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class="vector-icon mw-ui-icon-logIn mw-ui-icon-wikimedia-logIn"></span> <span>Logg inn</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"></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="Nettsted"> <div id="vector-main-menu-pinned-container" class="vector-pinned-container"> </div> </nav> </div> </div> </div> <div class="mw-content-container"> <main id="content" class="mw-body"> <header class="mw-body-header vector-page-titlebar"> <h1 id="firstHeading" class="firstHeading mw-first-heading"><span class="mw-page-title-namespace">Portal</span><span class="mw-page-title-separator">:</span><span class="mw-page-title-main">Astronomi</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="Gå til en artikkel på et annet språk. Tilgjengelig på 65 språk" > <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-65" 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">65 språk</span> </label> <div class="vector-dropdown-content"> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="interlanguage-link interwiki-da mw-list-item"><a href="https://da.wikipedia.org/wiki/Portal:Astronomi" title="Portal:Astronomi – dansk" lang="da" hreflang="da" data-title="Portal:Astronomi" data-language-autonym="Dansk" data-language-local-name="dansk" class="interlanguage-link-target"><span>Dansk</span></a></li><li class="interlanguage-link interwiki-sv mw-list-item"><a href="https://sv.wikipedia.org/wiki/Portal:Astronomi" title="Portal:Astronomi – svensk" lang="sv" hreflang="sv" data-title="Portal:Astronomi" data-language-autonym="Svenska" data-language-local-name="svensk" class="interlanguage-link-target"><span>Svenska</span></a></li><li class="interlanguage-link interwiki-af mw-list-item"><a href="https://af.wikipedia.org/wiki/Portaal:Sterrekunde" title="Portaal:Sterrekunde – afrikaans" lang="af" hreflang="af" data-title="Portaal:Sterrekunde" data-language-autonym="Afrikaans" data-language-local-name="afrikaans" class="interlanguage-link-target"><span>Afrikaans</span></a></li><li class="interlanguage-link interwiki-ar badge-Q17580674 badge-featuredportal mw-list-item" title="god portal"><a href="https://ar.wikipedia.org/wiki/%D8%A8%D9%88%D8%A7%D8%A8%D8%A9:%D8%B9%D9%84%D9%85_%D8%A7%D9%84%D9%81%D9%84%D9%83" title="بوابة:علم الفلك – arabisk" lang="ar" hreflang="ar" data-title="بوابة:علم الفلك" data-language-autonym="العربية" data-language-local-name="arabisk" class="interlanguage-link-target"><span>العربية</span></a></li><li class="interlanguage-link interwiki-gn mw-list-item"><a href="https://gn.wikipedia.org/wiki/Ok%E1%BA%BDndusu:Mbyjakuaa" title="Okẽndusu:Mbyjakuaa – guarani" lang="gn" hreflang="gn" data-title="Okẽndusu:Mbyjakuaa" data-language-autonym="Avañe'ẽ" data-language-local-name="guarani" class="interlanguage-link-target"><span>Avañe'ẽ</span></a></li><li class="interlanguage-link interwiki-az mw-list-item"><a href="https://az.wikipedia.org/wiki/Portal:Astronomiya" title="Portal:Astronomiya – aserbajdsjansk" lang="az" hreflang="az" data-title="Portal:Astronomiya" data-language-autonym="Azərbaycanca" data-language-local-name="aserbajdsjansk" class="interlanguage-link-target"><span>Azərbaycanca</span></a></li><li class="interlanguage-link interwiki-bn mw-list-item"><a href="https://bn.wikipedia.org/wiki/%E0%A6%AA%E0%A7%8D%E0%A6%B0%E0%A6%AC%E0%A7%87%E0%A6%B6%E0%A6%A6%E0%A7%8D%E0%A6%AC%E0%A6%BE%E0%A6%B0:%E0%A6%9C%E0%A7%8D%E0%A6%AF%E0%A7%8B%E0%A6%A4%E0%A6%BF%E0%A6%B0%E0%A7%8D%E0%A6%AC%E0%A6%BF%E0%A6%9C%E0%A7%8D%E0%A6%9E%E0%A6%BE%E0%A6%A8" title="প্রবেশদ্বার:জ্যোতির্বিজ্ঞান – bengali" lang="bn" hreflang="bn" data-title="প্রবেশদ্বার:জ্যোতির্বিজ্ঞান" data-language-autonym="বাংলা" data-language-local-name="bengali" 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%9F%D0%B0%D1%80%D1%82%D0%B0%D0%BB:%D0%90%D1%81%D1%82%D1%80%D0%B0%D0%BD%D0%BE%D0%BC%D1%96%D1%8F" title="Партал:Астраномія – belarusisk" lang="be" hreflang="be" data-title="Партал:Астраномія" data-language-autonym="Беларуская" data-language-local-name="belarusisk" class="interlanguage-link-target"><span>Беларуская</span></a></li><li class="interlanguage-link interwiki-bg mw-list-item"><a href="https://bg.wikipedia.org/wiki/%D0%9F%D0%BE%D1%80%D1%82%D0%B0%D0%BB:%D0%90%D1%81%D1%82%D1%80%D0%BE%D0%BD%D0%BE%D0%BC%D0%B8%D1%8F" title="Портал:Астрономия – bulgarsk" lang="bg" hreflang="bg" data-title="Портал:Астрономия" data-language-autonym="Български" data-language-local-name="bulgarsk" class="interlanguage-link-target"><span>Български</span></a></li><li class="interlanguage-link interwiki-bs mw-list-item"><a href="https://bs.wikipedia.org/wiki/Portal:Astronomija" title="Portal:Astronomija – bosnisk" lang="bs" hreflang="bs" data-title="Portal:Astronomija" data-language-autonym="Bosanski" data-language-local-name="bosnisk" class="interlanguage-link-target"><span>Bosanski</span></a></li><li class="interlanguage-link interwiki-ca mw-list-item"><a href="https://ca.wikipedia.org/wiki/Portal:Astronomia" title="Portal:Astronomia – katalansk" lang="ca" hreflang="ca" data-title="Portal:Astronomia" data-language-autonym="Català" data-language-local-name="katalansk" 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/Port%C3%A1l:Astronomie" title="Portál:Astronomie – tsjekkisk" lang="cs" hreflang="cs" data-title="Portál:Astronomie" data-language-autonym="Čeština" data-language-local-name="tsjekkisk" class="interlanguage-link-target"><span>Čeština</span></a></li><li class="interlanguage-link interwiki-de badge-Q17580674 badge-featuredportal mw-list-item" title="god portal"><a href="https://de.wikipedia.org/wiki/Portal:Astronomie" title="Portal:Astronomie – tysk" lang="de" hreflang="de" data-title="Portal:Astronomie" data-language-autonym="Deutsch" data-language-local-name="tysk" class="interlanguage-link-target"><span>Deutsch</span></a></li><li class="interlanguage-link interwiki-et mw-list-item"><a href="https://et.wikipedia.org/wiki/Portaal:Astronoomia" title="Portaal:Astronoomia – estisk" lang="et" hreflang="et" data-title="Portaal:Astronoomia" data-language-autonym="Eesti" data-language-local-name="estisk" class="interlanguage-link-target"><span>Eesti</span></a></li><li class="interlanguage-link interwiki-el mw-list-item"><a href="https://el.wikipedia.org/wiki/%CE%A0%CF%8D%CE%BB%CE%B7:%CE%91%CF%83%CF%84%CF%81%CE%BF%CE%BD%CE%BF%CE%BC%CE%AF%CE%B1" title="Πύλη:Αστρονομία – gresk" lang="el" hreflang="el" data-title="Πύλη:Αστρονομία" data-language-autonym="Ελληνικά" data-language-local-name="gresk" 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/Portal:Astronomy" title="Portal:Astronomy – engelsk" lang="en" hreflang="en" data-title="Portal:Astronomy" data-language-autonym="English" data-language-local-name="engelsk" 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/Portal:Astronom%C3%ADa" title="Portal:Astronomía – spansk" lang="es" hreflang="es" data-title="Portal:Astronomía" data-language-autonym="Español" data-language-local-name="spansk" 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/Portalo:Astronomio" title="Portalo:Astronomio – esperanto" lang="eo" hreflang="eo" data-title="Portalo:Astronomio" data-language-autonym="Esperanto" data-language-local-name="esperanto" class="interlanguage-link-target"><span>Esperanto</span></a></li><li class="interlanguage-link interwiki-eu mw-list-item"><a href="https://eu.wikipedia.org/wiki/Atari:Astronomia" title="Atari:Astronomia – baskisk" lang="eu" hreflang="eu" data-title="Atari:Astronomia" data-language-autonym="Euskara" data-language-local-name="baskisk" class="interlanguage-link-target"><span>Euskara</span></a></li><li class="interlanguage-link interwiki-fa badge-Q17580674 badge-featuredportal mw-list-item" title="god portal"><a href="https://fa.wikipedia.org/wiki/%D8%AF%D8%B1%DA%AF%D8%A7%D9%87:%D8%A7%D8%AE%D8%AA%D8%B1%D8%B4%D9%86%D8%A7%D8%B3%DB%8C" title="درگاه:اخترشناسی – persisk" lang="fa" hreflang="fa" data-title="درگاه:اخترشناسی" data-language-autonym="فارسی" data-language-local-name="persisk" 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/Portail:Astronomie" title="Portail:Astronomie – fransk" lang="fr" hreflang="fr" data-title="Portail:Astronomie" data-language-autonym="Français" data-language-local-name="fransk" 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/%ED%8F%AC%ED%84%B8:%EC%B2%9C%EB%AC%B8%ED%95%99" title="포털:천문학 – koreansk" lang="ko" hreflang="ko" data-title="포털:천문학" data-language-autonym="한국어" data-language-local-name="koreansk" 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/%D5%8A%D5%B8%D6%80%D5%BF%D5%A1%D5%AC:%D4%B1%D5%BD%D5%BF%D5%B2%D5%A1%D5%A3%D5%AB%D5%BF%D5%B8%D6%82%D5%A9%D5%B5%D5%B8%D6%82%D5%B6" title="Պորտալ:Աստղագիտություն – armensk" lang="hy" hreflang="hy" data-title="Պորտալ:Աստղագիտություն" data-language-autonym="Հայերեն" data-language-local-name="armensk" 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%AA%E0%A5%8D%E0%A4%B0%E0%A4%B5%E0%A5%87%E0%A4%B6%E0%A4%A6%E0%A5%8D%E0%A4%B5%E0%A4%BE%E0%A4%B0:%E0%A4%96%E0%A4%97%E0%A5%8B%E0%A4%B2%E0%A4%B6%E0%A4%BE%E0%A4%B8%E0%A5%8D%E0%A4%A4%E0%A5%8D%E0%A4%B0" title="प्रवेशद्वार:खगोलशास्त्र – hindi" lang="hi" hreflang="hi" data-title="प्रवेशद्वार:खगोलशास्त्र" data-language-autonym="हिन्दी" data-language-local-name="hindi" class="interlanguage-link-target"><span>हिन्दी</span></a></li><li class="interlanguage-link interwiki-id mw-list-item"><a href="https://id.wikipedia.org/wiki/Portal:Astronomi" title="Portal:Astronomi – indonesisk" lang="id" hreflang="id" data-title="Portal:Astronomi" data-language-autonym="Bahasa Indonesia" data-language-local-name="indonesisk" 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/Portale:Astronomia" title="Portale:Astronomia – italiensk" lang="it" hreflang="it" data-title="Portale:Astronomia" data-language-autonym="Italiano" data-language-local-name="italiensk" class="interlanguage-link-target"><span>Italiano</span></a></li><li class="interlanguage-link interwiki-he mw-list-item"><a href="https://he.wikipedia.org/wiki/%D7%A4%D7%95%D7%A8%D7%98%D7%9C:%D7%9E%D7%93%D7%A2%D7%99_%D7%94%D7%97%D7%9C%D7%9C" title="פורטל:מדעי החלל – hebraisk" lang="he" hreflang="he" data-title="פורטל:מדעי החלל" data-language-autonym="עברית" data-language-local-name="hebraisk" class="interlanguage-link-target"><span>עברית</span></a></li><li class="interlanguage-link interwiki-ka mw-list-item"><a href="https://ka.wikipedia.org/wiki/%E1%83%9E%E1%83%9D%E1%83%A0%E1%83%A2%E1%83%90%E1%83%9A%E1%83%98:%E1%83%90%E1%83%A1%E1%83%A2%E1%83%A0%E1%83%9D%E1%83%9C%E1%83%9D%E1%83%9B%E1%83%98%E1%83%90" title="პორტალი:ასტრონომია – georgisk" lang="ka" hreflang="ka" data-title="პორტალი:ასტრონომია" data-language-autonym="ქართული" data-language-local-name="georgisk" class="interlanguage-link-target"><span>ქართული</span></a></li><li class="interlanguage-link interwiki-kk mw-list-item"><a href="https://kk.wikipedia.org/wiki/%D0%9F%D0%BE%D1%80%D1%82%D0%B0%D0%BB:%D0%90%D1%81%D1%82%D1%80%D0%BE%D0%BD%D0%BE%D0%BC%D0%B8%D1%8F" title="Портал:Астрономия – kasakhisk" lang="kk" hreflang="kk" data-title="Портал:Астрономия" data-language-autonym="Қазақша" data-language-local-name="kasakhisk" class="interlanguage-link-target"><span>Қазақша</span></a></li><li class="interlanguage-link interwiki-lv mw-list-item"><a href="https://lv.wikipedia.org/wiki/Port%C4%81ls:Astronomija" title="Portāls:Astronomija – latvisk" lang="lv" hreflang="lv" data-title="Portāls:Astronomija" data-language-autonym="Latviešu" data-language-local-name="latvisk" 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/Portal:Astronomie" title="Portal:Astronomie – luxemburgsk" lang="lb" hreflang="lb" data-title="Portal:Astronomie" data-language-autonym="Lëtzebuergesch" data-language-local-name="luxemburgsk" 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/Vikisritis:Astronomija" title="Vikisritis:Astronomija – litauisk" lang="lt" hreflang="lt" data-title="Vikisritis:Astronomija" data-language-autonym="Lietuvių" data-language-local-name="litauisk" class="interlanguage-link-target"><span>Lietuvių</span></a></li><li class="interlanguage-link interwiki-hu mw-list-item"><a href="https://hu.wikipedia.org/wiki/Port%C3%A1l:Csillag%C3%A1szat" title="Portál:Csillagászat – ungarsk" lang="hu" hreflang="hu" data-title="Portál:Csillagászat" data-language-autonym="Magyar" data-language-local-name="ungarsk" class="interlanguage-link-target"><span>Magyar</span></a></li><li class="interlanguage-link interwiki-mk mw-list-item"><a href="https://mk.wikipedia.org/wiki/%D0%9F%D0%BE%D1%80%D1%82%D0%B0%D0%BB:%D0%90%D1%81%D1%82%D1%80%D0%BE%D0%BD%D0%BE%D0%BC%D0%B8%D1%98%D0%B0" title="Портал:Астрономија – makedonsk" lang="mk" hreflang="mk" data-title="Портал:Астрономија" data-language-autonym="Македонски" data-language-local-name="makedonsk" class="interlanguage-link-target"><span>Македонски</span></a></li><li class="interlanguage-link interwiki-ml mw-list-item"><a href="https://ml.wikipedia.org/wiki/%E0%B4%95%E0%B4%B5%E0%B4%BE%E0%B4%9F%E0%B4%82:%E0%B4%9C%E0%B5%8D%E0%B4%AF%E0%B5%8B%E0%B4%A4%E0%B4%BF%E0%B4%83%E0%B4%B6%E0%B4%BE%E0%B4%B8%E0%B5%8D%E0%B4%A4%E0%B5%8D%E0%B4%B0%E0%B4%82" title="കവാടം:ജ്യോതിഃശാസ്ത്രം – malayalam" lang="ml" hreflang="ml" data-title="കവാടം:ജ്യോതിഃശാസ്ത്രം" data-language-autonym="മലയാളം" data-language-local-name="malayalam" class="interlanguage-link-target"><span>മലയാളം</span></a></li><li class="interlanguage-link interwiki-arz mw-list-item"><a href="https://arz.wikipedia.org/wiki/%D8%A8%D9%88%D8%A7%D8%A8%D8%A9:%D8%B9%D9%84%D9%85_%D8%A7%D9%84%D9%81%D9%84%D9%83" title="بوابة:علم الفلك – egyptisk arabisk" lang="arz" hreflang="arz" data-title="بوابة:علم الفلك" data-language-autonym="مصرى" data-language-local-name="egyptisk arabisk" class="interlanguage-link-target"><span>مصرى</span></a></li><li class="interlanguage-link interwiki-ms mw-list-item"><a href="https://ms.wikipedia.org/wiki/Portal:Astronomi" title="Portal:Astronomi – malayisk" lang="ms" hreflang="ms" data-title="Portal:Astronomi" data-language-autonym="Bahasa Melayu" data-language-local-name="malayisk" class="interlanguage-link-target"><span>Bahasa Melayu</span></a></li><li class="interlanguage-link interwiki-nl mw-list-item"><a href="https://nl.wikipedia.org/wiki/Portaal:Astronomie" title="Portaal:Astronomie – nederlandsk" lang="nl" hreflang="nl" data-title="Portaal:Astronomie" data-language-autonym="Nederlands" data-language-local-name="nederlandsk" 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/Portal:%E5%A4%A9%E6%96%87%E5%AD%A6" title="Portal:天文学 – japansk" lang="ja" hreflang="ja" data-title="Portal:天文学" data-language-autonym="日本語" data-language-local-name="japansk" class="interlanguage-link-target"><span>日本語</span></a></li><li class="interlanguage-link interwiki-uz mw-list-item"><a href="https://uz.wikipedia.org/wiki/Portal:Astronomiya" title="Portal:Astronomiya – usbekisk" lang="uz" hreflang="uz" data-title="Portal:Astronomiya" data-language-autonym="Oʻzbekcha / ўзбекча" data-language-local-name="usbekisk" class="interlanguage-link-target"><span>Oʻzbekcha / ўзбекча</span></a></li><li class="interlanguage-link interwiki-pnb mw-list-item"><a href="https://pnb.wikipedia.org/wiki/%D8%A8%D9%88%D8%A2:_%D8%AA%D8%A7%D8%B1%DB%81_%D9%BE%DA%91%DA%BE%D8%AA" title="بوآ: تارہ پڑھت – vestpunjabi" lang="pnb" hreflang="pnb" data-title="بوآ: تارہ پڑھت" data-language-autonym="پنجابی" data-language-local-name="vestpunjabi" class="interlanguage-link-target"><span>پنجابی</span></a></li><li class="interlanguage-link interwiki-ps mw-list-item"><a href="https://ps.wikipedia.org/wiki/%D8%AA%D8%A7%D9%86%D8%A8%D9%87:%D8%B3%D8%AA%D9%88%D8%B1%D9%BE%D9%88%D9%87%D9%86%D9%87" title="تانبه:ستورپوهنه – pashto" lang="ps" hreflang="ps" data-title="تانبه:ستورپوهنه" data-language-autonym="پښتو" data-language-local-name="pashto" class="interlanguage-link-target"><span>پښتو</span></a></li><li class="interlanguage-link interwiki-pl mw-list-item"><a href="https://pl.wikipedia.org/wiki/Portal:Astronomia" title="Portal:Astronomia – polsk" lang="pl" hreflang="pl" data-title="Portal:Astronomia" data-language-autonym="Polski" data-language-local-name="polsk" 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/Portal:Astronomia" title="Portal:Astronomia – portugisisk" lang="pt" hreflang="pt" data-title="Portal:Astronomia" data-language-autonym="Português" data-language-local-name="portugisisk" class="interlanguage-link-target"><span>Português</span></a></li><li class="interlanguage-link interwiki-crh mw-list-item"><a href="https://crh.wikipedia.org/wiki/Vikipediya:Portal:Astronomiya" title="Vikipediya:Portal:Astronomiya – krimtatarisk" lang="crh" hreflang="crh" data-title="Vikipediya:Portal:Astronomiya" data-language-autonym="Qırımtatarca" data-language-local-name="krimtatarisk" class="interlanguage-link-target"><span>Qırımtatarca</span></a></li><li class="interlanguage-link interwiki-ro mw-list-item"><a href="https://ro.wikipedia.org/wiki/Portal:Astronomie" title="Portal:Astronomie – rumensk" lang="ro" hreflang="ro" data-title="Portal:Astronomie" data-language-autonym="Română" data-language-local-name="rumensk" class="interlanguage-link-target"><span>Română</span></a></li><li class="interlanguage-link interwiki-qu mw-list-item"><a href="https://qu.wikipedia.org/wiki/Punku_p%27anqa:_Quyllur_yachay" title="Punku p'anqa: Quyllur yachay – quechua" lang="qu" hreflang="qu" data-title="Punku p'anqa: Quyllur yachay" data-language-autonym="Runa Simi" data-language-local-name="quechua" class="interlanguage-link-target"><span>Runa Simi</span></a></li><li class="interlanguage-link interwiki-ru badge-Q17580674 badge-featuredportal mw-list-item" title="god portal"><a href="https://ru.wikipedia.org/wiki/%D0%9F%D0%BE%D1%80%D1%82%D0%B0%D0%BB:%D0%90%D1%81%D1%82%D1%80%D0%BE%D0%BD%D0%BE%D0%BC%D0%B8%D1%8F" title="Портал:Астрономия – russisk" lang="ru" hreflang="ru" data-title="Портал:Астрономия" data-language-autonym="Русский" data-language-local-name="russisk" class="interlanguage-link-target"><span>Русский</span></a></li><li class="interlanguage-link interwiki-si mw-list-item"><a href="https://si.wikipedia.org/wiki/%E0%B6%AF%E0%B7%8A%E0%B7%80%E0%B7%8F%E0%B6%BB%E0%B6%BA:%E0%B6%AD%E0%B7%8F%E0%B6%BB%E0%B6%9A%E0%B7%8F_%E0%B7%80%E0%B7%92%E0%B6%AF%E0%B7%8A%E2%80%8D%E0%B6%BA%E0%B7%8F%E0%B7%80" title="ද්වාරය:තාරකා විද්‍යාව – singalesisk" lang="si" hreflang="si" data-title="ද්වාරය:තාරකා විද්‍යාව" data-language-autonym="සිංහල" data-language-local-name="singalesisk" class="interlanguage-link-target"><span>සිංහල</span></a></li><li class="interlanguage-link interwiki-sd mw-list-item"><a href="https://sd.wikipedia.org/wiki/%D8%A8%D8%A7%D8%A8:%D9%81%D9%84%DA%AA%D9%8A%D8%A7%D8%AA" title="باب:فلڪيات – sindhi" lang="sd" hreflang="sd" data-title="باب:فلڪيات" data-language-autonym="سنڌي" data-language-local-name="sindhi" class="interlanguage-link-target"><span>سنڌي</span></a></li><li class="interlanguage-link interwiki-sk mw-list-item"><a href="https://sk.wikipedia.org/wiki/Port%C3%A1l:Astron%C3%B3mia" title="Portál:Astronómia – slovakisk" lang="sk" hreflang="sk" data-title="Portál:Astronómia" data-language-autonym="Slovenčina" data-language-local-name="slovakisk" 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/Portal:Astronomija" title="Portal:Astronomija – slovensk" lang="sl" hreflang="sl" data-title="Portal:Astronomija" data-language-autonym="Slovenščina" data-language-local-name="slovensk" class="interlanguage-link-target"><span>Slovenščina</span></a></li><li class="interlanguage-link interwiki-so mw-list-item"><a href="https://so.wikipedia.org/wiki/Portal:Cilmi_Fallag" title="Portal:Cilmi Fallag – somali" lang="so" hreflang="so" data-title="Portal:Cilmi Fallag" data-language-autonym="Soomaaliga" data-language-local-name="somali" class="interlanguage-link-target"><span>Soomaaliga</span></a></li><li class="interlanguage-link interwiki-ckb mw-list-item"><a href="https://ckb.wikipedia.org/wiki/%D8%AF%DB%95%D8%B1%D9%88%D8%A7%D8%B2%DB%95:%DA%AF%DB%95%D8%B1%D8%AF%D9%88%D9%88%D9%86" title="دەروازە:گەردوون – sentralkurdisk" lang="ckb" hreflang="ckb" data-title="دەروازە:گەردوون" data-language-autonym="کوردی" data-language-local-name="sentralkurdisk" class="interlanguage-link-target"><span>کوردی</span></a></li><li class="interlanguage-link interwiki-sr mw-list-item"><a href="https://sr.wikipedia.org/wiki/%D0%9F%D0%BE%D1%80%D1%82%D0%B0%D0%BB:%D0%90%D1%81%D1%82%D1%80%D0%BE%D0%BD%D0%BE%D0%BC%D0%B8%D1%98%D0%B0" title="Портал:Астрономија – serbisk" lang="sr" hreflang="sr" data-title="Портал:Астрономија" data-language-autonym="Српски / srpski" data-language-local-name="serbisk" class="interlanguage-link-target"><span>Српски / srpski</span></a></li><li class="interlanguage-link interwiki-fi mw-list-item"><a href="https://fi.wikipedia.org/wiki/Teemasivu:T%C3%A4htitiede" title="Teemasivu:Tähtitiede – finsk" lang="fi" hreflang="fi" data-title="Teemasivu:Tähtitiede" data-language-autonym="Suomi" data-language-local-name="finsk" class="interlanguage-link-target"><span>Suomi</span></a></li><li class="interlanguage-link interwiki-ta mw-list-item"><a href="https://ta.wikipedia.org/wiki/%E0%AE%B5%E0%AE%B2%E0%AF%88%E0%AE%B5%E0%AE%BE%E0%AE%9A%E0%AE%B2%E0%AF%8D:%E0%AE%B5%E0%AE%BE%E0%AE%A9%E0%AE%BF%E0%AE%AF%E0%AE%B2%E0%AF%8D" title="வலைவாசல்:வானியல் – tamil" lang="ta" hreflang="ta" data-title="வலைவாசல்:வானியல்" data-language-autonym="தமிழ்" data-language-local-name="tamil" class="interlanguage-link-target"><span>தமிழ்</span></a></li><li class="interlanguage-link interwiki-tt mw-list-item"><a href="https://tt.wikipedia.org/wiki/%D0%9F%D0%BE%D1%80%D1%82%D0%B0%D0%BB:%D0%90%D1%81%D1%82%D1%80%D0%BE%D0%BD%D0%BE%D0%BC%D0%B8%D1%8F" title="Портал:Астрономия – tatarisk" lang="tt" hreflang="tt" data-title="Портал:Астрономия" data-language-autonym="Татарча / tatarça" data-language-local-name="tatarisk" 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%AA%E0%B8%96%E0%B8%B2%E0%B8%99%E0%B8%B5%E0%B8%A2%E0%B9%88%E0%B8%AD%E0%B8%A2:%E0%B8%94%E0%B8%B2%E0%B8%A3%E0%B8%B2%E0%B8%A8%E0%B8%B2%E0%B8%AA%E0%B8%95%E0%B8%A3%E0%B9%8C" title="สถานีย่อย:ดาราศาสตร์ – thai" lang="th" hreflang="th" data-title="สถานีย่อย:ดาราศาสตร์" 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/Portal:Astronomi" title="Portal:Astronomi – tyrkisk" lang="tr" hreflang="tr" data-title="Portal:Astronomi" data-language-autonym="Türkçe" data-language-local-name="tyrkisk" 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%9F%D0%BE%D1%80%D1%82%D0%B0%D0%BB:%D0%90%D1%81%D1%82%D1%80%D0%BE%D0%BD%D0%BE%D0%BC%D1%96%D1%8F" title="Портал:Астрономія – ukrainsk" lang="uk" hreflang="uk" data-title="Портал:Астрономія" data-language-autonym="Українська" data-language-local-name="ukrainsk" class="interlanguage-link-target"><span>Українська</span></a></li><li class="interlanguage-link interwiki-ur mw-list-item"><a href="https://ur.wikipedia.org/wiki/%D8%A8%D8%A7%D8%A8:%D9%81%D9%84%DA%A9%DB%8C%D8%A7%D8%AA" title="باب:فلکیات – urdu" lang="ur" hreflang="ur" data-title="باب:فلکیات" data-language-autonym="اردو" data-language-local-name="urdu" class="interlanguage-link-target"><span>اردو</span></a></li><li class="interlanguage-link interwiki-vi badge-Q17580674 badge-featuredportal mw-list-item" title="god portal"><a href="https://vi.wikipedia.org/wiki/C%E1%BB%95ng_th%C3%B4ng_tin:Thi%C3%AAn_v%C4%83n_h%E1%BB%8Dc" title="Cổng thông tin:Thiên văn học – vietnamesisk" lang="vi" hreflang="vi" data-title="Cổng thông tin:Thiên văn học" data-language-autonym="Tiếng Việt" data-language-local-name="vietnamesisk" class="interlanguage-link-target"><span>Tiếng Việt</span></a></li><li class="interlanguage-link interwiki-zh-yue mw-list-item"><a href="https://zh-yue.wikipedia.org/wiki/Portal:%E5%A4%A9%E6%96%87" title="Portal:天文 – kantonesisk" lang="yue" hreflang="yue" data-title="Portal:天文" data-language-autonym="粵語" data-language-local-name="kantonesisk" class="interlanguage-link-target"><span>粵語</span></a></li><li class="interlanguage-link interwiki-zh mw-list-item"><a href="https://zh.wikipedia.org/wiki/Portal:%E5%A4%A9%E6%96%87%E5%AD%A6" title="Portal:天文学 – kinesisk" lang="zh" hreflang="zh" data-title="Portal:天文学" data-language-autonym="中文" data-language-local-name="kinesisk" 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/Q3248453#sitelinks-wikipedia" title="Rediger lenker til artikkelen på andre språk" class="wbc-editpage">Rediger lenker</a></span></div> </div> </div> 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<div id="siteSub" class="noprint">Fra Wikipedia, den frie encyklopedi</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="nb" dir="ltr"><table cellpadding="0" width="100%" style="height:70px; border:1px solid #999999; background-color:#00003f;"> <tbody><tr> <td><figure class="mw-halign-center" typeof="mw:File"><a href="/wiki/Astronomi" title="Astronomi"><img src="//upload.wikimedia.org/wikipedia/commons/4/49/Projekt_astronomi.gif" decoding="async" width="658" height="106" class="mw-file-element" data-file-width="643" data-file-height="104" /></a><figcaption></figcaption></figure> </td></tr></tbody></table> <table border="0" cellspacing="0" cellpadding="0" style="width:100%; background:#f5f5f5; border:1px solid #00003f; font-size:95%;"> <tbody><tr> <td colspan="2"> </td></tr> <tr> <td colspan="2" height="15px"> </td></tr> <tr> <td width="60%" valign="top" style="background:#f5f5f5; padding-left:10px; padding-bottom:2em; padding-right:20px; padding-top:1em;"><figure class="mw-halign-right mw-image-border" typeof="mw:File"><a href="/wiki/Fil:Crab_Nebula.jpg" class="mw-file-description" title="Krabbetåken"><img alt="Krabbetåken" src="//upload.wikimedia.org/wikipedia/commons/thumb/0/00/Crab_Nebula.jpg/130px-Crab_Nebula.jpg" decoding="async" width="130" height="130" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/0/00/Crab_Nebula.jpg/195px-Crab_Nebula.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/0/00/Crab_Nebula.jpg/260px-Crab_Nebula.jpg 2x" data-file-width="3864" data-file-height="3864" /></a><figcaption>Krabbetåken</figcaption></figure> <p><b><a href="/wiki/Astronomi" title="Astronomi">Astronomi</a></b> (fra de <a href="/wiki/Gresk" title="Gresk">greske</a> ordene <i>astron</i> (ἄστρον), «stjerne», og nomos (νόμος), «lov») er den <a href="/wiki/Vitenskap" title="Vitenskap">vitenskapelige studien</a> av <a href="/wiki/Himmellegeme" title="Himmellegeme">himmellegemer</a> (som <a href="/wiki/Stjerne" title="Stjerne">stjerner</a>, <a href="/wiki/Planet" title="Planet">planeter</a>, <a href="/wiki/Komet" title="Komet">kometer</a> og <a href="/wiki/Galakse" title="Galakse">galakser</a>) og fenomener utenfor jordens atmosfære (slik som kosmisk bakgrunnsstråling). Den befatter seg med himmellegemers utvikling, <a href="/wiki/Fysikk" title="Fysikk">fysikk</a>, <a href="/wiki/Kjemi" title="Kjemi">kjemi</a>, <a href="/wiki/Meteorologi" title="Meteorologi">meteorologi</a> og <a href="/wiki/Bevegelse_(fysikk)" class="mw-redirect" title="Bevegelse (fysikk)">bevegelser</a>, så vel som universets utforming og utvikling. </p><p>Astronomi er en av de eldste vitenskaper. Tidlige sivilisasjoners astronomer utførte metodiske observasjoner av nattehimmelen, og kulturgjenstander tilknyttet astronomi fra enda tidligere tider er funnet. Det var imidlertid med oppfinnelsen av <a href="/wiki/Teleskop" title="Teleskop">teleskopet</a> på begynnelsen av 1600-tallet at faget utviklet seg til en moderne vitenskap. Historisk sett har astronomi innbefattet disipliner så forskjellige som <a href="/wiki/Astrometri" title="Astrometri">astrometri</a>, <a href="/wiki/Astronomisk_navigasjon" title="Astronomisk navigasjon">stjernenavigasjon</a>, observasjonell astronomi, utvikling av kalendre, og også astrologi, men profesjonell astronomi betraktes ofte nå for tiden å være omtrent synonymt med <a href="/wiki/Astrofysikk" title="Astrofysikk">astrofysikk</a>. </p><p>Siden det 20. århundre har faget astronomi blitt splittet til observasjonelle og teoretiske grener. Observasjonell astronomi fokuserer på innhenting og analysering av data, hovedsakelig ved hjelp av elementære fysiske prinsipper, mens teoretisk astronomi forsøker å kaste lys over astronomiske objekter og fenomener ved hjelp av datamodeller og analytiske modeller. De to retningene kompletterer hverandre, da teoretisk astronomi forsøker å forklare observasjonelle resultater, observasjonell astronomi blir brukt for å bekrefte teoretiske resultater.<br clear="all" /> </p> <p align="right" class="plainlinks" style="font-size:8pt;"><a href="/wiki/Astronomi" title="Astronomi">Les mer</a></p><p class="mw-empty-elt"></p> <table width="100%" cellpadding="2" cellspacing="0" style="background:none; margin-bottom:.5em; margin-top:.5em;"> <tbody><tr> <td style="border-bottom:2px solid #00003f; font-size:120%; color:{{{farge_underrubrikk2}}};"><b>Utvalgt artikkel</b> </td></tr> <tr> <td style="padding-top:1em;"> <figure class="mw-halign-right mw-image-border" typeof="mw:File"><a href="/wiki/Fil:Jupiter_and_the_Galilean_Satellites.jpg" class="mw-file-description" title="Montasje av Jupiters fire galileiske måner i et sammensatt bilde som sammenligner størrelsen på månene og Jupiter. Fra topp til bunn: Io, Europa, Ganymedes, Callisto"><img alt="Montasje av Jupiters fire galileiske måner i et sammensatt bilde som sammenligner størrelsen på månene og Jupiter. Fra topp til bunn: Io, Europa, Ganymedes, Callisto" src="//upload.wikimedia.org/wikipedia/commons/thumb/f/fe/Jupiter_and_the_Galilean_Satellites.jpg/130px-Jupiter_and_the_Galilean_Satellites.jpg" decoding="async" width="130" height="186" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/f/fe/Jupiter_and_the_Galilean_Satellites.jpg/195px-Jupiter_and_the_Galilean_Satellites.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/f/fe/Jupiter_and_the_Galilean_Satellites.jpg/260px-Jupiter_and_the_Galilean_Satellites.jpg 2x" data-file-width="1030" data-file-height="1470" /></a><figcaption>Montasje av <a href="/wiki/Jupiter" title="Jupiter">Jupiters</a> fire galileiske måner i et sammensatt bilde som sammenligner størrelsen på månene og Jupiter. Fra topp til bunn: <a href="/wiki/Io_(m%C3%A5ne)" title="Io (måne)">Io</a>, <a href="/wiki/Europa_(m%C3%A5ne)" title="Europa (måne)">Europa</a>, <a href="/wiki/Ganymedes_(m%C3%A5ne)" title="Ganymedes (måne)">Ganymedes</a>, <a href="/wiki/Callisto_(m%C3%A5ne)" title="Callisto (måne)">Callisto</a></figcaption></figure> <p>De <b><a href="/wiki/Galileiske_m%C3%A5ner" title="Galileiske måner">galileiske månene</a></b> er fire av <a href="/wiki/Jupiters_m%C3%A5ner" title="Jupiters måner">Jupiters måner</a> som ble oppdaget av <a href="/wiki/Galileo_Galilei" title="Galileo Galilei">Galileo Galilei</a> i januar 1610. De er de største av Jupiters mange måner og har fått sine navn etter <a href="/wiki/Zevs" title="Zevs">Zevs</a>' elskerinner: <a href="/wiki/Io_(m%C3%A5ne)" title="Io (måne)">Io</a>, <a href="/wiki/Europa_(m%C3%A5ne)" title="Europa (måne)">Europa</a>, <a href="/wiki/Ganymedes_(m%C3%A5ne)" title="Ganymedes (måne)">Ganymedes</a> og <a href="/wiki/Callisto_(m%C3%A5ne)" title="Callisto (måne)">Callisto</a>. Ganymedes, Europa og Io går i en 1:2:4-<a href="/wiki/Baneresonans" title="Baneresonans">baneresonans</a>. De er blant <a href="/wiki/Liste_over_naturlige_satellitter" title="Liste over naturlige satellitter">de mest massive objektene</a> i <a href="/wiki/Solsystemet" title="Solsystemet">solsystemet</a> med unntak av <a href="/wiki/Solen" title="Solen">solen</a> og de åtte <a href="/wiki/Planet" title="Planet">planetene</a> med radier større enn noen av <a href="/wiki/Dvergplanet" title="Dvergplanet">dvergplanetene</a>. </p><p>De fire månene ble oppdaget en gang mellom 1609 og 1610 da Galileo gjorde forbedringer på sitt <a href="/wiki/Teleskop" title="Teleskop">teleskop</a>, noe som gjorde det mulig for ham å observere <a href="/wiki/Himmellegeme" title="Himmellegeme">himmellegemer</a> tydeligere enn hva som hadde vært mulig tidligere. Galileos oppdagelse viste viktigheten av teleskopet som et verktøy for astronomer ved å vise at der var objekter i rommet som ikke kan ses med det blotte øye. Enda viktigere, den ukontroversielle oppdagelsen av himmellegemer i <a href="/wiki/Bane" title="Bane">bane</a> rundt noe annet enn <a href="/wiki/Jorden" title="Jorden">jorden</a> ga et alvorlig slag til det daværende aksepterte <a href="/wiki/Geosentrisme" title="Geosentrisme">Ptolemaiske verdensbildet</a>, eller den geosentriske modellen hvor alt går i bane rundt jorden. </p><p>Galileo kalte opprinnelig oppdagelsen for <i>Cosmica Sidera</i> («<a href="/wiki/Cosimo_II_de%27_Medici" class="mw-redirect" title="Cosimo II de' Medici">Cosimos</a> stjerner»), men navnene som til slutt ble gjeldende ble valgt ut av <a href="/wiki/Simon_Marius" title="Simon Marius">Simon Marius</a>. Marius oppdaget månene uavhengig på samme tid som Galileo, og ga dem deres nåværende navn som ble foreslått av <a href="/wiki/Johannes_Kepler" title="Johannes Kepler">Johannes Kepler</a>, i hans <i>Mundus Jovialis</i> utgitt i 1614.<br clear="all" /> </p> <p align="right" class="plainlinks" style="font-size:8pt;"><a href="/wiki/Galileiske_m%C3%A5ner" title="Galileiske måner">Les mer</a> – <a href="/wiki/Portal:Astronomi/Utvalgt_artikkel/Arkiv" title="Portal:Astronomi/Utvalgt artikkel/Arkiv">Arkiv</a></p> </td></tr></tbody></table> <table width="100%" cellpadding="2" cellspacing="0" style="background:none; margin-bottom:.5em; margin-top:.5em;"> <tbody><tr> <td style="border-bottom:2px solid #00003f; font-size:120%; color:{{{farge_underrubrikk2}}};"><b>Observasjon</b> </td></tr> <tr> <td style="padding-top:1em;"> <figure class="mw-halign-right mw-image-border" typeof="mw:File"><a href="/wiki/Fil:Palomar_Observatory.jpg" class="mw-file-description" title="Palomar Observatory"><img alt="Palomar Observatory" src="//upload.wikimedia.org/wikipedia/commons/thumb/3/34/Palomar_Observatory.jpg/130px-Palomar_Observatory.jpg" decoding="async" width="130" height="90" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/3/34/Palomar_Observatory.jpg/195px-Palomar_Observatory.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/3/34/Palomar_Observatory.jpg/260px-Palomar_Observatory.jpg 2x" data-file-width="4160" data-file-height="2864" /></a><figcaption>Palomar Observatory</figcaption></figure> <p><b><a href="/wiki/Palomar_Observatory" title="Palomar Observatory">Palomar Observatory</a></b> er et privateiet <a href="/wiki/Observatorium" title="Observatorium">observatorie</a> som ligger i <a href="/wiki/San_Diego_County" title="San Diego County">San Diego County</a> i <a href="/wiki/California" title="California">California</a>, 140 km sørøst for <a href="/wiki/Pasadena" title="Pasadena">Pasadenas</a> <a href="/wiki/Mount_Wilson_Observatory" title="Mount Wilson Observatory">Mount Wilson Observatory</a>, i fjellkjeden <span class="note" title="Artikkel mangler: Palomar Mountain Range">Palomar Mountain Range</span>. Observatoriet ligger circa 1 700 <a href="/wiki/Meter_over_havet" title="Meter over havet">meter over havet</a> og er eiet og drevet av <a href="/wiki/California_Institute_of_Technology" title="California Institute of Technology">California Institute of Technology</a>. Forskningstiden blir gitt til Caltech og dens samarbeidspartnere som inkluderer <a href="/wiki/Jet_Propulsion_Laboratory" title="Jet Propulsion Laboratory">Jet Propulsion Laboratory</a> og <a href="/wiki/Cornell_University" title="Cornell University">Cornell University</a>.<br clear="all" /> </p> <p align="right" class="plainlinks" style="font-size:8pt;"><a href="/wiki/Palomar_Observatory" title="Palomar Observatory">Les mer</a> – <a href="/wiki/Portal:Astronomi/Utvalgt_observatorium/Arkiv" title="Portal:Astronomi/Utvalgt observatorium/Arkiv">Arkiv</a></p> </td></tr></tbody></table> <table width="100%" cellpadding="2" cellspacing="0" style="background:none; margin-bottom:.5em; margin-top:.5em;"> <tbody><tr> <td style="border-bottom:2px solid #00003f; font-size:120%; color:{{{farge_underrubrikk2}}};"><b>Utvalgt bilde</b> </td></tr> <tr> <td style="padding-top:1em;"> <figure class="mw-halign-center" typeof="mw:File"><a href="/wiki/Fil:Hubble_Solar_Array_Deployment_STS-31.jpg" class="mw-file-description" title="Hubble"><img alt="Hubble" src="//upload.wikimedia.org/wikipedia/commons/thumb/2/20/Hubble_Solar_Array_Deployment_STS-31.jpg/350px-Hubble_Solar_Array_Deployment_STS-31.jpg" decoding="async" width="350" height="347" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/2/20/Hubble_Solar_Array_Deployment_STS-31.jpg/525px-Hubble_Solar_Array_Deployment_STS-31.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/2/20/Hubble_Solar_Array_Deployment_STS-31.jpg/700px-Hubble_Solar_Array_Deployment_STS-31.jpg 2x" data-file-width="5318" data-file-height="5269" /></a><figcaption>Hubble</figcaption></figure> <div class="center" style="width:auto; margin-left:auto; margin-right:auto;"><a href="/wiki/Solcelle" title="Solcelle">Solcellepanelene</a> på <a href="/wiki/Hubble_Space_Telescope" class="mw-redirect" title="Hubble Space Telescope">Hubble Space Telescope</a> i utfoldet tilstand under <span class="note" title="Artikkel mangler: STS-31">STS-31</span>.<style data-mw-deduplicate="TemplateStyles:r23957101">.mw-parser-output .byline{font-size:85%}.mw-parser-output .byline .hidden{display:none}</style><div class="byline"><span class="hidden"> </span>Foto: <a href="/wiki/NASA" title="NASA">NASA</a> </div></div><br clear="all" /> <p align="right" class="plainlinks" style="font-size:8pt;"><a href="/wiki/Portal:Astronomi/Utvalgt_bilde/Arkiv" title="Portal:Astronomi/Utvalgt bilde/Arkiv">Arkiv</a></p> </td></tr></tbody></table> <table width="100%" cellpadding="2" cellspacing="0" style="background:none; margin-bottom:.5em; margin-top:.5em;"> <tbody><tr> <td style="border-bottom:2px solid #00003f; font-size:120%; color:{{{farge_underrubrikk2}}};"><b>Visste du at...</b> </td></tr> <tr> <td style="padding-top:1em;"> <ul><li>…<a href="/wiki/Roche-grensen" title="Roche-grensen">Roche-grensen</a> er den avstanden hvor et himmellegeme ikke lengre kan holdes sammen av sin egen <a href="/wiki/Tyngdekraft" title="Tyngdekraft">gravitasjon</a> på grunn av <a href="/wiki/Tidevannskrefter" class="mw-redirect" title="Tidevannskrefter">tidevannskreftene</a> fra et annet <a href="/wiki/Himmellegeme" title="Himmellegeme">himmellegeme</a>?</li> <li>…<a href="/wiki/Kefeide" title="Kefeide">Kefeider</a> er <a href="/wiki/Variabel_stjerne" title="Variabel stjerne">variable stjerner</a> som pulserer regelmessig?</li> <li>…<a href="/wiki/M%C3%A5nen" title="Månen">Månen</a> er i en <a href="/wiki/Bundet_rotasjon" title="Bundet rotasjon">bundet rotasjon</a> rundt <a href="/wiki/Jorden" title="Jorden">jorden</a> og viser oss derfor alltid samme side?</li> <li>…et <a href="/wiki/Str%C3%B8mningssjikt" title="Strømningssjikt">strømningssjikt</a> er en <a href="/wiki/Elektrisk_str%C3%B8m" title="Elektrisk strøm">elektrisk strøm</a> som er begrenset til en overflate snarere enn å være spredt gjennom et volum av rom?<br clear="all" /></li></ul> <p align="right" class="plainlinks" style="font-size:8pt;"><a href="/wiki/Portal:Astronomi/Visste_du_at/Arkiv" title="Portal:Astronomi/Visste du at/Arkiv">Arkiv</a></p> </td></tr></tbody></table> <table width="100%" cellpadding="2" cellspacing="0" style="background:none; margin-bottom:.5em; margin-top:.5em;"> <tbody><tr> <td style="border-bottom:2px solid #00003f; font-size:120%; color:{{{farge_underrubrikk2}}};"><b>Gode artikler og lister</b> </td></tr> <tr> <td style="padding-top:1em;"> <table style="border-collapse:collapse;margin:auto"> <tbody><tr> <th style="vertical-align:top;"><span class="nowrap"><span typeof="mw:File"><span title="Utmerket artikkel"><img alt="Utmerket artikkel" src="//upload.wikimedia.org/wikipedia/commons/thumb/e/e7/Cscr-featured.svg/16px-Cscr-featured.svg.png" decoding="async" width="16" height="15" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/e/e7/Cscr-featured.svg/24px-Cscr-featured.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/e/e7/Cscr-featured.svg/32px-Cscr-featured.svg.png 2x" data-file-width="466" data-file-height="443" /></span></span> <a href="/wiki/Wikipedia:Utmerkede_artikler" title="Wikipedia:Utmerkede artikler">Utmerkede artikler</a> (24):</span> </th> <td><a href="/wiki/Asteroidebeltet" title="Asteroidebeltet">Asteroidebeltet</a> <b>·</b> <a href="/wiki/Astronomi" title="Astronomi">Astronomi</a> <b>·</b> <a href="/wiki/Callisto_(m%C3%A5ne)" title="Callisto (måne)">Callisto</a> <b>·</b> <a href="/wiki/Europa_(m%C3%A5ne)" title="Europa (måne)">Europa</a> <b>·</b> <a href="/wiki/Galakse" title="Galakse">Galakse</a> <b>·</b> <a href="/wiki/Ganymedes_(m%C3%A5ne)" title="Ganymedes (måne)">Ganymedes</a> <b>·</b> <a href="/wiki/243_Ida" title="243 Ida">243 Ida</a> <b>·</b> <a href="/wiki/Io_(m%C3%A5ne)" title="Io (måne)">Io</a> <b>·</b> <a href="/wiki/Jupiter" title="Jupiter">Jupiter</a> <b>·</b> <a href="/wiki/Komet" title="Komet">Komet</a> <b>·</b> <a href="/wiki/Mars_(planet)" title="Mars (planet)">Mars</a> <b>·</b> <a href="/wiki/Merkur" title="Merkur">Merkur</a> <b>·</b> <a href="/wiki/Neptun_(planet)" title="Neptun (planet)">Neptun</a> <b>·</b> <a href="/wiki/Planet" title="Planet">Planet</a> <b>·</b> <a href="/wiki/Saturn" title="Saturn">Saturn</a> <b>·</b> <a href="/wiki/Saturns_m%C3%A5ner" title="Saturns måner">Saturns måner</a>  <b>·</b> <a href="/wiki/Solen" title="Solen">Solen</a> <b>·</b> <a href="/wiki/Solsystemet" title="Solsystemet">Solsystemet</a> <b>·</b> <a href="/wiki/Stjerne" title="Stjerne">Stjerne</a> <b>·</b> <a href="/wiki/Titan_(m%C3%A5ne)" title="Titan (måne)">Titan</a> <b>·</b> <a href="/wiki/Uranus" title="Uranus">Uranus</a> <b>·</b> <a href="/wiki/Venus" title="Venus">Venus</a> </td></tr> <tr style="border-top:1px dashed #aaa;"> <th style="vertical-align:top;"><span class="nowrap"><span typeof="mw:File"><span title="Anbefalt artikkel"><img alt="Anbefalt artikkel" src="//upload.wikimedia.org/wikipedia/commons/thumb/9/94/Symbol_support_vote.svg/16px-Symbol_support_vote.svg.png" decoding="async" width="16" height="16" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/9/94/Symbol_support_vote.svg/24px-Symbol_support_vote.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/9/94/Symbol_support_vote.svg/32px-Symbol_support_vote.svg.png 2x" data-file-width="180" data-file-height="185" /></span></span> <a href="/wiki/Wikipedia:Anbefalte_artikler" title="Wikipedia:Anbefalte artikler">Anbefalte artikler</a> (9):</span> </th> <td><a href="/wiki/Galileiske_m%C3%A5ner" title="Galileiske måner">Galileiske måner</a> <b>·</b> <a href="/wiki/Galileo_Galilei" title="Galileo Galilei">Galileo Galilei</a> <b>·</b> <a href="/wiki/Johann_Adam_Schall_von_Bell" title="Johann Adam Schall von Bell">Johann Adam Schall von Bell</a> <b>·</b> <a href="/wiki/Laika" title="Laika">Laika</a> <b>·</b> <a href="/wiki/Romkappl%C3%B8pet" title="Romkappløpet">Romkappløpet</a> <b>·</b> <a href="/wiki/Venus%27_atmosf%C3%A6re" class="mw-redirect" title="Venus' atmosfære">Venus' atmosfære</a> </td></tr> <tr style="border-top:1px dashed #aaa;"> <th style="vertical-align:top;"><span class="nowrap"><span typeof="mw:File"><span title="Gode lister og portaler"><img alt="Gode lister og portaler" src="//upload.wikimedia.org/wikipedia/commons/thumb/f/f5/Artykul_na_Medal_1.svg/16px-Artykul_na_Medal_1.svg.png" decoding="async" width="16" height="15" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/f/f5/Artykul_na_Medal_1.svg/24px-Artykul_na_Medal_1.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/f/f5/Artykul_na_Medal_1.svg/32px-Artykul_na_Medal_1.svg.png 2x" data-file-width="643" data-file-height="610" /></span></span> <a href="/wiki/Wikipedia:Gode_lister_og_portaler" title="Wikipedia:Gode lister og portaler">Gode lister og portaler</a> (3):</span> </th> <td><a href="/wiki/Jupiters_m%C3%A5ner" title="Jupiters måner">Jupiters måner</a> <b>·</b> <a href="/wiki/Liste_over_sf%C3%A6riske_objekter_i_solsystemet" title="Liste over sfæriske objekter i solsystemet">Sfæriske objekter i solsystemet</a> <b>·</b> <a class="mw-selflink-fragment" href="#firstHeading">Portal:Astronomi</a> </td></tr></tbody></table> </td></tr></tbody></table> </td> <td width="40%" valign="top" style="border-left:1px dotted #696969; padding-top:0em; padding-left:20px; padding-right:10px;"> <table width="100%" cellpadding="2" cellspacing="0" style="background:none; margin-bottom:.5em; margin-top:.5em;"> <tbody><tr> <td style="border-bottom:1px dotted #696969; font-size:120%; color:{{{farge_underrubrikk2}}};"><b>Astronomer</b> </td></tr></tbody></table> <figure class="mw-halign-right mw-image-border" typeof="mw:Error mw:File"><a href="//commons.wikimedia.org/wiki/Special:UploadWizard?uselang=no&wpDestFile=Hipparchos_1.jpeg" class="new" title="Fil:Hipparchos 1.jpeg"><span class="mw-file-element mw-broken-media" data-width="130">Hipparkhos</span></a><figcaption>Hipparkhos</figcaption></figure> <p><b><a href="/wiki/Hipparkhos_(astronom)" title="Hipparkhos (astronom)">Hipparkhos fra Nikea</a></b> var en gresk <a href="/wiki/Astronom" title="Astronom">astronom</a>. Det er hans fortjeneste at antikkens greske astronomi utviklet seg fra ren beskrivelse til en vitenskap. Han brakte <a href="/wiki/Babylon" title="Babylon">babylonernes</a> kunnskaper i astronomi til den greske verden; bl.a. introduserte han babylonernes inndeling av sirkelen i 360° i Europa. Hipparkhos gjorde en presis beregning av <a href="/wiki/%C3%85r" title="År">årets</a> lengde - 365 dager, 5 timer og 55 minutter. Han målte <a href="/wiki/M%C3%A5ned" title="Måned">månedens</a> lengde til 29 dager, 12 timer, 44 minutter og 2,5 sekunder - et avvik på ett sekund fra det korrekte. Han beregnet avstanden til sola, og fant at den er kortest 4. januar og lengst på 4. juli. Til disse beregningene måtte han gjøre forbedringer innenfor <a href="/wiki/Trigonometri" title="Trigonometri">trigonometrien</a>.<br clear="all" /> </p> <p align="right" class="plainlinks" style="font-size:8pt;"><a href="/wiki/Hipparkhos_(astronom)" title="Hipparkhos (astronom)">Les mer</a> – <a href="/wiki/Portal:Astronomi/Utvalgt_biografi/Arkiv" title="Portal:Astronomi/Utvalgt biografi/Arkiv">Arkiv</a></p> <table width="100%" cellpadding="2" cellspacing="0" style="background:none; margin-bottom:.5em; margin-top:.5em;"> <tbody><tr> <td style="border-bottom:1px dotted #696969; font-size:120%; color:{{{farge_underrubrikk2}}};"><b>I solsystemet vårt</b> </td></tr> <tr> <td style="padding-top:1em;"> <figure class="mw-halign-right mw-image-border" typeof="mw:File"><a href="/wiki/Fil:Ganymede_g1_true_2.jpg" class="mw-file-description" title="Bilde av Ganymedes anti-jovianske halvkule. Foto: Galileo"><img alt="Bilde av Ganymedes anti-jovianske halvkule. Foto: Galileo" src="//upload.wikimedia.org/wikipedia/commons/thumb/d/d8/Ganymede_g1_true_2.jpg/130px-Ganymede_g1_true_2.jpg" decoding="async" width="130" height="139" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/d/d8/Ganymede_g1_true_2.jpg/195px-Ganymede_g1_true_2.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/d/d8/Ganymede_g1_true_2.jpg/260px-Ganymede_g1_true_2.jpg 2x" data-file-width="474" data-file-height="508" /></a><figcaption>Bilde av Ganymedes anti-jovianske halvkule. <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r23957101"><div class="byline"><span class="hidden"> </span>Foto: <i><a href="/wiki/Galileo_(romsonde)" title="Galileo (romsonde)">Galileo</a></i> </div></figcaption></figure> <p><b><a href="/wiki/Ganymedes_(m%C3%A5ne)" title="Ganymedes (måne)">Ganymedes</a></b> er en av <a href="/wiki/Jupiters_m%C3%A5ner" title="Jupiters måner">Jupiters måner</a> og den <a href="/wiki/Liste_over_naturlige_satellitter" title="Liste over naturlige satellitter">største månen</a> i <a href="/wiki/Solsystemet" title="Solsystemet">solsystemet</a>. Den er den syttende <a href="/wiki/Naturlig_satellitt" title="Naturlig satellitt">månen</a> og den tredje <a href="/wiki/Galileiske_m%C3%A5ner" title="Galileiske måner">galileiske månen</a> utover fra <a href="/wiki/Jupiter" title="Jupiter">Jupiter</a>. Månen fullfører et <a href="/wiki/Bane" title="Bane">omløp</a> på ca. syv dager og er en del av en 1:2:4–<a href="/wiki/Baneresonans" title="Baneresonans">baneresonans</a> med henholdsvis månene <a href="/wiki/Europa_(m%C3%A5ne)" title="Europa (måne)">Europa</a> og <a href="/wiki/Io_(m%C3%A5ne)" title="Io (måne)">Io</a>. Den har en diameter på 5 268 km, 8 % større en <a href="/wiki/Planet" title="Planet">planeten</a> <a href="/wiki/Merkur" title="Merkur">Merkur</a>, men den har kun 45 % av sistnevntes <a href="/wiki/Masse" title="Masse">masse</a>. Diameteren er 2 % større enn <a href="/wiki/Titan_(m%C3%A5ne)" title="Titan (måne)">Titan</a>, den nest største månen. Den har også den høyeste massen av alle planetariske satellitter, med 2,02 ganger massen til <a href="/wiki/M%C3%A5nen" title="Månen">månen</a>.<br clear="all" /> </p> <p align="right" class="plainlinks" style="font-size:8pt;"><a href="/wiki/Ganymedes_(m%C3%A5ne)" title="Ganymedes (måne)">Les mer</a> – <a href="/wiki/Portal:Astronomi/Utvalgt_fra_solsystemet/Arkiv" title="Portal:Astronomi/Utvalgt fra solsystemet/Arkiv">Arkiv</a></p> </td></tr></tbody></table> <table width="100%" cellpadding="2" cellspacing="0" style="background:none; margin-bottom:.5em; margin-top:.5em;"> <tbody><tr> <td style="border-bottom:1px dotted #696969; font-size:120%; color:{{{farge_underrubrikk2}}};"><b>Nåværende månefase</b> </td></tr> <tr> <td style="padding-top:1em;"> <table style="background: #000; padding: 20px; margin: 0 auto;"> <tbody><tr> <td><span typeof="mw:File"><a href="/wiki/Fil:Moon-waning-042.svg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/3/34/Moon-waning-042.svg/80px-Moon-waning-042.svg.png" decoding="async" width="80" height="80" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/3/34/Moon-waning-042.svg/120px-Moon-waning-042.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/3/34/Moon-waning-042.svg/160px-Moon-waning-042.svg.png 2x" data-file-width="300" data-file-height="300" /></a></span> </td></tr></tbody></table> <div style="text-align:center;"><a href="/wiki/M%C3%A5nefase" title="Månefase">Fjerde kvartal</a><br /> 42 % av månens overflate er synlig<br />23. november 2024 22:40<div class="noprint"><span class="noprint purgelink"><a href="/wiki/Spesial:Gjenoppfrisk/Portal:Astronomi" title="Spesial:Gjenoppfrisk/Portal:Astronomi"><span title="Oppdater denne siden">Oppdater</span></a></span> (<a href="/wiki/Hjelp:Rense_en_side" title="Hjelp:Rense en side">Hvorfor oppdatere?</a>)</div></div> </td></tr></tbody></table> <table width="100%" cellpadding="2" cellspacing="0" style="background:none; margin-bottom:.5em; margin-top:.5em;"> <tbody><tr> <td style="border-bottom:1px dotted #696969; font-size:120%; color:{{{farge_underrubrikk2}}};"><b>Hendelser i historien</b> </td></tr> <tr> <td style="padding-top:1em;"> <div style="border: 2px solid #ccc; float: left; width: auto; margin-right: 2em; padding: 0.25em; text-align:center;">lørdag<br /><a href="/wiki/23._november" title="23. november"><big><b>23.</b></big><br />november</a> </div> <ul><li><i>Ingen hendelser registrert for i dag</i></li></ul> </td></tr></tbody></table> <table width="100%" cellpadding="2" cellspacing="0" style="background:none; margin-bottom:.5em; margin-top:.5em;"> <tbody><tr> <td style="border-bottom:1px dotted #696969; font-size:120%; color:{{{farge_underrubrikk2}}};"><b>Nyeste artikler</b> </td></tr></tbody></table> <p><small>08.12</small>: <a href="/wiki/James_Dunlop" title="James Dunlop">James Dunlop</a> <small>09.08</small>: <a href="/wiki/%C5%9Eamax%C4%B1_astrofysiske_observatorium" title="Şamaxı astrofysiske observatorium">Şamaxı astrofysiske observatorium</a> <small>22.06</small>: <a href="/wiki/Centre_national_d%E2%80%99%C3%A9tudes_spatiales" title="Centre national d’études spatiales">Centre national d’études spatiales</a> <small>17.05</small>: <a href="/wiki/6230_Fram" title="6230 Fram">6230 Fram</a> <b>·</b> <a href="/wiki/3037_Alku" title="3037 Alku">3037 Alku</a> <b>·</b> <a href="/wiki/2091_Sampo" title="2091 Sampo">2091 Sampo</a> <b>·</b> <a href="/wiki/6572_Carson" title="6572 Carson">6572 Carson</a> <b>·</b> <a href="/wiki/2020_Ukko" title="2020 Ukko">2020 Ukko</a> <b>·</b> <a href="/wiki/2292_Seili" title="2292 Seili">2292 Seili</a> <b>·</b> <a href="/wiki/2293_Guernica" title="2293 Guernica">2293 Guernica</a> <b>·</b> <a href="/wiki/2294_Andronikov" title="2294 Andronikov">2294 Andronikov</a> <small>16.05</small>: <a href="/wiki/2036_Sheragul" title="2036 Sheragul">2036 Sheragul</a> <b>·</b> <a href="/wiki/2699_Kalinin" title="2699 Kalinin">2699 Kalinin</a> <b>·</b> <a href="/wiki/2700_Baikonur" title="2700 Baikonur">2700 Baikonur</a> <b>·</b> <a href="/wiki/2701_Cherson" title="2701 Cherson">2701 Cherson</a> <b>·</b> <a href="/wiki/2702_Batrakov" title="2702 Batrakov">2702 Batrakov</a> <b>·</b> <a href="/wiki/2720_Pyotr_Pervyj" title="2720 Pyotr Pervyj">2720 Pyotr Pervyj</a> <b>·</b> <a href="/wiki/2721_Vsekhsvyatskij" title="2721 Vsekhsvyatskij">2721 Vsekhsvyatskij</a> <b>·</b> <a href="/wiki/2724_Orlov" title="2724 Orlov">2724 Orlov</a> <b>·</b> <a href="/wiki/2723_Gorshkov" title="2723 Gorshkov">2723 Gorshkov</a> </p><p><br /> </p> <table width="100%" cellpadding="2" cellspacing="0" style="background:none; margin-bottom:.5em; margin-top:.5em;"> <tbody><tr> <td style="border-bottom:1px dotted #696969; font-size:120%; color:{{{farge_underrubrikk2}}};"><b>Kategorier og lenker</b> </td></tr></tbody></table> <p><span class="bjeller languageicon" style="color: var(--color-subtle, #54595d);cursor:help;" title="engelsk">(en)</span> <a href="https://commons.wikimedia.org/wiki/Astronomy" class="extiw" title="commons:Astronomy">Astronomy</a> – galleri av bilder, video eller lyd på <a href="/wiki/Wikimedia_Commons" title="Wikimedia Commons">Commons</a> </p> <table border="0" cellspacing="1"> <tbody><tr valign="middle"> <td><span typeof="mw:File"><a href="https://en.wikipedia.org/wiki/n:Main_Page" title="Wikinews"><img alt="Wikinews" src="//upload.wikimedia.org/wikipedia/commons/thumb/3/3d/Wikinews-logo-no.png/20px-Wikinews-logo-no.png" decoding="async" width="20" height="15" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/3/3d/Wikinews-logo-no.png/30px-Wikinews-logo-no.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/3/3d/Wikinews-logo-no.png/40px-Wikinews-logo-no.png 2x" data-file-width="800" data-file-height="615" /></a></span> </td> <td align="left"><a href="/wiki/Wikinews" class="mw-redirect" title="Wikinews">Wikinews</a>: <a href="https://en.wikipedia.org/wiki/n:Portal:Space" class="extiw" title="en:n:Portal:Space">Portal:Space</a> – relatert engelskspråklig nyhetssak </td></tr></tbody></table> <p><br /> <b>Kategoritrær</b> </p> <table cellpadding="10"> <tbody><tr> <td width="27%" valign="top"> <div class="CategoryTreeTag" data-ct-options="{"mode":0,"hideprefix":20,"showcount":false,"namespaces":false,"notranslations":false}"><div class="CategoryTreeSection"><div class="CategoryTreeItem"><span class="CategoryTreeBullet"><a class="CategoryTreeToggle" data-ct-title="Astronomi" data-ct-loaded="1" aria-expanded="true"></a> </span> <bdi dir="ltr"><a href="/wiki/Kategori:Astronomi" title="Kategori:Astronomi">Astronomi</a></bdi></div><div class="CategoryTreeChildren"><div class="CategoryTreeSection"><div class="CategoryTreeItem"><span class="CategoryTreeBullet"><a class="CategoryTreeToggle" data-ct-title="Astronomer" aria-expanded="false"></a> </span> <bdi dir="ltr"><a href="/wiki/Kategori:Astronomer" title="Kategori:Astronomer">Astronomer</a></bdi></div><div class="CategoryTreeChildren" style="display:none"></div></div><div class="CategoryTreeSection"><div class="CategoryTreeItem"><span class="CategoryTreeEmptyBullet"></span> <bdi dir="ltr"><a href="/wiki/Kategori:Astronomi_i_Antarktis" title="Kategori:Astronomi i Antarktis">Astronomi i Antarktis</a></bdi></div><div class="CategoryTreeChildren" style="display:none"></div></div><div class="CategoryTreeSection"><div class="CategoryTreeItem"><span class="CategoryTreeBullet"><a class="CategoryTreeToggle" data-ct-title="Atmosfære" aria-expanded="false"></a> </span> <bdi dir="ltr"><a href="/wiki/Kategori:Atmosf%C3%A6re" title="Kategori:Atmosfære">Atmosfære</a></bdi></div><div class="CategoryTreeChildren" style="display:none"></div></div><div class="CategoryTreeSection"><div class="CategoryTreeItem"><span class="CategoryTreeBullet"><a class="CategoryTreeToggle" data-ct-title="Astronomiske_disipliner" aria-expanded="false"></a> </span> <bdi dir="ltr"><a href="/wiki/Kategori:Astronomiske_disipliner" title="Kategori:Astronomiske disipliner">Astronomiske disipliner</a></bdi></div><div class="CategoryTreeChildren" style="display:none"></div></div><div class="CategoryTreeSection"><div class="CategoryTreeItem"><span class="CategoryTreeBullet"><a class="CategoryTreeToggle" data-ct-title="Astronomiske_dynamiske_systemer" aria-expanded="false"></a> </span> <bdi dir="ltr"><a href="/wiki/Kategori:Astronomiske_dynamiske_systemer" title="Kategori:Astronomiske dynamiske systemer">Astronomiske dynamiske systemer</a></bdi></div><div class="CategoryTreeChildren" style="display:none"></div></div><div class="CategoryTreeSection"><div class="CategoryTreeItem"><span class="CategoryTreeBullet"><a class="CategoryTreeToggle" data-ct-title="Astronomiske_fenomener" aria-expanded="false"></a> </span> <bdi dir="ltr"><a href="/wiki/Kategori:Astronomiske_fenomener" title="Kategori:Astronomiske fenomener">Astronomiske fenomener</a></bdi></div><div class="CategoryTreeChildren" style="display:none"></div></div><div class="CategoryTreeSection"><div class="CategoryTreeItem"><span class="CategoryTreeBullet"><a class="CategoryTreeToggle" data-ct-title="Himmellegemer" aria-expanded="false"></a> </span> <bdi dir="ltr"><a href="/wiki/Kategori:Himmellegemer" title="Kategori:Himmellegemer">Himmellegemer</a></bdi></div><div class="CategoryTreeChildren" style="display:none"></div></div><div class="CategoryTreeSection"><div class="CategoryTreeItem"><span class="CategoryTreeBullet"><a class="CategoryTreeToggle" data-ct-title="Astronomiens_historie" aria-expanded="false"></a> </span> <bdi dir="ltr"><a href="/wiki/Kategori:Astronomiens_historie" title="Kategori:Astronomiens historie">Astronomiens historie</a></bdi></div><div class="CategoryTreeChildren" style="display:none"></div></div><div class="CategoryTreeSection"><div class="CategoryTreeItem"><span class="CategoryTreeBullet"><a class="CategoryTreeToggle" data-ct-title="Astronomiske_lister" aria-expanded="false"></a> </span> <bdi dir="ltr"><a href="/wiki/Kategori:Astronomiske_lister" title="Kategori:Astronomiske lister">Astronomiske lister</a></bdi></div><div class="CategoryTreeChildren" style="display:none"></div></div><div class="CategoryTreeSection"><div class="CategoryTreeItem"><span class="CategoryTreeEmptyBullet"></span> <bdi dir="ltr"><a href="/wiki/Kategori:Astronomiske_m%C3%A5leenheter" title="Kategori:Astronomiske måleenheter">Astronomiske måleenheter</a></bdi></div><div class="CategoryTreeChildren" style="display:none"></div></div><div class="CategoryTreeSection"><div class="CategoryTreeItem"><span class="CategoryTreeEmptyBullet"></span> <bdi dir="ltr"><a href="/wiki/Kategori:Planetarier" title="Kategori:Planetarier">Planetarier</a></bdi></div><div class="CategoryTreeChildren" style="display:none"></div></div><div class="CategoryTreeSection"><div class="CategoryTreeItem"><span class="CategoryTreeEmptyBullet"></span> <bdi dir="ltr"><a href="/wiki/Kategori:Astronomipriser" title="Kategori:Astronomipriser">Astronomipriser</a></bdi></div><div class="CategoryTreeChildren" style="display:none"></div></div><div class="CategoryTreeSection"><div class="CategoryTreeItem"><span class="CategoryTreeBullet"><a class="CategoryTreeToggle" data-ct-title="Stjernebilder" aria-expanded="false"></a> </span> <bdi dir="ltr"><a href="/wiki/Kategori:Stjernebilder" title="Kategori:Stjernebilder">Stjernebilder</a></bdi></div><div class="CategoryTreeChildren" style="display:none"></div></div><div class="CategoryTreeSection"><div class="CategoryTreeItem"><span class="CategoryTreeBullet"><a class="CategoryTreeToggle" data-ct-title="Teleskoper" aria-expanded="false"></a> </span> <bdi dir="ltr"><a href="/wiki/Kategori:Teleskoper" title="Kategori:Teleskoper">Teleskoper</a></bdi></div><div class="CategoryTreeChildren" style="display:none"></div></div><div class="CategoryTreeSection"><div class="CategoryTreeItem"><span class="CategoryTreeEmptyBullet"></span> <bdi dir="ltr"><a href="/wiki/Kategori:Tid_i_astronomi" title="Kategori:Tid i astronomi">Tid i astronomi</a></bdi></div><div class="CategoryTreeChildren" style="display:none"></div></div><div class="CategoryTreeSection"><div class="CategoryTreeItem"><span class="CategoryTreeBullet"><a class="CategoryTreeToggle" data-ct-title="Utenomjordisk_liv" aria-expanded="false"></a> </span> <bdi dir="ltr"><a href="/wiki/Kategori:Utenomjordisk_liv" title="Kategori:Utenomjordisk liv">Utenomjordisk liv</a></bdi></div><div class="CategoryTreeChildren" style="display:none"></div></div></div></div></div> </td> <td width="36%" valign="top"> <div class="CategoryTreeTag" data-ct-options="{"mode":0,"hideprefix":20,"showcount":false,"namespaces":false,"notranslations":false}"><div class="CategoryTreeSection"><div class="CategoryTreeItem"><span class="CategoryTreeBullet"><a class="CategoryTreeToggle" data-ct-title="Romfart" data-ct-loaded="1" aria-expanded="true"></a> </span> <bdi dir="ltr"><a href="/wiki/Kategori:Romfart" title="Kategori:Romfart">Romfart</a></bdi></div><div class="CategoryTreeChildren"><div class="CategoryTreeSection"><div class="CategoryTreeItem"><span class="CategoryTreeBullet"><a class="CategoryTreeToggle" data-ct-title="Romfart_etter_land" aria-expanded="false"></a> </span> <bdi dir="ltr"><a href="/wiki/Kategori:Romfart_etter_land" title="Kategori:Romfart etter land">Romfart etter land</a></bdi></div><div class="CategoryTreeChildren" style="display:none"></div></div><div class="CategoryTreeSection"><div class="CategoryTreeItem"><span class="CategoryTreeBullet"><a class="CategoryTreeToggle" data-ct-title="Astrodynamikk" aria-expanded="false"></a> </span> <bdi dir="ltr"><a href="/wiki/Kategori:Astrodynamikk" title="Kategori:Astrodynamikk">Astrodynamikk</a></bdi></div><div class="CategoryTreeChildren" style="display:none"></div></div><div class="CategoryTreeSection"><div 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]"}.mw-parser-output .navbar li{word-spacing:-0.125em}.mw-parser-output .navbar a>span,.mw-parser-output .navbar a>abbr{text-decoration:inherit}.mw-parser-output .navbar-mini abbr{font-variant:small-caps;border-bottom:none;text-decoration:none;cursor:inherit}.mw-parser-output .navbar-ct-full{font-size:114%;margin:0 7em}.mw-parser-output .navbar-ct-mini{font-size:114%;margin:0 4em}</style><div class="navbar plainlinks hlist navbar-mini"><ul><li class="nv-vis"><a href="/wiki/Mal:Portaler" title="Mal:Portaler"><abbr title="Vis denne malen">v</abbr></a></li><li class="nv-diskuter"><a href="/wiki/Maldiskusjon:Portaler" title="Maldiskusjon:Portaler"><abbr title="Diskuter denne malen">d</abbr></a></li><li class="nv-rediger"><a href="/wiki/Spesial:Rediger_side/Mal:Portaler" title="Spesial:Rediger side/Mal:Portaler"><abbr title="Rediger denne malen">r</abbr></a></li></ul></div><div id="Portaler" style="font-size:114%;margin:0 4em"><a href="/wiki/Portal:Portaler" title="Portal:Portaler">Portaler</a></div></th></tr><tr><th scope="row" class="navbox-group" style="width:1%">Emner</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0em 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:1%">Kultur</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0em 0.25em"> <ul><li><a href="/wiki/Portal:Arkitektur" title="Portal:Arkitektur">Arkitektur</a></li> <li><a href="/wiki/Portal:Beatles" title="Portal:Beatles">Beatles</a></li> <li><a href="/wiki/Portal:Eurovision_Song_Contest" title="Portal:Eurovision Song Contest">Eurovision Song Contest</a></li> <li><a href="/wiki/Portal:Film" title="Portal:Film">Film</a></li> <li><a href="/wiki/Portal:Harry_Potter" title="Portal:Harry Potter">Harry Potter</a></li> <li><a href="/wiki/Portal:Jazz" title="Portal:Jazz">Jazz</a></li> <li><a href="/wiki/Portal:Kunst" title="Portal:Kunst">Kunst</a></li> <li><a href="/wiki/Portal:Museum" title="Portal:Museum">Museum</a></li> <li><a href="/wiki/Portal:Progressiv_rock" title="Portal:Progressiv rock">Progressiv rock</a></li> <li><a href="/wiki/Portal:Star_Wars" title="Portal:Star Wars">Star Wars</a></li> <li><a href="/wiki/Portal:Tegneserie" title="Portal:Tegneserie">Tegneserie</a></li> <li><a href="/wiki/Portal:Videospill" title="Portal:Videospill">Videospill</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Sport</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0em 0.25em"> <ul><li><a href="/wiki/Portal:Formel_1" title="Portal:Formel 1">Formel 1</a></li> <li><a href="/wiki/Portal:Golf" title="Portal:Golf">Golf</a></li> <li><a href="/wiki/Portal:Olympiske_leker" title="Portal:Olympiske leker">Olympiske leker</a></li> <li><a href="/wiki/Portal:Sport" title="Portal:Sport">Sport</a></li> <li><a href="/wiki/Portal:Sykling" title="Portal:Sykling">Sykling</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Transport</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0em 0.25em"> <ul><li><a href="/wiki/Portal:Luftfart" title="Portal:Luftfart">Luftfart</a></li> <li><a href="/wiki/Portal:Sj%C3%B8fart" title="Portal:Sjøfart">Sjøfart</a></li> <li><a href="/wiki/Portal:Undergrunnsbane" title="Portal:Undergrunnsbane">Undergrunnsbane</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Ymse</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0em 0.25em"> <ul><li><a href="/wiki/Portal:Andre_verdenskrig" title="Portal:Andre verdenskrig">Andre verdenskrig</a></li> <li><a href="/wiki/Portal:Antikkens_Hellas" title="Portal:Antikkens Hellas">Antikkens Hellas</a></li> <li><a href="/wiki/Portal:Arkeologi" title="Portal:Arkeologi">Arkeologi</a></li> <li><a class="mw-selflink selflink">Astronomi</a></li> <li><a href="/wiki/Portal:Energi" title="Portal:Energi">Energi</a></li> <li><a href="/wiki/Portal:Forsvaret" title="Portal:Forsvaret">Forsvaret</a></li> <li><a href="/wiki/Portal:F%C3%B8rste_verdenskrig" title="Portal:Første verdenskrig">Første verdenskrig</a></li> <li><a href="/wiki/Portal:Geografi" title="Portal:Geografi">Geografi</a></li> <li><a href="/wiki/Portal:Helse" title="Portal:Helse">Helse</a></li> <li><a href="/wiki/Portal:Historie" title="Portal:Historie">Historie</a></li> <li><a href="/wiki/Portal:Hunder" title="Portal:Hunder">Hunder</a></li> <li><a href="/wiki/Portal:Internett" title="Portal:Internett">Internett</a></li> <li><a href="/wiki/Portal:Den_katolske_kirke" title="Portal:Den katolske kirke">Den katolske kirke</a></li> <li><a href="/wiki/Portal:Konservatisme" title="Portal:Konservatisme">Konservatisme</a></li> <li><a href="/wiki/Portal:Mat_og_drikke" title="Portal:Mat og drikke">Mat og drikke</a></li> <li><a href="/wiki/Portal:Milit%C3%A6rhistorie" title="Portal:Militærhistorie">Militærhistorie</a></li> <li><a href="/wiki/Portal:Natur" title="Portal:Natur">Natur</a></li> <li><a href="/wiki/Portal:Norge_i_1814" title="Portal:Norge i 1814">Norge i 1814</a></li> <li><a href="/wiki/Portal:Samfunn" title="Portal:Samfunn">Samfunn</a></li> <li><a href="/wiki/Portal:Spr%C3%A5k" title="Portal:Språk">Språk</a></li> <li><a href="/wiki/Portal:Vitenskap" title="Portal:Vitenskap">Vitenskap</a></li></ul> </div></td></tr></tbody></table><div></div></td><td class="noviewer navbox-image" rowspan="2" style="width:1px;padding:0 0 0 2px"><div><span typeof="mw:File"><a href="/wiki/Portal:Portaler" title="Portaler"><img alt="Portaler" src="//upload.wikimedia.org/wikipedia/commons/thumb/c/c9/Portal.svg/70px-Portal.svg.png" decoding="async" width="70" height="62" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/c/c9/Portal.svg/105px-Portal.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/c/c9/Portal.svg/140px-Portal.svg.png 2x" data-file-width="36" data-file-height="32" /></a></span></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Steder</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0em 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:1%">Verdensdeler</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0em 0.25em"> <ul><li><a href="/wiki/Portal:Afrika" title="Portal:Afrika">Afrika</a></li> <li><a href="/wiki/Portal:Antarktis" title="Portal:Antarktis">Antarktis</a></li> <li><a href="/wiki/Portal:Asia" title="Portal:Asia">Asia</a></li> <li><a href="/wiki/Portal:Europa" title="Portal:Europa">Europa</a></li> <li><a href="/wiki/Portal:Nord-Amerika" title="Portal:Nord-Amerika">Nord‑Amerika</a></li> <li><a href="/wiki/Portal:Oseania" title="Portal:Oseania">Oseania</a></li> <li><a href="/wiki/Portal:S%C3%B8r-Amerika" title="Portal:Sør-Amerika">Sør‑Amerika</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Land</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0em 0.25em"> <ul><li><a href="/wiki/Portal:Brasil" title="Portal:Brasil">Brasil</a></li> <li><a href="/wiki/Portal:Danmark" title="Portal:Danmark">Danmark</a></li> <li><a href="/wiki/Portal:F%C3%A6r%C3%B8yene" title="Portal:Færøyene">Færøyene</a></li> <li><a href="/wiki/Portal:Island" title="Portal:Island">Island</a></li> <li><a href="/wiki/Portal:Israel" title="Portal:Israel">Israel</a></li> <li><a href="/wiki/Portal:Japan" title="Portal:Japan">Japan</a></li> <li><a href="/wiki/Portal:Korea" title="Portal:Korea">Korea</a></li> <li><a href="/wiki/Portal:Mexico" title="Portal:Mexico">Mexico</a></li> <li><a href="/wiki/Portal:Nederland" title="Portal:Nederland">Nederland</a></li> <li><a href="/wiki/Portal:Norge" title="Portal:Norge">Norge</a></li> <li><a href="/wiki/Portal:Russland" title="Portal:Russland">Russland</a></li> <li><a href="/wiki/Portal:Storbritannia" title="Portal:Storbritannia">Storbritannia</a></li> <li><a href="/wiki/Portal:Sverige" title="Portal:Sverige">Sverige</a></li> <li><a href="/wiki/Portal:S%C3%B8r-Afrika" title="Portal:Sør-Afrika">Sør‑Afrika</a></li> <li><a href="/wiki/Portal:Tyskland" title="Portal:Tyskland">Tyskland</a></li> <li><a href="/wiki/Portal:USA" title="Portal:USA">USA</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Norge</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0em 0.25em"> <ul><li><a href="/wiki/Portal:Arendal" title="Portal:Arendal">Arendal</a></li> <li><a href="/wiki/Portal:Bergen" title="Portal:Bergen">Bergen</a></li> <li><a href="/wiki/Portal:Oslo" title="Portal:Oslo">Oslo</a></li> <li><a href="/wiki/Portal:Rogaland" title="Portal:Rogaland">Rogaland</a></li> <li><a href="/wiki/Portal:Stavanger" title="Portal:Stavanger">Stavanger</a></li> <li><a href="/wiki/Portal:Troms%C3%B8" title="Portal:Tromsø">Tromsø</a></li> <li><a href="/wiki/Portal:Trondheim" title="Portal:Trondheim">Trondheim</a></li> <li><a href="/wiki/Portal:Tr%C3%B8ndelag" title="Portal:Trøndelag">Trøndelag</a></li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><td class="navbox-abovebelow" colspan="3"><div> <ul><li><a href="/wiki/Kategori:Portaler" title="Kategori:Portaler">Kategori</a></li> <li><a href="/wiki/Wikipedia:Gode_lister_og_portaler" title="Wikipedia:Gode lister og portaler">Gode lister og portaler</a></li></ul> </div></td></tr></tbody></table></div> </td></tr> <tr> <td 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