CINXE.COM

Anneau de Bishop — Wikipédia

<!DOCTYPE html> <html class="client-nojs vector-feature-language-in-header-enabled vector-feature-language-in-main-page-header-disabled vector-feature-sticky-header-disabled vector-feature-page-tools-pinned-disabled vector-feature-toc-pinned-clientpref-1 vector-feature-main-menu-pinned-disabled vector-feature-limited-width-clientpref-1 vector-feature-limited-width-content-enabled vector-feature-custom-font-size-clientpref-1 vector-feature-appearance-pinned-clientpref-1 vector-feature-night-mode-enabled skin-theme-clientpref-day vector-toc-available" lang="fr" dir="ltr"> <head> <meta charset="UTF-8"> <title>Anneau de Bishop — Wikipédia</title> <script>(function(){var className="client-js vector-feature-language-in-header-enabled vector-feature-language-in-main-page-header-disabled vector-feature-sticky-header-disabled vector-feature-page-tools-pinned-disabled vector-feature-toc-pinned-clientpref-1 vector-feature-main-menu-pinned-disabled vector-feature-limited-width-clientpref-1 vector-feature-limited-width-content-enabled vector-feature-custom-font-size-clientpref-1 vector-feature-appearance-pinned-clientpref-1 vector-feature-night-mode-enabled skin-theme-clientpref-day vector-toc-available";var cookie=document.cookie.match(/(?:^|; )frwikimwclientpreferences=([^;]+)/);if(cookie){cookie[1].split('%2C').forEach(function(pref){className=className.replace(new RegExp('(^| )'+pref.replace(/-clientpref-\w+$|[^\w-]+/g,'')+'-clientpref-\\w+( |$)'),'$1'+pref+'$2');});}document.documentElement.className=className;}());RLCONF={"wgBreakFrames":false,"wgSeparatorTransformTable":[",\t."," \t,"],"wgDigitTransformTable":["",""], "wgDefaultDateFormat":"dmy","wgMonthNames":["","janvier","février","mars","avril","mai","juin","juillet","août","septembre","octobre","novembre","décembre"],"wgRequestId":"7c9cef15-ffd1-4ed8-9138-e90c3923606e","wgCanonicalNamespace":"","wgCanonicalSpecialPageName":false,"wgNamespaceNumber":0,"wgPageName":"Anneau_de_Bishop","wgTitle":"Anneau de Bishop","wgCurRevisionId":220165452,"wgRevisionId":220165452,"wgArticleId":4704631,"wgIsArticle":true,"wgIsRedirect":false,"wgAction":"view","wgUserName":null,"wgUserGroups":["*"],"wgCategories":["Portail:Météorologie/Articles liés","Portail:Sciences de la Terre et de l'Univers/Articles liés","Portail:Sciences/Articles liés","Portail:Volcanisme/Articles liés","Portail:Géologie/Articles liés","Portail:Géographie/Articles liés","Portail:Optique/Articles liés","Portail:Physique/Articles liés","Phénomène atmosphérique optique","Théorie météorologique"],"wgPageViewLanguage":"fr","wgPageContentLanguage":"fr","wgPageContentModel": "wikitext","wgRelevantPageName":"Anneau_de_Bishop","wgRelevantArticleId":4704631,"wgIsProbablyEditable":true,"wgRelevantPageIsProbablyEditable":true,"wgRestrictionEdit":[],"wgRestrictionMove":[],"wgNoticeProject":"wikipedia","wgCiteReferencePreviewsActive":true,"wgMediaViewerOnClick":true,"wgMediaViewerEnabledByDefault":true,"wgPopupsFlags":0,"wgVisualEditor":{"pageLanguageCode":"fr","pageLanguageDir":"ltr","pageVariantFallbacks":"fr"},"wgMFDisplayWikibaseDescriptions":{"search":true,"watchlist":true,"tagline":true,"nearby":true},"wgWMESchemaEditAttemptStepOversample":false,"wgWMEPageLength":4000,"wgRelatedArticlesCompat":[],"wgCentralAuthMobileDomain":false,"wgEditSubmitButtonLabelPublish":true,"wgULSPosition":"interlanguage","wgULSisCompactLinksEnabled":false,"wgVector2022LanguageInHeader":true,"wgULSisLanguageSelectorEmpty":false,"wgWikibaseItemId":"Q128044","wgCheckUserClientHintsHeadersJsApi":["brands","architecture","bitness","fullVersionList","mobile","model","platform", "platformVersion"],"GEHomepageSuggestedEditsEnableTopics":true,"wgGETopicsMatchModeEnabled":false,"wgGEStructuredTaskRejectionReasonTextInputEnabled":false,"wgGELevelingUpEnabledForUser":false};RLSTATE={"ext.globalCssJs.user.styles":"ready","site.styles":"ready","user.styles":"ready","ext.globalCssJs.user":"ready","user":"ready","user.options":"loading","ext.cite.styles":"ready","skins.vector.search.codex.styles":"ready","skins.vector.styles":"ready","skins.vector.icons":"ready","ext.wikimediamessages.styles":"ready","ext.visualEditor.desktopArticleTarget.noscript":"ready","ext.uls.interlanguage":"ready","wikibase.client.init":"ready","ext.wikimediaBadges":"ready"};RLPAGEMODULES=["ext.cite.ux-enhancements","mediawiki.page.media","site","mediawiki.page.ready","mediawiki.toc","skins.vector.js","ext.centralNotice.geoIP","ext.centralNotice.startUp","ext.gadget.ArchiveLinks","ext.gadget.Wdsearch","ext.urlShortener.toolbar","ext.centralauth.centralautologin","mmv.bootstrap","ext.popups", "ext.visualEditor.desktopArticleTarget.init","ext.visualEditor.targetLoader","ext.echo.centralauth","ext.eventLogging","ext.wikimediaEvents","ext.navigationTiming","ext.uls.interface","ext.cx.eventlogging.campaigns","ext.cx.uls.quick.actions","wikibase.client.vector-2022","ext.checkUser.clientHints","ext.growthExperiments.SuggestedEditSession","wikibase.sidebar.tracking"];</script> <script>(RLQ=window.RLQ||[]).push(function(){mw.loader.impl(function(){return["user.options@12s5i",function($,jQuery,require,module){mw.user.tokens.set({"patrolToken":"+\\","watchToken":"+\\","csrfToken":"+\\"}); }];});});</script> <link rel="stylesheet" href="/w/load.php?lang=fr&amp;modules=ext.cite.styles%7Cext.uls.interlanguage%7Cext.visualEditor.desktopArticleTarget.noscript%7Cext.wikimediaBadges%7Cext.wikimediamessages.styles%7Cskins.vector.icons%2Cstyles%7Cskins.vector.search.codex.styles%7Cwikibase.client.init&amp;only=styles&amp;skin=vector-2022"> <script async="" src="/w/load.php?lang=fr&amp;modules=startup&amp;only=scripts&amp;raw=1&amp;skin=vector-2022"></script> <meta name="ResourceLoaderDynamicStyles" content=""> <link rel="stylesheet" href="/w/load.php?lang=fr&amp;modules=site.styles&amp;only=styles&amp;skin=vector-2022"> <meta name="generator" content="MediaWiki 1.44.0-wmf.4"> <meta name="referrer" content="origin"> <meta name="referrer" content="origin-when-cross-origin"> <meta name="robots" content="max-image-preview:standard"> <meta name="format-detection" content="telephone=no"> <meta property="og:image" content="https://upload.wikimedia.org/wikipedia/commons/f/f5/BishopRing18mei2010_18_sml.jpg"> <meta property="og:image:width" content="1200"> <meta property="og:image:height" content="773"> <meta property="og:image" content="https://upload.wikimedia.org/wikipedia/commons/thumb/f/f5/BishopRing18mei2010_18_sml.jpg/800px-BishopRing18mei2010_18_sml.jpg"> <meta property="og:image:width" content="800"> <meta property="og:image:height" content="515"> <meta property="og:image" content="https://upload.wikimedia.org/wikipedia/commons/thumb/f/f5/BishopRing18mei2010_18_sml.jpg/640px-BishopRing18mei2010_18_sml.jpg"> <meta property="og:image:width" content="640"> <meta property="og:image:height" content="412"> <meta name="viewport" content="width=1120"> <meta property="og:title" content="Anneau de Bishop — Wikipédia"> <meta property="og:type" content="website"> <link rel="preconnect" href="//upload.wikimedia.org"> <link rel="alternate" media="only screen and (max-width: 640px)" href="//fr.m.wikipedia.org/wiki/Anneau_de_Bishop"> <link rel="alternate" type="application/x-wiki" title="Modifier" href="/w/index.php?title=Anneau_de_Bishop&amp;action=edit"> <link rel="apple-touch-icon" href="/static/apple-touch/wikipedia.png"> <link rel="icon" href="/static/favicon/wikipedia.ico"> <link rel="search" type="application/opensearchdescription+xml" href="/w/rest.php/v1/search" title="Wikipédia (fr)"> <link rel="EditURI" type="application/rsd+xml" href="//fr.wikipedia.org/w/api.php?action=rsd"> <link rel="canonical" href="https://fr.wikipedia.org/wiki/Anneau_de_Bishop"> <link rel="license" href="https://creativecommons.org/licenses/by-sa/4.0/deed.fr"> <link rel="alternate" type="application/atom+xml" title="Flux Atom de Wikipédia" href="/w/index.php?title=Sp%C3%A9cial:Modifications_r%C3%A9centes&amp;feed=atom"> <link rel="dns-prefetch" href="//meta.wikimedia.org" /> <link rel="dns-prefetch" href="//login.wikimedia.org"> </head> <body class="skin--responsive skin-vector skin-vector-search-vue mediawiki ltr sitedir-ltr mw-hide-empty-elt ns-0 ns-subject mw-editable page-Anneau_de_Bishop rootpage-Anneau_de_Bishop skin-vector-2022 action-view"><a class="mw-jump-link" href="#bodyContent">Aller au contenu</a> <div class="vector-header-container"> <header class="vector-header mw-header"> <div class="vector-header-start"> <nav class="vector-main-menu-landmark" aria-label="Site"> <div id="vector-main-menu-dropdown" class="vector-dropdown vector-main-menu-dropdown vector-button-flush-left vector-button-flush-right" > <input type="checkbox" id="vector-main-menu-dropdown-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-main-menu-dropdown" class="vector-dropdown-checkbox " aria-label="Menu principal" > <label id="vector-main-menu-dropdown-label" for="vector-main-menu-dropdown-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only " aria-hidden="true" ><span class="vector-icon mw-ui-icon-menu mw-ui-icon-wikimedia-menu"></span> <span class="vector-dropdown-label-text">Menu principal</span> </label> <div class="vector-dropdown-content"> <div id="vector-main-menu-unpinned-container" class="vector-unpinned-container"> <div id="vector-main-menu" class="vector-main-menu vector-pinnable-element"> <div class="vector-pinnable-header vector-main-menu-pinnable-header vector-pinnable-header-unpinned" data-feature-name="main-menu-pinned" data-pinnable-element-id="vector-main-menu" data-pinned-container-id="vector-main-menu-pinned-container" data-unpinned-container-id="vector-main-menu-unpinned-container" > <div class="vector-pinnable-header-label">Menu principal</div> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-main-menu.pin">déplacer vers la barre latérale</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-main-menu.unpin">masquer</button> </div> <div id="p-navigation" class="vector-menu mw-portlet mw-portlet-navigation" > <div class="vector-menu-heading"> Navigation </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="n-mainpage-description" class="mw-list-item"><a href="/wiki/Wikip%C3%A9dia:Accueil_principal" title="Accueil général [z]" accesskey="z"><span>Accueil</span></a></li><li id="n-thema" class="mw-list-item"><a href="/wiki/Portail:Accueil"><span>Portails thématiques</span></a></li><li id="n-randompage" class="mw-list-item"><a href="/wiki/Sp%C3%A9cial:Page_au_hasard" title="Affiche un article au hasard [x]" accesskey="x"><span>Article au hasard</span></a></li><li id="n-contact" class="mw-list-item"><a href="/wiki/Wikip%C3%A9dia:Contact"><span>Contact</span></a></li> </ul> </div> </div> <div id="p-Contribuer" class="vector-menu mw-portlet mw-portlet-Contribuer" > <div class="vector-menu-heading"> Contribuer </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="n-aboutwp" class="mw-list-item"><a href="/wiki/Aide:D%C3%A9buter"><span>Débuter sur Wikipédia</span></a></li><li id="n-help" class="mw-list-item"><a href="/wiki/Aide:Accueil" title="Accès à l’aide"><span>Aide</span></a></li><li id="n-portal" class="mw-list-item"><a href="/wiki/Wikip%C3%A9dia:Accueil_de_la_communaut%C3%A9" title="À propos du projet, ce que vous pouvez faire, où trouver les informations"><span>Communauté</span></a></li><li id="n-recentchanges" class="mw-list-item"><a href="/wiki/Sp%C3%A9cial:Modifications_r%C3%A9centes" title="Liste des modifications récentes sur le wiki [r]" accesskey="r"><span>Modifications récentes</span></a></li> </ul> </div> </div> </div> </div> </div> </div> </nav> <a href="/wiki/Wikip%C3%A9dia:Accueil_principal" class="mw-logo"> <img class="mw-logo-icon" src="/static/images/icons/wikipedia.png" alt="" aria-hidden="true" height="50" width="50"> <span class="mw-logo-container skin-invert"> <img class="mw-logo-wordmark" alt="Wikipédia" src="/static/images/mobile/copyright/wikipedia-wordmark-fr.svg" style="width: 7.4375em; height: 1.125em;"> <img class="mw-logo-tagline" alt="l&#039;encyclopédie libre" src="/static/images/mobile/copyright/wikipedia-tagline-fr.svg" width="120" height="13" style="width: 7.5em; height: 0.8125em;"> </span> </a> </div> <div class="vector-header-end"> <div id="p-search" role="search" class="vector-search-box-vue vector-search-box-collapses vector-search-box-show-thumbnail vector-search-box-auto-expand-width vector-search-box"> <a href="/wiki/Sp%C3%A9cial:Recherche" class="cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only search-toggle" title="Rechercher sur Wikipédia [f]" accesskey="f"><span class="vector-icon mw-ui-icon-search mw-ui-icon-wikimedia-search"></span> <span>Rechercher</span> </a> <div class="vector-typeahead-search-container"> <div class="cdx-typeahead-search cdx-typeahead-search--show-thumbnail cdx-typeahead-search--auto-expand-width"> <form action="/w/index.php" id="searchform" class="cdx-search-input cdx-search-input--has-end-button"> <div id="simpleSearch" class="cdx-search-input__input-wrapper" data-search-loc="header-moved"> <div class="cdx-text-input cdx-text-input--has-start-icon"> <input class="cdx-text-input__input" type="search" name="search" placeholder="Rechercher sur Wikipédia" aria-label="Rechercher sur Wikipédia" autocapitalize="sentences" title="Rechercher sur Wikipédia [f]" accesskey="f" id="searchInput" > <span class="cdx-text-input__icon cdx-text-input__start-icon"></span> </div> <input type="hidden" name="title" value="Spécial:Recherche"> </div> <button class="cdx-button cdx-search-input__end-button">Rechercher</button> </form> </div> </div> </div> <nav class="vector-user-links vector-user-links-wide" aria-label="Outils personnels"> <div class="vector-user-links-main"> <div id="p-vector-user-menu-preferences" class="vector-menu mw-portlet emptyPortlet" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> </ul> </div> </div> <div id="p-vector-user-menu-userpage" class="vector-menu mw-portlet emptyPortlet" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> </ul> </div> </div> <nav class="vector-appearance-landmark" aria-label="Apparence"> <div id="vector-appearance-dropdown" class="vector-dropdown " title="Modifier l&#039;apparence de la taille, de la largeur et de la couleur de la police de la page" > <input type="checkbox" id="vector-appearance-dropdown-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-appearance-dropdown" class="vector-dropdown-checkbox " aria-label="Apparence" > <label id="vector-appearance-dropdown-label" for="vector-appearance-dropdown-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only " aria-hidden="true" ><span class="vector-icon mw-ui-icon-appearance mw-ui-icon-wikimedia-appearance"></span> <span class="vector-dropdown-label-text">Apparence</span> </label> <div class="vector-dropdown-content"> <div id="vector-appearance-unpinned-container" class="vector-unpinned-container"> </div> </div> </div> </nav> <div id="p-vector-user-menu-notifications" class="vector-menu mw-portlet emptyPortlet" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> </ul> </div> </div> <div id="p-vector-user-menu-overflow" class="vector-menu mw-portlet" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="pt-sitesupport-2" class="user-links-collapsible-item mw-list-item user-links-collapsible-item"><a data-mw="interface" href="//donate.wikimedia.org/wiki/Special:FundraiserRedirector?utm_source=donate&amp;utm_medium=sidebar&amp;utm_campaign=C13_fr.wikipedia.org&amp;uselang=fr" class=""><span>Faire un don</span></a> </li> <li id="pt-createaccount-2" class="user-links-collapsible-item mw-list-item user-links-collapsible-item"><a data-mw="interface" href="/w/index.php?title=Sp%C3%A9cial:Cr%C3%A9er_un_compte&amp;returnto=Anneau+de+Bishop" title="Nous vous encourageons à créer un compte utilisateur et vous connecter ; ce n’est cependant pas obligatoire." class=""><span>Créer un compte</span></a> </li> <li id="pt-login-2" class="user-links-collapsible-item mw-list-item user-links-collapsible-item"><a data-mw="interface" href="/w/index.php?title=Sp%C3%A9cial:Connexion&amp;returnto=Anneau+de+Bishop" title="Nous vous encourageons à vous connecter ; ce n’est cependant pas obligatoire. [o]" accesskey="o" class=""><span>Se connecter</span></a> </li> </ul> </div> </div> </div> <div id="vector-user-links-dropdown" class="vector-dropdown vector-user-menu vector-button-flush-right vector-user-menu-logged-out" title="Plus d’options" > <input type="checkbox" id="vector-user-links-dropdown-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-user-links-dropdown" class="vector-dropdown-checkbox " aria-label="Outils personnels" > <label id="vector-user-links-dropdown-label" for="vector-user-links-dropdown-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only " aria-hidden="true" ><span class="vector-icon mw-ui-icon-ellipsis mw-ui-icon-wikimedia-ellipsis"></span> <span class="vector-dropdown-label-text">Outils personnels</span> </label> <div class="vector-dropdown-content"> <div id="p-personal" class="vector-menu mw-portlet mw-portlet-personal user-links-collapsible-item" title="Menu utilisateur" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="pt-sitesupport" class="user-links-collapsible-item mw-list-item"><a href="//donate.wikimedia.org/wiki/Special:FundraiserRedirector?utm_source=donate&amp;utm_medium=sidebar&amp;utm_campaign=C13_fr.wikipedia.org&amp;uselang=fr"><span>Faire un don</span></a></li><li id="pt-createaccount" class="user-links-collapsible-item mw-list-item"><a href="/w/index.php?title=Sp%C3%A9cial:Cr%C3%A9er_un_compte&amp;returnto=Anneau+de+Bishop" title="Nous vous encourageons à créer un compte utilisateur et vous connecter ; ce n’est cependant pas obligatoire."><span class="vector-icon mw-ui-icon-userAdd mw-ui-icon-wikimedia-userAdd"></span> <span>Créer un compte</span></a></li><li id="pt-login" class="user-links-collapsible-item mw-list-item"><a href="/w/index.php?title=Sp%C3%A9cial:Connexion&amp;returnto=Anneau+de+Bishop" title="Nous vous encourageons à vous connecter ; ce n’est cependant pas obligatoire. [o]" accesskey="o"><span class="vector-icon mw-ui-icon-logIn mw-ui-icon-wikimedia-logIn"></span> <span>Se connecter</span></a></li> </ul> </div> </div> <div id="p-user-menu-anon-editor" class="vector-menu mw-portlet mw-portlet-user-menu-anon-editor" > <div class="vector-menu-heading"> Pages pour les contributeurs déconnectés <a href="/wiki/Aide:Premiers_pas" aria-label="En savoir plus sur la contribution"><span>en savoir plus</span></a> </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="pt-anoncontribs" class="mw-list-item"><a href="/wiki/Sp%C3%A9cial:Mes_contributions" title="Une liste des modifications effectuées depuis cette adresse IP [y]" accesskey="y"><span>Contributions</span></a></li><li id="pt-anontalk" class="mw-list-item"><a href="/wiki/Sp%C3%A9cial:Mes_discussions" title="La page de discussion pour les contributions depuis cette adresse IP [n]" accesskey="n"><span>Discussion</span></a></li> </ul> </div> </div> </div> </div> </nav> </div> </header> </div> <div class="mw-page-container"> <div class="mw-page-container-inner"> <div class="vector-sitenotice-container"> <div id="siteNotice"><!-- CentralNotice --></div> </div> <div class="vector-column-start"> <div class="vector-main-menu-container"> <div id="mw-navigation"> <nav id="mw-panel" class="vector-main-menu-landmark" aria-label="Site"> <div id="vector-main-menu-pinned-container" class="vector-pinned-container"> </div> </nav> </div> </div> <div class="vector-sticky-pinned-container"> <nav id="mw-panel-toc" aria-label="Sommaire" data-event-name="ui.sidebar-toc" class="mw-table-of-contents-container vector-toc-landmark"> <div id="vector-toc-pinned-container" class="vector-pinned-container"> <div id="vector-toc" class="vector-toc vector-pinnable-element"> <div class="vector-pinnable-header vector-toc-pinnable-header vector-pinnable-header-pinned" data-feature-name="toc-pinned" data-pinnable-element-id="vector-toc" > <h2 class="vector-pinnable-header-label">Sommaire</h2> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-toc.pin">déplacer vers la barre latérale</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-toc.unpin">masquer</button> </div> <ul class="vector-toc-contents" id="mw-panel-toc-list"> <li id="toc-mw-content-text" class="vector-toc-list-item vector-toc-level-1"> <a href="#" class="vector-toc-link"> <div class="vector-toc-text">Début</div> </a> </li> <li id="toc-Historique" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Historique"> <div class="vector-toc-text"> <span class="vector-toc-numb">1</span> <span>Historique</span> </div> </a> <ul id="toc-Historique-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Description_et_cause" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Description_et_cause"> <div class="vector-toc-text"> <span class="vector-toc-numb">2</span> <span>Description et cause</span> </div> </a> <ul id="toc-Description_et_cause-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Notes_et_références" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Notes_et_références"> <div class="vector-toc-text"> <span class="vector-toc-numb">3</span> <span>Notes et références</span> </div> </a> <ul id="toc-Notes_et_références-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Voir_aussi" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Voir_aussi"> <div class="vector-toc-text"> <span class="vector-toc-numb">4</span> <span>Voir aussi</span> </div> </a> <button aria-controls="toc-Voir_aussi-sublist" class="cdx-button cdx-button--weight-quiet cdx-button--icon-only vector-toc-toggle"> <span class="vector-icon mw-ui-icon-wikimedia-expand"></span> <span>Afficher / masquer la sous-section Voir aussi</span> </button> <ul id="toc-Voir_aussi-sublist" class="vector-toc-list"> <li id="toc-Lien_externe" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Lien_externe"> <div class="vector-toc-text"> <span class="vector-toc-numb">4.1</span> <span>Lien externe</span> </div> </a> <ul id="toc-Lien_externe-sublist" class="vector-toc-list"> </ul> </li> </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="Sommaire" 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="Basculer la table des matières" > <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">Basculer la table des matières</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">Anneau de Bishop</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="Aller à un article dans une autre langue. Disponible en 15 langues." > <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-15" 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">15 langues</span> </label> <div class="vector-dropdown-content"> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="interlanguage-link interwiki-cs mw-list-item"><a href="https://cs.wikipedia.org/wiki/Bishop%C5%AFv_kruh" title="Bishopův kruh – tchèque" lang="cs" hreflang="cs" data-title="Bishopův kruh" data-language-autonym="Čeština" data-language-local-name="tchèque" class="interlanguage-link-target"><span>Čeština</span></a></li><li class="interlanguage-link interwiki-el mw-list-item"><a href="https://el.wikipedia.org/wiki/%CE%9A%CF%8D%CE%BA%CE%BB%CE%BF%CF%82_%CF%84%CE%BF%CF%85_%CE%9C%CF%80%CE%AF%CF%83%CE%BF%CF%80" title="Κύκλος του Μπίσοπ – grec" lang="el" hreflang="el" data-title="Κύκλος του Μπίσοπ" data-language-autonym="Ελληνικά" data-language-local-name="grec" 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/Bishop%27s_Ring" title="Bishop&#039;s Ring – anglais" lang="en" hreflang="en" data-title="Bishop&#039;s Ring" data-language-autonym="English" data-language-local-name="anglais" 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/Anillo_de_Bishop" title="Anillo de Bishop – espagnol" lang="es" hreflang="es" data-title="Anillo de Bishop" data-language-autonym="Español" data-language-local-name="espagnol" 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/%D8%AD%D9%84%D9%82%D9%87_%D8%A7%D8%B3%D9%82%D9%81" title="حلقه اسقف – persan" lang="fa" hreflang="fa" data-title="حلقه اسقف" data-language-autonym="فارسی" data-language-local-name="persan" 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/Bishopin_rengas" title="Bishopin rengas – finnois" lang="fi" hreflang="fi" data-title="Bishopin rengas" data-language-autonym="Suomi" data-language-local-name="finnois" class="interlanguage-link-target"><span>Suomi</span></a></li><li class="interlanguage-link interwiki-hr mw-list-item"><a href="https://hr.wikipedia.org/wiki/Bishopov_prsten" title="Bishopov prsten – croate" lang="hr" hreflang="hr" data-title="Bishopov prsten" data-language-autonym="Hrvatski" data-language-local-name="croate" 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/%D4%B2%D5%AB%D5%B7%D5%B8%D5%BA%D5%AB_%D6%85%D5%B2%D5%A1%D5%AF" title="Բիշոպի օղակ – arménien" lang="hy" hreflang="hy" data-title="Բիշոպի օղակ" data-language-autonym="Հայերեն" data-language-local-name="arménien" 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%93%E3%82%B7%E3%83%A7%E3%83%83%E3%83%97%E7%92%B0" title="ビショップ環 – japonais" lang="ja" hreflang="ja" data-title="ビショップ環" data-language-autonym="日本語" data-language-local-name="japonais" class="interlanguage-link-target"><span>日本語</span></a></li><li class="interlanguage-link interwiki-ko mw-list-item"><a href="https://ko.wikipedia.org/wiki/%EB%B9%84%EC%88%8D_%EA%B3%A0%EB%A6%AC" title="비숍 고리 – coréen" lang="ko" hreflang="ko" data-title="비숍 고리" data-language-autonym="한국어" data-language-local-name="coréen" class="interlanguage-link-target"><span>한국어</span></a></li><li class="interlanguage-link interwiki-nl mw-list-item"><a href="https://nl.wikipedia.org/wiki/Ring_van_Bishop" title="Ring van Bishop – néerlandais" lang="nl" hreflang="nl" data-title="Ring van Bishop" data-language-autonym="Nederlands" data-language-local-name="néerlandais" class="interlanguage-link-target"><span>Nederlands</span></a></li><li class="interlanguage-link interwiki-pl mw-list-item"><a href="https://pl.wikipedia.org/wiki/Pier%C5%9Bcie%C5%84_Bishopa" title="Pierścień Bishopa – polonais" lang="pl" hreflang="pl" data-title="Pierścień Bishopa" data-language-autonym="Polski" data-language-local-name="polonais" class="interlanguage-link-target"><span>Polski</span></a></li><li class="interlanguage-link interwiki-sk mw-list-item"><a href="https://sk.wikipedia.org/wiki/Bishopov_prstenec" title="Bishopov prstenec – slovaque" lang="sk" hreflang="sk" data-title="Bishopov prstenec" data-language-autonym="Slovenčina" data-language-local-name="slovaque" class="interlanguage-link-target"><span>Slovenčina</span></a></li><li class="interlanguage-link interwiki-sv mw-list-item"><a href="https://sv.wikipedia.org/wiki/Bishops_ring" title="Bishops ring – suédois" lang="sv" hreflang="sv" data-title="Bishops ring" data-language-autonym="Svenska" data-language-local-name="suédois" class="interlanguage-link-target"><span>Svenska</span></a></li><li class="interlanguage-link interwiki-vi mw-list-item"><a href="https://vi.wikipedia.org/wiki/V%C3%A0nh_%C4%91ai_Gi%C3%A1m_m%E1%BB%A5c" title="Vành đai Giám mục – vietnamien" lang="vi" hreflang="vi" data-title="Vành đai Giám mục" data-language-autonym="Tiếng Việt" data-language-local-name="vietnamien" class="interlanguage-link-target"><span>Tiếng Việt</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/Q128044#sitelinks-wikipedia" title="Modifier les liens interlangues" class="wbc-editpage">Modifier les liens</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="Espaces de noms"> <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/Anneau_de_Bishop" title="Voir le contenu de la page [c]" accesskey="c"><span>Article</span></a></li><li id="ca-talk" class="vector-tab-noicon mw-list-item"><a href="/wiki/Discussion:Anneau_de_Bishop" rel="discussion" title="Discussion au sujet de cette page de contenu [t]" accesskey="t"><span>Discussion</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="Modifier la variante de langue" > <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">français</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="Affichages"> <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/Anneau_de_Bishop"><span>Lire</span></a></li><li id="ca-ve-edit" class="vector-tab-noicon mw-list-item"><a href="/w/index.php?title=Anneau_de_Bishop&amp;veaction=edit" title="Modifier cette page [v]" accesskey="v"><span>Modifier</span></a></li><li id="ca-edit" class="collapsible vector-tab-noicon mw-list-item"><a href="/w/index.php?title=Anneau_de_Bishop&amp;action=edit" title="Modifier le wikicode de cette page [e]" accesskey="e"><span>Modifier le code</span></a></li><li id="ca-history" class="vector-tab-noicon mw-list-item"><a href="/w/index.php?title=Anneau_de_Bishop&amp;action=history" title="Historique des versions de cette page [h]" accesskey="h"><span>Voir l’historique</span></a></li> </ul> </div> </div> </nav> <nav class="vector-page-tools-landmark" aria-label="Outils de la page"> <div id="vector-page-tools-dropdown" class="vector-dropdown vector-page-tools-dropdown" > <input type="checkbox" id="vector-page-tools-dropdown-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-page-tools-dropdown" class="vector-dropdown-checkbox " aria-label="Outils" > <label id="vector-page-tools-dropdown-label" for="vector-page-tools-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">Outils</span> </label> <div class="vector-dropdown-content"> <div id="vector-page-tools-unpinned-container" class="vector-unpinned-container"> <div id="vector-page-tools" class="vector-page-tools vector-pinnable-element"> <div class="vector-pinnable-header vector-page-tools-pinnable-header vector-pinnable-header-unpinned" data-feature-name="page-tools-pinned" data-pinnable-element-id="vector-page-tools" data-pinned-container-id="vector-page-tools-pinned-container" data-unpinned-container-id="vector-page-tools-unpinned-container" > <div class="vector-pinnable-header-label">Outils</div> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-page-tools.pin">déplacer vers la barre latérale</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-page-tools.unpin">masquer</button> </div> <div id="p-cactions" class="vector-menu mw-portlet mw-portlet-cactions emptyPortlet vector-has-collapsible-items" title="Plus d’options" > <div class="vector-menu-heading"> Actions </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/Anneau_de_Bishop"><span>Lire</span></a></li><li id="ca-more-ve-edit" class="vector-more-collapsible-item mw-list-item"><a href="/w/index.php?title=Anneau_de_Bishop&amp;veaction=edit" title="Modifier cette page [v]" accesskey="v"><span>Modifier</span></a></li><li id="ca-more-edit" class="collapsible vector-more-collapsible-item mw-list-item"><a href="/w/index.php?title=Anneau_de_Bishop&amp;action=edit" title="Modifier le wikicode de cette page [e]" accesskey="e"><span>Modifier le code</span></a></li><li id="ca-more-history" class="vector-more-collapsible-item mw-list-item"><a href="/w/index.php?title=Anneau_de_Bishop&amp;action=history"><span>Voir l’historique</span></a></li> </ul> </div> </div> <div id="p-tb" class="vector-menu mw-portlet mw-portlet-tb" > <div class="vector-menu-heading"> Général </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="t-whatlinkshere" class="mw-list-item"><a href="/wiki/Sp%C3%A9cial:Pages_li%C3%A9es/Anneau_de_Bishop" title="Liste des pages liées qui pointent sur celle-ci [j]" accesskey="j"><span>Pages liées</span></a></li><li id="t-recentchangeslinked" class="mw-list-item"><a href="/wiki/Sp%C3%A9cial:Suivi_des_liens/Anneau_de_Bishop" rel="nofollow" title="Liste des modifications récentes des pages appelées par celle-ci [k]" accesskey="k"><span>Suivi des pages liées</span></a></li><li id="t-upload" class="mw-list-item"><a href="/wiki/Aide:Importer_un_fichier" title="Téléverser des fichiers [u]" accesskey="u"><span>Téléverser un fichier</span></a></li><li id="t-specialpages" class="mw-list-item"><a href="/wiki/Sp%C3%A9cial:Pages_sp%C3%A9ciales" title="Liste de toutes les pages spéciales [q]" accesskey="q"><span>Pages spéciales</span></a></li><li id="t-permalink" class="mw-list-item"><a href="/w/index.php?title=Anneau_de_Bishop&amp;oldid=220165452" title="Adresse permanente de cette version de cette page"><span>Lien permanent</span></a></li><li id="t-info" class="mw-list-item"><a href="/w/index.php?title=Anneau_de_Bishop&amp;action=info" title="Davantage d’informations sur cette page"><span>Informations sur la page</span></a></li><li id="t-cite" class="mw-list-item"><a href="/w/index.php?title=Sp%C3%A9cial:Citer&amp;page=Anneau_de_Bishop&amp;id=220165452&amp;wpFormIdentifier=titleform" title="Informations sur la manière de citer cette page"><span>Citer cette page</span></a></li><li id="t-urlshortener" class="mw-list-item"><a href="/w/index.php?title=Sp%C3%A9cial:UrlShortener&amp;url=https%3A%2F%2Ffr.wikipedia.org%2Fwiki%2FAnneau_de_Bishop"><span>Obtenir l'URL raccourcie</span></a></li><li id="t-urlshortener-qrcode" class="mw-list-item"><a href="/w/index.php?title=Sp%C3%A9cial:QrCode&amp;url=https%3A%2F%2Ffr.wikipedia.org%2Fwiki%2FAnneau_de_Bishop"><span>Télécharger le code 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"> Imprimer / exporter </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=Sp%C3%A9cial:Livre&amp;bookcmd=book_creator&amp;referer=Anneau+de+Bishop"><span>Créer un livre</span></a></li><li id="coll-download-as-rl" class="mw-list-item"><a href="/w/index.php?title=Sp%C3%A9cial:DownloadAsPdf&amp;page=Anneau_de_Bishop&amp;action=show-download-screen"><span>Télécharger comme PDF</span></a></li><li id="t-print" class="mw-list-item"><a href="/w/index.php?title=Anneau_de_Bishop&amp;printable=yes" title="Version imprimable de cette page [p]" accesskey="p"><span>Version imprimable</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"> Dans d’autres projets </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="t-wikibase" class="wb-otherproject-link wb-otherproject-wikibase-dataitem mw-list-item"><a href="https://www.wikidata.org/wiki/Special:EntityPage/Q128044" title="Lien vers l’élément dans le dépôt de données connecté [g]" accesskey="g"><span>Élément 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="Outils de la page"> <div id="vector-page-tools-pinned-container" class="vector-pinned-container"> </div> </nav> <nav class="vector-appearance-landmark" aria-label="Apparence"> <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">Apparence</div> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-appearance.pin">déplacer vers la barre latérale</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-appearance.unpin">masquer</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> <div id="siteSub" class="noprint">Un article de Wikipédia, l&#039;encyclopédie libre.</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="fr" dir="ltr"><div class="bandeau-container metadata homonymie hatnote"><div class="bandeau-cell bandeau-icone" style="display:table-cell;padding-right:0.5em"><span class="noviewer" typeof="mw:File"><a href="/wiki/Aide:Homonymie" title="Aide:Homonymie"><img alt="Page d’aide sur l’homonymie" src="//upload.wikimedia.org/wikipedia/commons/thumb/a/a9/Logo_disambig.svg/20px-Logo_disambig.svg.png" decoding="async" width="20" height="15" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/a/a9/Logo_disambig.svg/30px-Logo_disambig.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/a/a9/Logo_disambig.svg/40px-Logo_disambig.svg.png 2x" data-file-width="512" data-file-height="375" /></a></span></div><div class="bandeau-cell" style="display:table-cell;padding-right:0.5em"> <p>Pour les articles homonymes, voir <a href="/wiki/Bishop" class="mw-disambig" title="Bishop">Bishop</a>. </p> </div></div> <figure class="mw-default-size" typeof="mw:File/Thumb"><a href="/wiki/Fichier:BishopRing18mei2010_18_sml.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/f/f5/BishopRing18mei2010_18_sml.jpg/220px-BishopRing18mei2010_18_sml.jpg" decoding="async" width="220" height="142" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/f/f5/BishopRing18mei2010_18_sml.jpg/330px-BishopRing18mei2010_18_sml.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/f/f5/BishopRing18mei2010_18_sml.jpg/440px-BishopRing18mei2010_18_sml.jpg 2x" data-file-width="899" data-file-height="579" /></a><figcaption>Anneau de Bishop autour du soleil pendant l'éruption du volcan islandais <a href="/wiki/Eyjafjallaj%C3%B6kull" title="Eyjafjallajökull">Eyjafjallajökull</a>, photographié aux Pays-Bas le 18 mai 2010.</figcaption></figure> <p>Un <b>anneau de Bishop</b> est un cercle blanchâtre, d'un rayon d'environ <span title="0,383&#160;972 rad" style="cursor:help">22</span>&#160;degrés, centré sur le Soleil ou la Lune, présentant une légère teinte bleuâtre à l'intérieur et brun rougeâtre à l'extérieur. L'anneau observé autour de la Lune ne présente généralement qu'une frange rouge pâle. L'anneau de Bishop est dû à la diffraction de la lumière par de fines poussières volcaniques<sup id="cite_ref-OMM_1-0" class="reference"><a href="#cite_note-OMM-1"><span class="cite_crochet">[</span>1<span class="cite_crochet">]</span></a></sup><sup class="reference cite_virgule">,</sup><sup id="cite_ref-Villeneuve_2-0" class="reference"><a href="#cite_note-Villeneuve-2"><span class="cite_crochet">[</span>2<span class="cite_crochet">]</span></a></sup>. La première observation historique de ce phénomène est due au révérend Sereno Bishop à <a href="/wiki/Honolulu" title="Honolulu">Honolulu</a>, <a href="/wiki/Hawa%C3%AF" title="Hawaï">Hawaï</a>, en 1883 lors de l'éruption du volcan <a href="/wiki/Krakatoa" title="Krakatoa">Krakatoa</a>. </p> <meta property="mw:PageProp/toc" /> <div class="mw-heading mw-heading2"><h2 id="Historique">Historique</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Anneau_de_Bishop&amp;veaction=edit&amp;section=1" title="Modifier la section : Historique" class="mw-editsection-visualeditor"><span>modifier</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Anneau_de_Bishop&amp;action=edit&amp;section=1" title="Modifier le code source de la section : Historique"><span>modifier le code</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Le <time class="nowrap" datetime="1883-08-23" data-sort-value="1883-08-23">23 août 1883</time>, le Krakatoa projette une énorme quantité de cendre et de gaz dans la haute atmosphère. Les aérosols de sulfate resteront dans la stratosphère de nombreuses années, causant des levers et couchers de Soleil spectaculaires. Le <a href="/wiki/Pasteur_protestant" class="mw-redirect" title="Pasteur protestant">révérend</a> Bishop publie en 1883 ses observations d'un faible <a href="/wiki/Halo_(ph%C3%A9nom%C3%A8ne_optique)" title="Halo (phénomène optique)">halo</a> autour du Soleil qu'il a vu le <time class="nowrap" datetime="09-05" data-sort-value="09-05">5 septembre</time> à Honolulu et le phénomène portera son nom en son honneur. </p><p><a href="/wiki/Albert_Riggenbach" title="Albert Riggenbach">Albert Riggenbach</a> étudiera le phénomène et l'expliquera dans sa thèse doctorale en 1886<sup id="cite_ref-3" class="reference"><a href="#cite_note-3"><span class="cite_crochet">[</span>3<span class="cite_crochet">]</span></a></sup>. Des anneaux de Bishop ont été observés ensuite avec les éruptions volcaniques, dont celle du mont <a href="/wiki/Pinatubo" title="Pinatubo">Pinatubo</a> aux <a href="/wiki/Philippines" title="Philippines">Philippines</a>. </p> <div class="mw-heading mw-heading2"><h2 id="Description_et_cause">Description et cause</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Anneau_de_Bishop&amp;veaction=edit&amp;section=2" title="Modifier la section : Description et cause" class="mw-editsection-visualeditor"><span>modifier</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Anneau_de_Bishop&amp;action=edit&amp;section=2" title="Modifier le code source de la section : Description et cause"><span>modifier le code</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>La zone à l'intérieur de l'anneau est plus brillante que le voisinage. La plupart des observations décrivent le cercle interne comme étant de couleur blanche ou bleuâtre. Le cercle externe est rouge ou rougeâtre. La séquence des couleurs porte à conclure qu'il s'agit d'un phénomène de <a href="/wiki/Diffraction" title="Diffraction">diffraction</a> parce que le rouge est à l'extérieur contrairement aux <a href="/wiki/Halo_(ph%C3%A9nom%C3%A8ne_optique)" title="Halo (phénomène optique)">halos</a> où il est à l'intérieur. Le rayon moyen est de <span title="0,383&#160;972 rad" style="cursor:help">22</span><abbr class="abbr" title="degré">°</abbr>, ce qui est plutôt grand et qui ne peut s'expliquer que par le passage de la lumière dans une zone contenant de très petites particules (environ 0,002&#160;<abbr class="abbr" title="millimètre">mm</abbr>). Il a été démontré que ce sont les sulfates contenus dans un <a href="/wiki/Panache_volcanique" title="Panache volcanique">nuage de cendres</a> volcaniques qui en sont la cause<sup id="cite_ref-4" class="reference"><a href="#cite_note-4"><span class="cite_crochet">[</span>4<span class="cite_crochet">]</span></a></sup><sup class="reference cite_virgule">,</sup><sup id="cite_ref-5" class="reference"><a href="#cite_note-5"><span class="cite_crochet">[</span>5<span class="cite_crochet">]</span></a></sup>. </p> <div class="mw-heading mw-heading2"><h2 id="Notes_et_références"><span id="Notes_et_r.C3.A9f.C3.A9rences"></span>Notes et références</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Anneau_de_Bishop&amp;veaction=edit&amp;section=3" title="Modifier la section : Notes et références" class="mw-editsection-visualeditor"><span>modifier</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Anneau_de_Bishop&amp;action=edit&amp;section=3" title="Modifier le code source de la section : Notes et références"><span>modifier le code</span></a><span class="mw-editsection-bracket">]</span></span></div> <div class="references-small decimal" style=""><div class="mw-references-wrap"><ol class="references"> <li id="cite_note-OMM-1"><span class="mw-cite-backlink noprint"><a href="#cite_ref-OMM_1-0">↑</a> </span><span class="reference-text"><span class="ouvrage" id="météorologique_mondiale"><span class="ouvrage" id="Organisation_météorologique_mondiale"><a href="/wiki/Organisation_m%C3%A9t%C3%A9orologique_mondiale" title="Organisation météorologique mondiale">Organisation météorologique mondiale</a>, <span class="noarchive">«&#160;<a rel="nofollow" class="external text" href="http://www.eumetcal.org/euromet/glossary/bishopsr.htm"><cite style="font-style:normal;">Anneau de Bishop</cite></a>&#160;» <small class="plainlinks cachelinks">&#91;<a rel="nofollow" class="external text" href="https://web.archive.org/web/20160303183924/http://www.eumetcal.org/euromet/glossary/bishopsr.htm">archive du <time class="nowrap" datetime="2016-03-03" data-sort-value="2016-03-03">3 mars 2016</time></a>&#93;</small></span>, <span class="italique">Glossaire météorologique</span>, <a href="/wiki/Eumetcal" title="Eumetcal">Eumetcal</a> <small style="line-height:1em;">(consulté le <time class="nowrap" datetime="2010-05-10" data-sort-value="2010-05-10">10 mai 2010</time>)</small></span></span>.</span> </li> <li id="cite_note-Villeneuve-2"><span class="mw-cite-backlink noprint"><a href="#cite_ref-Villeneuve_2-0">↑</a> </span><span class="reference-text"><span class="ouvrage" id="Villeneuve1980"><span class="ouvrage" id="Oscar_Villeneuve1980">Oscar Villeneuve, <cite class="italique">Glossaire de la météorologie</cite>, Québec, <time>1980</time>, <abbr class="abbr" title="deuxième">2<sup>e</sup></abbr>&#160;<abbr class="abbr" title="édition">éd.</abbr>, 645&#160;<abbr class="abbr" title="pages">p.</abbr> <small style="line-height:1em;">(<a href="/wiki/International_Standard_Book_Number" title="International Standard Book Number">ISBN</a>&#160;<a href="/wiki/Sp%C3%A9cial:Ouvrages_de_r%C3%A9f%C3%A9rence/978-2-7637-6896-0" title="Spécial:Ouvrages de référence/978-2-7637-6896-0"><span class="nowrap">978-2-7637-6896-0</span></a>, <a href="/wiki/Biblioth%C3%A8que_nationale_de_France" title="Bibliothèque nationale de France">BNF</a>&#160;<span class="plainlinks noarchive nowrap"><a rel="nofollow" class="external text" href="https://catalogue.bnf.fr/ark:/12148/cb37480178w.public">37480178</a></span>, <a rel="nofollow" class="external text" href="//books.google.com/books?id=ajk1Y5VdbrAC&amp;dq=anneau+de+Bishop&amp;pg=PA19">présentation en ligne</a>)</small>, <abbr class="abbr" title="page">p.</abbr>&#160;19<span class="Z3988" title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&amp;rft.genre=book&amp;rft.btitle=Glossaire+de+la+m%C3%A9t%C3%A9orologie&amp;rft.place=Qu%C3%A9bec&amp;rft.edition=2&amp;rft.aulast=Villeneuve&amp;rft.aufirst=Oscar&amp;rft.date=1980&amp;rft.pages=19&amp;rft.tpages=645&amp;rft.isbn=978-2-7637-6896-0&amp;rfr_id=info%3Asid%2Ffr.wikipedia.org%3AAnneau+de+Bishop"></span></span></span>.</span> </li> <li id="cite_note-3"><span class="mw-cite-backlink noprint"><a href="#cite_ref-3">↑</a> </span><span class="reference-text"><span class="ouvrage" id="Riggenbach1886"><span class="ouvrage" id="Albert_Riggenbach1886"><abbr class="abbr indicateur-langue" title="Langue : allemand">(de)</abbr> Albert Riggenbach, <cite class="italique" lang="de">Beobachtungen über die Dämmerung, insbesondere über das Purpurlicht und seine Beziehungen zum Bishop'schen Sonnenring</cite>, Bâle, H. Georg's Verlag, <time>1886</time>, 105&#160;<abbr class="abbr" title="pages">p.</abbr> <small style="line-height:1em;">(<a rel="nofollow" class="external text" href="//books.google.com/books?id=LQYqAAAAYAAJ">lire en ligne</a>)</small><span class="Z3988" title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&amp;rft.genre=book&amp;rft.btitle=Beobachtungen+%C3%BCber+die+D%C3%A4mmerung%2C+insbesondere+%C3%BCber+das+Purpurlicht+und+seine+Beziehungen+zum+Bishop%27schen+Sonnenring&amp;rft.place=B%C3%A2le&amp;rft.pub=H.+Georg%27s+Verlag&amp;rft.aulast=Riggenbach&amp;rft.aufirst=Albert&amp;rft.date=1886&amp;rft.tpages=105&amp;rfr_id=info%3Asid%2Ffr.wikipedia.org%3AAnneau+de+Bishop"></span></span></span>.</span> </li> <li id="cite_note-4"><span class="mw-cite-backlink noprint"><a href="#cite_ref-4">↑</a> </span><span class="reference-text"><span class="ouvrage" id="Asano1993"><span class="ouvrage" id="S._Asano1993"><abbr class="abbr indicateur-langue" title="Langue : anglais">(en)</abbr> S. <span class="nom_auteur">Asano</span>, «&#160;<cite style="font-style:normal" lang="en">Estimation of the size distribution of Pinatubo volcanic dust from the Bishop's ring simulations</cite>&#160;», <i><span class="lang-en" lang="en">Geophysical research letters</span></i>, <abbr class="abbr" title="volume">vol.</abbr>&#160;20, <abbr class="abbr" title="numéro">n<sup>o</sup></abbr>&#160;6,&#8206; <time>1993</time>, <abbr class="abbr" title="pages">p.</abbr>&#160;<span class="nowrap">447-450</span> <small style="line-height:1em;">(<a href="/wiki/Digital_Object_Identifier" title="Digital Object Identifier">DOI</a>&#160;<span class="plainlinks noarchive nowrap"><a rel="nofollow" class="external text" href="https://dx.doi.org/10.1029/93GL00512">10.1029/93GL00512</a></span>)</small><span class="Z3988" title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&amp;rft.genre=article&amp;rft.atitle=Estimation+of+the+size+distribution+of+Pinatubo+volcanic+dust+from+the+Bishop%27s+ring+simulations&amp;rft.jtitle=Geophysical+research+letters&amp;rft.issue=6&amp;rft.aulast=Asano&amp;rft.aufirst=S.&amp;rft.date=1993&amp;rft.volume=20&amp;rft.pages=447-450&amp;rft_id=info%3Adoi%2F10.1029%2F93GL00512&amp;rfr_id=info%3Asid%2Ffr.wikipedia.org%3AAnneau+de+Bishop"></span></span></span>.</span> </li> <li id="cite_note-5"><span class="mw-cite-backlink noprint"><a href="#cite_ref-5">↑</a> </span><span class="reference-text"><span class="ouvrage" id="SassenThomasBeipingCrutzen1994"><span class="ouvrage" id="Kenneth_SassenPeter_ThomasP._Luo_BeipingPaul_J._Crutzen1994"><abbr class="abbr indicateur-langue" title="Langue : anglais">(en)</abbr> Kenneth <span class="nom_auteur">Sassen</span>, Peter <span class="nom_auteur">Thomas</span>, P. Luo <span class="nom_auteur">Beiping</span> et Paul J. <span class="nom_auteur">Crutzen</span>, «&#160;<cite style="font-style:normal" lang="en">Volcanic Bishop’s ring: evidence for a sulfuric acid tetrahydrate particle aureole</cite>&#160;», <i><span class="lang-en" lang="en">Applied Optics</span></i>, <abbr class="abbr" title="volume">vol.</abbr>&#160;33, <abbr class="abbr" title="numéro">n<sup>o</sup></abbr>&#160;21,&#8206; <time>1994</time>, <abbr class="abbr" title="pages">p.</abbr>&#160;<span class="nowrap">4602-4606</span> <small style="line-height:1em;">(<a href="/wiki/Digital_Object_Identifier" title="Digital Object Identifier">DOI</a>&#160;<span class="plainlinks noarchive nowrap"><a rel="nofollow" class="external text" href="https://dx.doi.org/10.1364/AO.33.004602">10.1364/AO.33.004602</a></span>)</small><span class="Z3988" title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&amp;rft.genre=article&amp;rft.atitle=Volcanic+Bishop%E2%80%99s+ring%3A+evidence+for+a+sulfuric+acid+tetrahydrate+particle+aureole&amp;rft.jtitle=Applied+Optics&amp;rft.issue=21&amp;rft.aulast=Sassen&amp;rft.aufirst=Kenneth&amp;rft.au=Thomas%2C+Peter&amp;rft.au=Beiping%2C+P.+Luo&amp;rft.au=Crutzen%2C+Paul+J.&amp;rft.date=1994&amp;rft.volume=33&amp;rft.pages=4602-4606&amp;rft_id=info%3Adoi%2F10.1364%2FAO.33.004602&amp;rfr_id=info%3Asid%2Ffr.wikipedia.org%3AAnneau+de+Bishop"></span></span></span>.</span> </li> </ol></div> </div> <div class="mw-heading mw-heading2"><h2 id="Voir_aussi">Voir aussi</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Anneau_de_Bishop&amp;veaction=edit&amp;section=4" title="Modifier la section : Voir aussi" class="mw-editsection-visualeditor"><span>modifier</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Anneau_de_Bishop&amp;action=edit&amp;section=4" title="Modifier le code source de la section : Voir aussi"><span>modifier le code</span></a><span class="mw-editsection-bracket">]</span></span></div> <div class="mw-heading mw-heading3"><h3 id="Lien_externe">Lien externe</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Anneau_de_Bishop&amp;veaction=edit&amp;section=5" title="Modifier la section : Lien externe" class="mw-editsection-visualeditor"><span>modifier</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Anneau_de_Bishop&amp;action=edit&amp;section=5" title="Modifier le code source de la section : Lien externe"><span>modifier le code</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><abbr class="abbr indicateur-langue" title="Langue : anglais">(en)</abbr> <a rel="nofollow" class="external text" href="http://www.atoptics.co.uk/droplets/bring.htm">Photographie</a> d'anneau de Bishop avec commentaires.</li></ul> <div class="navbox-container" style="clear:both;"> <table class="navbox collapsible noprint autocollapse" style=""> <tbody><tr><th class="navbox-title" colspan="2" style=""><div style="float:left; width:6em; text-align:left"><div class="noprint plainlinks nowrap tnavbar" style="padding:0; font-size:xx-small; color:var(--color-emphasized, #000000);"><a href="/wiki/Mod%C3%A8le:Palette_Photom%C3%A9t%C3%A9ores" title="Modèle:Palette Photométéores"><abbr class="abbr" title="Voir ce modèle.">v</abbr></a>&#160;· <a class="external text" href="https://fr.wikipedia.org/w/index.php?title=Mod%C3%A8le:Palette_Photom%C3%A9t%C3%A9ores&amp;action=edit"><abbr class="abbr" title="Modifier ce modèle. Merci de prévisualiser avant de sauvegarder.">m</abbr></a></div></div><div style="font-size:110%"><a href="/wiki/Photom%C3%A9t%C3%A9ore" title="Photométéore">Photométéores</a> <span typeof="mw:File"><a href="/wiki/Fichier:Nuvola_apps_kweather.svg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/e/e3/Nuvola_apps_kweather.svg/20px-Nuvola_apps_kweather.svg.png" decoding="async" width="20" height="20" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/e/e3/Nuvola_apps_kweather.svg/30px-Nuvola_apps_kweather.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/e/e3/Nuvola_apps_kweather.svg/40px-Nuvola_apps_kweather.svg.png 2x" data-file-width="419" data-file-height="419" /></a></span></div></th> </tr> <tr> <th class="navbox-group" style=""><a href="/wiki/Halo_(ph%C3%A9nom%C3%A8ne_optique)" title="Halo (phénomène optique)">Halos</a></th> <td class="navbox-list" style=""><div class="liste-horizontale"> <ul><li><a href="/wiki/Anth%C3%A9lie" title="Anthélie">Anthélie</a></li> <li><a href="/wiki/Arc_circumhorizontal" title="Arc circumhorizontal">Arc circumhorizontal</a></li> <li><a href="/wiki/Arc_circumz%C3%A9nithal" title="Arc circumzénithal">Arc circumzénithal</a></li> <li><a href="/wiki/Arc_infralat%C3%A9ral" title="Arc infralatéral">Arc infralatéral</a></li> <li><a href="/wiki/Arcs_de_Parry" title="Arcs de Parry">Arcs de Parry</a></li> <li><a href="/wiki/Arc_supralat%C3%A9ral" title="Arc supralatéral">Arc supralatéral</a></li> <li><a href="/wiki/Arcs_tangents" title="Arcs tangents">Arcs tangents</a></li> <li><a href="/wiki/Cercle_parh%C3%A9lique" title="Cercle parhélique">Cercle parhélique</a></li> <li><a href="/wiki/Colonne_lumineuse" title="Colonne lumineuse">Colonne lumineuse</a></li> <li><a href="/wiki/Halo_de_22%C2%B0" title="Halo de 22°">Petit halo</a></li> <li><a href="/wiki/Halo_de_46%C2%B0" title="Halo de 46°">Grand halo</a></li> <li><a href="/wiki/Parh%C3%A9lie" title="Parhélie">Parhélie</a></li> <li><a href="/wiki/Parh%C3%A9lie#Paranthélies_et_parhélies_secondaires" title="Parhélie">Paranthélie</a></li> <li><a href="/wiki/Paras%C3%A9l%C3%A8ne" title="Parasélène">Parasélène</a></li></ul> </div></td> </tr> <tr> <th class="navbox-group" style=""><a href="/wiki/Couronne_(ph%C3%A9nom%C3%A8ne_optique)" title="Couronne (phénomène optique)">Couronnes</a> et arcs</th> <td class="navbox-list navbox-even" style=""><div class="liste-horizontale"> <ul><li><a class="mw-selflink selflink">Anneau de Bishop</a></li> <li><a href="/wiki/Arc_blanc" title="Arc blanc">Arc blanc</a></li> <li><a href="/wiki/Arc-en-ciel" title="Arc-en-ciel">Arc-en-ciel</a></li> <li><a href="/wiki/Arc-en-ciel_de_ros%C3%A9e" title="Arc-en-ciel de rosée">Arc-en-ciel de rosée</a></li> <li><a href="/wiki/Arc-en-ciel_lunaire" title="Arc-en-ciel lunaire">Arc-en-ciel lunaire</a></li> <li><a href="/wiki/Aur%C3%A9ole_du_pilote" title="Auréole du pilote">Auréole du pilote</a></li> <li><a href="/wiki/Gegenschein" title="Gegenschein">Gegenschein</a></li> <li><a href="/wiki/Gloire_(ph%C3%A9nom%C3%A8ne_optique)" title="Gloire (phénomène optique)">Gloire</a></li> <li><a href="/wiki/Heiligenschein" title="Heiligenschein">Heiligenschein</a></li> <li><a href="/wiki/Spectre_de_Brocken" title="Spectre de Brocken">Spectre de Brocken</a></li> <li><a href="/wiki/Sous-soleil" title="Sous-soleil">Sous-soleil</a></li></ul> </div></td> </tr> <tr> <th class="navbox-group" style=""><a href="/wiki/Couleur_du_ciel" title="Couleur du ciel">Couleur du ciel</a></th> <td class="navbox-list" style=""><div class="liste-horizontale"> <ul><li><a href="/wiki/Heure_bleue" title="Heure bleue">Heure bleue</a></li> <li><a href="/wiki/Iridescence" title="Iridescence">Iridescence</a></li> <li><a href="/wiki/Lumi%C3%A8re_zodiacale" title="Lumière zodiacale">Lumière zodiacale</a></li> <li><a href="/wiki/Lune_cuivr%C3%A9e_(astronomie)" title="Lune cuivrée (astronomie)">Lune cuivrée</a></li> <li><a href="/wiki/Rayon_vert" title="Rayon vert">Rayon vert</a></li> <li><a href="/wiki/Rayons_anticr%C3%A9pusculaires" title="Rayons anticrépusculaires">Rayons anticrépusculaires</a></li> <li><a href="/wiki/Rayon_cr%C3%A9pusculaire" title="Rayon crépusculaire">Rayons crépusculaires</a></li></ul> </div></td> </tr> <tr> <td class="navbox-banner" style="" colspan="2"><a href="/wiki/Glossaire_de_la_m%C3%A9t%C3%A9orologie" title="Glossaire de la météorologie">Glossaire de la météorologie</a></td></tr></tbody></table> </div> <ul id="bandeau-portail" class="bandeau-portail"><li><span class="bandeau-portail-element"><span class="bandeau-portail-icone"><span class="noviewer" typeof="mw:File"><a href="/wiki/Portail:M%C3%A9t%C3%A9orologie" title="Portail de la météorologie"><img alt="icône décorative" src="//upload.wikimedia.org/wikipedia/commons/thumb/b/bf/Circle-icons-weather.svg/24px-Circle-icons-weather.svg.png" decoding="async" width="24" height="24" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/b/bf/Circle-icons-weather.svg/36px-Circle-icons-weather.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/b/bf/Circle-icons-weather.svg/48px-Circle-icons-weather.svg.png 2x" data-file-width="512" data-file-height="512" /></a></span></span> <span class="bandeau-portail-texte"><a href="/wiki/Portail:M%C3%A9t%C3%A9orologie" title="Portail:Météorologie">Portail de la météorologie</a></span> </span></li> <li><span class="bandeau-portail-element"><span class="bandeau-portail-icone"><span class="noviewer" typeof="mw:File"><a href="/wiki/Portail:Volcanisme" title="Portail du volcanisme"><img alt="icône décorative" src="//upload.wikimedia.org/wikipedia/commons/thumb/7/75/Volcano.svg/24px-Volcano.svg.png" decoding="async" width="24" height="24" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/7/75/Volcano.svg/36px-Volcano.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/7/75/Volcano.svg/49px-Volcano.svg.png 2x" data-file-width="552" data-file-height="546" /></a></span></span> <span class="bandeau-portail-texte"><a href="/wiki/Portail:Volcanisme" title="Portail:Volcanisme">Portail du volcanisme</a></span> </span></li> <li><span class="bandeau-portail-element"><span class="bandeau-portail-icone"><span class="noviewer" typeof="mw:File"><a href="/wiki/Portail:Optique" title="Portail de l’optique"><img alt="icône décorative" src="//upload.wikimedia.org/wikipedia/commons/thumb/6/60/Refraction_of_daylight_through_a_prism.jpg/20px-Refraction_of_daylight_through_a_prism.jpg" decoding="async" width="20" height="24" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/6/60/Refraction_of_daylight_through_a_prism.jpg/29px-Refraction_of_daylight_through_a_prism.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/6/60/Refraction_of_daylight_through_a_prism.jpg/39px-Refraction_of_daylight_through_a_prism.jpg 2x" data-file-width="622" data-file-height="759" /></a></span></span> <span class="bandeau-portail-texte"><a href="/wiki/Portail:Optique" title="Portail:Optique">Portail de l’optique</a></span> </span></li> </ul> <!-- NewPP limit report Parsed by mw‐web.codfw.main‐f69cdc8f6‐4fsrh Cached time: 20241124235319 Cache expiry: 2592000 Reduced expiry: false Complications: [show‐toc] CPU time usage: 0.176 seconds Real time usage: 0.306 seconds Preprocessor visited node count: 1168/1000000 Post‐expand include size: 38377/2097152 bytes Template argument size: 4001/2097152 bytes Highest expansion depth: 12/100 Expensive parser function count: 0/500 Unstrip recursion depth: 0/20 Unstrip post‐expand size: 8354/5000000 bytes Lua time usage: 0.075/10.000 seconds Lua memory usage: 4793716/52428800 bytes Number of Wikibase entities loaded: 1/400 --> <!-- Transclusion expansion time report (%,ms,calls,template) 100.00% 262.689 1 -total 38.31% 100.640 1 Modèle:Portail 28.64% 75.228 1 Modèle:Références 24.10% 63.313 1 Modèle:Catégorisation_badges 15.15% 39.799 2 Modèle:Ouvrage 11.70% 30.736 1 Modèle:Voir_homonymes 11.03% 28.972 1 Modèle:Méta_bandeau_de_note 10.33% 27.145 1 Modèle:Méta_bandeau 7.34% 19.270 1 Modèle:Palette 7.26% 19.073 1 Modèle:Suivi_des_biographies --> <!-- Saved in parser cache with key frwiki:pcache:idhash:4704631-0!canonical and timestamp 20241124235319 and revision id 220165452. Rendering was triggered because: page-view --> </div><!--esi <esi:include src="/esitest-fa8a495983347898/content" /> --><noscript><img src="https://login.wikimedia.org/wiki/Special:CentralAutoLogin/start?type=1x1" alt="" width="1" height="1" style="border: none; position: absolute;"></noscript> <div class="printfooter" data-nosnippet="">Ce document provient de «&#160;<a dir="ltr" href="https://fr.wikipedia.org/w/index.php?title=Anneau_de_Bishop&amp;oldid=220165452">https://fr.wikipedia.org/w/index.php?title=Anneau_de_Bishop&amp;oldid=220165452</a>&#160;».</div></div> <div id="catlinks" class="catlinks" data-mw="interface"><div id="mw-normal-catlinks" class="mw-normal-catlinks"><a href="/wiki/Cat%C3%A9gorie:Accueil" title="Catégorie:Accueil">Catégories</a> : <ul><li><a href="/wiki/Cat%C3%A9gorie:Ph%C3%A9nom%C3%A8ne_atmosph%C3%A9rique_optique" title="Catégorie:Phénomène atmosphérique optique">Phénomène atmosphérique optique</a></li><li><a href="/wiki/Cat%C3%A9gorie:Th%C3%A9orie_m%C3%A9t%C3%A9orologique" title="Catégorie:Théorie météorologique">Théorie météorologique</a></li></ul></div><div id="mw-hidden-catlinks" class="mw-hidden-catlinks mw-hidden-cats-hidden">Catégories cachées : <ul><li><a href="/wiki/Cat%C3%A9gorie:Portail:M%C3%A9t%C3%A9orologie/Articles_li%C3%A9s" title="Catégorie:Portail:Météorologie/Articles liés">Portail:Météorologie/Articles liés</a></li><li><a href="/wiki/Cat%C3%A9gorie:Portail:Sciences_de_la_Terre_et_de_l%27Univers/Articles_li%C3%A9s" title="Catégorie:Portail:Sciences de la Terre et de l&#039;Univers/Articles liés">Portail:Sciences de la Terre et de l'Univers/Articles liés</a></li><li><a href="/wiki/Cat%C3%A9gorie:Portail:Sciences/Articles_li%C3%A9s" title="Catégorie:Portail:Sciences/Articles liés">Portail:Sciences/Articles liés</a></li><li><a href="/wiki/Cat%C3%A9gorie:Portail:Volcanisme/Articles_li%C3%A9s" title="Catégorie:Portail:Volcanisme/Articles liés">Portail:Volcanisme/Articles liés</a></li><li><a href="/wiki/Cat%C3%A9gorie:Portail:G%C3%A9ologie/Articles_li%C3%A9s" title="Catégorie:Portail:Géologie/Articles liés">Portail:Géologie/Articles liés</a></li><li><a href="/wiki/Cat%C3%A9gorie:Portail:G%C3%A9ographie/Articles_li%C3%A9s" title="Catégorie:Portail:Géographie/Articles liés">Portail:Géographie/Articles liés</a></li><li><a href="/wiki/Cat%C3%A9gorie:Portail:Optique/Articles_li%C3%A9s" title="Catégorie:Portail:Optique/Articles liés">Portail:Optique/Articles liés</a></li><li><a href="/wiki/Cat%C3%A9gorie:Portail:Physique/Articles_li%C3%A9s" title="Catégorie:Portail:Physique/Articles liés">Portail:Physique/Articles liés</a></li></ul></div></div> </div> </main> </div> <div class="mw-footer-container"> <footer id="footer" class="mw-footer" > <ul id="footer-info"> <li id="footer-info-lastmod"> La dernière modification de cette page a été faite le 10 novembre 2024 à 07:23.</li> <li id="footer-info-copyright"><span style="white-space: normal"><a href="/wiki/Wikip%C3%A9dia:Citation_et_r%C3%A9utilisation_du_contenu_de_Wikip%C3%A9dia" title="Wikipédia:Citation et réutilisation du contenu de Wikipédia">Droit d'auteur</a>&#160;: les textes sont disponibles sous <a rel="nofollow" class="external text" href="https://creativecommons.org/licenses/by-sa/4.0/deed.fr">licence Creative Commons attribution, partage dans les mêmes conditions</a>&#160;; d’autres conditions peuvent s’appliquer. Voyez les <a class="external text" href="https://foundation.wikimedia.org/wiki/Policy:Terms_of_Use/fr">conditions d’utilisation</a> pour plus de détails, ainsi que les <a href="/wiki/Wikip%C3%A9dia:Cr%C3%A9dits_graphiques" title="Wikipédia:Crédits graphiques">crédits graphiques</a>. En cas de réutilisation des textes de cette page, voyez <a href="/wiki/Sp%C3%A9cial:Citer/Anneau_de_Bishop" title="Spécial:Citer/Anneau de Bishop">comment citer les auteurs et mentionner la licence</a>.<br /> Wikipedia® est une marque déposée de la <a rel="nofollow" class="external text" href="https://wikimediafoundation.org/">Wikimedia Foundation, Inc.</a>, organisation de bienfaisance régie par le paragraphe <a href="/wiki/501c" title="501c">501(c)(3)</a> du code fiscal des États-Unis.</span><br /></li> </ul> <ul id="footer-places"> <li id="footer-places-privacy"><a href="https://foundation.wikimedia.org/wiki/Special:MyLanguage/Policy:Privacy_policy/fr">Politique de confidentialité</a></li> <li id="footer-places-about"><a href="/wiki/Wikip%C3%A9dia:%C3%80_propos_de_Wikip%C3%A9dia">À propos de Wikipédia</a></li> <li id="footer-places-disclaimers"><a href="/wiki/Wikip%C3%A9dia:Avertissements_g%C3%A9n%C3%A9raux">Avertissements</a></li> <li id="footer-places-contact"><a href="//fr.wikipedia.org/wiki/Wikipédia:Contact">Contact</a></li> <li id="footer-places-wm-codeofconduct"><a href="https://foundation.wikimedia.org/wiki/Special:MyLanguage/Policy:Universal_Code_of_Conduct">Code de conduite</a></li> <li id="footer-places-developers"><a href="https://developer.wikimedia.org">Développeurs</a></li> <li id="footer-places-statslink"><a href="https://stats.wikimedia.org/#/fr.wikipedia.org">Statistiques</a></li> <li id="footer-places-cookiestatement"><a href="https://foundation.wikimedia.org/wiki/Special:MyLanguage/Policy:Cookie_statement">Déclaration sur les témoins (cookies)</a></li> <li id="footer-places-mobileview"><a href="//fr.m.wikipedia.org/w/index.php?title=Anneau_de_Bishop&amp;mobileaction=toggle_view_mobile" class="noprint stopMobileRedirectToggle">Version mobile</a></li> </ul> <ul id="footer-icons" class="noprint"> <li id="footer-copyrightico"><a href="https://wikimediafoundation.org/" class="cdx-button cdx-button--fake-button cdx-button--size-large cdx-button--fake-button--enabled"><img src="/static/images/footer/wikimedia-button.svg" width="84" height="29" alt="Wikimedia Foundation" loading="lazy"></a></li> <li id="footer-poweredbyico"><a href="https://www.mediawiki.org/" class="cdx-button cdx-button--fake-button cdx-button--size-large cdx-button--fake-button--enabled"><img src="/w/resources/assets/poweredby_mediawiki.svg" alt="Powered by MediaWiki" width="88" height="31" loading="lazy"></a></li> </ul> </footer> </div> </div> </div> <div class="vector-settings" id="p-dock-bottom"> <ul></ul> </div><script>(RLQ=window.RLQ||[]).push(function(){mw.config.set({"wgHostname":"mw-web.codfw.main-f69cdc8f6-nt2gf","wgBackendResponseTime":202,"wgPageParseReport":{"limitreport":{"cputime":"0.176","walltime":"0.306","ppvisitednodes":{"value":1168,"limit":1000000},"postexpandincludesize":{"value":38377,"limit":2097152},"templateargumentsize":{"value":4001,"limit":2097152},"expansiondepth":{"value":12,"limit":100},"expensivefunctioncount":{"value":0,"limit":500},"unstrip-depth":{"value":0,"limit":20},"unstrip-size":{"value":8354,"limit":5000000},"entityaccesscount":{"value":1,"limit":400},"timingprofile":["100.00% 262.689 1 -total"," 38.31% 100.640 1 Modèle:Portail"," 28.64% 75.228 1 Modèle:Références"," 24.10% 63.313 1 Modèle:Catégorisation_badges"," 15.15% 39.799 2 Modèle:Ouvrage"," 11.70% 30.736 1 Modèle:Voir_homonymes"," 11.03% 28.972 1 Modèle:Méta_bandeau_de_note"," 10.33% 27.145 1 Modèle:Méta_bandeau"," 7.34% 19.270 1 Modèle:Palette"," 7.26% 19.073 1 Modèle:Suivi_des_biographies"]},"scribunto":{"limitreport-timeusage":{"value":"0.075","limit":"10.000"},"limitreport-memusage":{"value":4793716,"limit":52428800}},"cachereport":{"origin":"mw-web.codfw.main-f69cdc8f6-4fsrh","timestamp":"20241124235319","ttl":2592000,"transientcontent":false}}});});</script> <script type="application/ld+json">{"@context":"https:\/\/schema.org","@type":"Article","name":"Anneau de Bishop","url":"https:\/\/fr.wikipedia.org\/wiki\/Anneau_de_Bishop","sameAs":"http:\/\/www.wikidata.org\/entity\/Q128044","mainEntity":"http:\/\/www.wikidata.org\/entity\/Q128044","author":{"@type":"Organization","name":"Contributeurs aux projets Wikimedia"},"publisher":{"@type":"Organization","name":"Fondation Wikimedia, Inc.","logo":{"@type":"ImageObject","url":"https:\/\/www.wikimedia.org\/static\/images\/wmf-hor-googpub.png"}},"datePublished":"2010-05-10T16:46:25Z","dateModified":"2024-11-10T06:23:22Z","image":"https:\/\/upload.wikimedia.org\/wikipedia\/commons\/f\/f5\/BishopRing18mei2010_18_sml.jpg","headline":"un cercle blanch\u00e2tre, d'un rayon d'environ 22 degr\u00e9s, centr\u00e9 sur le Soleil ou la Lune, pr\u00e9sentant une l\u00e9g\u00e8re teinte bleu\u00e2tre \u00e0 l'int\u00e9rieur et brun rouge\u00e2tre \u00e0 l'ext\u00e9rieur"}</script> </body> </html>

Pages: 1 2 3 4 5 6 7 8 9 10