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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="Gunea"> <div id="vector-main-menu-pinned-container" class="vector-pinned-container"> </div> </nav> </div> </div> <div class="vector-sticky-pinned-container"> <nav id="mw-panel-toc" aria-label="Edukiak" data-event-name="ui.sidebar-toc" class="mw-table-of-contents-container vector-toc-landmark"> <div id="vector-toc-pinned-container" class="vector-pinned-container"> <div id="vector-toc" class="vector-toc vector-pinnable-element"> <div class="vector-pinnable-header vector-toc-pinnable-header vector-pinnable-header-pinned" data-feature-name="toc-pinned" data-pinnable-element-id="vector-toc" > <h2 class="vector-pinnable-header-label">Edukiak</h2> <button class="vector-pinnable-header-toggle-button 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class="vector-toc-link" href="#Osaera_eta_egitura"> <div class="vector-toc-text"> <span class="vector-toc-numb">2</span> <span>Osaera eta egitura</span> </div> </a> <ul id="toc-Osaera_eta_egitura-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Jatorria" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Jatorria"> <div class="vector-toc-text"> <span class="vector-toc-numb">3</span> <span>Jatorria</span> </div> </a> <ul id="toc-Jatorria-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Kometak" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Kometak"> <div class="vector-toc-text"> <span class="vector-toc-numb">4</span> <span>Kometak</span> </div> </a> <ul id="toc-Kometak-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Marea-indarrak" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Marea-indarrak"> <div class="vector-toc-text"> <span class="vector-toc-numb">5</span> <span>Marea-indarrak</span> </div> </a> <button aria-controls="toc-Marea-indarrak-sublist" class="cdx-button cdx-button--weight-quiet cdx-button--icon-only vector-toc-toggle"> <span class="vector-icon mw-ui-icon-wikimedia-expand"></span> <span>Erakutsi/ezkutatu Marea-indarrak azpiatal</span> </button> <ul id="toc-Marea-indarrak-sublist" class="vector-toc-list"> <li id="toc-Iraungipen_zikloak" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Iraungipen_zikloak"> <div class="vector-toc-text"> <span class="vector-toc-numb">5.1</span> <span>Iraungipen zikloak</span> </div> </a> <ul id="toc-Iraungipen_zikloak-sublist" class="vector-toc-list"> </ul> </li> </ul> </li> <li id="toc-Izarren_perturbazioak" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Izarren_perturbazioak"> <div class="vector-toc-text"> <span class="vector-toc-numb">6</span> <span>Izarren perturbazioak</span> </div> </a> <button aria-controls="toc-Izarren_perturbazioak-sublist" class="cdx-button cdx-button--weight-quiet cdx-button--icon-only vector-toc-toggle"> <span class="vector-icon mw-ui-icon-wikimedia-expand"></span> <span>Erakutsi/ezkutatu Izarren perturbazioak azpiatal</span> </button> <ul id="toc-Izarren_perturbazioak-sublist" class="vector-toc-list"> <li id="toc-Nemesis_hipotesia" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Nemesis_hipotesia"> <div class="vector-toc-text"> <span class="vector-toc-numb">6.1</span> <span>Nemesis hipotesia</span> </div> </a> <ul id="toc-Nemesis_hipotesia-sublist" class="vector-toc-list"> </ul> </li> </ul> </li> <li id="toc-Oorten_hodeiko_objektuak" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Oorten_hodeiko_objektuak"> <div class="vector-toc-text"> <span class="vector-toc-numb">7</span> <span>Oorten hodeiko objektuak</span> </div> </a> <ul id="toc-Oorten_hodeiko_objektuak-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Oharrak" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Oharrak"> <div class="vector-toc-text"> <span class="vector-toc-numb">8</span> <span>Oharrak</span> </div> </a> <ul id="toc-Oharrak-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Erreferentziak" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Erreferentziak"> <div class="vector-toc-text"> <span class="vector-toc-numb">9</span> <span>Erreferentziak</span> </div> </a> <ul id="toc-Erreferentziak-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Ikus,_gainera" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Ikus,_gainera"> <div class="vector-toc-text"> <span class="vector-toc-numb">10</span> <span>Ikus, gainera</span> </div> </a> <ul id="toc-Ikus,_gainera-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Kanpo_estekak" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Kanpo_estekak"> <div class="vector-toc-text"> <span class="vector-toc-numb">11</span> <span>Kanpo estekak</span> </div> </a> <button aria-controls="toc-Kanpo_estekak-sublist" class="cdx-button cdx-button--weight-quiet cdx-button--icon-only vector-toc-toggle"> <span class="vector-icon mw-ui-icon-wikimedia-expand"></span> <span>Erakutsi/ezkutatu Kanpo estekak azpiatal</span> </button> <ul id="toc-Kanpo_estekak-sublist" class="vector-toc-list"> <li id="toc-Euskaraz" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Euskaraz"> <div class="vector-toc-text"> <span class="vector-toc-numb">11.1</span> <span>Euskaraz</span> </div> </a> <ul id="toc-Euskaraz-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Gazteleraz" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Gazteleraz"> <div class="vector-toc-text"> <span class="vector-toc-numb">11.2</span> <span>Gazteleraz</span> </div> </a> <ul id="toc-Gazteleraz-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Ingelesez" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Ingelesez"> <div class="vector-toc-text"> <span class="vector-toc-numb">11.3</span> <span>Ingelesez</span> </div> </a> <ul id="toc-Ingelesez-sublist" class="vector-toc-list"> </ul> </li> </ul> </li> </ul> </div> </div> </nav> </div> </div> <div class="mw-content-container"> <main id="content" class="mw-body"> <header class="mw-body-header vector-page-titlebar"> <nav aria-label="Edukiak" class="vector-toc-landmark"> <div id="vector-page-titlebar-toc" class="vector-dropdown vector-page-titlebar-toc vector-button-flush-left" > <input type="checkbox" id="vector-page-titlebar-toc-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-page-titlebar-toc" class="vector-dropdown-checkbox " aria-label="Eduki taularen ikusgarritasuna aldatu" > <label id="vector-page-titlebar-toc-label" for="vector-page-titlebar-toc-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only " aria-hidden="true" ><span class="vector-icon mw-ui-icon-listBullet mw-ui-icon-wikimedia-listBullet"></span> <span class="vector-dropdown-label-text">Eduki taularen ikusgarritasuna aldatu</span> </label> <div class="vector-dropdown-content"> <div id="vector-page-titlebar-toc-unpinned-container" class="vector-unpinned-container"> </div> </div> </div> </nav> <h1 id="firstHeading" class="firstHeading mw-first-heading"><span class="mw-page-title-main">Oorten hodeia</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="Joan beste hizkuntza batean idatzitako artikulu batera. 95 hizkuntzatan eskuragarri." > <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-95" 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">95 hizkuntza</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/Oortwolk" title="Oortwolk – afrikaansa" lang="af" hreflang="af" data-title="Oortwolk" data-language-autonym="Afrikaans" data-language-local-name="afrikaansa" class="interlanguage-link-target"><span>Afrikaans</span></a></li><li class="interlanguage-link interwiki-an mw-list-item"><a href="https://an.wikipedia.org/wiki/Boira_d%27Oort" title="Boira d'Oort – aragoiera" lang="an" hreflang="an" data-title="Boira d'Oort" data-language-autonym="Aragonés" data-language-local-name="aragoiera" class="interlanguage-link-target"><span>Aragonés</span></a></li><li class="interlanguage-link interwiki-ar mw-list-item"><a href="https://ar.wikipedia.org/wiki/%D8%B3%D8%AD%D8%A7%D8%A8%D8%A9_%D8%A3%D9%88%D8%B1%D8%B7" title="سحابة أورط – arabiera" lang="ar" hreflang="ar" data-title="سحابة أورط" data-language-autonym="العربية" data-language-local-name="arabiera" class="interlanguage-link-target"><span>العربية</span></a></li><li class="interlanguage-link interwiki-ary mw-list-item"><a href="https://ary.wikipedia.org/wiki/%D8%BA%D9%8A%D8%A7%D9%85%D8%A9_%D8%AF_%D8%A4%D8%B1%D8%AA" title="غيامة د ؤرت – Moroccan Arabic" lang="ary" hreflang="ary" data-title="غيامة د ؤرت" data-language-autonym="الدارجة" data-language-local-name="Moroccan Arabic" class="interlanguage-link-target"><span>الدارجة</span></a></li><li class="interlanguage-link interwiki-as mw-list-item"><a href="https://as.wikipedia.org/wiki/%E0%A6%89%E0%A7%B0%E0%A7%8D%E0%A6%9F_%E0%A6%AE%E0%A7%87%E0%A6%98" title="উৰ্ট মেঘ – assamera" lang="as" hreflang="as" data-title="উৰ্ট মেঘ" data-language-autonym="অসমীয়া" data-language-local-name="assamera" class="interlanguage-link-target"><span>অসমীয়া</span></a></li><li class="interlanguage-link interwiki-ast mw-list-item"><a href="https://ast.wikipedia.org/wiki/Nube_d%27Oort" title="Nube d'Oort – asturiera" lang="ast" hreflang="ast" data-title="Nube d'Oort" data-language-autonym="Asturianu" data-language-local-name="asturiera" class="interlanguage-link-target"><span>Asturianu</span></a></li><li class="interlanguage-link interwiki-az mw-list-item"><a href="https://az.wikipedia.org/wiki/Oort_buludu" title="Oort buludu – azerbaijanera" lang="az" hreflang="az" data-title="Oort buludu" data-language-autonym="Azərbaycanca" data-language-local-name="azerbaijanera" class="interlanguage-link-target"><span>Azərbaycanca</span></a></li><li class="interlanguage-link interwiki-bar mw-list-item"><a href="https://bar.wikipedia.org/wiki/Oortsche_Woikn" title="Oortsche Woikn – Bavarian" lang="bar" hreflang="bar" data-title="Oortsche Woikn" data-language-autonym="Boarisch" data-language-local-name="Bavarian" class="interlanguage-link-target"><span>Boarisch</span></a></li><li class="interlanguage-link interwiki-be mw-list-item"><a href="https://be.wikipedia.org/wiki/%D0%92%D0%BE%D0%B1%D0%BB%D0%B0%D0%BA%D0%B0_%D0%9E%D0%B0%D1%80%D1%82%D0%B0" title="Воблака Оарта – bielorrusiera" lang="be" hreflang="be" data-title="Воблака Оарта" data-language-autonym="Беларуская" data-language-local-name="bielorrusiera" class="interlanguage-link-target"><span>Беларуская</span></a></li><li class="interlanguage-link interwiki-be-x-old mw-list-item"><a href="https://be-tarask.wikipedia.org/wiki/%D0%92%D0%BE%D0%B1%D0%BB%D0%B0%D0%BA%D0%B0_%D0%9E%D0%BE%D1%80%D1%82%D0%B0" title="Воблака Оорта – Belarusian (Taraškievica orthography)" lang="be-tarask" hreflang="be-tarask" data-title="Воблака Оорта" data-language-autonym="Беларуская (тарашкевіца)" data-language-local-name="Belarusian (Taraškievica orthography)" class="interlanguage-link-target"><span>Беларуская (тарашкевіца)</span></a></li><li class="interlanguage-link interwiki-bg mw-list-item"><a href="https://bg.wikipedia.org/wiki/%D0%9E%D0%B1%D0%BB%D0%B0%D0%BA_%D0%BD%D0%B0_%D0%9E%D0%BE%D1%80%D1%82" title="Облак на Оорт – bulgariera" lang="bg" hreflang="bg" data-title="Облак на Оорт" data-language-autonym="Български" data-language-local-name="bulgariera" class="interlanguage-link-target"><span>Български</span></a></li><li class="interlanguage-link interwiki-bn mw-list-item"><a href="https://bn.wikipedia.org/wiki/%E0%A6%89%E0%A6%B0%E0%A7%8D%E0%A6%9F_%E0%A6%AE%E0%A7%87%E0%A6%98" title="উর্ট মেঘ – bengalera" lang="bn" hreflang="bn" data-title="উর্ট মেঘ" data-language-autonym="বাংলা" data-language-local-name="bengalera" class="interlanguage-link-target"><span>বাংলা</span></a></li><li class="interlanguage-link interwiki-br mw-list-item"><a href="https://br.wikipedia.org/wiki/Koumoulennad_Oort" title="Koumoulennad Oort – bretoiera" lang="br" hreflang="br" data-title="Koumoulennad Oort" data-language-autonym="Brezhoneg" data-language-local-name="bretoiera" class="interlanguage-link-target"><span>Brezhoneg</span></a></li><li class="interlanguage-link interwiki-bs mw-list-item"><a href="https://bs.wikipedia.org/wiki/Oortov_oblak" title="Oortov oblak – bosniera" lang="bs" hreflang="bs" data-title="Oortov oblak" data-language-autonym="Bosanski" data-language-local-name="bosniera" class="interlanguage-link-target"><span>Bosanski</span></a></li><li class="interlanguage-link interwiki-ca badge-Q17437796 badge-featuredarticle mw-list-item" title="artikulu nabarmenduak"><a href="https://ca.wikipedia.org/wiki/N%C3%BAvol_d%27Oort" title="Núvol d'Oort – katalana" lang="ca" hreflang="ca" data-title="Núvol d'Oort" data-language-autonym="Català" data-language-local-name="katalana" 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/Oort%C5%AFv_oblak" title="Oortův oblak – txekiera" lang="cs" hreflang="cs" data-title="Oortův oblak" data-language-autonym="Čeština" data-language-local-name="txekiera" class="interlanguage-link-target"><span>Čeština</span></a></li><li class="interlanguage-link interwiki-cy mw-list-item"><a href="https://cy.wikipedia.org/wiki/Cwmwl_Oort" title="Cwmwl Oort – galesa" lang="cy" hreflang="cy" data-title="Cwmwl Oort" data-language-autonym="Cymraeg" data-language-local-name="galesa" class="interlanguage-link-target"><span>Cymraeg</span></a></li><li class="interlanguage-link interwiki-da mw-list-item"><a href="https://da.wikipedia.org/wiki/Oortskyen" title="Oortskyen – daniera" lang="da" hreflang="da" data-title="Oortskyen" data-language-autonym="Dansk" data-language-local-name="daniera" 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/Oortsche_Wolke" title="Oortsche Wolke – alemana" lang="de" hreflang="de" data-title="Oortsche Wolke" data-language-autonym="Deutsch" data-language-local-name="alemana" 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%9D%CE%AD%CF%86%CE%BF%CF%82_%CF%84%CE%BF%CF%85_%CE%8C%CE%BF%CF%81%CF%84" title="Νέφος του Όορτ – greziera" lang="el" hreflang="el" data-title="Νέφος του Όορτ" data-language-autonym="Ελληνικά" data-language-local-name="greziera" class="interlanguage-link-target"><span>Ελληνικά</span></a></li><li class="interlanguage-link interwiki-eml mw-list-item"><a href="https://eml.wikipedia.org/wiki/N%C3%B9vul_%27d_Oort" title="Nùvul 'd Oort – Emiliano-Romagnolo" lang="egl" hreflang="egl" data-title="Nùvul 'd Oort" data-language-autonym="Emiliàn e rumagnòl" data-language-local-name="Emiliano-Romagnolo" class="interlanguage-link-target"><span>Emiliàn e rumagnòl</span></a></li><li class="interlanguage-link interwiki-en badge-Q17437796 badge-featuredarticle mw-list-item" title="artikulu nabarmenduak"><a href="https://en.wikipedia.org/wiki/Oort_cloud" title="Oort cloud – ingelesa" lang="en" hreflang="en" data-title="Oort cloud" data-language-autonym="English" data-language-local-name="ingelesa" class="interlanguage-link-target"><span>English</span></a></li><li class="interlanguage-link interwiki-eo mw-list-item"><a href="https://eo.wikipedia.org/wiki/Oorta_nubo" title="Oorta nubo – esperantoa" lang="eo" hreflang="eo" data-title="Oorta nubo" data-language-autonym="Esperanto" data-language-local-name="esperantoa" class="interlanguage-link-target"><span>Esperanto</span></a></li><li class="interlanguage-link interwiki-es badge-Q17437796 badge-featuredarticle mw-list-item" title="artikulu nabarmenduak"><a href="https://es.wikipedia.org/wiki/Nube_de_Oort" title="Nube de Oort – gaztelania" lang="es" hreflang="es" data-title="Nube de Oort" data-language-autonym="Español" data-language-local-name="gaztelania" class="interlanguage-link-target"><span>Español</span></a></li><li class="interlanguage-link interwiki-et mw-list-item"><a href="https://et.wikipedia.org/wiki/%C3%96piku-Oorti_pilv" title="Öpiku-Oorti pilv – estoniera" lang="et" hreflang="et" data-title="Öpiku-Oorti pilv" data-language-autonym="Eesti" data-language-local-name="estoniera" class="interlanguage-link-target"><span>Eesti</span></a></li><li class="interlanguage-link interwiki-fa mw-list-item"><a href="https://fa.wikipedia.org/wiki/%D8%A7%D8%A8%D8%B1_%D8%A7%D9%88%D8%B1%D8%AA" title="ابر اورت – persiera" lang="fa" hreflang="fa" data-title="ابر اورت" data-language-autonym="فارسی" data-language-local-name="persiera" class="interlanguage-link-target"><span>فارسی</span></a></li><li class="interlanguage-link interwiki-fi mw-list-item"><a href="https://fi.wikipedia.org/wiki/Oortin_pilvi" title="Oortin pilvi – finlandiera" lang="fi" hreflang="fi" data-title="Oortin pilvi" data-language-autonym="Suomi" data-language-local-name="finlandiera" class="interlanguage-link-target"><span>Suomi</span></a></li><li class="interlanguage-link interwiki-fr mw-list-item"><a href="https://fr.wikipedia.org/wiki/Nuage_de_Oort" title="Nuage de Oort – frantsesa" lang="fr" hreflang="fr" data-title="Nuage de Oort" data-language-autonym="Français" data-language-local-name="frantsesa" class="interlanguage-link-target"><span>Français</span></a></li><li class="interlanguage-link interwiki-ga mw-list-item"><a href="https://ga.wikipedia.org/wiki/Scamall_Oort" title="Scamall Oort – irlandera" lang="ga" hreflang="ga" data-title="Scamall Oort" data-language-autonym="Gaeilge" data-language-local-name="irlandera" class="interlanguage-link-target"><span>Gaeilge</span></a></li><li class="interlanguage-link interwiki-gd mw-list-item"><a href="https://gd.wikipedia.org/wiki/Neul_Oort" title="Neul Oort – Eskoziako gaelikoa" lang="gd" hreflang="gd" data-title="Neul Oort" data-language-autonym="Gàidhlig" data-language-local-name="Eskoziako gaelikoa" class="interlanguage-link-target"><span>Gàidhlig</span></a></li><li class="interlanguage-link interwiki-gl badge-Q17437796 badge-featuredarticle mw-list-item" title="artikulu nabarmenduak"><a href="https://gl.wikipedia.org/wiki/Nube_de_Oort" title="Nube de Oort – galiziera" lang="gl" hreflang="gl" data-title="Nube de Oort" data-language-autonym="Galego" data-language-local-name="galiziera" class="interlanguage-link-target"><span>Galego</span></a></li><li class="interlanguage-link interwiki-gn mw-list-item"><a href="https://gn.wikipedia.org/wiki/Arai_Oort" title="Arai Oort – guaraniera" lang="gn" hreflang="gn" data-title="Arai Oort" data-language-autonym="Avañe'ẽ" data-language-local-name="guaraniera" class="interlanguage-link-target"><span>Avañe'ẽ</span></a></li><li class="interlanguage-link interwiki-he mw-list-item"><a href="https://he.wikipedia.org/wiki/%D7%A2%D7%A0%D7%A0%D7%AA_%D7%90%D7%95%D7%A8%D7%98" title="עננת אורט – hebreera" lang="he" hreflang="he" data-title="עננת אורט" data-language-autonym="עברית" data-language-local-name="hebreera" class="interlanguage-link-target"><span>עברית</span></a></li><li class="interlanguage-link interwiki-hi mw-list-item"><a href="https://hi.wikipedia.org/wiki/%E0%A4%94%E0%A4%B0%E0%A5%8D%E0%A4%9F_%E0%A4%AC%E0%A4%BE%E0%A4%A6%E0%A4%B2" title="और्ट बादल – hindia" lang="hi" hreflang="hi" data-title="और्ट बादल" data-language-autonym="हिन्दी" data-language-local-name="hindia" 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/Oortov_oblak" title="Oortov oblak – kroaziera" lang="hr" hreflang="hr" data-title="Oortov oblak" data-language-autonym="Hrvatski" data-language-local-name="kroaziera" class="interlanguage-link-target"><span>Hrvatski</span></a></li><li class="interlanguage-link interwiki-hu mw-list-item"><a href="https://hu.wikipedia.org/wiki/Oort-felh%C5%91" title="Oort-felhő – hungariera" lang="hu" hreflang="hu" data-title="Oort-felhő" data-language-autonym="Magyar" data-language-local-name="hungariera" class="interlanguage-link-target"><span>Magyar</span></a></li><li class="interlanguage-link interwiki-hy mw-list-item"><a href="https://hy.wikipedia.org/wiki/%D5%95%D5%B8%D6%80%D5%BF%D5%AB_%D5%A1%D5%B4%D5%BA" title="Օորտի ամպ – armeniera" lang="hy" hreflang="hy" data-title="Օորտի ամպ" data-language-autonym="Հայերեն" data-language-local-name="armeniera" class="interlanguage-link-target"><span>Հայերեն</span></a></li><li class="interlanguage-link interwiki-id mw-list-item"><a href="https://id.wikipedia.org/wiki/Awan_Oort" title="Awan Oort – indonesiera" lang="id" hreflang="id" data-title="Awan Oort" data-language-autonym="Bahasa Indonesia" data-language-local-name="indonesiera" class="interlanguage-link-target"><span>Bahasa Indonesia</span></a></li><li class="interlanguage-link interwiki-is mw-list-item"><a href="https://is.wikipedia.org/wiki/Oortsk%C3%BD" title="Oortský – islandiera" lang="is" hreflang="is" data-title="Oortský" data-language-autonym="Íslenska" data-language-local-name="islandiera" class="interlanguage-link-target"><span>Íslenska</span></a></li><li class="interlanguage-link interwiki-it mw-list-item"><a href="https://it.wikipedia.org/wiki/Nube_di_Oort" title="Nube di Oort – italiera" lang="it" hreflang="it" data-title="Nube di Oort" data-language-autonym="Italiano" data-language-local-name="italiera" class="interlanguage-link-target"><span>Italiano</span></a></li><li class="interlanguage-link interwiki-ja mw-list-item"><a href="https://ja.wikipedia.org/wiki/%E3%82%AA%E3%83%BC%E3%83%AB%E3%83%88%E3%81%AE%E9%9B%B2" title="オールトの雲 – japoniera" lang="ja" hreflang="ja" data-title="オールトの雲" data-language-autonym="日本語" data-language-local-name="japoniera" class="interlanguage-link-target"><span>日本語</span></a></li><li class="interlanguage-link interwiki-jv mw-list-item"><a href="https://jv.wikipedia.org/wiki/M%C3%A9ga_Oort" title="Méga Oort – javera" lang="jv" hreflang="jv" data-title="Méga Oort" data-language-autonym="Jawa" data-language-local-name="javera" class="interlanguage-link-target"><span>Jawa</span></a></li><li class="interlanguage-link interwiki-ka mw-list-item"><a href="https://ka.wikipedia.org/wiki/%E1%83%9D%E1%83%9D%E1%83%A0%E1%83%A2%E1%83%98%E1%83%A1_%E1%83%A6%E1%83%A0%E1%83%A3%E1%83%91%E1%83%94%E1%83%9A%E1%83%98" title="ოორტის ღრუბელი – georgiera" lang="ka" hreflang="ka" data-title="ოორტის ღრუბელი" data-language-autonym="ქართული" data-language-local-name="georgiera" class="interlanguage-link-target"><span>ქართული</span></a></li><li class="interlanguage-link interwiki-kn mw-list-item"><a href="https://kn.wikipedia.org/wiki/%E0%B2%8A%E0%B2%B0%E0%B3%8D%E0%B2%9F%E0%B3%8D_%E0%B2%AE%E0%B3%8B%E0%B2%A1" title="ಊರ್ಟ್ ಮೋಡ – kannada" lang="kn" hreflang="kn" data-title="ಊರ್ಟ್ ಮೋಡ" data-language-autonym="ಕನ್ನಡ" data-language-local-name="kannada" class="interlanguage-link-target"><span>ಕನ್ನಡ</span></a></li><li class="interlanguage-link interwiki-ko mw-list-item"><a href="https://ko.wikipedia.org/wiki/%EC%98%A4%EB%A5%B4%ED%8A%B8_%EA%B5%AC%EB%A6%84" title="오르트 구름 – koreera" lang="ko" hreflang="ko" data-title="오르트 구름" data-language-autonym="한국어" data-language-local-name="koreera" class="interlanguage-link-target"><span>한국어</span></a></li><li class="interlanguage-link interwiki-ksh mw-list-item"><a href="https://ksh.wikipedia.org/wiki/Oortsche_Wolke" title="Oortsche Wolke – koloniera" lang="ksh" hreflang="ksh" data-title="Oortsche Wolke" data-language-autonym="Ripoarisch" data-language-local-name="koloniera" class="interlanguage-link-target"><span>Ripoarisch</span></a></li><li class="interlanguage-link interwiki-la mw-list-item"><a href="https://la.wikipedia.org/wiki/Nubes_Oort" title="Nubes Oort – latina" lang="la" hreflang="la" data-title="Nubes Oort" data-language-autonym="Latina" data-language-local-name="latina" class="interlanguage-link-target"><span>Latina</span></a></li><li class="interlanguage-link interwiki-lb mw-list-item"><a href="https://lb.wikipedia.org/wiki/Oort-Wollek" title="Oort-Wollek – luxenburgera" lang="lb" hreflang="lb" data-title="Oort-Wollek" data-language-autonym="Lëtzebuergesch" data-language-local-name="luxenburgera" class="interlanguage-link-target"><span>Lëtzebuergesch</span></a></li><li class="interlanguage-link interwiki-li mw-list-item"><a href="https://li.wikipedia.org/wiki/Oortwolk" title="Oortwolk – limburgera" lang="li" hreflang="li" data-title="Oortwolk" data-language-autonym="Limburgs" data-language-local-name="limburgera" class="interlanguage-link-target"><span>Limburgs</span></a></li><li class="interlanguage-link interwiki-lmo mw-list-item"><a href="https://lmo.wikipedia.org/wiki/Nigol_de_Oort" title="Nigol de Oort – Lombard" lang="lmo" hreflang="lmo" data-title="Nigol de Oort" data-language-autonym="Lombard" data-language-local-name="Lombard" class="interlanguage-link-target"><span>Lombard</span></a></li><li class="interlanguage-link interwiki-lt mw-list-item"><a href="https://lt.wikipedia.org/wiki/Orto_kometoid%C5%B3_debesis" title="Orto kometoidų debesis – lituaniera" lang="lt" hreflang="lt" data-title="Orto kometoidų debesis" data-language-autonym="Lietuvių" data-language-local-name="lituaniera" class="interlanguage-link-target"><span>Lietuvių</span></a></li><li class="interlanguage-link interwiki-lv mw-list-item"><a href="https://lv.wikipedia.org/wiki/Orta_m%C4%81konis" title="Orta mākonis – letoniera" lang="lv" hreflang="lv" data-title="Orta mākonis" data-language-autonym="Latviešu" data-language-local-name="letoniera" class="interlanguage-link-target"><span>Latviešu</span></a></li><li class="interlanguage-link interwiki-map-bms mw-list-item"><a href="https://map-bms.wikipedia.org/wiki/Awan_Oort" title="Awan Oort – Banyumasan" lang="jv-x-bms" hreflang="jv-x-bms" data-title="Awan Oort" data-language-autonym="Basa Banyumasan" data-language-local-name="Banyumasan" class="interlanguage-link-target"><span>Basa Banyumasan</span></a></li><li class="interlanguage-link interwiki-mk mw-list-item"><a href="https://mk.wikipedia.org/wiki/%D0%9E%D1%80%D1%82%D0%BE%D0%B2_%D0%9E%D0%B1%D0%BB%D0%B0%D0%BA" title="Ортов Облак – mazedoniera" lang="mk" hreflang="mk" data-title="Ортов Облак" data-language-autonym="Македонски" data-language-local-name="mazedoniera" 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%92%E0%B5%BC%E0%B4%9F%E0%B5%8D%E0%B4%9F%E0%B5%8D_%E0%B4%AE%E0%B5%87%E0%B4%98%E0%B4%82" title="ഒർട്ട് മേഘം – malabarera" lang="ml" hreflang="ml" data-title="ഒർട്ട് മേഘം" data-language-autonym="മലയാളം" data-language-local-name="malabarera" class="interlanguage-link-target"><span>മലയാളം</span></a></li><li class="interlanguage-link interwiki-mr mw-list-item"><a href="https://mr.wikipedia.org/wiki/%E0%A4%8A%E0%A4%B0%E0%A5%8D%E0%A4%9F%E0%A4%9A%E0%A4%BE_%E0%A4%AE%E0%A5%87%E0%A4%98" title="ऊर्टचा मेघ – marathera" lang="mr" hreflang="mr" data-title="ऊर्टचा मेघ" data-language-autonym="मराठी" data-language-local-name="marathera" class="interlanguage-link-target"><span>मराठी</span></a></li><li class="interlanguage-link interwiki-ms mw-list-item"><a href="https://ms.wikipedia.org/wiki/Awan_Oort" title="Awan Oort – malaysiera" lang="ms" hreflang="ms" data-title="Awan Oort" data-language-autonym="Bahasa Melayu" data-language-local-name="malaysiera" class="interlanguage-link-target"><span>Bahasa Melayu</span></a></li><li class="interlanguage-link interwiki-mt mw-list-item"><a href="https://mt.wikipedia.org/wiki/S%C4%A7aba_ta%27_Oort" title="Sħaba ta' Oort – maltera" lang="mt" hreflang="mt" data-title="Sħaba ta' Oort" data-language-autonym="Malti" data-language-local-name="maltera" class="interlanguage-link-target"><span>Malti</span></a></li><li class="interlanguage-link interwiki-my mw-list-item"><a href="https://my.wikipedia.org/wiki/%E1%80%A1%E1%80%B1%E1%80%AC%E1%80%90%E1%80%AD%E1%80%99%E1%80%BA%E1%80%90%E1%80%AD%E1%80%AF%E1%80%80%E1%80%BA" title="အောတိမ်တိုက် – birmaniera" lang="my" hreflang="my" data-title="အောတိမ်တိုက်" data-language-autonym="မြန်မာဘာသာ" data-language-local-name="birmaniera" class="interlanguage-link-target"><span>မြန်မာဘာသာ</span></a></li><li class="interlanguage-link interwiki-nds mw-list-item"><a href="https://nds.wikipedia.org/wiki/Oortsche_Wulk" title="Oortsche Wulk – behe-alemana" lang="nds" hreflang="nds" data-title="Oortsche Wulk" data-language-autonym="Plattdüütsch" data-language-local-name="behe-alemana" class="interlanguage-link-target"><span>Plattdüütsch</span></a></li><li class="interlanguage-link interwiki-nl mw-list-item"><a href="https://nl.wikipedia.org/wiki/Oortwolk" title="Oortwolk – nederlandera" lang="nl" hreflang="nl" data-title="Oortwolk" data-language-autonym="Nederlands" data-language-local-name="nederlandera" class="interlanguage-link-target"><span>Nederlands</span></a></li><li class="interlanguage-link interwiki-nn mw-list-item"><a href="https://nn.wikipedia.org/wiki/Oortskya" title="Oortskya – nynorsk (norvegiera)" lang="nn" hreflang="nn" data-title="Oortskya" data-language-autonym="Norsk nynorsk" data-language-local-name="nynorsk (norvegiera)" class="interlanguage-link-target"><span>Norsk nynorsk</span></a></li><li class="interlanguage-link interwiki-no mw-list-item"><a href="https://no.wikipedia.org/wiki/Oorts_sky" title="Oorts sky – bokmål (norvegiera)" lang="nb" hreflang="nb" data-title="Oorts sky" data-language-autonym="Norsk bokmål" data-language-local-name="bokmål (norvegiera)" class="interlanguage-link-target"><span>Norsk bokmål</span></a></li><li class="interlanguage-link interwiki-oc mw-list-item"><a href="https://oc.wikipedia.org/wiki/N%C3%ADvol_d%27Oort" title="Nívol d'Oort – okzitaniera" lang="oc" hreflang="oc" data-title="Nívol d'Oort" data-language-autonym="Occitan" data-language-local-name="okzitaniera" class="interlanguage-link-target"><span>Occitan</span></a></li><li class="interlanguage-link interwiki-pl badge-Q17437796 badge-featuredarticle mw-list-item" title="artikulu nabarmenduak"><a href="https://pl.wikipedia.org/wiki/Ob%C5%82ok_Oorta" title="Obłok Oorta – poloniera" lang="pl" hreflang="pl" data-title="Obłok Oorta" data-language-autonym="Polski" data-language-local-name="poloniera" class="interlanguage-link-target"><span>Polski</span></a></li><li class="interlanguage-link interwiki-pnb mw-list-item"><a href="https://pnb.wikipedia.org/wiki/%D8%A7%D9%88%D9%88%D8%B1%D9%B9_%D8%A8%D8%AF%D9%84" title="اوورٹ بدل – Western Punjabi" lang="pnb" hreflang="pnb" data-title="اوورٹ بدل" data-language-autonym="پنجابی" data-language-local-name="Western Punjabi" class="interlanguage-link-target"><span>پنجابی</span></a></li><li class="interlanguage-link interwiki-pt badge-Q17437796 badge-featuredarticle mw-list-item" title="artikulu nabarmenduak"><a href="https://pt.wikipedia.org/wiki/Nuvem_de_Oort" title="Nuvem de Oort – portugesa" lang="pt" hreflang="pt" data-title="Nuvem de Oort" data-language-autonym="Português" data-language-local-name="portugesa" 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/Norul_lui_Oort" title="Norul lui Oort – errumaniera" lang="ro" hreflang="ro" data-title="Norul lui Oort" data-language-autonym="Română" data-language-local-name="errumaniera" 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%9E%D0%B1%D0%BB%D0%B0%D0%BA%D0%BE_%D0%9E%D0%BE%D1%80%D1%82%D0%B0" title="Облако Оорта – errusiera" lang="ru" hreflang="ru" data-title="Облако Оорта" data-language-autonym="Русский" data-language-local-name="errusiera" class="interlanguage-link-target"><span>Русский</span></a></li><li class="interlanguage-link interwiki-scn mw-list-item"><a href="https://scn.wikipedia.org/wiki/Nubbi_di_Oort" title="Nubbi di Oort – siziliera" lang="scn" hreflang="scn" data-title="Nubbi di Oort" data-language-autonym="Sicilianu" data-language-local-name="siziliera" class="interlanguage-link-target"><span>Sicilianu</span></a></li><li class="interlanguage-link interwiki-sco mw-list-item"><a href="https://sco.wikipedia.org/wiki/Oort_clood" title="Oort clood – eskoziera" lang="sco" hreflang="sco" data-title="Oort clood" data-language-autonym="Scots" data-language-local-name="eskoziera" class="interlanguage-link-target"><span>Scots</span></a></li><li class="interlanguage-link interwiki-sh mw-list-item"><a href="https://sh.wikipedia.org/wiki/Oortov_oblak" title="Oortov oblak – serbokroaziera" lang="sh" hreflang="sh" data-title="Oortov oblak" data-language-autonym="Srpskohrvatski / српскохрватски" data-language-local-name="serbokroaziera" class="interlanguage-link-target"><span>Srpskohrvatski / српскохрватски</span></a></li><li class="interlanguage-link interwiki-simple mw-list-item"><a href="https://simple.wikipedia.org/wiki/Oort_cloud" title="Oort cloud – Simple English" lang="en-simple" hreflang="en-simple" data-title="Oort cloud" data-language-autonym="Simple English" data-language-local-name="Simple English" class="interlanguage-link-target"><span>Simple English</span></a></li><li class="interlanguage-link interwiki-sk mw-list-item"><a href="https://sk.wikipedia.org/wiki/Oortov_mrak_kom%C3%A9t" title="Oortov mrak komét – eslovakiera" lang="sk" hreflang="sk" data-title="Oortov mrak komét" data-language-autonym="Slovenčina" data-language-local-name="eslovakiera" 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/Oortov_oblak" title="Oortov oblak – esloveniera" lang="sl" hreflang="sl" data-title="Oortov oblak" data-language-autonym="Slovenščina" data-language-local-name="esloveniera" 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%9E%D1%80%D1%82%D0%BE%D0%B2_%D0%BE%D0%B1%D0%BB%D0%B0%D0%BA" title="Ортов облак – serbiera" lang="sr" hreflang="sr" data-title="Ортов облак" data-language-autonym="Српски / srpski" data-language-local-name="serbiera" 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/Oorts_kometmoln" title="Oorts kometmoln – suediera" lang="sv" hreflang="sv" data-title="Oorts kometmoln" data-language-autonym="Svenska" data-language-local-name="suediera" class="interlanguage-link-target"><span>Svenska</span></a></li><li class="interlanguage-link interwiki-sw mw-list-item"><a href="https://sw.wikipedia.org/wiki/Wingu_la_Oort" title="Wingu la Oort – swahilia" lang="sw" hreflang="sw" data-title="Wingu la Oort" data-language-autonym="Kiswahili" data-language-local-name="swahilia" class="interlanguage-link-target"><span>Kiswahili</span></a></li><li class="interlanguage-link interwiki-te mw-list-item"><a href="https://te.wikipedia.org/wiki/%E0%B0%8A%E0%B0%B0%E0%B1%8D%E0%B0%9F%E0%B1%8D_%E0%B0%AE%E0%B1%87%E0%B0%98%E0%B0%82" title="ఊర్ట్ మేఘం – telugua" lang="te" hreflang="te" data-title="ఊర్ట్ మేఘం" data-language-autonym="తెలుగు" data-language-local-name="telugua" class="interlanguage-link-target"><span>తెలుగు</span></a></li><li class="interlanguage-link interwiki-tg mw-list-item"><a href="https://tg.wikipedia.org/wiki/%D0%90%D0%B1%D1%80%D0%B8_%D0%BE%D0%BE%D1%80%D1%82" title="Абри оорт – tajikera" lang="tg" hreflang="tg" data-title="Абри оорт" data-language-autonym="Тоҷикӣ" data-language-local-name="tajikera" class="interlanguage-link-target"><span>Тоҷикӣ</span></a></li><li class="interlanguage-link interwiki-th mw-list-item"><a href="https://th.wikipedia.org/wiki/%E0%B9%80%E0%B8%A1%E0%B8%86%E0%B8%AD%E0%B8%AD%E0%B8%A3%E0%B9%8C%E0%B8%95" title="เมฆออร์ต – thailandiera" lang="th" hreflang="th" data-title="เมฆออร์ต" data-language-autonym="ไทย" data-language-local-name="thailandiera" class="interlanguage-link-target"><span>ไทย</span></a></li><li class="interlanguage-link interwiki-tl mw-list-item"><a href="https://tl.wikipedia.org/wiki/Ulap_na_Oort" title="Ulap na Oort – tagaloa" lang="tl" hreflang="tl" data-title="Ulap na Oort" data-language-autonym="Tagalog" data-language-local-name="tagaloa" class="interlanguage-link-target"><span>Tagalog</span></a></li><li class="interlanguage-link interwiki-tr mw-list-item"><a href="https://tr.wikipedia.org/wiki/Oort_bulutu" title="Oort bulutu – turkiera" lang="tr" hreflang="tr" data-title="Oort bulutu" data-language-autonym="Türkçe" data-language-local-name="turkiera" class="interlanguage-link-target"><span>Türkçe</span></a></li><li class="interlanguage-link interwiki-tt mw-list-item"><a href="https://tt.wikipedia.org/wiki/%D0%9E%D0%BE%D1%80%D1%82_%D0%B1%D0%BE%D0%BB%D1%8B%D1%82%D1%8B" title="Оорт болыты – tatarera" lang="tt" hreflang="tt" data-title="Оорт болыты" data-language-autonym="Татарча / tatarça" data-language-local-name="tatarera" class="interlanguage-link-target"><span>Татарча / tatarça</span></a></li><li class="interlanguage-link interwiki-uk mw-list-item"><a href="https://uk.wikipedia.org/wiki/%D0%A5%D0%BC%D0%B0%D1%80%D0%B0_%D0%9E%D0%BE%D1%80%D1%82%D0%B0" title="Хмара Оорта – ukrainera" lang="uk" hreflang="uk" data-title="Хмара Оорта" data-language-autonym="Українська" data-language-local-name="ukrainera" 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%A7%D9%88%D8%B1%D8%AA_%D8%A8%D8%A7%D8%AF%D9%84" title="اورت بادل – urdua" lang="ur" hreflang="ur" data-title="اورت بادل" data-language-autonym="اردو" data-language-local-name="urdua" class="interlanguage-link-target"><span>اردو</span></a></li><li class="interlanguage-link interwiki-uz mw-list-item"><a href="https://uz.wikipedia.org/wiki/Oort_buluti" title="Oort buluti – uzbekera" lang="uz" hreflang="uz" data-title="Oort buluti" data-language-autonym="Oʻzbekcha / ўзбекча" data-language-local-name="uzbekera" class="interlanguage-link-target"><span>Oʻzbekcha / ўзбекча</span></a></li><li class="interlanguage-link interwiki-vec mw-list-item"><a href="https://vec.wikipedia.org/wiki/Nube_de_Oort" title="Nube de Oort – veneziera" lang="vec" hreflang="vec" data-title="Nube de Oort" data-language-autonym="Vèneto" data-language-local-name="veneziera" class="interlanguage-link-target"><span>Vèneto</span></a></li><li class="interlanguage-link interwiki-vi mw-list-item"><a href="https://vi.wikipedia.org/wiki/%C4%90%C3%A1m_m%C3%A2y_Oort" title="Đám mây Oort – vietnamera" lang="vi" hreflang="vi" data-title="Đám mây Oort" data-language-autonym="Tiếng Việt" data-language-local-name="vietnamera" class="interlanguage-link-target"><span>Tiếng Việt</span></a></li><li class="interlanguage-link interwiki-war mw-list-item"><a href="https://war.wikipedia.org/wiki/Dampog_Oort" title="Dampog Oort – warayera" lang="war" hreflang="war" data-title="Dampog Oort" data-language-autonym="Winaray" data-language-local-name="warayera" class="interlanguage-link-target"><span>Winaray</span></a></li><li class="interlanguage-link interwiki-wuu mw-list-item"><a href="https://wuu.wikipedia.org/wiki/%E5%A5%A5%E5%B0%94%E7%89%B9%E4%BA%91" title="奥尔特云 – wu txinera" lang="wuu" hreflang="wuu" data-title="奥尔特云" data-language-autonym="吴语" data-language-local-name="wu txinera" class="interlanguage-link-target"><span>吴语</span></a></li><li class="interlanguage-link interwiki-xmf mw-list-item"><a href="https://xmf.wikipedia.org/wiki/%E1%83%9D%E1%83%9D%E1%83%A0%E1%83%A2%E1%83%90%E1%83%A8_%E1%83%9B%E1%83%A3%E1%83%9C%E1%83%90%E1%83%A4%E1%83%90" title="ოორტაშ მუნაფა – Mingrelian" lang="xmf" hreflang="xmf" data-title="ოორტაშ მუნაფა" data-language-autonym="მარგალური" data-language-local-name="Mingrelian" class="interlanguage-link-target"><span>მარგალური</span></a></li><li class="interlanguage-link interwiki-zh mw-list-item"><a href="https://zh.wikipedia.org/wiki/%E5%A5%A5%E5%B0%94%E7%89%B9%E4%BA%91" title="奥尔特云 – txinera" lang="zh" hreflang="zh" data-title="奥尔特云" data-language-autonym="中文" data-language-local-name="txinera" class="interlanguage-link-target"><span>中文</span></a></li><li class="interlanguage-link interwiki-zh-min-nan mw-list-item"><a href="https://zh-min-nan.wikipedia.org/wiki/Oort_h%C3%BBn" title="Oort hûn – Minnan" lang="nan" hreflang="nan" data-title="Oort hûn" data-language-autonym="閩南語 / Bân-lâm-gú" data-language-local-name="Minnan" class="interlanguage-link-target"><span>閩南語 / Bân-lâm-gú</span></a></li><li class="interlanguage-link interwiki-zh-yue mw-list-item"><a href="https://zh-yue.wikipedia.org/wiki/%E6%AD%90%E7%89%B9%E6%98%9F%E9%9B%B2" title="歐特星雲 – kantonera" lang="yue" hreflang="yue" data-title="歐特星雲" data-language-autonym="粵語" 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vector-pinnable-header-pinned" data-feature-name="appearance-pinned" data-pinnable-element-id="vector-appearance" data-pinned-container-id="vector-appearance-pinned-container" data-unpinned-container-id="vector-appearance-unpinned-container" > <div class="vector-pinnable-header-label">Itxura</div> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-appearance.pin">mugitu alboko barrara</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-appearance.unpin">ezkutatu</button> </div> </div> </div> </nav> </div> </div> <div id="bodyContent" class="vector-body" aria-labelledby="firstHeading" data-mw-ve-target-container> <div class="vector-body-before-content"> <div class="mw-indicators"> <div id="mw-indicator-3-featured-star" class="mw-indicator"><div class="mw-parser-output"><span typeof="mw:File"><a href="/wiki/Wikipedia:Artikulu_nabarmenduak" title="Artikulu hau nabarmendua da. Informazio gehiago nahi baduzu, egin klik hemen."><img alt="Artikulu hau nabarmendua da. Informazio gehiago nahi baduzu, egin klik hemen." src="//upload.wikimedia.org/wikipedia/commons/thumb/e/e7/Cscr-featured.svg/20px-Cscr-featured.svg.png" decoding="async" width="20" height="19" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/e/e7/Cscr-featured.svg/30px-Cscr-featured.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/e/e7/Cscr-featured.svg/40px-Cscr-featured.svg.png 2x" data-file-width="466" data-file-height="443" /></a></span></div></div> </div> <div id="siteSub" class="noprint">Wikipedia, Entziklopedia askea</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="eu" dir="ltr"><figure typeof="mw:File/Thumb"><a href="/wiki/Fitxategi:Kuiper_belt_-_Oort_cloud-eu.png" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/0/05/Kuiper_belt_-_Oort_cloud-eu.png/307px-Kuiper_belt_-_Oort_cloud-eu.png" decoding="async" width="307" height="267" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/0/05/Kuiper_belt_-_Oort_cloud-eu.png/461px-Kuiper_belt_-_Oort_cloud-eu.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/0/05/Kuiper_belt_-_Oort_cloud-eu.png/614px-Kuiper_belt_-_Oort_cloud-eu.png 2x" data-file-width="2509" data-file-height="2180" /></a><figcaption>Kuiper gerrikoa eta Oorten hodeia erakusten duen irudikapen artistikoa.</figcaption></figure> <p><b>Oorten hodeia</b><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>, <b>Öpik-Oorten hodeia</b> ere deitua, <a href="/wiki/Ernst_%C3%96pik" title="Ernst Öpik">Ernst Öpik</a> eta <a href="/wiki/Jan_Hendrik_Oort" title="Jan Hendrik Oort">Jan Oorten</a> omenez<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>, ustez <a href="/wiki/Eguzki-sistema" title="Eguzki-sistema">eguzki-sistemaren</a> mugan dagoen eta <a href="/wiki/Transneptunotar_objektuak" class="mw-redirect" title="Transneptunotar objektuak">transneptunotar objektuak</a> dituen hodei esferiko bat da. <a href="/wiki/Eguzkia" title="Eguzkia">Eguzkitik</a> ia <a href="/wiki/Argi-urte" title="Argi-urte">argi-urte</a> batera kokaturik dago, hau da, guregandik hurbilen dagoen <a href="/wiki/Proxima_Centauri" title="Proxima Centauri">Proxima Centauri</a> izarrera dagoen distantziaren laurden batera. Hodei hau oraindik ez da zuzenean behatua izan eta, horregatik, oraindik ezin izan da frogatu bere existentzia. Eguzkitik urrunen dauden objektu multzoak, hala nola, <a href="/wiki/Kuiper_gerrikoa" title="Kuiper gerrikoa">Kuiper gerrikoa</a>, <a href="/wiki/Transneptunotar_objektuak" class="mw-redirect" title="Transneptunotar objektuak">transneptunotar objektuak</a> eta <a href="/wiki/Disko_sakabanatua" title="Disko sakabanatua">disko sakabanatua</a>, Oorten hodeia baino ehun aldiz hurbilago daude Eguzkitik. Azkeneko estatistikek diotenez, hodei honek bilioi bat eta ehun bilioi objektu artean eduki ditzake; hori horrela bada, Lurrak duen masa halako bost izango luke hodeiak.  </p><p>Oorten hodeiak bi gune desberdin ditu: kanpoaldeko Oorten hodeiak forma esferikoa du, eta barnealdeko Oorten hodeiak, <a href="/wiki/Hillsen_hodeia" title="Hillsen hodeia">Hillsen hodeia</a> ere deituak, disko itxura. Hodeiaren barnean dauden objektuak <a href="/wiki/Izotz" title="Izotz">izotzez</a>, <a href="/wiki/Metano" title="Metano">metanoz</a> eta <a href="/wiki/Amoniako" title="Amoniako">amoniakoz</a> osatuak dira, beste substantzia batzuen artean. Objektu horiek, seguru aski, Eguzkitik oso hurbil sortu ziren, <a href="/wiki/Eguzki-sistema" title="Eguzki-sistema">eguzki-sistemaren</a> sorreraren lehen ataletan. Objektuok, sortu ondoren, gaur egun dauden kokalekuetara iritsi ziren, planeta erraldoien grabitazio indarraren ondorioz<sup id="cite_ref-:0_3-0" class="reference"><a href="#cite_note-:0-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup>. </p><p>Oorten hodeia oraindik ezin izan da zuzenean behatu (halako distantzian dagoen objektu bat ezin da behatu, ezta <a href="/wiki/X_izpi" title="X izpi">X izpiekin</a> ere). Hala ere, astronomoek uste dute bertan egon daitekeela <a href="/wiki/Halley_kometa" title="Halley kometa">Halley</a> eta periodo luzeko beste <a href="/wiki/Kometa" title="Kometa">kometa</a> guztien eta, beharbada, hainbat <a href="/wiki/Zentauro_(astronomia)" title="Zentauro (astronomia)">zentauro</a> eta <a href="/wiki/Jupiter" title="Jupiter">Jupiterren</a> kometaren jatorria<sup id="cite_ref-:1_4-0" class="reference"><a href="#cite_note-:1-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup>. Oorten hodeiaren kanpoaldean egon daitezkeen objektuak, seguraski, grabitazionalki ez dira oso lotuak egongo Eguzkiarekin eta beraz, inguruko izarren eta <a href="/wiki/Esne_Bidea" title="Esne Bidea">Esne Bidearen</a> eraginez, eguzki-sistemaren barnealdera jaurtiak izaten dira<sup id="cite_ref-:0_3-1" class="reference"><a href="#cite_note-:0-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup>. Periodo motzeko kometa gehienen sorlekua <a href="/wiki/Disko_sakabanatua" title="Disko sakabanatua">disko sakabanatuan</a> dagoen arren, astronomoek uste dute Oorten hodeian dutela bakan batzuek beraien sorlekua<sup id="cite_ref-:0_3-2" class="reference"><a href="#cite_note-:0-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-:1_4-1" class="reference"><a href="#cite_note-:1-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup>. <a href="/wiki/Kuiper_gerrikoa" title="Kuiper gerrikoa">Kuiper gerrikoan</a> eta disko sakabanatuan hainbat objektu aurkitu diren bitartean, Oorten hodeiaren kide diren bost objektu baino ez ditugu ezagutzen: <a href="/wiki/(90377)_Sedna" title="(90377) Sedna">(90377) Sedna</a>, <a href="/w/index.php?title=(148209)_2000_CR105&action=edit&redlink=1" class="new" title="(148209) 2000 CR105 (sortu gabe)">(148209) 2000 CR105</a>, <a href="/w/index.php?title=(308933)_2006_SQ372&action=edit&redlink=1" class="new" title="(308933) 2006 SQ372 (sortu gabe)">(308933) 2006 SQ372</a>, <a href="/w/index.php?title=2008_KV42&action=edit&redlink=1" class="new" title="2008 KV42 (sortu gabe)">2008 KV42</a> eta  <a href="/wiki/2012_VP113" title="2012 VP113">2012 VP113</a><sup id="cite_ref-:7_5-0" class="reference"><a href="#cite_note-:7-5"><span class="cite-bracket">[</span>5<span class="cite-bracket">]</span></a></sup>. Aipatutako objektu guztiak barnealdeko Oorten hodeian kokaturik daude<sup id="cite_ref-6" class="reference"><a href="#cite_note-6"><span class="cite-bracket">[</span>6<span class="cite-bracket">]</span></a></sup>. 2015eko azaroaren 10ean <a href="/wiki/Nature" title="Nature">Nature</a> aldizkariak trasneptunotar objektu berri bat aurkitu zela zabaldu zuen, Oorten hodeian kokaturik egon beharko luke objektu honek, Natureren arabera<sup id="cite_ref-7" class="reference"><a href="#cite_note-7"><span class="cite-bracket">[</span>7<span class="cite-bracket">]</span></a></sup>. </p> <meta property="mw:PageProp/toc" /> <div class="mw-heading mw-heading2"><h2 id="Lehenengo_hipotesiak">Lehenengo hipotesiak</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Oorten_hodeia&veaction=edit&section=1" title="Aldatu atal hau: «Lehenengo hipotesiak»" class="mw-editsection-visualeditor"><span>aldatu</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Oorten_hodeia&action=edit&section=1" title="Edit section's source code: Lehenengo hipotesiak"><span>aldatu iturburu kodea</span></a><span class="mw-editsection-bracket">]</span></span></div> <p><a href="/wiki/1932" title="1932">1932an,</a> <a href="/wiki/Ernst_%C3%96pik" title="Ernst Öpik">Ernst Öpik</a> astronomo <a href="/wiki/Estonia" title="Estonia">estoniarrak</a> esan zuen periodo luzeko kometak eguzki-sistemaren kanpoaldean zegoen laino urrun batean sortzen zirela.<sup id="cite_ref-8" class="reference"><a href="#cite_note-8"><span class="cite-bracket">[</span>8<span class="cite-bracket">]</span></a></sup> <a href="/wiki/1950" title="1950">1950ean</a>, <a href="/wiki/Jan_Hendrik_Oort" title="Jan Hendrik Oort">Jan Oort</a> astronomo <a href="/wiki/Herbehereak" title="Herbehereak">holandarrak</a> teoria bat proposatu zuen periodo luzeko kometen misterioa ebazteko.<sup id="cite_ref-:2_9-0" class="reference"><a href="#cite_note-:2-9"><span class="cite-bracket">[</span>9<span class="cite-bracket">]</span></a></sup> Kometen orbitak oso ezegonkorrak dira, hauen <a href="/wiki/Dinamika" title="Dinamika">dinamikak</a> erabiltzen du beraz, Eguzkiarekin edo <a href="/wiki/Planeta" title="Planeta">planeta</a> batekin talka egingo duten edo ez. Eguzki-sistematik kanpora jaurtiak ere izan daitezke, planeten grabitazioaren eraginez. Gainera, kometak izotzez eta bestelako material lurrunkorrez osaturik daudenez, material hauek poliki-poliki kanporatuak izaten dira, <a href="/wiki/Erradiazio_elektromagnetikoa" title="Erradiazio elektromagnetikoa">erradiazio elektromagnetikoaren</a> ondorioz. Azkenean, kometa zatitu egiten da, bere lurrunketa geldituko duen gainazal isolatzaile bat lortzen ez badu. Esandakoa aipatuz, Oortek erantsi zuen kometen sorlekua ezinezkoa zela gaur egun duten lekua izatea, eta horrela, ondoren Oorten hodeia deituko zen eremu bat egon beharko zuela proposatu zuen. Eremu honetan kometen biltegi erraldoi bat existitu beharko zuela ere esan zuen eta poliki-poliki lehen aipatutako indar grabitazionalen ondorioz, eguzki-sistemaren barnealdera erakarriak izan beharko zutela.<sup id="cite_ref-:2_9-1" class="reference"><a href="#cite_note-:2-9"><span class="cite-bracket">[</span>9<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-:6_10-0" class="reference"><a href="#cite_note-:6-10"><span class="cite-bracket">[</span>10<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-:3_11-0" class="reference"><a href="#cite_note-:3-11"><span class="cite-bracket">[</span>11<span class="cite-bracket">]</span></a></sup> </p><p>Bi kometa mota existitzen dira: periodo motzekoak (kometa eliptikoak ere deituak), 10 <a href="/wiki/Unitate_astronomiko" title="Unitate astronomiko">UA</a> baino orbita txikiagoak dituzte kometa hauek, eta periodo luzeko kometak (kometa hauek ia <a href="/wiki/Isotropia" title="Isotropia">isotropikoak</a> dira), hauen orbitak 1000 UA baino handiagoak izan ohi dira. Oortek ia isotropikoak ziren kometak aztertu zituen eta aurkitu zuen kometa hauetatik gehienek 20.000 UAko <a href="/wiki/Afelio" title="Afelio">afelioa</a> (objektuak Eguzkitik urrunen dauden unea) izan ohi zutela. Azterketa honek Oorten hodeiaren teoria indartu zuen. 10.000 UA inguruko afelioa zuten kometak, une batean Eguzkitik oso hurbil pasa zirela pentsatu zuen Oortek, baina bidaia honetan, bidean aurkitu zituzten planetek beraien orbitak txikiarazi zituzten, beraien indar grabitazionalen ondorioz.<sup id="cite_ref-:3_11-1" class="reference"><a href="#cite_note-:3-11"><span class="cite-bracket">[</span>11<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="Osaera_eta_egitura">Osaera eta egitura</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Oorten_hodeia&veaction=edit&section=2" title="Aldatu atal hau: «Osaera eta egitura»" class="mw-editsection-visualeditor"><span>aldatu</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Oorten_hodeia&action=edit&section=2" title="Edit section's source code: Osaera eta egitura"><span>aldatu iturburu kodea</span></a><span class="mw-editsection-bracket">]</span></span></div> <figure class="mw-halign-right" typeof="mw:File/Thumb"><a href="/wiki/Fitxategi:Oort_cloud_Sedna_orbit-es.svg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/d/d7/Oort_cloud_Sedna_orbit-es.svg/300px-Oort_cloud_Sedna_orbit-es.svg.png" decoding="async" width="300" height="300" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/d/d7/Oort_cloud_Sedna_orbit-es.svg/450px-Oort_cloud_Sedna_orbit-es.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/d/d7/Oort_cloud_Sedna_orbit-es.svg/600px-Oort_cloud_Sedna_orbit-es.svg.png 2x" data-file-width="2499" data-file-height="2499" /></a><figcaption>Oorten hodeiaren distantzia eguzki-sistemako gainerako objektuenekin alderatuta. </figcaption></figure> <p>Gaur egun uste da Oorten hodeia Eguzkitik 2.000 edo 5.000 <a href="/wiki/Unitate_astronomiko" title="Unitate astronomiko">UAra</a><sup id="cite_ref-:3_11-2" class="reference"><a href="#cite_note-:3-11"><span class="cite-bracket">[</span>11<span class="cite-bracket">]</span></a></sup> hasten dela eta 50.000 UAra<sup id="cite_ref-:0_3-3" class="reference"><a href="#cite_note-:0-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup> amaitzen dela. Hala ere, iturri batzuen arabera, 100.000 eta 200.000 UA bitartean egon beharko litzake hodei honen bukaerak.<sup id="cite_ref-:3_11-3" class="reference"><a href="#cite_note-:3-11"><span class="cite-bracket">[</span>11<span class="cite-bracket">]</span></a></sup> Lehen aipatu dugun bezala, Oorten hodeia bi eremuetan zatitu daiteke, barne Oorten hodeia (Eguzkitik 2000 UAra hasi eta 20.000 UAra amaitzen den zati esferikoa) eta kanpo Oorten hodeia (20.000 UAra hasi eta 50.000 UAra amaitzen den flotagailu itxurako zatia). </p><p>Kanpo Oorten hodeiak ez du lotura handirik Eguzkiarekin, eta periodo luzeko kometa gehienen jatorria da.<sup id="cite_ref-:0_3-4" class="reference"><a href="#cite_note-:0-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup> Bestalde, barne Oorten hodeiak edo Hillsen hodeiak (<a href="/w/index.php?title=Jack_g._hills&action=edit&redlink=1" class="new" title="Jack g. hills (sortu gabe)">Jack G. Hillsen</a> ohorez, astronomo honek eremu honen izatea proposatu zuen <a href="/wiki/1981" title="1981">1981ean</a><sup id="cite_ref-:4_12-0" class="reference"><a href="#cite_note-:4-12"><span class="cite-bracket">[</span>12<span class="cite-bracket">]</span></a></sup>) astronomoen ustetan, kanpoaldekoak baino askoz objektu gehiago eduki beharko lituzke; zehazki, dozenaka edo ehunka objektu gehiago eduki beharko lituzkeela pentsatzen dute.<sup id="cite_ref-:4_12-1" class="reference"><a href="#cite_note-:4-12"><span class="cite-bracket">[</span>12<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-13" class="reference"><a href="#cite_note-13"><span class="cite-bracket">[</span>13<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-14" class="reference"><a href="#cite_note-14"><span class="cite-bracket">[</span>14<span class="cite-bracket">]</span></a></sup> Dirudienez, Hillsen hodeiak kanpoaldeko hodeiari kometak itzultzen dizkio, hauen indarra asko gutxitzen denean eta ezin dutenean beraien kabuz beraien hasierako lekura iritsi, hau da, kanpoaldeko Oorten hodeira. Honek, Oorten hodeiaren iraupena azalduko luke.<sup id="cite_ref-15" class="reference"><a href="#cite_note-15"><span class="cite-bracket">[</span>15<span class="cite-bracket">]</span></a></sup> </p><p>Gaur egun uste da Oorten hodeiak guztira 1,3 <a href="/wiki/Kilometro" title="Kilometro">kilometroko</a> <a href="/wiki/Diametro" title="Diametro">diametroa</a> baino handiagoa duten hainbat bilioi objektu dituela bere eremuan orbitatzen. Gainera, +10,9ko <a href="/wiki/Magnitude_absolutu" title="Magnitude absolutu">magnitude absolutua</a> baino txikiagoa (zenbat eta magnitude txikiagoa, orduan eta distira handiagoa) duten bostehun mila milioi objektu inguru ere eduki beharko lituzke.<sup id="cite_ref-:0_3-5" class="reference"><a href="#cite_note-:0-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-16" class="reference"><a href="#cite_note-16"><span class="cite-bracket">[</span>Oharra 1<span class="cite-bracket">]</span></a></sup> Objektuen kopurua handia den arren, bakoitza dozenaka milioi kilometroko distantziek bananduko lituzkete, bataz beste.<sup id="cite_ref-:1_4-2" class="reference"><a href="#cite_note-:1-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-17" class="reference"><a href="#cite_note-17"><span class="cite-bracket">[</span>16<span class="cite-bracket">]</span></a></sup> Oraindik Oorten hodeiaren masa ezagutzen ez den arren, Halley kometa oinarritzat hartuta, gutxi gorabehera, 3x10<sup>25</sup> <a href="/wiki/Kg" class="mw-redirect" title="Kg">kg</a>-koa izan beharko luke, hau da, <a href="/wiki/Lurra" title="Lurra">Lurraren</a> masa halako bost.<sup id="cite_ref-:0_3-6" class="reference"><a href="#cite_note-:0-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-18" class="reference"><a href="#cite_note-18"><span class="cite-bracket">[</span>17<span class="cite-bracket">]</span></a></sup> Orain dela gutxi arte, hodei honen masa Lurrarena halako hirurehun eta laurogei zela pentsatzen zen<sup id="cite_ref-19" class="reference"><a href="#cite_note-19"><span class="cite-bracket">[</span>18<span class="cite-bracket">]</span></a></sup>, baina Halley bezalako periodo luzeko kometen banaketaren konpresioak baliopenak murriztu ditu. Esan dugun guztiaren gainetik, adierazi behar da ez dela ziurtasunez ezagutzen zein den Oorten hodeiaren masa. </p><p>Aztertu diren kometak Oorten hodeian dauden gainerako kometen antzekoak badira, gehiengoak <a href="/wiki/Izotz" title="Izotz">izotzez</a>, <a href="/wiki/Metano" title="Metano">metanoz</a>, <a href="/wiki/Etano" title="Etano">etanoz</a>, <a href="/wiki/Karbono_monoxido" title="Karbono monoxido">karbono monoxidoz</a> eta <a href="/wiki/Azido_zianhidriko" title="Azido zianhidriko">azido zianhidrikoz</a> osaturiko egon beharko luke.<sup id="cite_ref-20" class="reference"><a href="#cite_note-20"><span class="cite-bracket">[</span>19<span class="cite-bracket">]</span></a></sup> Horretaz gain, <a href="/w/index.php?title=1996_PW&action=edit&redlink=1" class="new" title="1996 PW (sortu gabe)">1996 PW</a> <a href="/wiki/Transneptunotar_objektu" class="mw-redirect" title="Transneptunotar objektu">transneptunotar objektuaren</a> aurkikuntzak erakutsi du, esan beharra dago objektu honen orbita berezia periodo luzeko kometen antzekoa dela,<code>{{<a href="/wiki/Txantiloi:Zuzendu" title="Txantiloi:Zuzendu">Zuzendu</a>}}</code> Oorten hodeian dauden objektu batzuk harritsuak direla.<sup id="cite_ref-21" class="reference"><a href="#cite_note-21"><span class="cite-bracket">[</span>20<span class="cite-bracket">]</span></a></sup> <a href="/wiki/Karbono" title="Karbono">Karbonozko</a> eta <a href="/wiki/Nitrogeno" title="Nitrogeno">nitrogenozko</a> <a href="/wiki/Isotopo" title="Isotopo">isotopoen</a> azterketek erakutsi dute Oorten hodeian dauden kometak eta Jupiterren kometak deritzenak oso antzekoak direla, beraien artean dauden distantziak ikaragarriak diren arren. Beraz, azterketa horiek adierazten digute kometa guztiak eguzki-sistemaren sorreran zegoen hodeian sortu zirela<sup id="cite_ref-22" class="reference"><a href="#cite_note-22"><span class="cite-bracket">[</span>21<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-:5_23-0" class="reference"><a href="#cite_note-:5-23"><span class="cite-bracket">[</span>22<span class="cite-bracket">]</span></a></sup>. Esandakoa Oorten hodeian dauden kometak aztertu dituzten hainbat ikerketak eta erakundek ere onartzen dute<sup id="cite_ref-24" class="reference"><a href="#cite_note-24"><span class="cite-bracket">[</span>23<span class="cite-bracket">]</span></a></sup>. <a href="/wiki/9P/Tempel_1" title="9P/Tempel 1">9P/Tempel 1</a> kometaren talken inguruan egin ziren ikerketek ere ontzat hartzen dute goian adierazitakoa<sup id="cite_ref-25" class="reference"><a href="#cite_note-25"><span class="cite-bracket">[</span>24<span class="cite-bracket">]</span></a></sup>. </p> <div class="mw-heading mw-heading2"><h2 id="Jatorria">Jatorria</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Oorten_hodeia&veaction=edit&section=3" title="Aldatu atal hau: «Jatorria»" class="mw-editsection-visualeditor"><span>aldatu</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Oorten_hodeia&action=edit&section=3" title="Edit section's source code: Jatorria"><span>aldatu iturburu kodea</span></a><span class="mw-editsection-bracket">]</span></span></div> <figure typeof="mw:File/Thumb"><a href="/wiki/Fitxategi:Protoplanetary_disk.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/e/e8/Protoplanetary_disk.jpg/306px-Protoplanetary_disk.jpg" decoding="async" width="306" height="204" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/e/e8/Protoplanetary_disk.jpg/459px-Protoplanetary_disk.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/e/e8/Protoplanetary_disk.jpg/612px-Protoplanetary_disk.jpg 2x" data-file-width="800" data-file-height="534" /></a><figcaption><a href="/w/index.php?title=Diska_protoplanetario&action=edit&redlink=1" class="new" title="Diska protoplanetario (sortu gabe)">Diska protoplanetario</a> baten irudikapen artistikoa, <a href="/wiki/Eguzki-sistema" title="Eguzki-sistema">eguzki-sistema</a> sortu zuenaren antzekoa. Pentsatzen da Oorten hodeia osatzen duten objektuak diska hauen barnealdean sortu zirela, (gaur egun duten posizioa baino askoz hurbilago) Jupiter bezalako gasezko erraldoiak sortzen ari ziren inguruan. Planeta erraldoi hauen grabitateak eguzki-sistemaren kanpoaldera bultzatu zituztela uste da. </figcaption></figure> <p>Oorten hodeia, <a href="/wiki/Eguzki_sistemaren_sorrera_eta_garapena" class="mw-redirect" title="Eguzki sistemaren sorrera eta garapena">eguzki-sistemako gainerako gorputzak bezala</a>, <a href="/wiki/Disko_protoplanetario" title="Disko protoplanetario">disko protoplanetarioan</a> sortu zela dirudi, duela 4600 milioi urte.<sup id="cite_ref-:0_3-7" class="reference"><a href="#cite_note-:0-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-:5_23-1" class="reference"><a href="#cite_note-:5-23"><span class="cite-bracket">[</span>22<span class="cite-bracket">]</span></a></sup> Onartuen dagoen hipotesiak dio Oorten hodeiko objektuak Eguzkitik oso hurbil sortu zirela, gainerako <a href="/wiki/Planeta" title="Planeta">planeta</a> eta <a href="/wiki/Asteroide" title="Asteroide">asteroide</a> guztiak sortu ziren une berdinean. Objektu txiki horiek planeta berri gazteekin, adibidez, <a href="/wiki/Jupiter" title="Jupiter">Jupiter</a> eta <a href="/wiki/Saturno" title="Saturno">Saturno</a> bezalako <a href="/wiki/Gasezko_erraldoi" title="Gasezko erraldoi">gasezko erraldoiekin</a>, izan zituzten topaketen erruz, objektu txiki horiek eguzki-sistemaren barnealdetik kanpora bidali zituzten planeten grabitazio indarren bidez, orbita <a href="/w/index.php?title=Orbita_eliptiko&action=edit&redlink=1" class="new" title="Orbita eliptiko (sortu gabe)">eliptiko</a> eta <a href="/wiki/Parabola_(matematika)" title="Parabola (matematika)">parabolikoak</a> egitera behartuz.<sup id="cite_ref-26" class="reference"><a href="#cite_note-26"><span class="cite-bracket">[</span>25<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-27" class="reference"><a href="#cite_note-27"><span class="cite-bracket">[</span>26<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-28" class="reference"><a href="#cite_note-28"><span class="cite-bracket">[</span>27<span class="cite-bracket">]</span></a></sup> Oorten hodeiaren sorrerari buruzko hainbat simulazio egin dira, eta horiek erakutsi dute, hodei honek inoiz izan duen masarik handiena, sortu eta handik 800 milioi urtera lortu zuela.<sup id="cite_ref-:0_3-8" class="reference"><a href="#cite_note-:0-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup> </p><p><a href="/w/index.php?title=Julio_%C3%81ngel_Fern%C3%A1ndez&action=edit&redlink=1" class="new" title="Julio Ángel Fernández (sortu gabe)">Julio Ángel Fernández</a> astronomo <a href="/wiki/Uruguai" title="Uruguai">uruguaitarrak</a> egin dituen ikerketek adierazten digute <a href="/wiki/Disko_sakabanatua" title="Disko sakabanatua">disko sakabanatua</a> eguzki-sistemako kometa periodikoen iturri nagusia dela, eta agian, Oorten hodeian dauden objektuen iturria ere izan daiteke. Bere ikerketek diotenez, objektu sakabanatuen erdiek Oorten hodeira bidaiatzen dute, laurden bat Jupiterren inguruan orbitatzen geratzen da, harrapatuta, eta beste laurdena barne eguzki-sistematik kanporatuak edo jaurtiak izaten dira, orbita <a href="/wiki/Parabola_(matematika)" title="Parabola (matematika)">parabolikoetan</a>. Agian, disko sakabanatua oraindik Oorten hodeia elikatzen ari da, objektu berriak hara bidaliz.<sup id="cite_ref-29" class="reference"><a href="#cite_note-29"><span class="cite-bracket">[</span>28<span class="cite-bracket">]</span></a></sup> Egin diren azkeneko kalkuluek diote gaur egun disko sakabanatuan dauden objektuen heren bat 2500 milioi urte barru Oorten hodeira garraiatua izango dela.<sup id="cite_ref-30" class="reference"><a href="#cite_note-30"><span class="cite-bracket">[</span>29<span class="cite-bracket">]</span></a></sup> </p><p>Ordenagailuekin egin diren ikerketek erakutsi dute kometen hondakinek elkarren aurka egiten dituzten talkek uste genuena baino garrantzi handiagoa dutela. Ikerketa horiei erreparatzen badiegu, jakin dezakegu eguzki-sistemaren hasieran hondakin horien artean egondako milioika talkek kometa asko suntsitu zituztela, Oorten hodeira bidean zeudela. Hori horrela bada, lehen uste genuena baino askoz masa gutxiago izango du Oorten hodeiak.<sup id="cite_ref-31" class="reference"><a href="#cite_note-31"><span class="cite-bracket">[</span>30<span class="cite-bracket">]</span></a></sup> Kalkuluak eginez, barne eguzki-sistematik kanporatu zen masa, zehazki, Lurraren masa halako berrogeita hamar eta ehun artean, ez dago osotasunean Oorten hodeian, baizik eta zati txiki bat baino ez.<sup id="cite_ref-:0_3-9" class="reference"><a href="#cite_note-:0-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup> </p><p>Kometek gainerako izarrekin dituzten elkarrekintzek eta <a href="/w/index.php?title=Marea_galaktiko&action=edit&redlink=1" class="new" title="Marea galaktiko (sortu gabe)">marea galaktikoak</a>, haien orbita aldatzen dute, biribilago bihurtuz. Horrek kanpoaldeko Oorten hodeiaren forma esferikoa azal lezake.<sup id="cite_ref-:0_3-10" class="reference"><a href="#cite_note-:0-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup> Bestalde, barnealdeko Oorten hodeiak, Eguzkiarekin harreman gehiago duenez, oraindik ez du aipatutako forma lortu. Azkeneko ikerketek erakutsi dute bateragarriak direla Eguzkia berrehun-laurehun izarreko <a href="/wiki/Izar_kumulu" class="mw-redirect" title="Izar kumulu">kumulu</a> batean sortu zelako hipotesia eta Oorten hodeiaren sorrera. Hipotesia zuzena bada, kumuluan zeuden lehen izarrek agian Oorten hodeiaren sorreran eragingo zuten, eta beraz, izarrek hainbat perturbazio edo asaldatze eragingo zituzten.<sup id="cite_ref-32" class="reference"><a href="#cite_note-32"><span class="cite-bracket">[</span>31<span class="cite-bracket">]</span></a></sup> </p><p>2010eko ekainean Harolf F. Levison eta beste batzuek proposatu zuten, ordenagailu bidezko simulazioen bidez, Eguzkiak "beste izarretako kometak harrapatu zituela jaiotzen ari zenean". Euren emaitzaren arabera "Oorten hodeiaren kometen frakzio handi bat, agian % 90 baino gehiago, izarren disko protoplanetarioaren parte dira"<sup id="cite_ref-33" class="reference"><a href="#cite_note-33"><span class="cite-bracket">[</span>32<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-34" class="reference"><a href="#cite_note-34"><span class="cite-bracket">[</span>33<span class="cite-bracket">]</span></a></sup>. </p> <div class="mw-heading mw-heading2"><h2 id="Kometak">Kometak</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Oorten_hodeia&veaction=edit&section=4" title="Aldatu atal hau: «Kometak»" class="mw-editsection-visualeditor"><span>aldatu</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Oorten_hodeia&action=edit&section=4" title="Edit section's source code: Kometak"><span>aldatu iturburu kodea</span></a><span class="mw-editsection-bracket">]</span></span></div> <div style="font-style: italic; padding-left: 2em; margin-bottom: 0.5em;">Sakontzeko, irakurri: «<a href="/wiki/Kometa" title="Kometa">Kometa</a>»</div> <figure class="mw-default-size mw-halign-right" typeof="mw:File/Thumb"><a href="/wiki/Fitxategi:Lspn_comet_halley.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/2/2a/Lspn_comet_halley.jpg/220px-Lspn_comet_halley.jpg" decoding="async" width="220" height="153" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/2/2a/Lspn_comet_halley.jpg/330px-Lspn_comet_halley.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/2/2a/Lspn_comet_halley.jpg/440px-Lspn_comet_halley.jpg 2x" data-file-width="1492" data-file-height="1036" /></a><figcaption><a href="/wiki/Halley_kometa" title="Halley kometa">Halley kometa</a>, Halley motako kometen prototipoa da (periodo motzeko kometak), ustez Oorten hodeian sortu ziren kometa hauek</figcaption></figure> <p>Gaur egun uste da <a href="/wiki/Kometa" title="Kometa">kometak</a> eguzki-sistemako bi puntu ezberdinetan sortu zirela. Periodo motzeko kometa gehienak <a href="/wiki/Kuiper_gerrikoa" title="Kuiper gerrikoa">Kuiper gerrikoan</a> edo <a href="/wiki/Disko_sakabanatua" title="Disko sakabanatua">disko sakabanatuan</a> sortu ziren, hau da, <a href="/wiki/Pluton_(planeta_nanoa)" title="Pluton (planeta nanoa)">Plutonen</a> orbitatik hasita (Eguzkitik 38 <a href="/wiki/UA" class="mw-redirect" title="UA">UA</a>ra) Eguzkitik 100 UAra bitarteko gune horretan. Bestalde, periodo luzeko kometak, <a href="/wiki/Hale-Bopp_kometa" title="Hale-Bopp kometa">Hale-Bopp kometa</a> bezalakoak, beraien orbita betetzeko milaka urte behar dituzten kometa hauek, Oorten hodeian sortu zirela uste da. Kuiper gerrikoak bere orbita egonkorraren ondorioz kometa gutxi sortzen dituen bitartean, diska sakabanatua askoz aktiboagoa da kometak sortzeko orduan.<sup id="cite_ref-:3_11-4" class="reference"><a href="#cite_note-:3-11"><span class="cite-bracket">[</span>11<span class="cite-bracket">]</span></a></sup> Kometek disko sakabanatutik ihes egiten dutenean, <a href="/wiki/Gasezko_erraldoi" title="Gasezko erraldoi">gasezko erraldoien</a> mende geratzen dira, eta kometa horiei <a href="/wiki/Zentauro_(astronomia)" title="Zentauro (astronomia)">zentauro</a> deitzen zaie.<sup id="cite_ref-35" class="reference"><a href="#cite_note-35"><span class="cite-bracket">[</span>34<span class="cite-bracket">]</span></a></sup> Zentauro horiek poliki-poliki eguzki-sistemaren barnealdera bidaliak izaten dira, periodo motzeko kometa bihurtuz.<sup id="cite_ref-36" class="reference"><a href="#cite_note-36"><span class="cite-bracket">[</span>35<span class="cite-bracket">]</span></a></sup> </p><p>Periodo motzeko kometak bi azpiataletan bereiz daitezke: <a href="/wiki/Jupiter" title="Jupiter">Jupiterren</a> familiakoak eta Halleyren familiakoak (Halley motako kometa ere deituak). Beraien arteko ezberdintasun nagusia periodoan dago, lehenengoek hogei urte baino gutxiago behar dituzte betetzeko eta 5 UA inguruko <a href="/wiki/Ardatzerdi_handi" title="Ardatzerdi handi">ardatzerdi handiak</a> dituzte. Bigarrenek aldiz, hogei urte baino gehiago behar dituzte periodo bukatzeko eta beraien ardatzerdi handia 10 UA baino handiagoa izan ohi da. <a href="/wiki/Tisseranden_parametroa" class="mw-redirect" title="Tisseranden parametroa">Tisseranden parametroa</a> ere erabili daiteke bi kometa familiak ezberdintzeko, hurrena da bien arteko banaketa muga: <span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle T_{p}=2}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <msub> <mi>T</mi> <mrow class="MJX-TeXAtom-ORD"> <mi>p</mi> </mrow> </msub> <mo>=</mo> <mn>2</mn> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle T_{p}=2}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/8352329a8f5772b1bcb4e5f5e61b587cb576b51e" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -1.005ex; width:6.678ex; height:2.843ex;" alt="{\displaystyle T_{p}=2}"></span><sup id="cite_ref-37" class="reference"><a href="#cite_note-37"><span class="cite-bracket">[</span>Oharra 2<span class="cite-bracket">]</span></a></sup>, hala eta guztiz ere, parametro honen eraginkortasuna zalantzan dago. Hortaz gain, Jupiterren familiako kometek makurdura orbital txikia eduki ohi dute, bataz beste 10°. Halley familiako kometek aldiz, makurdura orbital oso desberdinak dituzte, hala ere gehienak handiak izan ohi dira, 41° ingurukoak. Ezberdintasun guzti hauen jatorria beraien sorreran dago: Jupiterren familiako kometa gehienak diska sakabanatuan sortu ziren bitartean, Halleyren familiakoak Oorten hodeian sortu ziren.<sup id="cite_ref-38" class="reference"><a href="#cite_note-38"><span class="cite-bracket">[</span>36<span class="cite-bracket">]</span></a></sup> Pentsatzen da azkeneko kometa hauek garai batean periodo luzeko kometak izan zirela, baina planeten grabitatearen eraginez, eguzki-sistemaren barnealdera bidaliak izan zirela.<sup id="cite_ref-:6_10-1" class="reference"><a href="#cite_note-:6-10"><span class="cite-bracket">[</span>10<span class="cite-bracket">]</span></a></sup> </p><p>Jan Oort konturatu zen bere ereduan ezarri zuen kometen kantitatea benetako kantitatea baino handiagoa zela, arazo hau oraindik ezin izan da konpondu. Hainbat hipotesik diote, kometa batzuk <a href="/wiki/Itsasaldiaren_indar" title="Itsasaldiaren indar">itsasaldiaren indarren</a> bidez deuseztatu zirela edo elkarren arteko talken ondorioz suntsitu zirela; beste batzuek aldiz, kometek zituzten material lurrunkorrak deuseztatu zirela, edo kometek beraien gainazalean lurrunkorrak ez ziren materialekin eginiko estalki bat sortu zutela irizten diote, hau horrela balitz, kometa hauek ikusezinak izango lirateke.<sup id="cite_ref-39" class="reference"><a href="#cite_note-39"><span class="cite-bracket">[</span>37<span class="cite-bracket">]</span></a></sup> Egin diren behaketa batzuek adierazi dute, kanpo-planetek kometekin gertakari gehiago izaten dituztela barne-planetek baino. Seguruenik, hau jazotzearen erruduna Jupiter planeta da, bere grabitazio indarraren bidez ezkutu bat bezala jarduten duelako kometen aurrean, planeta honek kometak harrapatuko lituzke eta azkenean bere aurka talka egingo lukete. Horren adibide dugu <a href="/w/index.php?title=Shoemaker-Levy_9&action=edit&redlink=1" class="new" title="Shoemaker-Levy 9 (sortu gabe)">Shoemaker-Levy 9</a> kometa, zeinak <a href="/wiki/1994" title="1994">1994an</a> bere aurka talka egin baitzuen.<sup id="cite_ref-:8_40-0" class="reference"><a href="#cite_note-:8-40"><span class="cite-bracket">[</span>38<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="Marea-indarrak">Marea-indarrak</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Oorten_hodeia&veaction=edit&section=5" title="Aldatu atal hau: «Marea-indarrak»" class="mw-editsection-visualeditor"><span>aldatu</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Oorten_hodeia&action=edit&section=5" title="Edit section's source code: Marea-indarrak"><span>aldatu iturburu kodea</span></a><span class="mw-editsection-bracket">]</span></span></div> <figure typeof="mw:File/Thumb"><a href="/wiki/Fitxategi:Mareak_Ilargia_eta_Lurra.svg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/f/fd/Mareak_Ilargia_eta_Lurra.svg/231px-Mareak_Ilargia_eta_Lurra.svg.png" decoding="async" width="231" height="159" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/f/fd/Mareak_Ilargia_eta_Lurra.svg/347px-Mareak_Ilargia_eta_Lurra.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/f/fd/Mareak_Ilargia_eta_Lurra.svg/462px-Mareak_Ilargia_eta_Lurra.svg.png 2x" data-file-width="580" data-file-height="400" /></a><figcaption>Ilargiak Lurraren ozeanoetako mareetan izaten duen eragina bezala, Esne Bideak ere antzekoa egiten dio Oorten hodeiari, kasu honetan, Ilargia Esne Bidea izango zen bitartean,  Lurreko ozeanoak Oorten hodeiko objektuak izango lirateke. </figcaption></figure> <p><a href="/wiki/Itsasaldiaren_indar" title="Itsasaldiaren indar">Itsasaldiaren indarrak</a>, distantzia murrizten duen objektu baten <a href="/wiki/Grabitazioa" class="mw-redirect" title="Grabitazioa">grabitatearen</a> ondorioz gertatzen dira. Itsaldiaren indarrak edo marea-indarrak guregandik hurbil ditugu, <a href="/wiki/Ilargia" title="Ilargia">Ilargiak</a> horixe bera egiten baitie <a href="/wiki/Ilargia" title="Ilargia">Lurreko</a> <a href="/wiki/Ozeano" title="Ozeano">ozeanoei</a>. Itsasoak ozeano hauek igoarazi edo jatsiarazi egiten ditu berarekiko duten hurbiltzailearen arabera.<sup id="cite_ref-41" class="reference"><a href="#cite_note-41"><span class="cite-bracket">[</span>39<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-42" class="reference"><a href="#cite_note-42"><span class="cite-bracket">[</span>40<span class="cite-bracket">]</span></a></sup> <a href="/wiki/Esne_Bidea" title="Esne Bidea">Esne Bideak</a> berdina egiten du Oorten hodeiarekin, bere eraginarengatik desitxuratze txikiak eragiten baitizkio, galaxiaren erdigune aldera (Oorten hodeia ez delako biribil perfektu bat). Barne eguzki-sisteman ordea, itsasaldi-indar hauek baliorik gabekoak dira, Eguzkiaren grabitatea delako indar nagusia. Hala ere, Eguzkitik urruntzen joan ahala, gero eta indar gehiago hartzen dute marea galaktiko hauek. Dirudienez, indar txiki hauek nahikoak dira Oorten hodeiko hainbat objektu aztoratzeko eta Eguzkiarenganantz bidaltzeko.<sup id="cite_ref-43" class="reference"><a href="#cite_note-43"><span class="cite-bracket">[</span>41<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-44" class="reference"><a href="#cite_note-44"><span class="cite-bracket">[</span>42<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-45" class="reference"><a href="#cite_note-45"><span class="cite-bracket">[</span>43<span class="cite-bracket">]</span></a></sup> </p><p>Aditu batzuek diote, marea galaktiko hauek <a href="/wiki/Afelio" title="Afelio">afelio</a> handia duten <a href="/wiki/Planetesimal" title="Planetesimal">planetesimal</a> batzuen <a href="/wiki/Perihelio" title="Perihelio">perihelioa</a> (Objektu bat Eguzkitik hurbilen dagoen unea) handitzeko gai direla eta beraz, Oorten hodeia handitzen laguntzen dutela.<sup id="cite_ref-46" class="reference"><a href="#cite_note-46"><span class="cite-bracket">[</span>44<span class="cite-bracket">]</span></a></sup> Marea galaktikoen ondorioak oso konplexuak dira, eta askotan <a href="/wiki/Sistema_planetario" class="mw-redirect" title="Sistema planetario">sistema planetarioko</a> objektu bakoitzak modu ezberdinean jokatzen du. Bestalde, orokorrean izaten diren ondorioak oso erraz jakin daitezke, gaur egun uste baita indar hauek kanporatzen dituztela Oorten hodeitik ateratzen diren kometen % 90.<sup id="cite_ref-47" class="reference"><a href="#cite_note-47"><span class="cite-bracket">[</span>45<span class="cite-bracket">]</span></a></sup> Periodo luzeko kometen orbitetan oinarritzen diren eredu estadistikoek ideia hau babesten dute.<sup id="cite_ref-48" class="reference"><a href="#cite_note-48"><span class="cite-bracket">[</span>46<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading3"><h3 id="Iraungipen_zikloak">Iraungipen zikloak</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Oorten_hodeia&veaction=edit&section=6" title="Aldatu atal hau: «Iraungipen zikloak»" class="mw-editsection-visualeditor"><span>aldatu</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Oorten_hodeia&action=edit&section=6" title="Edit section's source code: Iraungipen zikloak"><span>aldatu iturburu kodea</span></a><span class="mw-editsection-bracket">]</span></span></div> <p><a href="/wiki/Lur" class="mw-redirect mw-disambig" title="Lur">Lur</a> planetako <a href="/wiki/Espezieen_iraungipen" title="Espezieen iraungipen">iraungipenak</a> aztertzean, zientzialariak jabetu ziren denbora jakin batean behin errepikatzen zen patroi bat zegoela. 26 milioi urtetan behin gure planetan espezie kantitate handi samar bat desagertzen dela jakitea lortu zuten. Oraindik ez dakigu ziur zerk eragiten duen hau. </p><p><a href="/w/index.php?title=Marea_galaktiko&action=edit&redlink=1" class="new" title="Marea galaktiko (sortu gabe)">Marea galaktikoak</a> ziklo errepikakor hau azaltzeko erabili daitezke. Eguzkiak, Esne Bidearen erdigunea ardatz gisa harturik, haren inguruan orbitatzen du eta noizean behin <a href="/wiki/Plano_galaktiko" title="Plano galaktiko">plano galaktikotik</a> igarotzen da. Gure astroa plano galaktikotik kanpora kokatzen denean, galaxiak eragindako marea-indarra ahulagoa da; era berdinean, plano galaktikoa zeharkatzen dabilenean, marea-indarrak indartsuen dauden unera iristen dira, Oorten hodeian asaldatze handiagoa eraginez eta ondorioz, barne eguzki-sistemara kometa gehiago bidaliz. Eguzkia hogei eta hogeita bost milioi urtean behin igarotzen da plano galaktikotik.<sup id="cite_ref-49" class="reference"><a href="#cite_note-49"><span class="cite-bracket">[</span>47<span class="cite-bracket">]</span></a></sup> Astrono batzuek diote ordea, mare-indarrek bakarrik ezin dutela azaldu Oorten hodeiko asaldatze hau, une honetan Eguzkia plano galaktikotik hurbil dagoela eta azkeneko iraungipena duela hamabost milioi urte gertatu zela aipatzen dute beraien hipotesia babesteko. Lehen aipatu dugun teoria ordezkatzeko, errudunak <a href="/wiki/Galaxia_kiribil" class="mw-redirect" title="Galaxia kiribil">beso kiribilak</a> direla esaten dute. Beso hauek Oorten hodeia asaldatzen duten <a href="/wiki/Molekula_laino" title="Molekula laino">molekula laino</a> handiak edukitzeaz gain, <a href="/wiki/Erraldoi_urdin" title="Erraldoi urdin">erraldoi urdin</a> batzuk ere badituzte, izar hauen bizitza oso motza da, haien erregaia azkar agortzen delako eta beraz, milioi urte batzuen bueltan indar handiz lehertzen dira, <a href="/wiki/Supernoba" title="Supernoba">supernobak</a> sortuz.<sup id="cite_ref-50" class="reference"><a href="#cite_note-50"><span class="cite-bracket">[</span>48<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="Izarren_perturbazioak">Izarren perturbazioak</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Oorten_hodeia&veaction=edit&section=7" title="Aldatu atal hau: «Izarren perturbazioak»" class="mw-editsection-visualeditor"><span>aldatu</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Oorten_hodeia&action=edit&section=7" title="Edit section's source code: Izarren perturbazioak"><span>aldatu iturburu kodea</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Marea galaktikoaz gain, badira beste era batzuk kometak eguzki-sistemaren barnealdera bidaltzeko, hala nola, hurbil dauden izarren <a href="/wiki/Grabitazioa" class="mw-redirect" title="Grabitazioa">grabitazio eremuak</a> eta <a href="/wiki/Molekula_laino" title="Molekula laino">molekula laino handiak</a>.<sup id="cite_ref-:8_40-1" class="reference"><a href="#cite_note-:8-40"><span class="cite-bracket">[</span>38<span class="cite-bracket">]</span></a></sup> Eguzkia galaxian zehar orbitatzen dabilen bitartean, batzuetan, beste izar sistemak guregandik hurbil igarotzen dira, Oorten hodeien perturbazio edo asaldatzeak eraginez. Adibidez, <a href="/wiki/Gliese_710" title="Gliese 710">Gliese 710</a> izarra hurrengo hamar milioi urteetan guregandik hurbil igaroko da (1,4 milioi urte barru Oorten hodeitik hurbil igaroko da, kometen kanporatzea % 50 handituz), izar hau da etorkizun hurbilean Oorten hodeian eragin handiena izango duena.<sup id="cite_ref-51" class="reference"><a href="#cite_note-51"><span class="cite-bracket">[</span>49<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-52" class="reference"><a href="#cite_note-52"><span class="cite-bracket">[</span>50<span class="cite-bracket">]</span></a></sup> Prozesu hauek objektuak plano eliptikotik kanpora sakabanatzen dituzte, horregatik du hodei honek forma esferikoa.<sup id="cite_ref-53" class="reference"><a href="#cite_note-53"><span class="cite-bracket">[</span>51<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading3"><h3 id="Nemesis_hipotesia">Nemesis hipotesia</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Oorten_hodeia&veaction=edit&section=8" title="Aldatu atal hau: «Nemesis hipotesia»" class="mw-editsection-visualeditor"><span>aldatu</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Oorten_hodeia&action=edit&section=8" title="Edit section's source code: Nemesis hipotesia"><span>aldatu iturburu kodea</span></a><span class="mw-editsection-bracket">]</span></span></div> <div style="font-style: italic; padding-left: 2em; margin-bottom: 0.5em;">Sakontzeko, irakurri: «<a href="/wiki/Nemesis_hipotesia" title="Nemesis hipotesia">Nemesis hipotesia</a>»</div> <p><a href="/wiki/1984" title="1984">1984ean</a>, <a href="/w/index.php?title=Richard_A._Muller&action=edit&redlink=1" class="new" title="Richard A. Muller (sortu gabe)">Richard A. Muller</a>, <a href="/w/index.php?title=Piet_Hut&action=edit&redlink=1" class="new" title="Piet Hut (sortu gabe)">Piet Hut</a> eta <a href="/w/index.php?title=Marc_Davis_(astrof%C3%ADsico)&action=edit&redlink=1" class="new" title="Marc Davis (astrofísico) (sortu gabe)">Marc Davisek</a> Eguzkiak bere inguruan orbitatzen zuen bidelagun bat eduki zezakeela proposatu zuten.<sup id="cite_ref-54" class="reference"><a href="#cite_note-54"><span class="cite-bracket">[</span>52<span class="cite-bracket">]</span></a></sup> Ustezko izar honek <a href="/wiki/Nemesis_hipotesia" title="Nemesis hipotesia">Nemesis</a> izena jaso zuen, izatekotan, seguruenik, Oorten hodeitik hurbil orbitatzen duen <a href="/wiki/Nano_marroi" title="Nano marroi">nano marroi</a> bat izango da. Nemesisek orbita eliptiko bat izan beharko luke, 26 milioi urteetan behin hodeiaren barnetik pasako zena, barne eguzki-sistemara objektuak (<a href="/wiki/Kometa" title="Kometa">kometa</a>, <a href="/wiki/Asteroide" title="Asteroide">asteroide</a>, etab.) bidaliz.<sup id="cite_ref-55" class="reference"><a href="#cite_note-55"><span class="cite-bracket">[</span>53<span class="cite-bracket">]</span></a></sup> Honek <a href="/wiki/Lurra" title="Lurra">Lurrean</a> gertatzen diren iraungipen errepikakorrak azalduko lituzke.  Handik urte batera, <a href="/w/index.php?title=D._whitmire&action=edit&redlink=1" class="new" title="D. whitmire (sortu gabe)">D. Whitmirek</a> eta <a href="/w/index.php?title=J._j._matese&action=edit&redlink=1" class="new" title="J. j. matese (sortu gabe)">J. J. Matesek</a> Nemesis <a href="/wiki/Zulo_beltz" title="Zulo beltz">zulo beltz</a> txiki bat izan zitekeela esan zuten eta <a href="/wiki/2002" title="2002">2002an</a> Matesek <a href="/wiki/Bederatzigarren_planeta" title="Bederatzigarren planeta">Bederatzigarren planetaren</a> teoria ospetsua proposatu zuen, labur esanda, Oorten hodeietan kokatzen den planeta handi bat dagoela esaten du teoria honek, kometak zein bestelako objektuak eguzki-sistemaren barnealdera bidaltzen dituena.<sup id="cite_ref-56" class="reference"><a href="#cite_note-56"><span class="cite-bracket">[</span>54<span class="cite-bracket">]</span></a></sup> </p><p>Hala ere, momentuz ez dira teoria horiek frogatu ahal izan. Astronomo batzuek diote izar txiki bat aipatzen den distantzian Eguzkiaren inguruan orbitatzen egotea ezinezkoa dela, beste izarren perturbazioen ondorioz kanporatua izango zelako. </p> <div class="mw-heading mw-heading2"><h2 id="Oorten_hodeiko_objektuak">Oorten hodeiko objektuak</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Oorten_hodeia&veaction=edit&section=9" title="Aldatu atal hau: «Oorten hodeiko objektuak»" class="mw-editsection-visualeditor"><span>aldatu</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Oorten_hodeia&action=edit&section=9" title="Edit section's source code: Oorten hodeiko objektuak"><span>aldatu iturburu kodea</span></a><span class="mw-editsection-bracket">]</span></span></div> <figure class="mw-halign-right" typeof="mw:File/Thumb"><a href="/wiki/Fitxategi:Planetoid_90377_sedna_animation_location.gif" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/2/21/Planetoid_90377_sedna_animation_location.gif" decoding="async" width="320" height="240" class="mw-file-element" data-file-width="320" data-file-height="240" /></a><figcaption>Animazio honetan <a href="/wiki/(90377)_Sedna" title="(90377) Sedna">Sednaren</a> orbita erakusten da, 2004ean aurkitu zen objektu hau <a href="/wiki/Hillsen_hodeia" title="Hillsen hodeia">Hillsen hodeiko</a> objektu bat izan daiteke.</figcaption></figure> <p>Periodo luzeko kometak alde batera uzten baditugu, Oorten hodeian dauden bost objektu baino ez dira ezagutzen: <a href="/wiki/(90377)_Sedna" title="(90377) Sedna">(90377) Sedna</a>, <a href="/w/index.php?title=(148209)_2000_CR105&action=edit&redlink=1" class="new" title="(148209) 2000 CR105 (sortu gabe)">(148209) 2000 CR105</a>, <a href="/w/index.php?title=(308933)_2006_SQ372&action=edit&redlink=1" class="new" title="(308933) 2006 SQ372 (sortu gabe)">(308933) 2006 SQ372</a>, <a href="/w/index.php?title=2008_KV42&action=edit&redlink=1" class="new" title="2008 KV42 (sortu gabe)">2008 KV42</a> eta <a href="/wiki/2012_VP113" title="2012 VP113">2012 VP113</a>. Lehenengo bi objektuek eta azkenak, ez dute <a href="/wiki/Neptuno" title="Neptuno">Neptunoren</a> inolako eraginik, planeta honetatik oso urruti daudelako. Beraz, beraien orbiten perturbazioak ezin dira <a href="/wiki/Gasezko_erraldoi" title="Gasezko erraldoi">gasezko erraldoien</a> grabitazio-indarrekin azaldu.<sup id="cite_ref-57" class="reference"><a href="#cite_note-57"><span class="cite-bracket">[</span>55<span class="cite-bracket">]</span></a></sup> Gaur egun dauden lekuetan sortu izan baziren, beraien orbitak biribilak izan beharko lukete, <a href="/wiki/Akrezio" title="Akrezio">akrezioak</a> ere ezin du hauen egoera azladu, <a href="/wiki/Planetesimal" title="Planetesimal">planetesimalak</a> mugitzen diren abiadura handiak objektuak minduko lituzkeelako.<sup id="cite_ref-:9_58-0" class="reference"><a href="#cite_note-:9-58"><span class="cite-bracket">[</span>56<span class="cite-bracket">]</span></a></sup> </p><p>Hala eta guztiz ere, badira beraien orbita <a href="/wiki/Eszentrikotasun" title="Eszentrikotasun">eszentrikoak</a> azaltzen saiatzen diren hainbat teoria: batek dioenez, Eguzkia jaio zen <a href="/wiki/Izar-kumulu" class="mw-redirect" title="Izar-kumulu">izar-kumuluan</a> zeuden izarren grabitateak eragin zituen. Hori horrela balitz<sup id="cite_ref-:7_5-1" class="reference"><a href="#cite_note-:7-5"><span class="cite-bracket">[</span>5<span class="cite-bracket">]</span></a></sup>, Oorten hodeian egon daitekeen planeta ezezagun batek ere eragin berbera egin ahalko ziekeen.<sup id="cite_ref-59" class="reference"><a href="#cite_note-59"><span class="cite-bracket">[</span>57<span class="cite-bracket">]</span></a></sup> Beste teoria batek dio, Neptunok, garai batean agian, eszentrikotasun handia eduki zuela eta, beraz, objektu horien orbita aldatu zuela, edo agian, garai batean egon zen transneptunotar disko batek eragin ziela orbitaren aldaketa. Badira teoriak Eguzkiak inguruan zituen izarrei lapurtutako objektuak direla aipatzen dutenak. Gaur egun, izarren perturbazioen bidez azaltzen duten teoriak dira onartuenak, baina bederatzigarren planetaren teoria indarra hartzen ari da.<sup id="cite_ref-:7_5-2" class="reference"><a href="#cite_note-:7-5"><span class="cite-bracket">[</span>5<span class="cite-bracket">]</span></a></sup> Astronomo batzuek nahiago dute Sedna eta 2000 CR105 ''disko sakabanatu luzatua'' deritzoten atalean sartu, Hillsen edo barne Oorten hodeian sartu baino.<sup id="cite_ref-:9_58-1" class="reference"><a href="#cite_note-:9-58"><span class="cite-bracket">[</span>56<span class="cite-bracket">]</span></a></sup> </p> <center class=""> <table class="wikitable"> <caption>Oorten hodeiko objektuak izan litezkeenak </caption> <tbody><tr> <th colspan="1">Zenbakia </th> <th colspan="1">Izena </th> <th colspan="1">Diametroa (km) </th> <th colspan="1"><a href="/wiki/Perihelio" title="Perihelio">Perihelioa</a> (<a href="/wiki/Unitate_astronomiko" title="Unitate astronomiko">AU</a>) </th> <th colspan="1"><a href="/wiki/Afelio" title="Afelio">Aphelioa</a> (AU) </th> <th colspan="1">Aurkikuntza data </th> <th colspan="1">Aurkitzailea(k) </th></tr> <tr> <td align="center">90377 </td> <td align="center"><a href="/wiki/(90377)_Sedna" title="(90377) Sedna">Sedna</a> </td> <td align="center">1.180-1.800 </td> <td align="center">76,1 </td> <td align="center">892 </td> <td align="center">2003 </td> <td align="center"><a href="/wiki/Michael_E._Brown" title="Michael E. Brown">Marroia</a>, <a href="/wiki/Chadwick_A._Trujillo" title="Chadwick A. Trujillo">Trujillo</a>, <a href="/wiki/David_L._Rabinowitz" title="David L. Rabinowitz">Rabinowitz</a> </td></tr> <tr> <td align="center">148209 </td> <td align="center"><a href="/w/index.php?title=(148209)_2000_CR105&action=edit&redlink=1" class="new" title="(148209) 2000 CR105 (sortu gabe)">(148209) 2000 CR<sub>105</sub></a> </td> <td align="center">~250 </td> <td align="center">44,3 </td> <td align="center">397 </td> <td align="center">2000 </td> <td align="center"><a href="/wiki/Lowell_Behatokia" title="Lowell Behatokia">Lowell Behatokia</a> </td></tr> <tr> <td align="center">308933 </td> <td align="center"><a href="/w/index.php?title=(308933)_2006_SQ372&action=edit&redlink=1" class="new" title="(308933) 2006 SQ372 (sortu gabe)">(308933) 2006 SQ<sub>372</sub></a> </td> <td align="center">50-100 </td> <td align="center">24,17 </td> <td align="center">2005,38 </td> <td align="center">2006 </td> <td align="center"><a href="/w/index.php?title=A._C._Becker&action=edit&redlink=1" class="new" title="A. C. Becker (sortu gabe)">A. C. Becker</a> </td></tr> <tr> <td align="center">- </td> <td align="center"><a href="/w/index.php?title=2008_KV42&action=edit&redlink=1" class="new" title="2008 KV42 (sortu gabe)">2008 KV<sub>42</sub></a> </td> <td align="center">58,9 </td> <td align="center">20 217 </td> <td align="center">71 760 </td> <td align="center">2008 </td> <td align="center"><a href="/w/index.php?title=Kanada-Frantzia-Hawaii_Teleskopioa&action=edit&redlink=1" class="new" title="Kanada-Frantzia-Hawaii Teleskopioa (sortu gabe)">Kanada-Frantzia-Hawaii Teleskopioa</a> </td></tr> <tr> <td align="center">- </td> <td align="center"><a href="/wiki/2012_VP113" title="2012 VP113">2012 VP113</a> </td> <td align="center">1100-1800 </td> <td align="center">80,5 </td> <td align="center">438 </td> <td align="center">2012 </td> <td align="center"><a href="/w/index.php?title=Scott_Sheppard&action=edit&redlink=1" class="new" title="Scott Sheppard (sortu gabe)">Scott Sheppard</a> eta <a href="/wiki/Chadwick_A._Trujillo" title="Chadwick A. Trujillo">Chad Trujillo</a> </td></tr></tbody></table> </center> <div class="mw-heading mw-heading2"><h2 id="Oharrak">Oharrak</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Oorten_hodeia&veaction=edit&section=10" title="Aldatu atal hau: «Oharrak»" class="mw-editsection-visualeditor"><span>aldatu</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Oorten_hodeia&action=edit&section=10" title="Edit section's source code: Oharrak"><span>aldatu iturburu kodea</span></a><span class="mw-editsection-bracket">]</span></span></div> <div class="reflist" style="list-style-type: decimal;"> <ol class="references"> <li id="cite_note-16"><a href="#cite_ref-16">↑</a> <span class="reference-text"><a href="/wiki/Magnitude_absolutu" title="Magnitude absolutu">Magnitude absolutua</a> objektu baten distira da, 10 <a href="/wiki/Parsec" title="Parsec">parsec</a>-era egongo balitz; <a href="/wiki/Itxurazko_magnitude" title="Itxurazko magnitude">itxurazko magnitudeak</a> aldiz, Lurretik duen distira neurtzen du. Magnitude absolutuak izar guztiak distantzia berdinean jartzen dituenez, esan daiteke izar batek duen benetako distira adierazten digula. Objektu bat zenbat eta distiratsuagoa izan, orduan eta balio txikiagoa izango du magnitude absolutuari dagokionez.</span> </li> <li id="cite_note-37"><a href="#cite_ref-37">↑</a> <span class="reference-text">Hurrena da <a href="/wiki/Tisseranden_parametroa" class="mw-redirect" title="Tisseranden parametroa">Tisseranden parametroa</a>: <span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle T_{p}={\frac {a_{p}}{a}}+2\cdot \cos(i)\cdot {\sqrt {{\frac {a}{a_{p}}}\cdot (1-e^{2})}}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <msub> <mi>T</mi> <mrow class="MJX-TeXAtom-ORD"> <mi>p</mi> </mrow> </msub> <mo>=</mo> <mrow class="MJX-TeXAtom-ORD"> <mfrac> <msub> <mi>a</mi> <mrow class="MJX-TeXAtom-ORD"> <mi>p</mi> </mrow> </msub> <mi>a</mi> </mfrac> </mrow> <mo>+</mo> <mn>2</mn> <mo>⋅</mo> <mi>cos</mi> <mo>⁡</mo> <mo stretchy="false">(</mo> <mi>i</mi> <mo stretchy="false">)</mo> <mo>⋅</mo> <mrow class="MJX-TeXAtom-ORD"> <msqrt> <mrow class="MJX-TeXAtom-ORD"> <mfrac> <mi>a</mi> <msub> <mi>a</mi> <mrow class="MJX-TeXAtom-ORD"> <mi>p</mi> </mrow> </msub> </mfrac> </mrow> <mo>⋅</mo> <mo stretchy="false">(</mo> <mn>1</mn> <mo>−</mo> <msup> <mi>e</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> </msup> <mo stretchy="false">)</mo> </msqrt> </mrow> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle T_{p}={\frac {a_{p}}{a}}+2\cdot \cos(i)\cdot {\sqrt {{\frac {a}{a_{p}}}\cdot (1-e^{2})}}}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/7b669b4a4852346e076693499bbf2be374ef7b0d" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -3.005ex; width:36.802ex; height:6.343ex;" alt="{\displaystyle T_{p}={\frac {a_{p}}{a}}+2\cdot \cos(i)\cdot {\sqrt {{\frac {a}{a_{p}}}\cdot (1-e^{2})}}}"></span> ''<span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle a_{p}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <msub> <mi>a</mi> <mrow class="MJX-TeXAtom-ORD"> <mi>p</mi> </mrow> </msub> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle a_{p}}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/d3a5f11f304b2976ca9d33d1575c148e791728e7" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -1.005ex; width:2.289ex; height:2.343ex;" alt="{\displaystyle a_{p}}"></span>'' planetaren <a href="/wiki/Ardatzerdi_handi" title="Ardatzerdi handi">ardatzerdi handia</a> da. ''a'' kometaren ardatzerdi handia da. ''i'' kometaren <a href="/wiki/Makurdura_orbital" title="Makurdura orbital">makurdura orbitala</a> da. ''e'' kometaren <a href="/wiki/Eszentrikotasun" title="Eszentrikotasun">eszentrikotasuna</a> da.</span> </li> </ol></div> <div class="mw-heading mw-heading2"><h2 id="Erreferentziak">Erreferentziak</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Oorten_hodeia&veaction=edit&section=11" title="Aldatu atal hau: «Erreferentziak»" class="mw-editsection-visualeditor"><span>aldatu</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Oorten_hodeia&action=edit&section=11" title="Edit section's source code: Erreferentziak"><span>aldatu iturburu kodea</span></a><span class="mw-editsection-bracket">]</span></span></div> <div class="reflist columns references-column-width" style="-moz-column-width: 30em; -webkit-column-width: 30em; column-width: 30em; list-style-type: decimal;"> <ol class="references"> <li id="cite_note-1"><a href="#cite_ref-1">↑</a> <span class="reference-text"><span class="citation"></span> <span class="citation"><a rel="nofollow" class="external text" href="https://zthiztegia.elhuyar.eus/terminoa/eu/Oorten%20hodeia">«ZT Hiztegi Berria»</a> <i>zthiztegia.elhuyar.eus</i> <span class="reference-accessdate"><small>(Noiz kontsultatua: 2018-06-12)</small></span></span>.</span> </li> <li id="cite_note-2"><a href="#cite_ref-2">↑</a> <span class="reference-text"><span class="citation"> <span style="cursor: help; font-size: 90%; font-family: bold; color: gray" title="Ingelesez dago aipu honen iturburua"><b>(Ingelesez)</b></span></span> <span class="citation" id="CITEREFWhipple1987-09-30">Whipple, F. 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(2001). <a href="//doi.org/10.1111/j.1365-2966.2001.04854.x" class="extiw" title="doi:10.1111/j.1365-2966.2001.04854.x">«Periodic variation of Oort Cloud flux and cometary impacts on the Earth and Jupiter»</a>. <i>Monthly Notices of the Royal Astronomical Society</i> <b>327</b> (4). <small>1367-1376</small> <sub>or.</sub></span> </li> <li id="cite_note-48"><a href="#cite_ref-48">↑</a> <span class="reference-text">Matese, J. J. eta Lissauer, J. J. 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(1997). <a href="https://ui.adsabs.harvard.edu/abs/1997AAS...191.6906M/abstract" class="extiw" title="bibcode:1997AAS...191.6906M">«Close Approaches of Stars to the Oort Cloud: Algol and Gliese 710»</a>. <i>Bulletin of the American Astronomical Society</i> <b>29</b>. <small>1315</small> <sub>or.</sub></span> </li> <li id="cite_note-53"><a href="#cite_ref-53">↑</a> <span class="reference-text">Higuchi, A.; Kokubo, E. eta Mukai, T. (2006). <a rel="nofollow" class="external text" href="http://www.iop.org/EJ/article/1538-3881/131/2/1119/204756.text.html">«Scattering of Planetesimals bya a Planet: Formation of Comet cloud Candidates»</a><sup class="noprint Inline-Template"><span style="white-space: nowrap;">[<i><a href="/wiki/Wikipedia:Esteka_hautsia" class="mw-redirect" title="Wikipedia:Esteka hautsia"><span title=" Data honetatik dago hautsita esteka: abendua 2021">Betiko hautsitako esteka</span></a></i>]</span></sup>. <i>The Astronomical Journal</i> <b>131</b> (Otsaila). <small>1119-1129</small> <sub>or.</sub></span> </li> <li id="cite_note-54"><a href="#cite_ref-54">↑</a> <span class="reference-text">Davis, M.; Hut, P. eta Muller, R. A. (1984). <a rel="nofollow" class="external text" href="https://web.archive.org/web/20080908180900/http://links.isiglobalnet2.com/gateway/Gateway.cgi">«Extinction of Species by Periodic Comet Showers»</a>. <i>Nature</i> <b>308</b>. <small>715-717 or</small>.</span> </li> <li id="cite_note-55"><a href="#cite_ref-55">↑</a> <span class="reference-text">Hills, J. G. (1984). <a href="//doi.org/10.1038/311636a0" class="extiw" title="doi:10.1038/311636a0">«Dynamical constraints on the mass and perihelion distance of Nemesis and the stability of its orbit»</a>. <i>Nature</i> <b>311</b> (5987). <small>636-638</small> <sub>or.</sub></span> </li> <li id="cite_note-56"><a href="#cite_ref-56">↑</a> <span class="reference-text">Matese, J. J. eta Lissauer, J. J. (2002). <a rel="nofollow" class="external text" href="http://ads.ari.uni-heidelberg.de/abs/2002ESASP.500..309M">«Continuing evidence of an impulsive component of Oort cloud cometary flux»</a>. <i>Proceedings of Asteroids, Comets, Meteors</i>. <small>309-314 or., <a href="/wiki/International_Standard_Book_Number" title="International Standard Book Number">ISBN</a> 92-9092-810-7</small>.</span> </li> <li id="cite_note-57"><a href="#cite_ref-57">↑</a> <span class="reference-text">Brown, M. E.; Trujillo, C.; Rabinowitz, D. (2004). <a href="//doi.org/10.1086/422095" class="extiw" title="doi:10.1086/422095">«Discovery of a Candidate Inner Oort Cloud Planetoid»</a>. <i>The Astrophysical Journal</i> <b>617</b>. <small>645-649</small> <sub>or.</sub></span> </li> <li id="cite_note-:9-58">↑ <a href="#cite_ref-:9_58-0"><sup><b>a</b></sup></a> <a href="#cite_ref-:9_58-1"><sup><b>b</b></sup></a> <span class="reference-text">Sheppard, S. S. (2005). <a href="https://ui.adsabs.harvard.edu/abs/2006ASPC..352....3S/abstract" class="extiw" title="bibcode:2006ASPC..352....3S">«Small Bodies in the Outer Solar System»</a>. <i>New Horizons in Astronomy: Frank N. Bash Symposium</i> <b>352</b> (Urria). <small>The University of Texas, Austin, Texas, USA</small>.</span> </li> <li id="cite_note-59"><a href="#cite_ref-59">↑</a> <span class="reference-text">Gomes, R. S.; Matese, J. J. eta Lissauer, J. J. (2006). <a href="//doi.org/10.1016/j.icarus.2006.05.026" class="extiw" title="doi:10.1016/j.icarus.2006.05.026">«A distant planetary-mass solar companion may have produced distant detached objects»</a>. <i>Icarus</i> <b>184</b> (2). <small>589-601 or</small>.</span> </li> </ol></div> <div class="mw-heading mw-heading2"><h2 id="Ikus,_gainera"><span id="Ikus.2C_gainera"></span>Ikus, gainera</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Oorten_hodeia&veaction=edit&section=12" title="Aldatu atal hau: «Ikus, gainera»" class="mw-editsection-visualeditor"><span>aldatu</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Oorten_hodeia&action=edit&section=12" title="Edit section's source code: Ikus, gainera"><span>aldatu iturburu kodea</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><a href="/wiki/Kometa" title="Kometa">Kometa</a></li> <li><a href="/wiki/Halley_kometa" 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.navbox-odd{background-color:transparent}.mw-parser-output .navbox .hlist td dl,.mw-parser-output .navbox .hlist td ol,.mw-parser-output .navbox .hlist td ul,.mw-parser-output .navbox td.hlist dl,.mw-parser-output .navbox td.hlist ol,.mw-parser-output .navbox td.hlist ul{padding:0.125em 0}.mw-parser-output .navbox .navbar{display:block;font-size:100%}.mw-parser-output .navbox-title .navbar{float:left;text-align:left;margin-right:0.5em}</style></div><div role="navigation" class="navbox" aria-labelledby="Autoritate_kontrola" style="width: inherit;padding:3px"><table class="nowraplinks hlist navbox-inner" style="border-spacing:0;background:transparent;color:inherit"><tbody><tr><th id="Autoritate_kontrola" scope="row" class="navbox-group" style="width:1%;width: 12%; text-align:center;"><a href="/wiki/Laguntza:Autoritate_kontrola" title="Laguntza:Autoritate kontrola">Autoritate kontrola</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><b>Wikimedia proiektuak</b></li> <li><span style="white-space:nowrap;"><span typeof="mw:File"><a href="/wiki/Wikidata" title="Wikidata"><img alt="Wd" src="//upload.wikimedia.org/wikipedia/commons/thumb/f/ff/Wikidata-logo.svg/20px-Wikidata-logo.svg.png" decoding="async" width="20" height="11" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/f/ff/Wikidata-logo.svg/30px-Wikidata-logo.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/f/ff/Wikidata-logo.svg/40px-Wikidata-logo.svg.png 2x" data-file-width="1050" data-file-height="590" /></a></span> Datuak:</span> <span class="uid"><a href="https://www.wikidata.org/wiki/Q40864" class="extiw" title="wikidata:Q40864">Q40864</a></span></li> <li><span style="white-space:nowrap;"><span typeof="mw:File"><a href="/wiki/Wikimedia_Commons" title="Commonscat"><img alt="Commonscat" src="//upload.wikimedia.org/wikipedia/commons/thumb/4/4a/Commons-logo.svg/15px-Commons-logo.svg.png" decoding="async" width="15" height="20" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/4/4a/Commons-logo.svg/23px-Commons-logo.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/4/4a/Commons-logo.svg/30px-Commons-logo.svg.png 2x" data-file-width="1024" data-file-height="1376" /></a></span> Multimedia:</span> <span class="uid"><span class="plainlinks"><a class="external text" href="https://commons.wikimedia.org/wiki/Category:Oort_cloud">Oort cloud</a></span> / <span class="plainlinks"><a class="external text" href="https://commons.wikimedia.org/wiki/Special:MediaSearch?type=image&search=%22Q40864%22">Q40864</a></span></span></li></ul> <hr /> <ul><li><b>Identifikadoreak</b></li> <li><a rel="nofollow" class="external text" href="//www.worldcat.org/identities/viaf-307321359">WorldCat</a></li> <li><span style="white-space:nowrap;"><a href="/wiki/Virtual_International_Authority_File" class="mw-redirect" title="Virtual International Authority File">VIAF</a>:</span> <span class="uid"><a rel="nofollow" class="external text" href="https://viaf.org/viaf/307321359/">307321359</a></span></li> <li><span style="white-space:nowrap;"><a href="/wiki/Library_of_Congress_Control_Number" title="Library of Congress Control Number">LCCN</a>:</span> <span class="uid"><a rel="nofollow" class="external text" href="https://id.loc.gov/authorities/sh86000523">sh86000523</a></span></li> <li><b>Hiztegiak eta entziklopediak</b></li> <li><span style="white-space:nowrap;"><a href="/wiki/Encyclop%C3%A6dia_Britannica" title="Encyclopædia Britannica">Britannica</a>:</span> <span class="uid"><a rel="nofollow" class="external text" href="https://www.britannica.com/topic/Oort-cloud">url</a></span></li></ul> </div></td></tr></tbody></table></div><div class="mw-mf-linked-projects hlist"> <ul><li><span style="white-space:nowrap;"><span typeof="mw:File"><a href="/wiki/Wikidata" title="Wikidata"><img alt="Wd" src="//upload.wikimedia.org/wikipedia/commons/thumb/f/ff/Wikidata-logo.svg/20px-Wikidata-logo.svg.png" decoding="async" width="20" height="11" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/f/ff/Wikidata-logo.svg/30px-Wikidata-logo.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/f/ff/Wikidata-logo.svg/40px-Wikidata-logo.svg.png 2x" data-file-width="1050" data-file-height="590" /></a></span> Datuak:</span> <span class="uid"><a href="https://www.wikidata.org/wiki/Q40864" class="extiw" title="wikidata:Q40864">Q40864</a></span></li> <li><span style="white-space:nowrap;"><span typeof="mw:File"><a href="/wiki/Wikimedia_Commons" title="Commonscat"><img alt="Commonscat" src="//upload.wikimedia.org/wikipedia/commons/thumb/4/4a/Commons-logo.svg/15px-Commons-logo.svg.png" decoding="async" width="15" height="20" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/4/4a/Commons-logo.svg/23px-Commons-logo.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/4/4a/Commons-logo.svg/30px-Commons-logo.svg.png 2x" data-file-width="1024" data-file-height="1376" /></a></span> Multimedia:</span> <span class="uid"><span class="plainlinks"><a class="external text" href="https://commons.wikimedia.org/wiki/Category:Oort_cloud">Oort cloud</a></span> / <span class="plainlinks"><a class="external text" href="https://commons.wikimedia.org/wiki/Special:MediaSearch?type=image&search=%22Q40864%22">Q40864</a></span></span></li></ul> </div></div> <p><br /> </p> <div class="navbox-styles"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r9236167"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r9236165"></div><div role="navigation" class="navbox" aria-labelledby="Nabarmendutako_artikulua&#124;16px&#124;link=_Eguzki-sistema" style="padding:3px"><table class="nowraplinks hlist mw-collapsible mw-collapsed navbox-inner" style="border-spacing:0;background:transparent;color:inherit"><tbody><tr><th scope="col" class="navbox-title" colspan="2"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r9236167"><style data-mw-deduplicate="TemplateStyles:r9235565">.mw-parser-output .navbar{display:inline;font-size:88%;font-weight:normal}.mw-parser-output .navbar-collapse{float:left;text-align:left}.mw-parser-output .navbar-boxtext{word-spacing:0}.mw-parser-output .navbar ul{display:inline-block;white-space:nowrap;line-height:inherit}.mw-parser-output .navbar-brackets::before{margin-right:-0.125em;content:"[ "}.mw-parser-output .navbar-brackets::after{margin-left:-0.125em;content:" ]"}.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-ikusi"><a href="/wiki/Txantiloi:Eguzki_sistema_aurkibidea" title="Txantiloi:Eguzki sistema aurkibidea"><abbr title="Txantiloi hau ikusi" style=";;background:none transparent;border:none;box-shadow:none;padding:0;">i</abbr></a></li><li class="nv-eztabaida"><a href="/w/index.php?title=Txantiloi_eztabaida:Eguzki_sistema_aurkibidea&action=edit&redlink=1" class="new" title="Txantiloi eztabaida:Eguzki sistema aurkibidea (sortu gabe)"><abbr title="Txantiloi hau eztabaidatu" style=";;background:none transparent;border:none;box-shadow:none;padding:0;">e</abbr></a></li><li class="nv-aldatu"><a class="external text" href="https://eu.wikipedia.org/w/index.php?title=Txantiloi:Eguzki_sistema_aurkibidea&action=edit"><abbr title="Txantiloi hau aldatu" style=";;background:none transparent;border:none;box-shadow:none;padding:0;">a</abbr></a></li></ul></div><div id="Nabarmendutako_artikulua&#124;16px&#124;link=_Eguzki-sistema" style="font-size:114%;margin:0 4em"><span typeof="mw:File"><span title="Nabarmendutako artikulua"><img alt="Nabarmendutako artikulua" src="//upload.wikimedia.org/wikipedia/commons/thumb/b/bc/Featured_article_star.svg/16px-Featured_article_star.svg.png" decoding="async" width="16" height="16" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/b/bc/Featured_article_star.svg/24px-Featured_article_star.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/b/bc/Featured_article_star.svg/32px-Featured_article_star.svg.png 2x" data-file-width="180" data-file-height="180" /></span></span> <a href="/wiki/Eguzki-sistema" title="Eguzki-sistema">Eguzki-sistema</a></div></th></tr><tr><td class="navbox-abovebelow" colspan="2"><div><center><figure class="mw-default-size noresize mw-ext-imagemap-desc-bottom-right" typeof="mw:File"><span><img src="//upload.wikimedia.org/wikipedia/commons/4/4a/Solar_System_XXX.png" decoding="async" width="635" height="36" class="mw-file-element" data-file-width="635" data-file-height="36" usemap="#ImageMap_512507b4d9f5acad" resource="/wiki/Fitxategi:Solar_System_XXX.png" /></span><map name="ImageMap_512507b4d9f5acad"><area href="/wiki/Eguzkia" shape="circle" coords="0,0,90,35" alt="Eguzkia" title="Eguzkia" /><area href="/wiki/Merkurio_(planeta)" shape="circle" coords="112,18,6" alt="Merkurio" title="Merkurio" /><area href="/wiki/Artizarra" shape="circle" coords="153,18,8" alt="Artizarra" title="Artizarra" /><area href="/wiki/Ilargia" shape="circle" coords="203,8,4" alt="Ilargia" title="Ilargia" /><area href="/wiki/Lurra" shape="circle" coords="194,18,8" alt="Lurra" title="Lurra" /><area href="/wiki/Marte" shape="circle" coords="233,18,8" alt="Marte" title="Marte" /><area href="/wiki/Zeres_(planeta_nanoa)" shape="circle" coords="271,18,8" alt="Zeres" title="Zeres" /><area href="/wiki/Asteroide_gerriko" shape="rect" coords="256,0,288,35" alt="Asteroide gerriko" title="Asteroide gerriko" /><area href="/wiki/Jupiter" shape="circle" coords="316,18,15" alt="Jupiter" title="Jupiter" /><area href="/wiki/Jupiterren_satelite" shape="circle" coords="329,5,6" alt="Jupiterren satelite" title="Jupiterren satelite" /><area href="/wiki/Saturno" shape="circle" coords="372,18,10" alt="Saturno" title="Saturno" /><area href="/wiki/Saturnoren_satelite" shape="circle" coords="381,7,6" alt="Saturnoren satelite" title="Saturnoren satelite" /><area href="/wiki/Urano" shape="circle" coords="418,18,9" alt="Urano" title="Urano" /><area href="/wiki/Uranoren_satelite" shape="circle" coords="427,10,6" alt="Uranoren satelite" title="Uranoren satelite" /><area href="/wiki/Neptunoren_satelite" shape="circle" coords="471,10,3" alt="Neptunoren satelite" title="Neptunoren satelite" /><area href="/wiki/Neptuno" shape="circle" coords="462,18,12" alt="Neptuno" title="Neptuno" /><area href="/wiki/Pluton_(planeta_nanoa)" shape="circle" coords="504,18,8" alt="Pluton" title="Pluton" /><area href="/wiki/Haumea_(planeta_nanoa)" shape="circle" coords="534,18,12" alt="Haumea" title="Haumea" /><area href="/wiki/Haumearen_sateliteak" shape="circle" coords="540,13,8" alt="Haumearen sateliteak" title="Haumearen sateliteak" /><area href="/wiki/Makemake_(planeta_nanoa)" shape="circle" coords="567,18,12" alt="Makemake" title="Makemake" /><area href="/wiki/S/2015_(136472)_1" shape="circle" coords="571,13,8" alt="S/2015 (136472) 1" title="S/2015 (136472) 1" /><area href="/wiki/Kuiper_gerrikoa" shape="rect" coords="490,0,580,35" alt="Kuiper gerrikoa" title="Kuiper gerrikoa" /><area href="/wiki/Eris_(planeta_nanoa)" shape="circle" coords="596,18,12" alt="Eris" title="Eris" /><area href="/wiki/Disnomia_(satelitea)" shape="circle" coords="602,13,8" alt="Disnomia" title="Disnomia" /><area href="/wiki/Disko_sakabanatua" shape="rect" coords="581,0,610,35" alt="Disko sakabanatua" title="Disko sakabanatua" /><area href="/wiki/Hillsen_hodeia" shape="rect" coords="623,0,640,35" alt="Hillsen hodeia" title="Hillsen hodeia" /><area href="/wiki/Oorten_hodeia" shape="rect" coords="641,0,666,35" alt="Oorten hodeia" title="Oorten hodeia" /></map><figcaption></figcaption></figure></center></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%;text-align: center"><div class="hlist"> <ul><li><span typeof="mw:File"><span title="Nabarmendutako artikulua"><img alt="Nabarmendutako artikulua" src="//upload.wikimedia.org/wikipedia/commons/thumb/b/bc/Featured_article_star.svg/16px-Featured_article_star.svg.png" decoding="async" width="16" height="16" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/b/bc/Featured_article_star.svg/24px-Featured_article_star.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/b/bc/Featured_article_star.svg/32px-Featured_article_star.svg.png 2x" data-file-width="180" data-file-height="180" /></span></span> <a href="/wiki/Eguzkia" title="Eguzkia">Eguzkia</a><br /> <ul><li><a href="/wiki/Heliosfera" title="Heliosfera">Heliosfera</a></li></ul></li></ul> </div></th><td class="navbox-list-with-group navbox-list navbox-odd" 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%"><div class="hlist"> <ul><li><span typeof="mw:File"><span title="Nabarmendutako artikulua"><img alt="Nabarmendutako artikulua" src="//upload.wikimedia.org/wikipedia/commons/thumb/b/bc/Featured_article_star.svg/16px-Featured_article_star.svg.png" decoding="async" width="16" height="16" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/b/bc/Featured_article_star.svg/24px-Featured_article_star.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/b/bc/Featured_article_star.svg/32px-Featured_article_star.svg.png 2x" data-file-width="180" data-file-height="180" /></span></span> <a href="/wiki/Planeta" title="Planeta">Planetak</a><br /> <ul><li><small style="font-size:85%;"><a href="/wiki/Eraztun-sistema" title="Eraztun-sistema">Eraztunak</a></small></li> <li><small style="font-size:85%;"><a href="/wiki/Satelite_natural" title="Satelite natural">Sateliteak</a></small></li></ul></li></ul> </div></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><span typeof="mw:File"><span title="Nabarmendutako artikulua"><img alt="Nabarmendutako artikulua" src="//upload.wikimedia.org/wikipedia/commons/thumb/b/bc/Featured_article_star.svg/16px-Featured_article_star.svg.png" decoding="async" width="16" height="16" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/b/bc/Featured_article_star.svg/24px-Featured_article_star.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/b/bc/Featured_article_star.svg/32px-Featured_article_star.svg.png 2x" data-file-width="180" data-file-height="180" /></span></span> <b><a href="/wiki/Merkurio_(planeta)" title="Merkurio (planeta)">Merkurio</a></b></li> <li><span typeof="mw:File"><span title="Nabarmendutako artikulua"><img alt="Nabarmendutako artikulua" src="//upload.wikimedia.org/wikipedia/commons/thumb/b/bc/Featured_article_star.svg/16px-Featured_article_star.svg.png" decoding="async" width="16" height="16" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/b/bc/Featured_article_star.svg/24px-Featured_article_star.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/b/bc/Featured_article_star.svg/32px-Featured_article_star.svg.png 2x" data-file-width="180" data-file-height="180" /></span></span> <b><a href="/wiki/Artizarra" title="Artizarra">Artizarra</a></b></li> <li><span typeof="mw:File"><span title="Nabarmendutako artikulua"><img alt="Nabarmendutako artikulua" src="//upload.wikimedia.org/wikipedia/commons/thumb/b/bc/Featured_article_star.svg/16px-Featured_article_star.svg.png" decoding="async" width="16" height="16" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/b/bc/Featured_article_star.svg/24px-Featured_article_star.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/b/bc/Featured_article_star.svg/32px-Featured_article_star.svg.png 2x" data-file-width="180" data-file-height="180" /></span></span> <b><a href="/wiki/Lurra" title="Lurra">Lurra</a></b> <ul><li><a href="/wiki/Ilargia" title="Ilargia">ilargi 1</a></li></ul></li> <li><span typeof="mw:File"><span title="Nabarmendutako artikulua"><img alt="Nabarmendutako artikulua" src="//upload.wikimedia.org/wikipedia/commons/thumb/b/bc/Featured_article_star.svg/16px-Featured_article_star.svg.png" decoding="async" width="16" height="16" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/b/bc/Featured_article_star.svg/24px-Featured_article_star.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/b/bc/Featured_article_star.svg/32px-Featured_article_star.svg.png 2x" data-file-width="180" data-file-height="180" /></span></span> <b><a href="/wiki/Marte" title="Marte">Marte</a></b> <ul><li><a href="/w/index.php?title=Marteren_sateliteak&action=edit&redlink=1" class="new" title="Marteren sateliteak (sortu gabe)">2 ilargi</a>: <a href="/wiki/Phobos_(satelitea)" title="Phobos (satelitea)">Phobos</a></li> <li><a href="/wiki/Deimos_(satelitea)" title="Deimos (satelitea)">Deimos</a></li></ul></li> <li><span typeof="mw:File"><span title="Nabarmendutako artikulua"><img alt="Nabarmendutako artikulua" src="//upload.wikimedia.org/wikipedia/commons/thumb/b/bc/Featured_article_star.svg/16px-Featured_article_star.svg.png" decoding="async" width="16" height="16" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/b/bc/Featured_article_star.svg/24px-Featured_article_star.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/b/bc/Featured_article_star.svg/32px-Featured_article_star.svg.png 2x" data-file-width="180" data-file-height="180" /></span></span> <b><a href="/wiki/Jupiter" title="Jupiter">Jupiter</a></b> <ul><li><a href="/wiki/Jupiterren_eraztunak" title="Jupiterren eraztunak">Eraztunak</a></li> <li><a href="/wiki/Jupiterren_sateliteak" title="Jupiterren sateliteak">95 ilargi</a>: <a href="/wiki/Ganimedes_(satelitea)" title="Ganimedes (satelitea)">Ganimedes</a></li> <li><a href="/wiki/Kalisto" title="Kalisto">Kalisto</a></li> <li><a href="/wiki/Io" title="Io">Io</a></li> <li><a href="/wiki/Europa_(satelitea)" title="Europa (satelitea)">Europa</a></li></ul></li> <li><span typeof="mw:File"><span title="Nabarmendutako artikulua"><img alt="Nabarmendutako artikulua" src="//upload.wikimedia.org/wikipedia/commons/thumb/b/bc/Featured_article_star.svg/16px-Featured_article_star.svg.png" decoding="async" width="16" height="16" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/b/bc/Featured_article_star.svg/24px-Featured_article_star.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/b/bc/Featured_article_star.svg/32px-Featured_article_star.svg.png 2x" data-file-width="180" data-file-height="180" /></span></span> <b><a href="/wiki/Saturno" title="Saturno">Saturno</a></b> <ul><li><a href="/wiki/Saturnoren_eraztunak" title="Saturnoren eraztunak">Eraztunak</a></li> <li><a href="/wiki/Saturnoren_sateliteak" title="Saturnoren sateliteak">146 ilargi</a>: <a href="/wiki/Titan_(satelitea)" title="Titan (satelitea)">Titan</a></li> <li><a href="/wiki/Rea_(satelitea)" title="Rea (satelitea)">Rea</a></li> <li><a href="/wiki/Japeto_(satelitea)" title="Japeto (satelitea)">Japeto</a></li> <li><a href="/wiki/Dione_(satelitea)" title="Dione (satelitea)">Dione</a></li> <li><a href="/wiki/Tetis_(satelitea)" title="Tetis (satelitea)">Tetis</a></li> <li><span typeof="mw:File"><span title="Nabarmendutako artikulua"><img alt="Nabarmendutako artikulua" src="//upload.wikimedia.org/wikipedia/commons/thumb/b/bc/Featured_article_star.svg/16px-Featured_article_star.svg.png" decoding="async" width="16" height="16" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/b/bc/Featured_article_star.svg/24px-Featured_article_star.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/b/bc/Featured_article_star.svg/32px-Featured_article_star.svg.png 2x" data-file-width="180" data-file-height="180" /></span></span> <a href="/wiki/Entzelado_(satelitea)" title="Entzelado (satelitea)">Entzelado</a></li> <li><a href="/wiki/Mimas_(satelitea)" title="Mimas (satelitea)">Mimas</a></li></ul></li> <li><span typeof="mw:File"><span title="Nabarmendutako artikulua"><img alt="Nabarmendutako artikulua" src="//upload.wikimedia.org/wikipedia/commons/thumb/b/bc/Featured_article_star.svg/16px-Featured_article_star.svg.png" decoding="async" width="16" height="16" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/b/bc/Featured_article_star.svg/24px-Featured_article_star.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/b/bc/Featured_article_star.svg/32px-Featured_article_star.svg.png 2x" data-file-width="180" data-file-height="180" /></span></span> <b><a href="/wiki/Urano" title="Urano">Urano</a></b> <ul><li><a href="/w/index.php?title=Uranoren_eraztunak&action=edit&redlink=1" class="new" title="Uranoren eraztunak (sortu gabe)">Eraztunak</a></li> <li><a href="/w/index.php?title=Uranoren_sateliteak&action=edit&redlink=1" class="new" title="Uranoren sateliteak (sortu gabe)">27 ilargi</a>: <a href="/wiki/Titania_(satelitea)" class="mw-redirect" title="Titania (satelitea)">Titania</a></li> <li><a href="/wiki/Oberon_(satelitea)" title="Oberon (satelitea)">Oberon</a></li> <li><a href="/wiki/Umbriel_(satelitea)" title="Umbriel (satelitea)">Umbriel</a></li> <li><a href="/wiki/Ariel_(satelitea)" title="Ariel (satelitea)">Ariel</a></li> <li><a href="/wiki/Miranda_(satelitea)" title="Miranda (satelitea)">Miranda</a></li></ul></li> <li><span typeof="mw:File"><span title="Nabarmendutako artikulua"><img alt="Nabarmendutako artikulua" src="//upload.wikimedia.org/wikipedia/commons/thumb/b/bc/Featured_article_star.svg/16px-Featured_article_star.svg.png" decoding="async" width="16" height="16" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/b/bc/Featured_article_star.svg/24px-Featured_article_star.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/b/bc/Featured_article_star.svg/32px-Featured_article_star.svg.png 2x" data-file-width="180" data-file-height="180" /></span></span> <b><a href="/wiki/Neptuno" title="Neptuno">Neptuno</a></b> <ul><li><a href="/w/index.php?title=Neptunoren_eraztunak&action=edit&redlink=1" class="new" title="Neptunoren eraztunak (sortu gabe)">Eraztunak</a></li> <li><a href="/w/index.php?title=Neptunoren_sateliteak&action=edit&redlink=1" class="new" title="Neptunoren sateliteak (sortu gabe)">14 ilargi</a>: <a href="/wiki/Triton_(satelitea)" title="Triton (satelitea)">Triton</a></li></ul></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Planeta_txiki" title="Planeta txiki">Planeta<br />txikiak</a></th><td class="navbox-list-with-group navbox-list navbox-odd" 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%"><span typeof="mw:File"><span title="Nabarmendutako artikulua"><img alt="Nabarmendutako artikulua" src="//upload.wikimedia.org/wikipedia/commons/thumb/b/bc/Featured_article_star.svg/16px-Featured_article_star.svg.png" decoding="async" width="16" height="16" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/b/bc/Featured_article_star.svg/24px-Featured_article_star.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/b/bc/Featured_article_star.svg/32px-Featured_article_star.svg.png 2x" data-file-width="180" data-file-height="180" /></span></span> <a href="/wiki/Planeta_nano" title="Planeta nano">Planeta nanoak</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><b><a href="/wiki/Zeres_(planeta_nanoa)" title="Zeres (planeta nanoa)">Zeres</a></b></li> <li><b><a href="/wiki/(90482)_Orko" title="(90482) Orko">Orko</a></b> <ul><li><a href="/wiki/Vanth" title="Vanth">ilargi 1</a>: <a href="/wiki/Vanth" title="Vanth">Vanth</a></li></ul></li> <li><b><a href="/wiki/Pluton_(planeta_nanoa)" title="Pluton (planeta nanoa)">Pluton</a></b> <ul><li><a href="/wiki/Plutonen_sateliteak" title="Plutonen sateliteak">5 ilargi</a>: <a href="/wiki/Karonte_(satelitea)" class="mw-redirect" title="Karonte (satelitea)">Karonte</a>, <a href="/wiki/Hidra_(satelitea)" title="Hidra (satelitea)">Hidra</a>, <a href="/wiki/Nix_(satelitea)" title="Nix (satelitea)">Nix</a>, <a href="/wiki/Kerberos_(satelitea)" title="Kerberos (satelitea)">Kerberos</a>, <a href="/wiki/Styx_(satelitea)" title="Styx (satelitea)">Styx</a></li></ul></li> <li><b><a href="/wiki/Haumea" class="mw-redirect" title="Haumea">Haumea</a></b> <ul><li><a href="/wiki/Haumearen_sateliteak" title="Haumearen sateliteak">2 ilargi</a>: <a href="/wiki/Hi%CA%BBiaka_(satelitea)" class="mw-redirect" title="Hiʻiaka (satelitea)">Hiʻiaka</a>, <a href="/wiki/Namaka_(satelitea)" class="mw-redirect" title="Namaka (satelitea)">Namaka</a></li></ul></li> <li><b><a href="/wiki/50000_Quaoar" class="mw-redirect" title="50000 Quaoar">Quaoar</a></b> <ul><li><a href="/w/index.php?title=Weywot&action=edit&redlink=1" class="new" title="Weywot (sortu gabe)">ilargi 1</a>: <a href="/w/index.php?title=Weywot&action=edit&redlink=1" class="new" title="Weywot (sortu gabe)">Weywot</a></li></ul></li> <li><b><a href="/wiki/Makemake_(planeta_nanoa)" title="Makemake (planeta nanoa)">Makemake (planeta nanoa)</a></b> <ul><li><a href="/wiki/S/2015_(136472)_1" title="S/2015 (136472) 1">ilargi 1</a>: <a href="/wiki/S/2015_(136472)_1" title="S/2015 (136472) 1">MK2</a></li></ul></li> <li><b><a href="/w/index.php?title=225088_Gonggong&action=edit&redlink=1" class="new" title="225088 Gonggong (sortu gabe)">Gonggong</a></b> <ul><li><a href="/w/index.php?title=Xiangliu&action=edit&redlink=1" class="new" title="Xiangliu (sortu gabe)">ilargi 1</a>: <a href="/w/index.php?title=Xiangliu&action=edit&redlink=1" class="new" title="Xiangliu (sortu gabe)">Xiangliu</a></li></ul></li> <li><b><a href="/wiki/Eris_(planeta_nanoa)" title="Eris (planeta nanoa)">Eris</a></b> <ul><li><a href="/wiki/Disnomia_(satelitea)" title="Disnomia (satelitea)">ilargi 1</a>: <a href="/wiki/Disnomia_(satelitea)" title="Disnomia (satelitea)">Disnomia</a></li></ul></li> <li><b><a href="/wiki/90377_Sedna" class="mw-redirect" title="90377 Sedna">Sedna</a></b></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Asteroide" title="Asteroide">Asteroideak</a><br /><small style="font-size:85%;"><a href="/wiki/Eguzki-sistemako_gorputz_txiki" title="Eguzki-sistemako gorputz txiki">(Eguzki-sistemako<br />gorputz txikiak)</a></small></th><td class="navbox-list-with-group navbox-list navbox-odd" 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%">Asteroide nabarmenak</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><b><a href="/wiki/4_Vesta" title="4 Vesta">Vesta</a></b></li> <li><b><a href="/wiki/951_Gaspra" title="951 Gaspra">Gaspra</a></b></li> <li><b><a href="/wiki/243_Ida" title="243 Ida">Ida</a></b></li> <li><b><a href="/wiki/99942_Apophis" title="99942 Apophis">Apophis</a></b></li> <li><b><a href="/wiki/22_Kalliope" class="mw-redirect" title="22 Kalliope">Kalliope</a></b></li> <li><a href="/wiki/2_Pallas" class="mw-redirect" title="2 Pallas">Pallas</a></li> <li><a href="/wiki/3_Juno" class="mw-redirect" title="3 Juno">Juno</a></li> <li><a href="/wiki/10_Hygiea" class="mw-redirect" title="10 Hygiea">Hygiea</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Taldeak eta familiak</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><span typeof="mw:File"><span title="Nabarmendutako artikulua"><img alt="Nabarmendutako artikulua" src="//upload.wikimedia.org/wikipedia/commons/thumb/b/bc/Featured_article_star.svg/16px-Featured_article_star.svg.png" decoding="async" width="16" height="16" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/b/bc/Featured_article_star.svg/24px-Featured_article_star.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/b/bc/Featured_article_star.svg/32px-Featured_article_star.svg.png 2x" data-file-width="180" data-file-height="180" /></span></span> <a href="/wiki/Lurretik_gertuko_objektu" title="Lurretik gertuko objektu">Lurretik gertuko objektuak</a></li> <li><span typeof="mw:File"><span title="Nabarmendutako artikulua"><img alt="Nabarmendutako artikulua" src="//upload.wikimedia.org/wikipedia/commons/thumb/b/bc/Featured_article_star.svg/16px-Featured_article_star.svg.png" decoding="async" width="16" height="16" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/b/bc/Featured_article_star.svg/24px-Featured_article_star.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/b/bc/Featured_article_star.svg/32px-Featured_article_star.svg.png 2x" data-file-width="180" data-file-height="180" /></span></span> <b><a href="/wiki/Asteroide_gerrikoa" title="Asteroide gerrikoa">Asteroide gerrikoa</a></b></li> <li><b><a href="/wiki/Troiar_(astronomia)" title="Troiar (astronomia)">Troiarrak</a></b> <ul><li><a href="/w/index.php?title=2013_ND15&action=edit&redlink=1" class="new" title="2013 ND15 (sortu gabe)">Artizarra</a></li> <li><a href="/wiki/Lurraren_troiar" title="Lurraren troiar">Lurra</a></li> <li><a href="/w/index.php?title=Marteren_troiar&action=edit&redlink=1" class="new" title="Marteren troiar (sortu gabe)">Marte</a></li> <li><a href="/w/index.php?title=Jupiterren_troiar&action=edit&redlink=1" class="new" title="Jupiterren troiar (sortu gabe)">Jupiter</a></li> <li><a href="/w/index.php?title=Uranoren_troiar&action=edit&redlink=1" class="new" title="Uranoren troiar (sortu gabe)">Urano</a></li> <li><a href="/wiki/Neptunoren_troiar" title="Neptunoren troiar">Neptuno</a></li></ul></li> <li><b><a href="/wiki/Zentauro_(astronomia)" title="Zentauro (astronomia)">Zentauroak</a></b></li> <li><a href="/w/index.php?title=Asteroide_aktibo&action=edit&redlink=1" class="new" title="Asteroide aktibo (sortu gabe)">Asteroide aktiboak</a></li> <li><a href="/w/index.php?title=Planeta_txikien_ilargi&action=edit&redlink=1" class="new" title="Planeta txikien ilargi (sortu gabe)">Asteroideen ilargiak</a></li> <li><a href="/wiki/Meteoroide" title="Meteoroide">Meteoroideak</a></li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Neptunoz_haraindiko_objektu" title="Neptunoz haraindiko objektu">Neptunoz haraindikoak</a><br /><small style="font-size:85%;"><a href="/w/index.php?title=Urruneko_planeta_txiki&action=edit&redlink=1" class="new" title="Urruneko planeta txiki (sortu gabe)">(Urruneko planeta<br />txikiak)</a></small></th><td class="navbox-list-with-group navbox-list navbox-odd" 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/Kuiperren_gerrikoa" class="mw-redirect" title="Kuiperren gerrikoa">Kuiperren gerrikoa</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><b><a href="/wiki/Plutino" title="Plutino">Plutinoak</a></b> <ul><li><a href="/w/index.php?title=28978_Ixion&action=edit&redlink=1" class="new" title="28978 Ixion (sortu gabe)">Ixion</a></li></ul></li> <li><b><a href="/wiki/Cubewano" title="Cubewano">Cubewanoak</a></b> <ul><li><span style="white-space:nowrap"><a href="/w/index.php?title=(55637)_2002_UX25&action=edit&redlink=1" class="new" title="(55637) 2002 UX25 (sortu gabe)">2002 UX<sub>25</sub></a></span></li> <li><a href="/wiki/20000_Varuna" class="mw-redirect" title="20000 Varuna">Varuna</a></li> <li><a href="/w/index.php?title=15760_Albion&action=edit&redlink=1" class="new" title="15760 Albion (sortu gabe)">Albion</a></li> <li><span style="white-space:nowrap"><a href="/w/index.php?title=(55636)_2002_TX300&action=edit&redlink=1" class="new" title="(55636) 2002 TX300 (sortu gabe)">2002 TX<sub>300</sub></a></span></li> <li><a href="/w/index.php?title=38628_Huya&action=edit&redlink=1" class="new" title="38628 Huya (sortu gabe)">Huya</a></li> <li><span style="white-space:nowrap"><a href="/w/index.php?title=(55565)_2002_AW197&action=edit&redlink=1" class="new" title="(55565) 2002 AW197 (sortu gabe)">2002 AW<sub>197</sub></a></span></li></ul></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Disko_sakabanatua" title="Disko sakabanatua">Disko sakabanatua</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/229762_G%C7%83k%C3%BAn%C7%81%CA%BCh%C3%B2md%C3%ADm%C3%A0" title="229762 Gǃkúnǁʼhòmdímà">Gǃkúnǁʼhòmdímà</a></li> <li><span style="white-space:nowrap"><a href="/wiki/(84522)_2002_TC302" title="(84522) 2002 TC302">2002 TC<sub>302</sub></a></span></li> <li><span style="white-space:nowrap"><a href="/w/index.php?title=2004_XR190&action=edit&redlink=1" class="new" title="2004 XR190 (sortu gabe)">2004 XR<span style="position: relative; top: 0.3em;"><span style="font-size:80%;">190</span></span></a></span></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Beste batzuk</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><b><a href="/wiki/Sednoide" title="Sednoide">Sednoideak</a></b> <ul><li><span style="white-space:nowrap"><a href="/wiki/2012_VP113" title="2012 VP113">2012 VP<span style="position: relative; top: 0.3em;"><span style="font-size:80%;">113</span></span></a></span></li></ul></li> <li><b><a href="/wiki/Banandutako_objektu" title="Banandutako objektu">Banandutako objektuak</a></b></li> <li><b><a href="/wiki/Damokloide" title="Damokloide">Damokloideak</a></b></li> <li><b><a class="mw-selflink selflink">Oorten hodeia</a></b> <ul><li><a href="/wiki/Hillsen_hodeia" title="Hillsen hodeia">Hillsen hodeia</a></li></ul></li></ul> </div></td></tr></tbody></table><div></div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><span typeof="mw:File"><span title="Nabarmendutako artikulua"><img alt="Nabarmendutako artikulua" src="//upload.wikimedia.org/wikipedia/commons/thumb/b/bc/Featured_article_star.svg/16px-Featured_article_star.svg.png" decoding="async" width="16" height="16" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/b/bc/Featured_article_star.svg/24px-Featured_article_star.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/b/bc/Featured_article_star.svg/32px-Featured_article_star.svg.png 2x" data-file-width="180" data-file-height="180" /></span></span> <a href="/wiki/Kometa" title="Kometa">Kometak</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=Zerrenda:Kokmetak&action=edit&redlink=1" class="new" title="Zerrenda:Kokmetak (sortu gabe)">Zerrenda:Kokmetak</a> <ul><li><a href="/w/index.php?title=Zerrenda:Kometa_periodikoak&action=edit&redlink=1" class="new" title="Zerrenda:Kometa periodikoak (sortu gabe)">Kometa periodikoak</a></li> <li><a href="/w/index.php?title=Zerrenda:Kometa_ia-parabolikoak&action=edit&redlink=1" class="new" title="Zerrenda:Kometa ia-parabolikoak (sortu gabe)">Kometa ia-parabolikoak</a></li></ul></li> <li><a href="/w/index.php?title=Eguzkitik-gertuko_kometa&action=edit&redlink=1" class="new" title="Eguzkitik-gertuko kometa (sortu gabe)">Eguzkitik-gertukoa</a></li> <li><a href="/w/index.php?title=Kometa_handi&action=edit&redlink=1" class="new" title="Kometa handi (sortu gabe)">Handia</a></li> <li><a href="/w/index.php?title=Iraungitako_kometa&action=edit&redlink=1" class="new" title="Iraungitako kometa (sortu gabe)">Iraungia</a></li> <li><a href="/w/index.php?title=Kometa_galdu&action=edit&redlink=1" class="new" title="Kometa galdu (sortu gabe)">Galdua</a></li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%;text-align: center">Zerrendak</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/Zerrenda:Eguzki_Sistemako_objektuak_tamainaren_arabera" title="Zerrenda:Eguzki Sistemako objektuak tamainaren arabera">Objektuak tamainaren arabera</a></li> <li><a href="/wiki/Zerrenda:Eguzki-sistema_eta_bertako_sateliteen_aurkikuntzaren_kronologia" title="Zerrenda:Eguzki-sistema eta bertako sateliteen aurkikuntzaren kronologia">Aurkikuntzen kronologia</a></li> <li><a href="/wiki/Zerrenda:Asteroideak" title="Zerrenda:Asteroideak">Asteroideak</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%;text-align: center">Hipotetikoak</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/Bederatzigarren_planeta" title="Bederatzigarren planeta">Bederatzigarren planeta</a></li> <li><a href="/w/index.php?title=Vulcanoide&action=edit&redlink=1" class="new" title="Vulcanoide (sortu gabe)">Vulcanoideak</a></li> <li><a href="/w/index.php?title=Tyche_(planeta_hipotetikoa)&action=edit&redlink=1" class="new" title="Tyche (planeta hipotetikoa) (sortu gabe)">Tyche</a></li> <li><a href="/wiki/Nemesis_hipotesia" title="Nemesis hipotesia">Nemesis</a></li> <li><a href="/wiki/Neptunoz_haraindiko_planetak" title="Neptunoz haraindiko planetak">Neptunoz haraindiko planetak</a></li> <li><a href="/w/index.php?title=Lurraren_balizko_ilargiak&action=edit&redlink=1" class="new" title="Lurraren balizko ilargiak (sortu gabe)">Lurraren balizko ilargiak</a></li></ul> </div></td></tr><tr><td class="navbox-abovebelow" colspan="2" style="font-size: smaller"><div>Ikus, gainera: <a href="/wiki/Eguzki-sistemaren_sorrera_eta_garapena" title="Eguzki-sistemaren sorrera eta garapena">Eguzki-sistemaren sorrera eta garapena</a> eta <b><a href="/wiki/Atari:Eguzki-sistema" title="Atari:Eguzki-sistema">Eguzki sistemaren ataria</a></b></div></td></tr></tbody></table></div> <div class="navbox-styles"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r9236167"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r9236165"></div><div role="navigation" class="navbox" aria-labelledby="Neptunoz_haraindiko_objektuak" style="padding:3px"><table class="nowraplinks mw-collapsible mw-collapsed navbox-inner" style="border-spacing:0;background:transparent;color:inherit"><tbody><tr><th scope="col" class="navbox-title" colspan="2"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r9236167"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r9235565"><div class="navbar plainlinks hlist navbar-mini"><ul><li class="nv-ikusi"><a href="/wiki/Txantiloi:Neptunoz_haraindiko_objektuen_aurkibidea" title="Txantiloi:Neptunoz haraindiko objektuen aurkibidea"><abbr title="Txantiloi hau ikusi" style=";;background:none transparent;border:none;box-shadow:none;padding:0;">i</abbr></a></li><li class="nv-eztabaida"><a href="/w/index.php?title=Txantiloi_eztabaida:Neptunoz_haraindiko_objektuen_aurkibidea&action=edit&redlink=1" class="new" title="Txantiloi eztabaida:Neptunoz haraindiko objektuen aurkibidea (sortu gabe)"><abbr title="Txantiloi hau eztabaidatu" style=";;background:none transparent;border:none;box-shadow:none;padding:0;">e</abbr></a></li><li class="nv-aldatu"><a class="external text" href="https://eu.wikipedia.org/w/index.php?title=Txantiloi:Neptunoz_haraindiko_objektuen_aurkibidea&action=edit"><abbr title="Txantiloi hau aldatu" style=";;background:none transparent;border:none;box-shadow:none;padding:0;">a</abbr></a></li></ul></div><div id="Neptunoz_haraindiko_objektuak" style="font-size:114%;margin:0 4em"><a href="/wiki/Neptunoz_haraindiko_objektu" title="Neptunoz haraindiko objektu">Neptunoz haraindiko objektuak</a></div></th></tr><tr><th scope="row" class="navbox-group" style="width:1%;white-space: normal; text-align:center;">TNO motak</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"><a href="/wiki/Disko_sakabanatua" title="Disko sakabanatua">Disko sakabanatukoak</a> • <a href="/wiki/Cubewano" title="Cubewano">Cubewanoak</a> • <a href="/wiki/Plutino" title="Plutino">Plutinoak</a> • <a href="/wiki/Sednoide" title="Sednoide">Sednoideak</a> • <a href="/wiki/Twotino" title="Twotino">Twotinoak</a><br /></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%;white-space: normal; text-align:center;">Planeta nanoak</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"><a href="/wiki/Pluton" class="mw-redirect" title="Pluton">Pluton</a> • <a href="/wiki/Eris_(planeta_nanoa)" title="Eris (planeta nanoa)">Eris</a> • <a href="/wiki/Haumea_(planeta_nanoa)" title="Haumea (planeta nanoa)">Haumea</a> • <a href="/wiki/Makemake_(planeta_nanoa)" title="Makemake (planeta nanoa)">Makemake</a> • <a href="/wiki/(90482)_Orcus" class="mw-redirect" title="(90482) Orcus">Orcus</a> • <a href="/wiki/(50000)_Quaoar" title="(50000) Quaoar">Quaoar</a> • <a href="/wiki/(28978)_Ixion" title="(28978) Ixion">Ixion</a> • <a href="/wiki/(20000)_Varuna" title="(20000) Varuna">Varuna</a><br /></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%;white-space: normal; text-align:center;">Sateliteak</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"><a href="/wiki/Karonte_(satelitea)" class="mw-redirect" title="Karonte (satelitea)">Karonte</a> • <a href="/wiki/Nix_(satelitea)" title="Nix (satelitea)">Nix</a> • <a href="/wiki/Kerberos_(satelitea)" title="Kerberos (satelitea)">Kerberos</a> • <a href="/wiki/Hidra_(satelitea)" title="Hidra (satelitea)">Hidra</a> • <a href="/wiki/Styx_(satelitea)" title="Styx (satelitea)">Styx</a> • <a href="/wiki/Disnomia_(satelitea)" title="Disnomia (satelitea)">Disnomia</a> • <a href="/wiki/Haumearen_sateliteak" title="Haumearen sateliteak">Namaka</a> • <a href="/wiki/Haumearen_sateliteak" title="Haumearen sateliteak">Hiʻiaka</a> • <a href="/wiki/S/2015_(136472)_1" title="S/2015 (136472) 1">S/2015 (136472) 1</a> • <a href="/wiki/Vanth_(satelitea)" title="Vanth (satelitea)">Vanth</a><br /><b>Sednoideak</b>: <a href="/wiki/(90377)_Sedna" title="(90377) Sedna">Sedna</a> • <a href="/wiki/2012_VP113" title="2012 VP113">2012 VP<sub>113</sub></a><br /><b>Besteak</b>: <a href="/wiki/Kuiper_gerrikoa" title="Kuiper gerrikoa">Kuiper gerrikoa</a> • <a href="/wiki/Hillsen_hodeia" title="Hillsen hodeia">Hillsen hodeia</a> • <a class="mw-selflink selflink">Oorten hodeia</a> • <a href="/wiki/Bederatzigarren_planeta" title="Bederatzigarren planeta">Bederatzigarren planeta</a></div></td></tr></tbody></table></div>    </div><script>(RLQ=window.RLQ||[]).push(function(){mw.log.warn("Gadget \"ErrefAurrebista\" was not loaded. 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