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src="//upload.wikimedia.org/wikipedia/commons/thumb/e/e4/Jupiter_and_moon.png/35px-Jupiter_and_moon.png" decoding="async" width="35" height="35" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/e/e4/Jupiter_and_moon.png/53px-Jupiter_and_moon.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/e/e4/Jupiter_and_moon.png/70px-Jupiter_and_moon.png 2x" data-file-width="128" data-file-height="128" /></a></span></div><div class="bandeau-cell" style="display:table-cell;padding-right:0.5em"> <p><strong class="bandeau-titre">Cet article est une <a href="/wiki/Aide:%C3%89bauche" title="Aide:Ébauche">ébauche</a> concernant l’<a href="/wiki/Astronomie" title="Astronomie">astronomie</a>.</strong> </p><p>Vous pouvez partager vos connaissances en l’améliorant (<b><a href="/wiki/Aide:Comment_modifier_une_page" title="Aide:Comment modifier une page">comment ?</a></b>) selon les recommandations des <a href="/wiki/Projet:Accueil" title="Projet:Accueil">projets correspondants</a>. </p> </div></div> <p>Une <b>galaxie binaire</b> est une paire de <a href="/wiki/Galaxie" title="Galaxie">galaxies</a> en <a href="/wiki/Orbite" title="Orbite">orbite</a> l'une autour de l'autre. </p><p>En d'autres termes, il s'agit d'un <a href="/wiki/Syst%C3%A8me_binaire_(astronomie)" title="Système binaire (astronomie)">système binaire</a> dont les composantes sont deux galaxies. </p> <div class="mw-heading mw-heading2"><h2 id="Exemples">Exemples</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Galaxie_binaire&veaction=edit&section=1" title="Modifier la section : Exemples" class="mw-editsection-visualeditor"><span>modifier</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Galaxie_binaire&action=edit&section=1" title="Modifier le code source de la section : Exemples"><span>modifier le code</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><a href="/w/index.php?title=3C_321&action=edit&redlink=1" class="new" title="3C 321 (page inexistante)">3C 321</a> <a href="https://en.wikipedia.org/wiki/3C_321" class="extiw" title="en:3C 321"><span class="indicateur-langue" title="Article en anglais : « 3C 321 »">(en)</span></a><sup id="cite_ref-1" class="reference"><a href="#cite_note-1"><span class="cite_crochet">[</span>1<span class="cite_crochet">]</span></a></sup></li></ul> <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=Galaxie_binaire&veaction=edit&section=2" 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=Galaxie_binaire&action=edit&section=2" 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-1"><span class="mw-cite-backlink noprint"><a href="#cite_ref-1">↑</a> </span><span class="reference-text"><span class="ouvrage" id="Phillips2007"><span class="ouvrage" id="Tony_Phillips2007"><abbr class="abbr indicateur-langue" title="Langue : anglais">(en)</abbr> Tony <span class="nom_auteur">Phillips</span>, « <a rel="nofollow" class="external text" href="https://science.nasa.gov/science-news/science-at-nasa/2007/18dec_assault/"><cite style="font-style:normal;" lang="en">NASA announces discovery of assault by a black hole</cite></a> » <abbr class="abbr indicateur-format format-html" title="Fichier au format Hypertext Markup Language (HTML)">[html]</abbr>, sur <span class="italique">science.nasa.gov</span>, <time class="nowrap" datetime="2007-12-18" data-sort-value="2007-12-18">18 décembre 2007</time> <small style="line-height:1em;">(consulté le <time class="nowrap" datetime="2015-03-21" data-sort-value="2015-03-21">21 mars 2015</time>)</small></span></span>.</span> </li> </ol></div> </div> <ul><li><abbr class="abbr indicateur-langue" title="Langue : anglais">(en)</abbr> Entrée <span class="ouvrage">« <a rel="nofollow" class="external text" href="http://dictionary.obspm.fr/index.php?showAll=1&formSearchTextfield=binary+galaxy"><cite style="font-style:normal;">binary galaxy [galaxie binaire]</cite></a> » <abbr class="abbr indicateur-format format-html" title="Fichier au format Hypertext Markup Language (HTML)">[html]</abbr></span>, dans <span class="ouvrage" id="Heydari-Malayeri2005-2015"><span class="ouvrage" id="Mohammad_Heydari-Malayeri2005-2015">Mohammad <span class="nom_auteur">Heydari-Malayeri</span>, <cite class="italique">An etymological dictionary of astronomy and astrophysics</cite>, <a href="/wiki/Paris" title="Paris">Paris</a>, <a href="/wiki/Observatoire_de_Paris" title="Observatoire de Paris">Observatoire de Paris</a>, 2005-2015<span class="Z3988" title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=An+etymological+dictionary+of+astronomy+and+astrophysics&rft.place=Paris&rft.pub=Observatoire+de+Paris&rft.aulast=Heydari-Malayeri&rft.aufirst=Mohammad&rft.date=2015&rfr_id=info%3Asid%2Ffr.wikipedia.org%3AGalaxie+binaire"></span></span></span> (consulté le 21 mars 2015)</li></ul> <ul id="bandeau-portail" class="bandeau-portail"><li><span class="bandeau-portail-element"><span class="bandeau-portail-icone"><span class="noviewer skin-invert-image" typeof="mw:File"><a href="/wiki/Portail:Astronomie" title="Portail de l’astronomie"><img alt="icône décorative" src="//upload.wikimedia.org/wikipedia/commons/thumb/2/27/Noun_Astronomy_Icon2.svg/25px-Noun_Astronomy_Icon2.svg.png" decoding="async" width="25" height="24" class="mw-file-element" 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