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Available in 42 languages" > <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-42" 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">42 languages</span> </label> <div class="vector-dropdown-content"> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="interlanguage-link interwiki-af mw-list-item"><a href="https://af.wikipedia.org/wiki/Galaktiese_halo" title="Galaktiese halo – Afrikaans" lang="af" hreflang="af" data-title="Galaktiese halo" data-language-autonym="Afrikaans" data-language-local-name="Afrikaans" class="interlanguage-link-target"><span>Afrikaans</span></a></li><li class="interlanguage-link interwiki-ar mw-list-item"><a href="https://ar.wikipedia.org/wiki/%D9%87%D8%A7%D9%84%D8%A9_%D9%85%D8%AC%D8%B1%D9%8A%D8%A9" title="هالة مجرية – Arabic" lang="ar" hreflang="ar" data-title="هالة مجرية" data-language-autonym="العربية" data-language-local-name="Arabic" class="interlanguage-link-target"><span>العربية</span></a></li><li class="interlanguage-link interwiki-bn mw-list-item"><a href="https://bn.wikipedia.org/wiki/%E0%A6%9B%E0%A6%BE%E0%A6%AF%E0%A6%BC%E0%A6%BE%E0%A6%AA%E0%A6%A5%E0%A6%AC%E0%A6%B0%E0%A7%8D%E0%A6%A4%E0%A7%80_%E0%A6%97%E0%A6%B9%E0%A7%8D%E0%A6%AC%E0%A6%B0" title="ছায়াপথবর্তী গহ্বর – Bangla" lang="bn" hreflang="bn" data-title="ছায়াপথবর্তী গহ্বর" data-language-autonym="বাংলা" data-language-local-name="Bangla" class="interlanguage-link-target"><span>বাংলা</span></a></li><li class="interlanguage-link interwiki-be mw-list-item"><a href="https://be.wikipedia.org/wiki/%D0%93%D0%B0%D0%BB%D0%B0%D0%BA%D1%82%D1%8B%D1%87%D0%BD%D0%B0%D0%B5_%D0%B3%D0%B0%D0%BB%D0%BE" title="Галактычнае гало – Belarusian" lang="be" hreflang="be" data-title="Галактычнае гало" data-language-autonym="Беларуская" data-language-local-name="Belarusian" 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/Halo_gal%C3%A0ctic" title="Halo galàctic – Catalan" lang="ca" hreflang="ca" data-title="Halo galàctic" data-language-autonym="Català" data-language-local-name="Catalan" 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/Galaktick%C3%A9_halo" title="Galaktické halo – Czech" lang="cs" hreflang="cs" data-title="Galaktické halo" data-language-autonym="Čeština" data-language-local-name="Czech" class="interlanguage-link-target"><span>Čeština</span></a></li><li class="interlanguage-link interwiki-da mw-list-item"><a href="https://da.wikipedia.org/wiki/Galaktisk_halo" title="Galaktisk halo – Danish" lang="da" hreflang="da" data-title="Galaktisk halo" data-language-autonym="Dansk" data-language-local-name="Danish" class="interlanguage-link-target"><span>Dansk</span></a></li><li class="interlanguage-link interwiki-de mw-list-item"><a href="https://de.wikipedia.org/wiki/Halo_(Astronomie)" title="Halo (Astronomie) – German" lang="de" hreflang="de" data-title="Halo (Astronomie)" data-language-autonym="Deutsch" data-language-local-name="German" 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%93%CE%B1%CE%BB%CE%B1%CE%BE%CE%B9%CE%B1%CE%BA%CE%AE_%CE%AC%CE%BB%CF%89%CF%82" title="Γαλαξιακή άλως – Greek" lang="el" hreflang="el" data-title="Γαλαξιακή άλως" data-language-autonym="Ελληνικά" data-language-local-name="Greek" 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/Galactic_halo" title="Galactic halo – English" lang="en" hreflang="en" data-title="Galactic halo" data-language-autonym="English" data-language-local-name="English" 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/Halo_gal%C3%A1ctico" title="Halo galáctico – Spanish" lang="es" hreflang="es" data-title="Halo galáctico" data-language-autonym="Español" data-language-local-name="Spanish" class="interlanguage-link-target"><span>Español</span></a></li><li class="interlanguage-link interwiki-eo mw-list-item"><a href="https://eo.wikipedia.org/wiki/Haloo" title="Haloo – Esperanto" lang="eo" hreflang="eo" data-title="Haloo" data-language-autonym="Esperanto" data-language-local-name="Esperanto" class="interlanguage-link-target"><span>Esperanto</span></a></li><li class="interlanguage-link interwiki-fa mw-list-item"><a href="https://fa.wikipedia.org/wiki/%D9%87%D8%A7%D9%84%D9%87_%DA%A9%D9%87%DA%A9%D8%B4%D8%A7%D9%86%DB%8C" title="هاله کهکشانی – Persian" lang="fa" hreflang="fa" data-title="هاله کهکشانی" data-language-autonym="فارسی" data-language-local-name="Persian" class="interlanguage-link-target"><span>فارسی</span></a></li><li class="interlanguage-link interwiki-fr mw-list-item"><a href="https://fr.wikipedia.org/wiki/Halo_galactique" title="Halo galactique – French" lang="fr" hreflang="fr" data-title="Halo galactique" data-language-autonym="Français" data-language-local-name="French" class="interlanguage-link-target"><span>Français</span></a></li><li class="interlanguage-link interwiki-ko mw-list-item"><a href="https://ko.wikipedia.org/wiki/%EC%9D%80%ED%95%98%ED%97%A4%EC%9D%BC%EB%A1%9C" title="은하헤일로 – Korean" lang="ko" hreflang="ko" data-title="은하헤일로" data-language-autonym="한국어" data-language-local-name="Korean" class="interlanguage-link-target"><span>한국어</span></a></li><li class="interlanguage-link interwiki-hy mw-list-item"><a href="https://hy.wikipedia.org/wiki/%D4%B3%D5%A1%D5%AC%D5%A1%D5%AF%D5%BF%D5%AB%D5%AF%D5%A1%D5%B5%D5%AB_%D5%B0%D5%A1%D5%AC%D5%B8_(%D5%AC%D5%B8%D6%82%D5%BD%D5%A1%D5%BA%D5%BD%D5%A1%D5%AF)" title="Գալակտիկայի հալո (լուսապսակ) – Armenian" lang="hy" hreflang="hy" data-title="Գալակտիկայի հալո (լուսապսակ)" data-language-autonym="Հայերեն" data-language-local-name="Armenian" class="interlanguage-link-target"><span>Հայերեն</span></a></li><li class="interlanguage-link interwiki-hi mw-list-item"><a href="https://hi.wikipedia.org/wiki/%E0%A4%97%E0%A5%88%E0%A4%B2%E0%A5%87%E0%A4%95%E0%A5%8D%E0%A4%B8%E0%A5%80%E0%A4%AF_%E0%A4%B8%E0%A5%87%E0%A4%B9%E0%A4%B0%E0%A4%BE" title="गैलेक्सीय सेहरा – Hindi" lang="hi" hreflang="hi" data-title="गैलेक्सीय सेहरा" data-language-autonym="हिन्दी" data-language-local-name="Hindi" class="interlanguage-link-target"><span>हिन्दी</span></a></li><li class="interlanguage-link interwiki-hr mw-list-item"><a href="https://hr.wikipedia.org/wiki/Galakti%C4%8Dki_halo" title="Galaktički halo – Croatian" lang="hr" hreflang="hr" data-title="Galaktički halo" data-language-autonym="Hrvatski" data-language-local-name="Croatian" class="interlanguage-link-target"><span>Hrvatski</span></a></li><li class="interlanguage-link interwiki-io mw-list-item"><a href="https://io.wikipedia.org/wiki/Galaxio-halono" title="Galaxio-halono – Ido" lang="io" hreflang="io" data-title="Galaxio-halono" data-language-autonym="Ido" data-language-local-name="Ido" class="interlanguage-link-target"><span>Ido</span></a></li><li class="interlanguage-link interwiki-id mw-list-item"><a href="https://id.wikipedia.org/wiki/Halo_galaksi" title="Halo galaksi – Indonesian" lang="id" hreflang="id" data-title="Halo galaksi" data-language-autonym="Bahasa Indonesia" data-language-local-name="Indonesian" class="interlanguage-link-target"><span>Bahasa Indonesia</span></a></li><li class="interlanguage-link interwiki-it mw-list-item"><a href="https://it.wikipedia.org/wiki/Alone_galattico" title="Alone galattico – Italian" lang="it" hreflang="it" data-title="Alone galattico" data-language-autonym="Italiano" data-language-local-name="Italian" class="interlanguage-link-target"><span>Italiano</span></a></li><li class="interlanguage-link interwiki-lv mw-list-item"><a href="https://lv.wikipedia.org/wiki/Galaktikas_halo" title="Galaktikas halo – Latvian" lang="lv" hreflang="lv" data-title="Galaktikas halo" data-language-autonym="Latviešu" data-language-local-name="Latvian" class="interlanguage-link-target"><span>Latviešu</span></a></li><li class="interlanguage-link interwiki-lb mw-list-item"><a href="https://lb.wikipedia.org/wiki/Halo_(Astronomie)" title="Halo (Astronomie) – Luxembourgish" lang="lb" hreflang="lb" data-title="Halo (Astronomie)" data-language-autonym="Lëtzebuergesch" data-language-local-name="Luxembourgish" class="interlanguage-link-target"><span>Lëtzebuergesch</span></a></li><li class="interlanguage-link interwiki-lt mw-list-item"><a href="https://lt.wikipedia.org/wiki/Galaktikos_halas" title="Galaktikos halas – Lithuanian" lang="lt" hreflang="lt" data-title="Galaktikos halas" data-language-autonym="Lietuvių" data-language-local-name="Lithuanian" class="interlanguage-link-target"><span>Lietuvių</span></a></li><li class="interlanguage-link interwiki-mk mw-list-item"><a href="https://mk.wikipedia.org/wiki/%D0%93%D0%B0%D0%BB%D0%B0%D0%BA%D1%82%D0%B8%D1%87%D0%BA%D0%B8_%D0%BE%D1%80%D0%B5%D0%BE%D0%BB" title="Галактички ореол – Macedonian" lang="mk" hreflang="mk" data-title="Галактички ореол" data-language-autonym="Македонски" data-language-local-name="Macedonian" 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/Halo_(astronomie)" title="Halo (astronomie) – Dutch" lang="nl" hreflang="nl" data-title="Halo (astronomie)" data-language-autonym="Nederlands" data-language-local-name="Dutch" class="interlanguage-link-target"><span>Nederlands</span></a></li><li class="interlanguage-link interwiki-ja mw-list-item"><a href="https://ja.wikipedia.org/wiki/%E9%8A%80%E6%B2%B3%E3%83%8F%E3%83%AD%E3%83%BC" title="銀河ハロー – Japanese" lang="ja" hreflang="ja" data-title="銀河ハロー" data-language-autonym="日本語" data-language-local-name="Japanese" class="interlanguage-link-target"><span>日本語</span></a></li><li class="interlanguage-link interwiki-no mw-list-item"><a href="https://no.wikipedia.org/wiki/Galaktisk_halo" title="Galaktisk halo – Norwegian Bokmål" lang="nb" hreflang="nb" data-title="Galaktisk halo" data-language-autonym="Norsk bokmål" data-language-local-name="Norwegian 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/Halo_galaktyczne" title="Halo galaktyczne – Polish" lang="pl" hreflang="pl" data-title="Halo galaktyczne" data-language-autonym="Polski" data-language-local-name="Polish" 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/Halo_gal%C3%A1ctico" title="Halo galáctico – Portuguese" lang="pt" hreflang="pt" data-title="Halo galáctico" data-language-autonym="Português" data-language-local-name="Portuguese" 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/Halou_galactic" title="Halou galactic – Romanian" lang="ro" hreflang="ro" data-title="Halou galactic" data-language-autonym="Română" data-language-local-name="Romanian" 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%93%D0%B0%D0%BB%D0%B0%D0%BA%D1%82%D0%B8%D1%87%D0%B5%D1%81%D0%BA%D0%BE%D0%B5_%D0%B3%D0%B0%D0%BB%D0%BE" title="Галактическое гало – Russian" lang="ru" hreflang="ru" data-title="Галактическое гало" data-language-autonym="Русский" data-language-local-name="Russian" class="interlanguage-link-target"><span>Русский</span></a></li><li class="interlanguage-link interwiki-sk mw-list-item"><a href="https://sk.wikipedia.org/wiki/Galaktick%C3%A9_halo" title="Galaktické halo – Slovak" lang="sk" hreflang="sk" data-title="Galaktické halo" data-language-autonym="Slovenčina" data-language-local-name="Slovak" 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/Galakti%C4%8Dni_halo" title="Galaktični halo – Slovenian" lang="sl" hreflang="sl" data-title="Galaktični halo" data-language-autonym="Slovenščina" data-language-local-name="Slovenian" 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/%D0%93%D0%B0%D0%BB%D0%B0%D0%BA%D1%82%D0%B8%D1%87%D0%BA%D0%B8_%D0%A5%D0%B0%D0%BB%D0%BE" title="Галактички Хало – Serbian" lang="sr" hreflang="sr" data-title="Галактички Хало" data-language-autonym="Српски / srpski" data-language-local-name="Serbian" 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/Galaktisk_halo" title="Galaktisk halo – Swedish" lang="sv" hreflang="sv" data-title="Galaktisk halo" data-language-autonym="Svenska" data-language-local-name="Swedish" class="interlanguage-link-target"><span>Svenska</span></a></li><li class="interlanguage-link interwiki-tt mw-list-item"><a href="https://tt.wikipedia.org/wiki/%D0%93%D0%B0%D0%BB%D0%B0%D0%BA%D1%82%D0%B8%D0%BA_%D2%BB%D0%B0%D0%BB%D0%BE" title="Галактик һало – Tatar" lang="tt" hreflang="tt" data-title="Галактик һало" data-language-autonym="Татарча / tatarça" data-language-local-name="Tatar" class="interlanguage-link-target"><span>Татарча / tatarça</span></a></li><li class="interlanguage-link interwiki-th mw-list-item"><a href="https://th.wikipedia.org/wiki/%E0%B8%81%E0%B8%A5%E0%B8%94%E0%B8%94%E0%B8%B2%E0%B8%A3%E0%B8%B2%E0%B8%88%E0%B8%B1%E0%B8%81%E0%B8%A3" title="กลดดาราจักร – Thai" lang="th" hreflang="th" data-title="กลดดาราจักร" data-language-autonym="ไทย" data-language-local-name="Thai" class="interlanguage-link-target"><span>ไทย</span></a></li><li class="interlanguage-link interwiki-tr mw-list-item"><a href="https://tr.wikipedia.org/wiki/Galaksi_halesi" title="Galaksi halesi – Turkish" lang="tr" hreflang="tr" data-title="Galaksi halesi" data-language-autonym="Türkçe" data-language-local-name="Turkish" 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%93%D0%B0%D0%BB%D0%B0%D0%BA%D1%82%D0%B8%D1%87%D0%BD%D0%B5_%D0%B3%D0%B0%D0%BB%D0%BE" title="Галактичне гало – Ukrainian" lang="uk" hreflang="uk" data-title="Галактичне гало" data-language-autonym="Українська" data-language-local-name="Ukrainian" class="interlanguage-link-target"><span>Українська</span></a></li><li class="interlanguage-link interwiki-vi mw-list-item"><a href="https://vi.wikipedia.org/wiki/Qu%E1%BA%A7ng_thi%C3%AAn_h%C3%A0" title="Quầng thiên hà – Vietnamese" lang="vi" hreflang="vi" data-title="Quầng thiên hà" data-language-autonym="Tiếng Việt" data-language-local-name="Vietnamese" 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/%E6%98%9F%E7%B3%BB%E6%99%95" title="星系晕 – Chinese" lang="zh" hreflang="zh" data-title="星系晕" data-language-autonym="中文" data-language-local-name="Chinese" class="interlanguage-link-target"><span>中文</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/Q631379#sitelinks-wikipedia" title="Edit interlanguage links" class="wbc-editpage">Change links</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="Namespaces"> <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/Galactic_halo" title="View the content page [c]" accesskey="c"><span>Page</span></a></li><li id="ca-talk" class="new vector-tab-noicon mw-list-item"><a href="/w/index.php?title=Talk:Galactic_halo&action=edit&redlink=1" rel="discussion" 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class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-appearance.pin">move to sidebar</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-appearance.unpin">hide</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">From Simple English Wikipedia, the free encyclopedia</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="en" dir="ltr"><p>A <b>galactic halo</b> is a roughly <a href="/wiki/Spherical" class="mw-redirect" title="Spherical">spherical</a> part of a galaxy. It extends beyond the main, visible part.<sup id="cite_ref-1" class="reference"><a href="#cite_note-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup> Several components make up the halo:<sup id="cite_ref-2" class="reference"><a href="#cite_note-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-3" class="reference"><a href="#cite_note-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="References">References</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Galactic_halo&veaction=edit&section=1" title="Change section: References" class="mw-editsection-visualeditor"><span>change</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Galactic_halo&action=edit&section=1" title="Edit section's source code: References"><span>change 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class="reflist"> <div class="mw-references-wrap"><ol class="references"> <li id="cite_note-1"><span class="mw-cite-backlink"><a href="#cite_ref-1">↑</a></span> <span class="reference-text"><style data-mw-deduplicate="TemplateStyles:r9724332">.mw-parser-output cite.citation{font-style:inherit;word-wrap:break-word}.mw-parser-output .citation q{quotes:"\"""\"""'""'"}.mw-parser-output .citation:target{background-color:rgba(0,127,255,0.133)}.mw-parser-output .id-lock-free.id-lock-free a{background:url("//upload.wikimedia.org/wikipedia/commons/6/65/Lock-green.svg")right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-limited.id-lock-limited a,.mw-parser-output .id-lock-registration.id-lock-registration a{background:url("//upload.wikimedia.org/wikipedia/commons/d/d6/Lock-gray-alt-2.svg")right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-subscription.id-lock-subscription a{background:url("//upload.wikimedia.org/wikipedia/commons/a/aa/Lock-red-alt-2.svg")right 0.1em center/9px no-repeat}.mw-parser-output .cs1-ws-icon a{background:url("//upload.wikimedia.org/wikipedia/commons/4/4c/Wikisource-logo.svg")right 0.1em center/12px no-repeat}body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-free a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-limited a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-registration a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-subscription a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .cs1-ws-icon a{background-size:contain;padding:0 1em 0 0}.mw-parser-output .cs1-code{color:inherit;background:inherit;border:none;padding:inherit}.mw-parser-output .cs1-hidden-error{display:none;color:var(--color-error,#d33)}.mw-parser-output .cs1-visible-error{color:var(--color-error,#d33)}.mw-parser-output .cs1-maint{display:none;color:#085;margin-left:0.3em}.mw-parser-output .cs1-kern-left{padding-left:0.2em}.mw-parser-output .cs1-kern-right{padding-right:0.2em}.mw-parser-output .citation .mw-selflink{font-weight:inherit}@media screen{.mw-parser-output .cs1-format{font-size:95%}html.skin-theme-clientpref-night .mw-parser-output .cs1-maint{color:#18911f}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .cs1-maint{color:#18911f}}</style><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://openstax.org/details/books/astronomy">"OpenStax Astronomy"</a>. <i>OpenStax</i>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=OpenStax&rft.atitle=OpenStax+Astronomy&rft_id=https%3A%2F%2Fopenstax.org%2Fdetails%2Fbooks%2Fastronomy&rfr_id=info%3Asid%2Fsimple.wikipedia.org%3AGalactic+halo" class="Z3988"></span></span> </li> <li id="cite_note-2"><span class="mw-cite-backlink"><a href="#cite_ref-2">↑</a></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r9724332"><cite id="CITEREFHelmi2008" class="citation journal cs1">Helmi, Amina (June 2008). "The stellar halo of the Galaxy". <i>The Astronomy and Astrophysics Review</i>. <b>15</b> (3): 145–188. <a href="/wiki/ArXiv_(identifier)" class="mw-redirect" title="ArXiv (identifier)">arXiv</a>:<span class="id-lock-free" title="Freely accessible"><a rel="nofollow" class="external text" href="https://arxiv.org/abs/0804.0019">0804.0019</a></span>. <a href="/wiki/Bibcode_(identifier)" class="mw-redirect" title="Bibcode (identifier)">Bibcode</a>:<a rel="nofollow" class="external text" href="https://ui.adsabs.harvard.edu/abs/2008A&ARv..15..145H">2008A&ARv..15..145H</a>. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.1007%2Fs00159-008-0009-6">10.1007/s00159-008-0009-6</a>. <a href="/wiki/ISSN_(identifier)" class="mw-redirect" title="ISSN (identifier)">ISSN</a> <a rel="nofollow" class="external text" href="https://search.worldcat.org/issn/0935-4956">0935-4956</a>. <a href="/wiki/S2CID_(identifier)" class="mw-redirect" title="S2CID (identifier)">S2CID</a> <a rel="nofollow" class="external text" href="https://api.semanticscholar.org/CorpusID:2137586">2137586</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=The+Astronomy+and+Astrophysics+Review&rft.atitle=The+stellar+halo+of+the+Galaxy&rft.volume=15&rft.issue=3&rft.pages=145-188&rft.date=2008-06&rft_id=https%3A%2F%2Fapi.semanticscholar.org%2FCorpusID%3A2137586%23id-name%3DS2CID&rft_id=info%3Abibcode%2F2008A%26ARv..15..145H&rft_id=info%3Aarxiv%2F0804.0019&rft.issn=0935-4956&rft_id=info%3Adoi%2F10.1007%2Fs00159-008-0009-6&rft.aulast=Helmi&rft.aufirst=Amina&rfr_id=info%3Asid%2Fsimple.wikipedia.org%3AGalactic+halo" class="Z3988"></span></span> </li> <li id="cite_note-3"><span class="mw-cite-backlink"><a href="#cite_ref-3">↑</a></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r9724332"><cite id="CITEREFMaoz2016" class="citation book cs1">Maoz, Dan (2016). <i>Astrophysics in a Nutshell</i>. Princeton University Press. <a href="/wiki/ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a> <a href="/wiki/Special:BookSources/978-0-691-16479-3" title="Special:BookSources/978-0-691-16479-3"><bdi>978-0-691-16479-3</bdi></a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=Astrophysics+in+a+Nutshell&rft.pub=Princeton+University+Press&rft.date=2016&rft.isbn=978-0-691-16479-3&rft.aulast=Maoz&rft.aufirst=Dan&rfr_id=info%3Asid%2Fsimple.wikipedia.org%3AGalactic+halo" class="Z3988"></span></span> </li> </ol></div></div> <p><br /> </p> <div class="boilerplate metadata plainlinks" id="stub"><span typeof="mw:File"><a href="/wiki/File:Science-symbol-2.svg" class="mw-file-description"><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/7/75/Science-symbol-2.svg/30px-Science-symbol-2.svg.png" decoding="async" width="30" height="30" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/7/75/Science-symbol-2.svg/45px-Science-symbol-2.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/7/75/Science-symbol-2.svg/60px-Science-symbol-2.svg.png 2x" data-file-width="87" data-file-height="87" /></a></span> <i>This <a href="/wiki/Wikipedia:Stub" title="Wikipedia:Stub">short article</a> about <a href="/wiki/Category:Science_stubs" title="Category:Science stubs">science</a> can be made longer. 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href="/w/index.php?title=Local_Sheet&action=edit&redlink=1" class="new" title="Local Sheet (not yet started)">Local Sheet</a> <span style="font-size:large;">→</span> <a href="/wiki/Virgo_Supercluster" title="Virgo Supercluster">Virgo Supercluster</a> <span style="font-size:large;">→</span> <a href="/w/index.php?title=Laniakea_Supercluster&action=edit&redlink=1" class="new" title="Laniakea Supercluster (not yet started)">Laniakea Supercluster</a> <span style="font-size:large;">→</span> <a href="/w/index.php?title=KBC_Void&action=edit&redlink=1" class="new" title="KBC Void (not yet started)">KBC Void</a> <span style="font-size:large;">→</span> <a href="/wiki/Observable_universe" title="Observable universe">Observable universe</a> <span style="font-size:large;">→</span> <a href="/wiki/Universe" title="Universe">Universe</a><br /><span style="font-size:85%;">Each arrow (<span style="font-size:large;">→</span>) may be read as "within" or "part of".</span></div></td><td class="noviewer navbox-image" rowspan="4" style="width:1px;padding:0 0 0 2px"><div><figure class="mw-halign-right" typeof="mw:File"><a href="/wiki/File:Artist%E2%80%99s_impression_of_the_Milky_Way.jpg" class="mw-file-description" title="The Milky Way Galaxy"><img alt="The Milky Way Galaxy" src="//upload.wikimedia.org/wikipedia/commons/thumb/4/4f/Artist%E2%80%99s_impression_of_the_Milky_Way.jpg/85px-Artist%E2%80%99s_impression_of_the_Milky_Way.jpg" decoding="async" width="85" height="85" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/4/4f/Artist%E2%80%99s_impression_of_the_Milky_Way.jpg/128px-Artist%E2%80%99s_impression_of_the_Milky_Way.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/4/4f/Artist%E2%80%99s_impression_of_the_Milky_Way.jpg/170px-Artist%E2%80%99s_impression_of_the_Milky_Way.jpg 2x" data-file-width="5600" data-file-height="5600" /></a><figcaption>The Milky Way Galaxy</figcaption></figure></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Structure</th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/w/index.php?title=Galactic_Center&action=edit&redlink=1" class="new" title="Galactic Center (not yet started)">Galactic Center</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Sagittarius_A" title="Sagittarius A">Sagittarius A</a></li> <li><a href="/wiki/Sagittarius_A*" title="Sagittarius A*">Sagittarius A*</a> <ul><li><a href="/w/index.php?title=Fermi_bubble&action=edit&redlink=1" class="new" title="Fermi bubble (not yet started)">Fermi bubbles</a></li></ul></li> <li><a href="/wiki/Supermassive_black_hole" title="Supermassive black hole">Supermassive black hole</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/w/index.php?title=Galactic_disc&action=edit&redlink=1" class="new" title="Galactic disc (not yet started)">Disk</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Orion_Arm" title="Orion Arm">Orion–Cygnus</a></li> <li><a href="/wiki/Perseus_Arm" title="Perseus Arm">Perseus</a></li> <li><a href="/w/index.php?title=Carina%E2%80%93Sagittarius_Arm&action=edit&redlink=1" class="new" title="Carina–Sagittarius Arm (not yet started)">Carina–Sagittarius</a></li> <li><a href="/w/index.php?title=Norma_Arm&action=edit&redlink=1" class="new" title="Norma Arm (not yet started)">Norma–Cygnus</a></li> <li><a href="/w/index.php?title=Scutum%E2%80%93Centaurus_Arm&action=edit&redlink=1" class="new" title="Scutum–Centaurus Arm (not yet started)">Scutum–Centaurus</a></li> <li><a href="/w/index.php?title=Near_3_kpc_Arm&action=edit&redlink=1" class="new" title="Near 3 kpc Arm (not yet started)">Near 3 kpc Arm</a></li> <li><a href="/w/index.php?title=Far_3_kpc_Arm&action=edit&redlink=1" class="new" title="Far 3 kpc Arm (not yet started)">Far 3 kpc Arm</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a class="mw-selflink selflink">Halo</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/w/index.php?title=Aquarius_Stream&action=edit&redlink=1" class="new" title="Aquarius Stream (not yet started)">Aquarius Stream</a></li> <li><a href="/w/index.php?title=Fimbulthul_stream&action=edit&redlink=1" class="new" title="Fimbulthul stream (not yet started)">Fimbulthul stream</a></li> <li><a href="/w/index.php?title=Gaia_Sausage&action=edit&redlink=1" class="new" title="Gaia Sausage (not yet started)">Gaia Sausage</a></li> <li><a href="/w/index.php?title=Helmi_stream&action=edit&redlink=1" class="new" title="Helmi stream (not yet started)">Helmi stream</a></li> <li><a href="/w/index.php?title=Magellanic_Stream&action=edit&redlink=1" class="new" title="Magellanic Stream (not yet started)">Magellanic Stream</a></li> <li><a href="/w/index.php?title=Monoceros_Ring&action=edit&redlink=1" class="new" title="Monoceros Ring (not yet started)">Monoceros Ring</a></li> <li><a href="/w/index.php?title=Palomar_5&action=edit&redlink=1" class="new" title="Palomar 5 (not yet started)">Palomar 5</a> stream</li> <li><a href="/w/index.php?title=Pisces-Eridanus_stellar_stream&action=edit&redlink=1" class="new" title="Pisces-Eridanus stellar stream (not yet started)">Pisces-Eridanus stream</a></li> <li><a href="/w/index.php?title=Sagittarius_Stream&action=edit&redlink=1" class="new" title="Sagittarius Stream (not yet started)">Sagittarius Stream</a></li> <li><a href="/w/index.php?title=Virgo_Stellar_Stream&action=edit&redlink=1" class="new" title="Virgo Stellar Stream (not yet started)">Virgo Stream</a></li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/w/index.php?title=Satellite_galaxies_of_the_Milky_Way&action=edit&redlink=1" class="new" title="Satellite galaxies of the Milky Way (not yet started)">Satellite<br />galaxies</a></th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Magellanic_Clouds" title="Magellanic Clouds">Magellanic Clouds</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Large_Magellanic_Cloud" class="mw-redirect" title="Large Magellanic Cloud">Large Magellanic Cloud</a></li> <li><a href="/wiki/Small_Magellanic_Cloud" class="mw-redirect" title="Small Magellanic Cloud">Small Magellanic Cloud</a></li> <li><a href="/w/index.php?title=Magellanic_Bridge&action=edit&redlink=1" class="new" title="Magellanic Bridge (not yet started)">Magellanic Bridge</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Dwarf_galaxy" title="Dwarf galaxy">Dwarfs</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Phoenix_Dwarf" title="Phoenix Dwarf">Phoenix</a></li> <li><a href="/wiki/Sagittarius_Dwarf_Spheroidal_Galaxy" class="mw-redirect" title="Sagittarius Dwarf Spheroidal Galaxy">Sagittarius Spheroidal</a></li> <li><a href="/w/index.php?title=Antlia_II&action=edit&redlink=1" class="new" title="Antlia II (not yet started)">Antlia II</a></li> <li><a href="/w/index.php?title=Bo%C3%B6tes_I&action=edit&redlink=1" class="new" title="Boötes I (not yet started)">Boötes I</a></li> <li><a href="/w/index.php?title=Bo%C3%B6tes_II&action=edit&redlink=1" class="new" title="Boötes II (not yet started)">Boötes II</a></li> <li><a href="/w/index.php?title=Bo%C3%B6tes_III&action=edit&redlink=1" class="new" title="Boötes III (not yet started)">Boötes III</a></li> <li><a href="/w/index.php?title=Canes_Venatici_I&action=edit&redlink=1" class="new" title="Canes Venatici I (not yet started)">Canes Venatici I</a></li> <li><a href="/w/index.php?title=Canes_Venatici_II&action=edit&redlink=1" class="new" title="Canes Venatici II (not yet started)">Canes Venatici II</a></li> <li><a href="/w/index.php?title=Canis_Major_Overdensity&action=edit&redlink=1" class="new" title="Canis Major Overdensity (not yet started)">Canis Major</a></li> <li><a href="/w/index.php?title=Carina_Dwarf_Spheroidal_Galaxy&action=edit&redlink=1" class="new" title="Carina Dwarf Spheroidal Galaxy (not yet started)">Carina</a></li> <li><a href="/w/index.php?title=Coma_Berenices_(dwarf_galaxy)&action=edit&redlink=1" class="new" title="Coma Berenices (dwarf galaxy) (not yet started)">Coma Berenices</a></li> <li><a href="/w/index.php?title=Crater_2_Dwarf&action=edit&redlink=1" class="new" title="Crater 2 Dwarf (not yet started)">Crater 2</a></li> <li><a href="/w/index.php?title=Draco_Dwarf&action=edit&redlink=1" class="new" title="Draco Dwarf (not yet started)">Draco</a></li> <li><a href="/w/index.php?title=Eridanus_II&action=edit&redlink=1" class="new" title="Eridanus II (not yet started)">Eridanus II</a></li> <li><a href="/w/index.php?title=Fornax_Dwarf&action=edit&redlink=1" class="new" title="Fornax Dwarf (not yet started)">Fornax</a></li> <li><a href="/w/index.php?title=Hercules_(dwarf_galaxy)&action=edit&redlink=1" class="new" title="Hercules (dwarf galaxy) (not yet started)">Hercules</a></li> <li><a href="/w/index.php?title=Leo_I_(dwarf_galaxy)&action=edit&redlink=1" class="new" title="Leo I (dwarf galaxy) (not yet started)">Leo I</a></li> <li><a href="/w/index.php?title=Leo_II_(dwarf_galaxy)&action=edit&redlink=1" class="new" title="Leo II (dwarf galaxy) (not yet started)">Leo II</a></li> <li><a href="/w/index.php?title=Leo_IV_(dwarf_galaxy)&action=edit&redlink=1" class="new" title="Leo IV (dwarf galaxy) (not yet started)">Leo IV</a></li> <li><a href="/w/index.php?title=Leo_V_(dwarf_galaxy)&action=edit&redlink=1" class="new" title="Leo V (dwarf galaxy) (not yet started)">Leo V</a></li> <li><a href="/w/index.php?title=Leo_T&action=edit&redlink=1" class="new" title="Leo T (not yet started)">Leo T</a></li> <li><a href="/w/index.php?title=Pisces_Overdensity&action=edit&redlink=1" class="new" title="Pisces Overdensity (not yet started)">Pisces Overdensity</a></li> <li><a href="/w/index.php?title=Pisces_II&action=edit&redlink=1" class="new" title="Pisces II (not yet started)">Pisces II</a></li> <li><a href="/w/index.php?title=Reticulum_II&action=edit&redlink=1" class="new" title="Reticulum II (not yet started)">Reticulum II</a></li> <li><a href="/w/index.php?title=Segue_1&action=edit&redlink=1" class="new" title="Segue 1 (not yet started)">Segue 1</a></li> <li><a href="/w/index.php?title=Segue_2&action=edit&redlink=1" class="new" title="Segue 2 (not yet started)">Segue 2</a></li> <li><a href="/w/index.php?title=Sculptor_Dwarf_Galaxy&action=edit&redlink=1" class="new" title="Sculptor Dwarf Galaxy (not yet started)">Sculptor</a></li> <li><a href="/w/index.php?title=Sextans_Dwarf_Spheroidal&action=edit&redlink=1" class="new" title="Sextans Dwarf Spheroidal (not yet started)">Sextans</a></li> <li><a href="/w/index.php?title=Triangulum_II&action=edit&redlink=1" class="new" title="Triangulum II (not yet started)">Triangulum II</a></li> <li><a href="/w/index.php?title=Ursa_Major_I_Dwarf&action=edit&redlink=1" class="new" title="Ursa Major I Dwarf (not yet started)">Ursa Major I</a></li> <li><a href="/w/index.php?title=Ursa_Major_II_Dwarf&action=edit&redlink=1" class="new" title="Ursa Major II Dwarf (not yet started)">Ursa Major II</a></li> <li><a href="/w/index.php?title=Ursa_Minor_Dwarf&action=edit&redlink=1" class="new" title="Ursa Minor Dwarf (not yet started)">Ursa Minor</a></li> <li><a href="/w/index.php?title=Virgo_I&action=edit&redlink=1" class="new" title="Virgo I (not yet started)">Virgo I</a></li> <li><a href="/w/index.php?title=Willman_1&action=edit&redlink=1" class="new" title="Willman 1 (not yet started)">Willman 1</a></li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Related</th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Zone_of_Avoidance" title="Zone of Avoidance">Zone of Avoidance</a></li> <li><a href="/w/index.php?title=List_of_names_for_the_Milky_Way&action=edit&redlink=1" class="new" title="List of names for the Milky Way (not yet started)">Alternate names</a></li> <li><a href="/w/index.php?title=Andromeda%E2%80%93Milky_Way_collision&action=edit&redlink=1" class="new" title="Andromeda–Milky Way collision (not yet started)">Andromeda–Milky Way collision</a></li> <li><a href="/w/index.php?title=Baade%27s_Window&action=edit&redlink=1" class="new" title="Baade's Window (not yet started)">Baade's Window</a></li> <li><a href="/w/index.php?title=Milky_Way_(mythology)&action=edit&redlink=1" class="new" title="Milky Way (mythology) (not yet started)">In mythology</a></li></ul> </div></td></tr></tbody></table></div>    </div><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="">Retrieved from "<a dir="ltr" href="https://simple.wikipedia.org/w/index.php?title=Galactic_halo&oldid=9039290">https://simple.wikipedia.org/w/index.php?title=Galactic_halo&oldid=9039290</a>"</div></div> <div id="catlinks" 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