item"><a href="https://nl.wikipedia.org/wiki/Mizar" title="Mizar - olandese" lang="nl" hreflang="nl" data-title="Mizar" 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/Alkor_og_Mizar" title="Alkor og Mizar - norvegese nynorsk" lang="nn" hreflang="nn" data-title="Alkor og Mizar" 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/Mizar" title="Mizar - norvegese bokmål" lang="nb" hreflang="nb" data-title="Mizar" 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/Mizar_(gwiazda)" title="Mizar (gwiazda) - polacco" lang="pl" hreflang="pl" data-title="Mizar (gwiazda)" 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/Zeta_Ursae_Majoris" title="Zeta Ursae Majoris - portoghese" lang="pt" hreflang="pt" data-title="Zeta Ursae Majoris" 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/Zeta_Ursae_Majoris" title="Zeta Ursae Majoris - rumeno" lang="ro" hreflang="ro" data-title="Zeta Ursae Majoris" 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%B8%D1%86%D0%B0%D1%80" title="Мицар - russo" lang="ru" hreflang="ru" data-title="Мицар" data-language-autonym="Русский" data-language-local-name="russo" class="interlanguage-link-target"><span>Русский</span></a></li><li class="interlanguage-link interwiki-scn mw-list-item"><a href="https://scn.wikipedia.org/wiki/Mizar" title="Mizar - siciliano" lang="scn" hreflang="scn" data-title="Mizar" data-language-autonym="Sicilianu" data-language-local-name="siciliano" class="interlanguage-link-target"><span>Sicilianu</span></a></li><li class="interlanguage-link interwiki-sh mw-list-item"><a href="https://sh.wikipedia.org/wiki/Mizar_(zvijezda)" title="Mizar (zvijezda) - serbo-croato" lang="sh" hreflang="sh" data-title="Mizar (zvijezda)" data-language-autonym="Srpskohrvatski / српскохрватски" data-language-local-name="serbo-croato" class="interlanguage-link-target"><span>Srpskohrvatski / српскохрватски</span></a></li><li class="interlanguage-link interwiki-simple mw-list-item"><a href="https://simple.wikipedia.org/wiki/Mizar" title="Mizar - Simple English" lang="en-simple" hreflang="en-simple" data-title="Mizar" 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/Mizar" title="Mizar - slovacco" lang="sk" hreflang="sk" data-title="Mizar" 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/Mizar_(zvezda)" title="Mizar (zvezda) - sloveno" lang="sl" hreflang="sl" data-title="Mizar (zvezda)" data-language-autonym="Slovenščina" data-language-local-name="sloveno" class="interlanguage-link-target"><span>Slovenščina</span></a></li><li class="interlanguage-link interwiki-sr mw-list-item"><a href="https://sr.wikipedia.org/wiki/Mizar_(zvezda)" title="Mizar (zvezda) - serbo" lang="sr" hreflang="sr" data-title="Mizar (zvezda)" data-language-autonym="Српски / srpski" data-language-local-name="serbo" class="interlanguage-link-target"><span>Српски / srpski</span></a></li><li class="interlanguage-link interwiki-sv mw-list-item"><a href="https://sv.wikipedia.org/wiki/Mizar" title="Mizar - svedese" lang="sv" hreflang="sv" data-title="Mizar" data-language-autonym="Svenska" data-language-local-name="svedese" class="interlanguage-link-target"><span>Svenska</span></a></li><li class="interlanguage-link interwiki-sw mw-list-item"><a href="https://sw.wikipedia.org/wiki/Mizari" title="Mizari - swahili" lang="sw" hreflang="sw" data-title="Mizari" data-language-autonym="Kiswahili" data-language-local-name="swahili" class="interlanguage-link-target"><span>Kiswahili</span></a></li><li class="interlanguage-link interwiki-tr mw-list-item"><a href="https://tr.wikipedia.org/wiki/Mizar" title="Mizar - turco" lang="tr" hreflang="tr" data-title="Mizar" 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%9C%D1%96%D1%86%D0%B0%D1%80" title="Міцар - ucraino" lang="uk" hreflang="uk" data-title="Міцар" data-language-autonym="Українська" data-language-local-name="ucraino" class="interlanguage-link-target"><span>Українська</span></a></li><li class="interlanguage-link interwiki-uz mw-list-item"><a href="https://uz.wikipedia.org/wiki/Mitsar" title="Mitsar - uzbeco" lang="uz" hreflang="uz" data-title="Mitsar" data-language-autonym="Oʻzbekcha / ўзбекча" data-language-local-name="uzbeco" class="interlanguage-link-target"><span>Oʻzbekcha / ўзбекча</span></a></li><li class="interlanguage-link interwiki-vi mw-list-item"><a href="https://vi.wikipedia.org/wiki/Mizar_(sao)" title="Mizar (sao) - vietnamita" lang="vi" hreflang="vi" data-title="Mizar (sao)" data-language-autonym="Tiếng Việt" data-language-local-name="vietnamita" class="interlanguage-link-target"><span>Tiếng Việt</span></a></li><li class="interlanguage-link interwiki-zh mw-list-item"><a href="https://zh.wikipedia.org/wiki/%E9%96%8B%E9%99%BD_(%E6%81%86%E6%98%9F)" title="開陽 (恆星) - cinese" lang="zh" hreflang="zh" data-title="開陽 (恆星)" data-language-autonym="中文" data-language-local-name="cinese" class="interlanguage-link-target"><span>中文</span></a></li><li class="interlanguage-link interwiki-zh-classical mw-list-item"><a href="https://zh-classical.wikipedia.org/wiki/%E9%96%8B%E9%99%BD" title="開陽 - cinese classico" lang="lzh" hreflang="lzh" data-title="開陽" data-language-autonym="文言" data-language-local-name="cinese classico" class="interlanguage-link-target"><span>文言</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/Q66477109#sitelinks-wikipedia" title="Modifica collegamenti interlinguistici" class="wbc-editpage">Modifica collegamenti</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="Namespace"> <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/Mizar" title="Vedi la voce [c]" accesskey="c"><span>Voce</span></a></li><li id="ca-talk" class="vector-tab-noicon mw-list-item"><a href="/wiki/Discussione:Mizar" rel="discussion" title="Vedi le discussioni relative a questa pagina [t]" accesskey="t"><span>Discussione</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" data-event-name="ui.dropdown-vector-variants-dropdown" class="vector-dropdown-checkbox " aria-label="Cambia versione linguistica" > <label id="vector-variants-dropdown-label" for="vector-variants-dropdown-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet" aria-hidden="true" ><span class="vector-dropdown-label-text">italiano</span> </label> <div class="vector-dropdown-content"> <div id="p-variants" class="vector-menu mw-portlet mw-portlet-variants emptyPortlet" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> </ul> </div> </div> </div> </div> </nav> </div> <div id="right-navigation" class="vector-collapsible"> <nav aria-label="Visite"> <div id="p-views" class="vector-menu vector-menu-tabs mw-portlet mw-portlet-views" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="ca-view" class="selected vector-tab-noicon mw-list-item"><a href="/wiki/Mizar"><span>Leggi</span></a></li><li id="ca-ve-edit" class="vector-tab-noicon mw-list-item"><a href="/w/index.php?title=Mizar&amp;veaction=edit" title="Modifica questa pagina [v]" accesskey="v"><span>Modifica</span></a></li><li id="ca-edit" class="collapsible vector-tab-noicon mw-list-item"><a href="/w/index.php?title=Mizar&amp;action=edit" title="Modifica il wikitesto di questa pagina [e]" accesskey="e"><span>Modifica wikitesto</span></a></li><li id="ca-history" class="vector-tab-noicon mw-list-item"><a href="/w/index.php?title=Mizar&amp;action=history" title="Versioni precedenti di questa pagina [h]" accesskey="h"><span>Cronologia</span></a></li> </ul> </div> </div> </nav> <nav class="vector-page-tools-landmark" aria-label="Strumenti pagine"> <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" 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class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-page-tools.pin">sposta nella barra laterale</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-page-tools.unpin">nascondi</button> </div> <div id="p-cactions" class="vector-menu mw-portlet mw-portlet-cactions emptyPortlet vector-has-collapsible-items" title="Altre opzioni" > <div class="vector-menu-heading"> Azioni </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="ca-more-view" class="selected vector-more-collapsible-item mw-list-item"><a href="/wiki/Mizar"><span>Leggi</span></a></li><li id="ca-more-ve-edit" class="vector-more-collapsible-item mw-list-item"><a href="/w/index.php?title=Mizar&amp;veaction=edit" title="Modifica questa pagina [v]" accesskey="v"><span>Modifica</span></a></li><li id="ca-more-edit" class="collapsible vector-more-collapsible-item mw-list-item"><a href="/w/index.php?title=Mizar&amp;action=edit" title="Modifica il wikitesto di questa pagina [e]" accesskey="e"><span>Modifica wikitesto</span></a></li><li id="ca-more-history" class="vector-more-collapsible-item mw-list-item"><a href="/w/index.php?title=Mizar&amp;action=history"><span>Cronologia</span></a></li> </ul> </div> </div> <div id="p-tb" class="vector-menu mw-portlet mw-portlet-tb" > <div class="vector-menu-heading"> Generale </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="t-whatlinkshere" class="mw-list-item"><a href="/wiki/Speciale:PuntanoQui/Mizar" title="Elenco di tutte le pagine che sono collegate a questa [j]" accesskey="j"><span>Puntano qui</span></a></li><li id="t-recentchangeslinked" class="mw-list-item"><a href="/wiki/Speciale:ModificheCorrelate/Mizar" rel="nofollow" title="Elenco delle ultime modifiche alle pagine collegate a questa [k]" accesskey="k"><span>Modifiche correlate</span></a></li><li id="t-permalink" class="mw-list-item"><a href="/w/index.php?title=Mizar&amp;oldid=142668323" title="Collegamento permanente a questa versione di questa pagina"><span>Link permanente</span></a></li><li id="t-info" class="mw-list-item"><a href="/w/index.php?title=Mizar&amp;action=info" title="Ulteriori informazioni su questa pagina"><span>Informazioni pagina</span></a></li><li id="t-cite" class="mw-list-item"><a href="/w/index.php?title=Speciale:Cita&amp;page=Mizar&amp;id=142668323&amp;wpFormIdentifier=titleform" title="Informazioni su come citare questa pagina"><span>Cita questa voce</span></a></li><li id="t-urlshortener" class="mw-list-item"><a href="/w/index.php?title=Speciale:UrlShortener&amp;url=https%3A%2F%2Fit.wikipedia.org%2Fwiki%2FMizar"><span>Ottieni URL breve</span></a></li><li id="t-urlshortener-qrcode" class="mw-list-item"><a href="/w/index.php?title=Speciale:QrCode&amp;url=https%3A%2F%2Fit.wikipedia.org%2Fwiki%2FMizar"><span>Scarica codice QR</span></a></li> </ul> </div> </div> <div id="p-coll-print_export" class="vector-menu mw-portlet mw-portlet-coll-print_export" > <div class="vector-menu-heading"> Stampa/esporta </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="coll-create_a_book" class="mw-list-item"><a href="/w/index.php?title=Speciale:Libro&amp;bookcmd=book_creator&amp;referer=Mizar"><span>Crea un libro</span></a></li><li id="coll-download-as-rl" class="mw-list-item"><a href="/w/index.php?title=Speciale:DownloadAsPdf&amp;page=Mizar&amp;action=show-download-screen"><span>Scarica come PDF</span></a></li><li id="t-print" class="mw-list-item"><a href="/w/index.php?title=Mizar&amp;printable=yes" title="Versione stampabile di questa pagina [p]" accesskey="p"><span>Versione stampabile</span></a></li> </ul> </div> </div> <div id="p-wikibase-otherprojects" class="vector-menu mw-portlet mw-portlet-wikibase-otherprojects" > <div class="vector-menu-heading"> In altri progetti </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="wb-otherproject-link wb-otherproject-commons mw-list-item"><a href="https://commons.wikimedia.org/wiki/Category:Mizar" hreflang="en"><span>Wikimedia Commons</span></a></li><li id="t-wikibase" class="wb-otherproject-link wb-otherproject-wikibase-dataitem mw-list-item"><a href="https://www.wikidata.org/wiki/Special:EntityPage/Q66477109" title="Collegamento all&#039;elemento connesso dell&#039;archivio dati [g]" accesskey="g"><span>Elemento Wikidata</span></a></li> </ul> </div> </div> </div> </div> </div> </div> </nav> </div> </div> </div> <div class="vector-column-end"> <div class="vector-sticky-pinned-container"> <nav class="vector-page-tools-landmark" aria-label="Strumenti pagine"> <div id="vector-page-tools-pinned-container" class="vector-pinned-container"> </div> </nav> <nav class="vector-appearance-landmark" aria-label="Aspetto"> <div id="vector-appearance-pinned-container" class="vector-pinned-container"> <div id="vector-appearance" class="vector-appearance vector-pinnable-element"> <div class="vector-pinnable-header vector-appearance-pinnable-header vector-pinnable-header-pinned" data-feature-name="appearance-pinned" data-pinnable-element-id="vector-appearance" data-pinned-container-id="vector-appearance-pinned-container" data-unpinned-container-id="vector-appearance-unpinned-container" > <div class="vector-pinnable-header-label">Aspetto</div> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-appearance.pin">sposta nella barra laterale</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-appearance.unpin">nascondi</button> </div> </div> </div> </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/40px-Jupiter_and_moon.png 1.5x" data-file-width="128" data-file-height="128" /></span></span> <a rel="nofollow" class="external text" href="http://www.wikisky.org/?ra=13.398761944444&amp;de=54.925361111111&amp;zoom=6&amp;show_grid=1&amp;show_constellation_lines=1&amp;show_constellation_boundaries=1&amp;show_const_names=1&amp;show_galaxies=1&amp;img_source=IMG_all">13<sup>h</sup> 23<sup>m</sup> 55.543<sup>s</sup>, +54° 55′ 31.3″</a></span></div></div> </div> <div id="siteSub" class="noprint">Da Wikipedia, l&#039;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"><style data-mw-deduplicate="TemplateStyles:r130658281">body:not(.skin-minerva) .mw-parser-output .hatnote.nota-disambigua{clear:both;margin-top:0;padding:.05em .5em}</style> <style data-mw-deduplicate="TemplateStyles:r139142988">.mw-parser-output .hatnote-content{align-items:center;display:flex}.mw-parser-output .hatnote-icon{flex-shrink:0}.mw-parser-output .hatnote-icon img{display:flex}.mw-parser-output .hatnote-text{font-style:italic}body:not(.skin-minerva) .mw-parser-output .hatnote{border:1px solid #CCC;display:flex;margin:.5em 0;padding:.2em .5em}body:not(.skin-minerva) .mw-parser-output .hatnote-text{padding-left:.5em}body.skin-minerva .mw-parser-output .hatnote-icon{padding-right:8px}body.skin-minerva .mw-parser-output .hatnote-icon img{height:auto;width:16px}body.skin--responsive .mw-parser-output .hatnote a.new{color:#d73333}body.skin--responsive .mw-parser-output .hatnote a.new:visited{color:#a55858}</style> <div class="hatnote noprint nota-disambigua"> <div class="hatnote-content"><span class="noviewer hatnote-icon" typeof="mw:File"><span><img src="//upload.wikimedia.org/wikipedia/commons/thumb/b/bc/Nota_disambigua.svg/18px-Nota_disambigua.svg.png" decoding="async" width="18" height="18" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/b/bc/Nota_disambigua.svg/27px-Nota_disambigua.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/b/bc/Nota_disambigua.svg/36px-Nota_disambigua.svg.png 2x" data-file-width="200" data-file-height="200" /></span></span> <span class="hatnote-text"><a href="/wiki/Aiuto:Disambiguazione" title="Aiuto:Disambiguazione">Disambiguazione</a> – Se stai cercando altri significati, vedi <b><a href="/wiki/Mizar_(disambigua)" class="mw-disambig" title="Mizar (disambigua)">Mizar (disambigua)</a></b>.</span></div> </div> <style data-mw-deduplicate="TemplateStyles:r143074810">.mw-parser-output .sinottico{background-color:#f8f9fa;border:1px solid #c8ccd1;border-spacing:0;clear:right;float:right;font-size:95%;line-height:1.4em;margin:0 0 1em 1.5em;width:280px}.mw-parser-output .sinottico caption{font-weight:bold}.mw-parser-output .sinottico>tbody>tr>th:not(:only-child),.mw-parser-output .sinottico_annidata>tbody>tr>th:not(:only-child){background-color:#f3f3f3;border-right:1px solid #e5e5e8;text-align:left;vertical-align:top}.mw-parser-output .sinottico>tbody>tr:not(:last-child)>td,.mw-parser-output .sinottico>tbody>tr:not(:last-child)>th,.mw-parser-output .sinottico_annidata>tbody>tr>td,.mw-parser-output .sinottico_annidata>tbody>tr>th{border-bottom:1px solid #e0e0e0}.mw-parser-output .sinottico>tbody>tr>td,.mw-parser-output .sinottico>tbody>tr>th:not(:only-child),.mw-parser-output .sinottico_annidata>tbody>tr>td,.mw-parser-output .sinottico_annidata>tbody>tr>th:not(:only-child){padding:.25em .4em}.mw-parser-output .sinottico>tbody>tr>td,.mw-parser-output .sinottico_annidata>tbody>tr>td{vertical-align:middle}.mw-parser-output .sinottico>tbody>tr>td>hr:only-child{margin:0.4em 0.2em}.mw-parser-output .sinottico ul{margin:0 0 0 1em;padding:0}.mw-parser-output .sinottico_annidata{border-spacing:0;margin:0 -.4em;width:calc(100% + calc(.4em*2))}.mw-parser-output .sinottico_annidata:last-child{margin-bottom:-.2em}.mw-parser-output .sinottico_annidata:last-child>tbody>tr:last-child>td,.mw-parser-output .sinottico_annidata:last-child>tbody>tr:last-child>th{border-bottom:none}.mw-parser-output .sinottico_divisione+.sinottico_divisione>th,.mw-parser-output .sinottico_testata+.sinottico_divisione>th{border-top:2px solid #f8f9fa}.mw-parser-output .sinottico_divisione th{background-color:#eeeeee;padding:.15em .4em;text-align:center}.mw-parser-output .sinottico_piede{text-align:center;font-size:90%;background:#EFEFEF}.mw-parser-output .sinottico_piede2{background-color:white;font-size:xx-small;padding-bottom:0;text-align:right}.mw-parser-output .sinottico_sottotitolo{font-size:80%}.mw-parser-output .sinottico_testata th{background-color:#dedede;font-size:116%;padding:.2em .4em;text-align:center}.mw-parser-output .sinottico_testo_centrale{text-align:center}</style><table class="infobox sinottico" summary="Tabella sinottica che riassume i principali dati del soggetto"><tbody><tr class="sinottico_testata"><th colspan="2" style="background: #FF3333;color:white">Mizar A / B</th></tr><tr><td class="sinottico_testo_centrale" colspan="2"><figure class="mw-halign-center" typeof="mw:File/Frameless"><a href="/wiki/File:Mizar.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/it/thumb/d/d4/Mizar.jpg/260px-Mizar.jpg" decoding="async" width="260" height="260" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/it/thumb/d/d4/Mizar.jpg/390px-Mizar.jpg 1.5x, //upload.wikimedia.org/wikipedia/it/thumb/d/d4/Mizar.jpg/520px-Mizar.jpg 2x" data-file-width="800" data-file-height="800" /></a><figcaption></figcaption></figure>Mizar e <a href="/wiki/Alcor" title="Alcor">Alcor</a> </td></tr><tr><th>Classificazione</th><td><a href="/wiki/Sistema_multiplo" class="mw-redirect" title="Sistema multiplo">Sistema multiplo</a> </td></tr><tr><th><a href="/wiki/Classificazione_stellare" title="Classificazione stellare">Classe spettrale</a></th><td>A2V + A2V / A5-7V + A5-7V </td></tr><tr><th>Distanza dal Sole</th><td>85,8 <a href="/wiki/Anno_luce" title="Anno luce">anni luce</a><sup id="cite_ref-Rett_dist_1-0" class="reference"><a href="#cite_note-Rett_dist-1"><span class="cite-bracket">&#91;</span>1<span class="cite-bracket">&#93;</span></a></sup> </td></tr><tr><th><a href="/wiki/Costellazione" title="Costellazione">Costellazione</a></th><td><a href="/wiki/Orsa_Maggiore" title="Orsa Maggiore">Orsa Maggiore</a> </td></tr><tr class="sinottico_divisione"><th colspan="2" style="background: #FF3333;color:white">Coordinate</th></tr><tr><td class="sinottico_testo_centrale" colspan="2">(all'<a href="/wiki/Epoca_(astronomia)" title="Epoca (astronomia)">epoca</a> <a href="/wiki/2000" title="2000">J2000</a>) </td></tr><tr><th><a href="/wiki/Ascensione_retta" title="Ascensione retta">Ascensione retta</a></th><td>13<sup>h</sup>&#160;23<sup>m</sup>&#160;55,543<sup>s</sup> </td></tr><tr><th><a href="/wiki/Declinazione_(astronomia)" title="Declinazione (astronomia)">Declinazione</a></th><td>&#43;54&#176;&#160;55&#8242;&#160;31,30&#8243; </td></tr><tr class="sinottico_divisione"><th colspan="2" style="background: #FF3333;color:white">Dati fisici</th></tr><tr><th><a href="/wiki/Massa_(fisica)" title="Massa (fisica)">Massa</a></th><td><div>2,5 + 2,5 / 1,6 + 1,6 <a href="/wiki/Massa_solare" title="Massa solare">M<sub>⊙</sub></a></div> </td></tr><tr><th><a href="/wiki/Luminosit%C3%A0_(astronomia)" title="Luminosità (astronomia)">Luminosità</a></th><td><div>35/35 <a href="/wiki/Luminosit%C3%A0_solare" title="Luminosità solare">L<sub>⊙</sub></a></div> </td></tr><tr><th><a href="/wiki/Indice_di_colore" title="Indice di colore">Indice di colore</a> <small>(<a href="/wiki/Sistema_fotometrico_UBV" title="Sistema fotometrico UBV">B-V</a>)</small></th><td>0,13 </td></tr><tr class="sinottico_divisione"><th colspan="2" style="background: #FF3333;color:white">Dati osservativi</th></tr><tr><th><a href="/wiki/Magnitudine_apparente" title="Magnitudine apparente">Magnitudine app.</a></th><td>+2,23 / 3,88 </td></tr><tr><th><a href="/wiki/Magnitudine_assoluta" title="Magnitudine assoluta">Magnitudine ass.</a></th><td>0,34 / 2,04 </td></tr><tr><th><a href="/wiki/Parallasse" title="Parallasse">Parallasse</a></th><td>41,73 ± 0,61 <a href="/wiki/Milliarcosecondo" title="Milliarcosecondo">mas</a> </td></tr><tr><th><a href="/wiki/Moto_proprio" title="Moto proprio">Moto proprio</a></th><td><a href="/wiki/Ascensione_retta" title="Ascensione retta">AR</a>:&#160;121,23&#160;<a href="/wiki/Milliarcosecondo" title="Milliarcosecondo">mas</a>/<a href="/wiki/Anno" title="Anno">anno</a><br /><a href="/wiki/Declinazione_(astronomia)" title="Declinazione (astronomia)">Dec</a>:&#160;−22,01&#160;<a href="/wiki/Milliarcosecondo" title="Milliarcosecondo">mas</a>/<a href="/wiki/Anno" title="Anno">anno</a> </td></tr><tr><th><a href="/wiki/Velocit%C3%A0_radiale" title="Velocità radiale">Velocità radiale</a></th><td><span class="nowrap"><span data-sort-value="2996100000000000000♠"></span>−9&#160;<a href="/wiki/Metro_al_secondo" title="Metro al secondo">km/s</a></span> </td></tr><tr class="sinottico_divisione"><th colspan="2" style="background: #FF3333;color:white">Nomenclature alternative</th></tr><tr><td class="sinottico_testo_centrale" colspan="2"><div style="text-align:left">Mizar, Mizat, Mirza, Mitsar, <a href="/wiki/Nomenclatura_di_Bayer" title="Nomenclatura di Bayer">ζ UMa</a>, <a href="/wiki/Nomenclatura_di_Flamsteed" title="Nomenclatura di Flamsteed">79 UMa</a>, <a href="/wiki/Catalogo_HR" title="Catalogo HR">HR</a> 5054, <a href="/wiki/Bonner_Durchmusterung" title="Bonner Durchmusterung">BD</a>+55 1598A, <a href="/wiki/Catalogo_HD" class="mw-redirect" title="Catalogo HD">HD</a>, 116656, GCTP 3062.00, <a href="/wiki/Catalogo_SAO" title="Catalogo SAO">SAO</a> 28737, FK5 497, GC 18133, ADS 8891, CCDM J13240+5456, <a href="/wiki/Catalogo_Hipparcos" title="Catalogo Hipparcos">HIP 65378</a>.</div> </td></tr><tr><td class="sinottico_piede2 noprint nomobile metadata" colspan="2"><a href="https://www.wikidata.org/wiki/Q66477109" class="extiw" title="d:Q66477109"><span title="Modifica i dati della voce Mizar su Wikidata">Modifica dati su Wikidata</span></a><b>&#160;·</b> <a href="/wiki/Template:Corpo_celeste/man" title="Template:Corpo celeste/man"><span title="Manuale del template Corpo celeste">Manuale</span></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><b>Mizar</b> (<a href="/wiki/Alfabeto_fonetico_internazionale" title="Alfabeto fonetico internazionale">AFI</a>: <a href="/wiki/Aiuto:IPA_per_l%27italiano" title="Aiuto:IPA per l&#39;italiano"><span title="Questa è una trascrizione IPA della pronuncia. Vedere l&#39;alfabeto fonetico internazionale." class="IPA">/ˈmiʣar/</span></a><sup id="cite_ref-2" class="reference"><a href="#cite_note-2"><span class="cite-bracket">&#91;</span>2<span class="cite-bracket">&#93;</span></a></sup>; <a href="/wiki/Nomenclatura_di_Bayer" title="Nomenclatura di Bayer">Zeta Ursae Majoris, ζ UMa</a>) è una <a href="/wiki/Stella" title="Stella">stella</a> nella <a href="/wiki/Costellazione" title="Costellazione">costellazione</a> dell'<a href="/wiki/Ursa_Major" class="mw-redirect" title="Ursa Major">Orsa Maggiore</a>. La sua <a href="/wiki/Magnitudine_apparente" title="Magnitudine apparente">magnitudine apparente</a> è +2,23 e forma, assieme alla più debole <a href="/wiki/Alcor" title="Alcor">Alcor</a>, una delle <a href="/wiki/Binaria_visuale" title="Binaria visuale">doppie visuali</a> più famose del cielo. La distanza reale tra le due stelle è compresa tra 0,28 e 2 <a href="/wiki/Anni_luce" class="mw-redirect" title="Anni luce">anni luce</a> circa,<sup id="cite_ref-Mamajek_3-0" class="reference"><a href="#cite_note-Mamajek-3"><span class="cite-bracket">&#91;</span>3<span class="cite-bracket">&#93;</span></a></sup> quindi molto alta, ma il loro <a href="/wiki/Moto_proprio" title="Moto proprio">moto proprio</a> mostra che potrebbero costituire una <a href="/wiki/Stella_binaria" title="Stella binaria">stella binaria</a> e non una doppia prospettica come si pensava in precedenza. Nel corso degli ultimi secoli, a una più profonda indagine astronomica Mizar si è rivelata essere un <a href="/wiki/Sistema_stellare" title="Sistema stellare">sistema stellare</a> composto da quattro stelle. </p> <meta property="mw:PageProp/toc" /> <div class="mw-heading mw-heading2"><h2 id="Osservazione">Osservazione</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Mizar&amp;veaction=edit&amp;section=1" title="Modifica la sezione Osservazione" class="mw-editsection-visualeditor"><span>modifica</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Mizar&amp;action=edit&amp;section=1" title="Edit section&#39;s source code: Osservazione"><span>modifica wikitesto</span></a><span class="mw-editsection-bracket">]</span></span></div> <figure class="mw-default-size mw-halign-left" typeof="mw:File/Thumb"><a href="/wiki/File:Ursa_major_star_name.svg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/a/ae/Ursa_major_star_name.svg/240px-Ursa_major_star_name.svg.png" decoding="async" width="240" height="97" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/a/ae/Ursa_major_star_name.svg/360px-Ursa_major_star_name.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/a/ae/Ursa_major_star_name.svg/480px-Ursa_major_star_name.svg.png 2x" data-file-width="800" data-file-height="324" /></a><figcaption>Mappa della costellazione dell'Orsa Maggiore</figcaption></figure> <p>Avendo una <a href="/wiki/Declinazione_(astronomia)" title="Declinazione (astronomia)">declinazione</a> di +54° 55', Mizar è una stella dell'<a href="/wiki/Emisfero_celeste_boreale" title="Emisfero celeste boreale">emisfero boreale</a> e appare <a href="/wiki/Circumpolare" class="mw-redirect" title="Circumpolare">circumpolare</a> già nelle <a href="/wiki/Zone_temperate" class="mw-redirect" title="Zone temperate">zone temperate</a> dell'<a href="/wiki/Emisfero_boreale" title="Emisfero boreale">emisfero boreale</a>, più a nord della <a href="/wiki/Latitudine" title="Latitudine">latitudine</a> 35° N, mentre l'osservazione dall'emisfero australe risulta penalizzata, e la stella non sorge mai più a sud del <a href="/wiki/Parallelo_(geografia)" title="Parallelo (geografia)">parallelo</a> 35° S. Avendo una magnitudine di +2,23, la stella è facilmente individuabile anche dai piccoli e medi centri urbani moderatamente affetti da <a href="/wiki/Inquinamento_luminoso" title="Inquinamento luminoso">inquinamento luminoso</a>. </p><p>Le persone di buona vista possono notare accanto a Mizar una debole stella compagna appena a est, chiamata <a href="/wiki/Alcor" title="Alcor">Alcor</a> oppure <i>80 Ursae Majoris</i>. Le due sono a volte chiamate rispettivamente <i>il Cavallo e il Cavaliere</i> da una traduzione dalla <a href="/wiki/Lingua_persiana" title="Lingua persiana">lingua persiana</a>, e l'abilità nel vederle entrambe è un test tradizionale della vista (usato già in antichità: era una delle prove attitudinali per le aspiranti guardie dell'imperatore nei paesi arabi). Alcor ha magnitudine apparente +4,02 e un tipo spettrale A5&#160;V. La sua magnitudine la renderebbe relativamente facile da scorgere, se non fosse così vicina alla più brillante Mizar. </p> <div class="mw-heading mw-heading2"><h2 id="Sistema_stellare">Sistema stellare</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Mizar&amp;veaction=edit&amp;section=2" title="Modifica la sezione Sistema stellare" class="mw-editsection-visualeditor"><span>modifica</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Mizar&amp;action=edit&amp;section=2" title="Edit section&#39;s source code: Sistema stellare"><span>modifica wikitesto</span></a><span class="mw-editsection-bracket">]</span></span></div> <figure class="mw-default-size mw-halign-left" typeof="mw:File/Thumb"><a href="/wiki/File:Mizar_alcor.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/4/44/Mizar_alcor.jpg/220px-Mizar_alcor.jpg" decoding="async" width="220" height="178" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/4/44/Mizar_alcor.jpg/330px-Mizar_alcor.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/4/44/Mizar_alcor.jpg/440px-Mizar_alcor.jpg 2x" data-file-width="672" data-file-height="543" /></a><figcaption>Mizar (a sinistra) e <a href="/wiki/Alcor" title="Alcor">Alcor</a> (destra). Osservando attentamente, si notano le componenti A e B che compongono Mizar.</figcaption></figure> <p>Mizar e Alcor sono separate da quasi 12 <a href="/wiki/Minuto_d%27arco" class="mw-redirect" title="Minuto d&#39;arco">minuti d'arco</a>, e nonostante condividano la stessa origine e lo stesso <a href="/wiki/Moto_proprio" title="Moto proprio">moto proprio</a> nello spazio non è certo che siano legate gravitazionalmente tra loro. La stima media della distanza di Mizar ha un alto, da cui ne deriva che la loro separazione sarebbe di <span class="nowrap"><span data-sort-value="7016110702424318000♠"></span>74<span style="margin-left:.25em;">000</span><span style="margin-left:0.3em;margin-right:0.15em;">±</span>39<span style="margin-left:.25em;">000</span>&#160;<a href="/wiki/Unit%C3%A0_astronomica" title="Unità astronomica">au</a></span>. Nel caso che le due stelle fossero esattamente alla stessa distanza da noi la loro separazione sarebbe di "soli" 17.800 UA (0,28 a.l.), mentre la stima più elevata sulla loro reale separazione le porrebbe a quasi due anni luce una dall'altra.<sup id="cite_ref-Mamajek_3-1" class="reference"><a href="#cite_note-Mamajek-3"><span class="cite-bracket">&#91;</span>3<span class="cite-bracket">&#93;</span></a></sup> </p><p>Quel che è certo è che la sola Mizar è una <a href="/wiki/Stella_quadrupla" class="mw-redirect" title="Stella quadrupla">stella quadrupla</a>. Altri componenti della stella sono stati scoperti con l'avvento del <a href="/wiki/Telescopio" title="Telescopio">telescopio</a> e dello <a href="/wiki/Spettroscopio" title="Spettroscopio">spettroscopio</a>. Mizar fu la prima <a href="/wiki/Binaria_visuale" title="Binaria visuale">binaria visuale</a> (al telescopio) a essere scoperta, probabilmente da <a href="/wiki/Benedetto_Castelli" title="Benedetto Castelli">Benedetto Castelli</a>, quando nel <a href="/wiki/1617" title="1617">1617</a> chiese al suo amico <a href="/wiki/Galileo_Galilei" title="Galileo Galilei">Galileo Galilei</a> di poterla osservare con il suo telescopio<sup id="cite_ref-4" class="reference"><a href="#cite_note-4"><span class="cite-bracket">&#91;</span>4<span class="cite-bracket">&#93;</span></a></sup>. Più tardi, nel <a href="/wiki/1650" title="1650">1650</a>, <a href="/wiki/Giovanni_Battista_Riccioli" class="mw-redirect" title="Giovanni Battista Riccioli">Giovanni Battista Riccioli</a> scrisse che la stella appariva come doppia.<sup id="cite_ref-dick_5-0" class="reference"><a href="#cite_note-dick-5"><span class="cite-bracket">&#91;</span>5<span class="cite-bracket">&#93;</span></a></sup> </p><p>La secondaria, Mizar&#160;B, ha magnitudine 4,0 e <a href="/wiki/Tipo_spettrale" class="mw-redirect" title="Tipo spettrale">tipo spettrale</a> A1, e si trova a <span class="nowrap"><span data-sort-value="7013568471908660000♠"></span>380&#160;<a href="/wiki/Unit%C3%A0_astronomica" title="Unità astronomica">au</a></span> dalla primaria (Mizar&#160;A). Le due stelle <a href="/wiki/Orbita" title="Orbita">orbitano</a> l'una attorno all'altra con un periodo di duemila anni. Mizar&#160;A divenne poi la prima <a href="/wiki/Binaria_spettroscopica" title="Binaria spettroscopica">binaria spettroscopica</a> a essere scoperta, per merito di <a href="/wiki/Edward_Charles_Pickering" title="Edward Charles Pickering">Edward Charles Pickering</a> nel <a href="/wiki/1889" title="1889">1889</a>. Le due componenti sono entrambe circa 35 volte più luminose del <a href="/wiki/Sole" title="Sole">Sole</a>, e orbitano l'una rispetto all'altra in soli 20 giorni. Anche Mizar&#160;B e Alcor sono binarie spettroscopiche, portando il numero totale di stelle del sistema a sei. </p><p>Questo <a href="/wiki/Sistema_stellare" title="Sistema stellare">sistema stellare</a> si trova a circa 85&#160;<a href="/wiki/Anno_luce" title="Anno luce">anni luce</a> di distanza dalla <a href="/wiki/Terra" title="Terra">Terra</a>. Le sei componenti fanno tutte parte dell'<a href="/wiki/Associazione_dell%27Orsa_Maggiore" title="Associazione dell&#39;Orsa Maggiore">associazione dell'Orsa Maggiore</a>, così come la maggior parte delle stelle di questa costellazione. </p> <div class="mw-heading mw-heading2"><h2 id="Etimologia_e_significato_culturale">Etimologia e significato culturale</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Mizar&amp;veaction=edit&amp;section=3" title="Modifica la sezione Etimologia e significato culturale" class="mw-editsection-visualeditor"><span>modifica</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Mizar&amp;action=edit&amp;section=3" title="Edit section&#39;s source code: Etimologia e significato culturale"><span>modifica wikitesto</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Il nome viene dall'<a href="/wiki/Lingua_araba" title="Lingua araba">arabo</a> ed è una ripetizione di <a href="/wiki/Merak_(astronomia)" title="Merak (astronomia)">Merak</a>; sembra che <a href="/wiki/Giulio_Cesare_Scaligero" title="Giulio Cesare Scaligero">Giulio Cesare Scaligero</a>, nel <a href="/wiki/XVI_secolo" title="XVI secolo">XVI secolo</a> lo abbia cambiato in Mizar, dall'arabo ميزر <i>mīzar</i>, che significa "cintura"<sup id="cite_ref-Fixed_6-0" class="reference"><a href="#cite_note-Fixed-6"><span class="cite-bracket">&#91;</span>6<span class="cite-bracket">&#93;</span></a></sup>. </p><p>In <a href="/wiki/India" title="India">India</a> era probabilmente conosciuta come <i>Vashishtha</i> (<a href="/wiki/Vasishtha" class="mw-redirect" title="Vasishtha">Vasishtha</a>), uno dei sette saggi dell'<a href="/wiki/Vedismo" title="Vedismo">epoca vedica</a><sup id="cite_ref-Fixed_6-1" class="reference"><a href="#cite_note-Fixed-6"><span class="cite-bracket">&#91;</span>6<span class="cite-bracket">&#93;</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=Mizar&amp;veaction=edit&amp;section=4" 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=Mizar&amp;action=edit&amp;section=4" title="Edit section&#39;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-Rett_dist-1"><a href="#cite_ref-Rett_dist_1-0"><b>^</b></a> <span class="reference-text"><a href="/wiki/Piero_Bianucci" title="Piero Bianucci">Piero Bianucci</a>, <a rel="nofollow" class="external text" href="http://www.lastampa.it/_web/cmstp/tmplrubriche/scienza/grubrica.asp?ID_blog=49&amp;ID_articolo=129&amp;ID_sezione=72&amp;sezione=Il%20Cielo">Distanze cosmiche: ultime notizie da Hipparchos</a> <a rel="nofollow" class="external text" href="https://web.archive.org/web/20090702024349/http://www.lastampa.it/_web/cmstp/tmplrubriche/scienza/grubrica.asp?ID_blog=49&amp;ID_articolo=129&amp;ID_sezione=72&amp;sezione=Il%20Cielo">Archiviato</a> il 2 luglio 2009 in <a href="/wiki/Internet_Archive" title="Internet Archive">Internet Archive</a>., <a href="/wiki/La_Stampa" title="La Stampa">La Stampa</a>.it 7 febbraio <a href="/wiki/2008" title="2008">2008</a></span> </li> <li id="cite_note-2"><a href="#cite_ref-2"><b>^</b></a> <span class="reference-text"> <cite class="citation testo" style="font-style:normal"> <a href="/wiki/Bruno_Migliorini" title="Bruno Migliorini">Bruno Migliorini</a> <i>et al.</i>, <a rel="nofollow" class="external text" href="https://dizionario.rai.it/p.aspx?nID=lemma&amp;lID=1056636"><span style="font-style:italic;">Scheda sul lemma "Mizar"</span></a>, in <span style="font-style:italic;"><a href="/wiki/Dizionario_d%27ortografia_e_di_pronunzia" title="Dizionario d&#39;ortografia e di pronunzia">Dizionario d'ortografia e di pronunzia</a></span>, Rai Eri, 2010, <a href="/wiki/ISBN" title="ISBN">ISBN</a>&#160;<a href="/wiki/Speciale:RicercaISBN/978-88-397-1478-7" title="Speciale:RicercaISBN/978-88-397-1478-7">978-88-397-1478-7</a>.</cite> </span> </li> <li id="cite_note-Mamajek-3"><span class="mw-cite-backlink"><b>^</b> <sup><i><a href="#cite_ref-Mamajek_3-0">a</a></i></sup> <sup><i><a href="#cite_ref-Mamajek_3-1">b</a></i></sup></span> <span class="reference-text"><cite class="citation pubblicazione" style="font-style:normal"> Eric E. Mamajek <i>et al.</i>, <a rel="nofollow" class="external text" href="http://iopscience.iop.org/article/10.1088/0004-6256/139/3/919/pdf"><span style="font-style:italic;">Discovery of a Faint Companion to Alcor Using MMT/AO 5 µm Imaging</span></a>, in <span style="font-style:italic;"><a href="/wiki/The_Astronomical_Journal" class="mw-redirect" title="The Astronomical Journal">The Astronomical Journal</a></span>, vol.&#160;139, n.&#160;3, 2010, pp.&#160;919-925, <a href="/wiki/Digital_object_identifier" title="Digital object identifier">DOI</a>:<a rel="nofollow" class="external text" href="https://dx.doi.org/10.1088%2F0004-6256%2F139%2F3%2F919">10.1088/0004-6256/139/3/919</a>.</cite></span> </li> <li id="cite_note-4"><a href="#cite_ref-4"><b>^</b></a> <span class="reference-text"><cite class="citation web" style="font-style:normal"> Umberto Fedele, <a rel="nofollow" class="external text" href="https://web.archive.org/web/20120717025821/http://leo.astronomy.cz/mizar/fedele.htm"><span style="font-style:italic;">Le prime osservazioni di stelle doppie</span></a>, su <span style="font-style:italic;">leo.astronomy.cz</span>. <small>URL consultato il 28 dicembre 2012</small> <small>(archiviato dall'<abbr title="http&#58;//leo.astronomy.cz/mizar/fedele.htm">url originale</abbr> il 17 luglio 2012)</small>.</cite></span> </li> <li id="cite_note-dick-5"><a href="#cite_ref-dick_5-0"><b>^</b></a> <span class="reference-text"><cite class="citation libro" style="font-style:normal"> J. Steven Dick, <a rel="nofollow" class="external text" href="https://books.google.com/books?id=IT8oAAAAQBAJ&amp;pg=PA117"><span style="font-style:italic;">Discovery and Classification in Astronomy: Controversy and Consensus</span></a>, Cambridge University Press, 9 settembre 2013, p.&#160;117–, <a href="/wiki/ISBN" title="ISBN">ISBN</a>&#160;<a href="/wiki/Speciale:RicercaISBN/978-1-107-03361-0" title="Speciale:RicercaISBN/978-1-107-03361-0">978-1-107-03361-0</a>.</cite></span> </li> <li id="cite_note-Fixed-6"><span class="mw-cite-backlink"><b>^</b> <sup><i><a href="#cite_ref-Fixed_6-0">a</a></i></sup> <sup><i><a href="#cite_ref-Fixed_6-1">b</a></i></sup></span> <span class="reference-text"><a rel="nofollow" class="external text" href="http://www.constellationsofwords.com/stars/Mizar.html">Mizar (The Fixed Stars)</a></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=Mizar&amp;veaction=edit&amp;section=5" 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=Mizar&amp;action=edit&amp;section=5" title="Edit section&#39;s source code: Voci correlate"><span>modifica wikitesto</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><a href="/wiki/Alcor" title="Alcor">Alcor</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=Mizar&amp;veaction=edit&amp;section=6" 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=Mizar&amp;action=edit&amp;section=6" title="Edit section&#39;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:Mizar"><a class="external text" href="https://commons.wikimedia.org/wiki/Category:Mizar?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/20px-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/40px-Commons-logo.svg.png 1.5x" 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:Mizar?uselang=it">Mizar</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=Mizar&amp;veaction=edit&amp;section=7" 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=Mizar&amp;action=edit&amp;section=7" title="Edit section&#39;s source code: Collegamenti esterni"><span>modifica wikitesto</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><cite class="citation web" style="font-style:normal">(<span style="font-weight:bolder; font-size:80%"><abbr title="inglese">EN</abbr></span>) <a rel="nofollow" class="external text" href="https://web.archive.org/web/20080307111656/http://leo.astronomy.cz/mizar/article.htm"><span style="font-style:italic;">Articolo approfondito su Mizar</span></a>, su <span style="font-style:italic;">leo.astronomy.cz</span>. <small>URL consultato il 10 settembre 2006</small> <small>(archiviato dall'<abbr title="http&#58;//leo.astronomy.cz/mizar/article.htm">url originale</abbr> il 7 marzo 2008)</small>.</cite></li> <li><cite class="citation web" style="font-style:normal">(<span style="font-weight:bolder; font-size:80%"><abbr title="inglese">EN</abbr></span>) Jim Kaler, <a rel="nofollow" class="external text" href="http://stars.astro.illinois.edu/sow/mizar.html"><span style="font-style:italic;">MIZAR (Zeta Ursae Majoris)</span></a>, su <span style="font-style:italic;">stars.astro.illinois.edu</span>.</cite></li></ul> <style data-mw-deduplicate="TemplateStyles:r140554510">.mw-parser-output .CdA{border:1px solid #aaa;width:100%;margin:auto;font-size:90%;padding:2px}.mw-parser-output .CdA th{background-color:#f2f2f2;font-weight:bold;width:20%}@media screen{html.skin-theme-clientpref-night .mw-parser-output .CdA{border-color:#54595D}html.skin-theme-clientpref-night .mw-parser-output .CdA th{background-color:#202122}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .CdA{border-color:#54595D}html.skin-theme-clientpref-os .mw-parser-output .CdA th{background-color:#202122}}</style><table class="CdA"><tbody><tr><th><a href="/wiki/Aiuto:Controllo_di_autorit%C3%A0" title="Aiuto:Controllo di autorità">Controllo di autorità</a></th><td><a href="/wiki/Biblioteca_nazionale_di_Israele" title="Biblioteca nazionale di Israele">J9U</a> <span class="uid">(<span style="font-weight:bolder; font-size:80%"><abbr title="inglese">EN</abbr>,&#160;<abbr title="ebraico">HE</abbr></span>)&#160;<a rel="nofollow" class="external text" href="https://www.nli.org.il/en/authorities/987007558906505171">987007558906505171</a></span></td></tr></tbody></table> <div class="noprint" style="width:100%; padding: 3px 0; display: flex; flex-wrap: wrap; row-gap: 4px; column-gap: 8px; box-sizing: border-box;"><div style="flex-grow: 1"><style data-mw-deduplicate="TemplateStyles:r140555418">.mw-parser-output .itwiki-template-occhiello{width:100%;line-height:25px;border:1px solid #CCF;background-color:#F0EEFF;box-sizing:border-box}.mw-parser-output .itwiki-template-occhiello-progetto{background-color:#FAFAFA}@media screen{html.skin-theme-clientpref-night .mw-parser-output .itwiki-template-occhiello{background-color:#202122;border-color:#54595D}html.skin-theme-clientpref-night .mw-parser-output .itwiki-template-occhiello-progetto{background-color:#282929}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .itwiki-template-occhiello{background-color:#202122;border-color:#54595D}html.skin-theme-clientpref-os .mw-parser-output .itwiki-template-occhiello-progetto{background-color:#282929}}</style><div class="itwiki-template-occhiello"><span class="noviewer" typeof="mw:File"><a href="/wiki/File:Astro_constel_task_force.svg" class="mw-file-description" title="Stelle"><img alt="&#160;" src="//upload.wikimedia.org/wikipedia/commons/thumb/6/66/Astro_constel_task_force.svg/40px-Astro_constel_task_force.svg.png" decoding="async" width="24" height="25" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/6/66/Astro_constel_task_force.svg/60px-Astro_constel_task_force.svg.png 2x" data-file-width="674" data-file-height="703" /></a></span>&#32;<b><a href="/wiki/Portale:Stelle" title="Portale:Stelle">Portale Stelle</a></b>&#58; accedi alle voci di Wikipedia che trattano di stelle e costellazioni</div></div></div> <!-- NewPP limit report Parsed by mw‐web.eqiad.canary‐65d4d76d9d‐w6dzh Cached time: 20250324151546 Cache expiry: 2592000 Reduced expiry: false Complications: [show‐toc] CPU time usage: 0.292 seconds Real time usage: 0.412 seconds Preprocessor visited node count: 3488/1000000 Post‐expand include size: 24817/2097152 bytes Template argument size: 2959/2097152 bytes Highest expansion depth: 14/100 Expensive parser function count: 2/500 Unstrip recursion depth: 0/20 Unstrip post‐expand size: 10155/5000000 bytes Lua time usage: 0.138/10.000 seconds Lua memory usage: 5356822/52428800 bytes Number of Wikibase entities loaded: 1/400 --> <!-- Transclusion expansion time report (%,ms,calls,template) 100.00% 345.139 1 -total 53.84% 185.808 1 Template:Corpo_celeste 47.91% 165.371 1 Template:Infobox 11.53% 39.810 3 Template:M 9.85% 34.003 1 Template:Nota_disambigua 9.09% 31.362 8 Template:Wikidata 7.58% 26.160 1 Template:Avviso_permanente 7.48% 25.804 1 Template:Portale 7.28% 25.127 1 Template:Immagine_sinottico 6.60% 22.778 1 Template:DOP --> <!-- Saved in parser cache with key itwiki:pcache:39692:|#|:idhash:canonical and timestamp 20250324151546 and revision id 142668323. 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