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class="user-links-collapsible-item mw-list-item"><a href="//donate.wikimedia.org/wiki/Special:FundraiserRedirector?utm_source=donate&utm_medium=sidebar&utm_campaign=C13_el.wikipedia.org&uselang=el"><span>Δωρεές</span></a></li><li id="pt-createaccount" class="user-links-collapsible-item mw-list-item"><a href="/w/index.php?title=%CE%95%CE%B9%CE%B4%CE%B9%CE%BA%CF%8C:%CE%94%CE%B7%CE%BC%CE%B9%CE%BF%CF%85%CF%81%CE%B3%CE%AF%CE%B1%CE%9B%CE%BF%CE%B3%CE%B1%CF%81%CE%B9%CE%B1%CF%83%CE%BC%CE%BF%CF%8D&returnto=%CE%9C%CE%BF%CF%81%CE%B9%CE%B1%CE%BA%CF%8C+%CE%BD%CE%AD%CF%86%CE%BF%CF%82" title="Σας ενθαρρύνουμε να δημιουργήσετε ένα λογαριασμό και να συνδεθείτε· ωστόσο, δεν είναι υποχρεωτικό"><span class="vector-icon mw-ui-icon-userAdd mw-ui-icon-wikimedia-userAdd"></span> <span>Δημιουργία λογαριασμού</span></a></li><li id="pt-login" class="user-links-collapsible-item mw-list-item"><a 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class="vector-pinnable-header-label">Περιεχόμενα</h2> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-toc.pin">μετακίνηση στην πλαϊνή μπάρα</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-toc.unpin">απόκρυψη</button> </div> <ul class="vector-toc-contents" id="mw-panel-toc-list"> <li id="toc-mw-content-text" class="vector-toc-list-item vector-toc-level-1"> <a href="#" class="vector-toc-link"> <div class="vector-toc-text">Αρχή</div> </a> </li> <li id="toc-Παραπομπές" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Παραπομπές"> <div class="vector-toc-text"> <span class="vector-toc-numb">1</span> <span>Παραπομπές</span> </div> </a> <ul id="toc-Παραπομπές-sublist" class="vector-toc-list"> </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="Περιεχόμενα" 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="Εναλλαγή του πίνακα περιεχομένων" > <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">Εναλλαγή του πίνακα περιεχομένων</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">Μοριακό νέφος</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="Μεταβείτε σε ένα λήμμα σε άλλη γλώσσα. Διαθέσιμο σε 61 γλώσσες" > <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-61" 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">61 γλώσσες</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/Molekul%C3%AAre_wolk" title="Molekulêre wolk – Αφρικάανς" lang="af" hreflang="af" data-title="Molekulêre wolk" data-language-autonym="Afrikaans" data-language-local-name="Αφρικάανς" 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_molecular" title="Boira molecular – Αραγονικά" lang="an" hreflang="an" data-title="Boira molecular" data-language-autonym="Aragonés" data-language-local-name="Αραγονικά" 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%AC%D8%B2%D9%8A%D8%A6%D9%8A%D8%A9" title="سحابة جزيئية – Αραβικά" lang="ar" hreflang="ar" data-title="سحابة جزيئية" data-language-autonym="العربية" data-language-local-name="Αραβικά" class="interlanguage-link-target"><span>العربية</span></a></li><li class="interlanguage-link interwiki-ast mw-list-item"><a href="https://ast.wikipedia.org/wiki/Nube_molecular" title="Nube molecular – Αστουριανά" lang="ast" hreflang="ast" data-title="Nube molecular" data-language-autonym="Asturianu" data-language-local-name="Αστουριανά" 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/Molekulyar_bulud" title="Molekulyar bulud – Αζερμπαϊτζανικά" lang="az" hreflang="az" data-title="Molekulyar bulud" data-language-autonym="Azərbaycanca" data-language-local-name="Αζερμπαϊτζανικά" class="interlanguage-link-target"><span>Azərbaycanca</span></a></li><li class="interlanguage-link interwiki-be mw-list-item"><a href="https://be.wikipedia.org/wiki/%D0%9C%D0%B0%D0%BB%D0%B5%D0%BA%D1%83%D0%BB%D1%8F%D1%80%D0%BD%D0%B0%D0%B5_%D0%B2%D0%BE%D0%B1%D0%BB%D0%B0%D0%BA%D0%B0" title="Малекулярнае воблака – Λευκορωσικά" lang="be" hreflang="be" data-title="Малекулярнае воблака" data-language-autonym="Беларуская" data-language-local-name="Λευκορωσικά" class="interlanguage-link-target"><span>Беларуская</span></a></li><li class="interlanguage-link interwiki-bg mw-list-item"><a href="https://bg.wikipedia.org/wiki/%D0%9C%D0%BE%D0%BB%D0%B5%D0%BA%D1%83%D0%BB%D1%8F%D1%80%D0%B5%D0%BD_%D0%BE%D0%B1%D0%BB%D0%B0%D0%BA" title="Молекулярен облак – Βουλγαρικά" lang="bg" hreflang="bg" data-title="Молекулярен облак" data-language-autonym="Български" data-language-local-name="Βουλγαρικά" 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%86%E0%A6%A3%E0%A6%AC%E0%A6%BF%E0%A6%95_%E0%A6%AE%E0%A7%87%E0%A6%98" title="আণবিক মেঘ – Βεγγαλικά" lang="bn" hreflang="bn" data-title="আণবিক মেঘ" data-language-autonym="বাংলা" data-language-local-name="Βεγγαλικά" class="interlanguage-link-target"><span>বাংলা</span></a></li><li class="interlanguage-link interwiki-bs mw-list-item"><a href="https://bs.wikipedia.org/wiki/Molekularni_oblak" title="Molekularni oblak – Βοσνιακά" lang="bs" hreflang="bs" data-title="Molekularni oblak" data-language-autonym="Bosanski" data-language-local-name="Βοσνιακά" class="interlanguage-link-target"><span>Bosanski</span></a></li><li class="interlanguage-link interwiki-ca mw-list-item"><a href="https://ca.wikipedia.org/wiki/N%C3%BAvol_molecular" title="Núvol molecular – Καταλανικά" lang="ca" hreflang="ca" data-title="Núvol molecular" data-language-autonym="Català" data-language-local-name="Καταλανικά" class="interlanguage-link-target"><span>Català</span></a></li><li class="interlanguage-link interwiki-ckb mw-list-item"><a href="https://ckb.wikipedia.org/wiki/%DA%BE%DB%95%D9%88%D8%B1%DB%8C_%DA%AF%DB%95%D8%B1%D8%AF%DB%8C" title="ھەوری گەردی – Κεντρικά Κουρδικά" lang="ckb" hreflang="ckb" data-title="ھەوری گەردی" data-language-autonym="کوردی" data-language-local-name="Κεντρικά Κουρδικά" class="interlanguage-link-target"><span>کوردی</span></a></li><li class="interlanguage-link interwiki-cs mw-list-item"><a href="https://cs.wikipedia.org/wiki/Molekul%C3%A1rn%C3%AD_mra%C4%8Dno" title="Molekulární mračno – Τσεχικά" lang="cs" hreflang="cs" data-title="Molekulární mračno" data-language-autonym="Čeština" data-language-local-name="Τσεχικά" class="interlanguage-link-target"><span>Čeština</span></a></li><li class="interlanguage-link interwiki-de mw-list-item"><a href="https://de.wikipedia.org/wiki/Molek%C3%BClwolke" title="Molekülwolke – Γερμανικά" lang="de" hreflang="de" data-title="Molekülwolke" data-language-autonym="Deutsch" data-language-local-name="Γερμανικά" class="interlanguage-link-target"><span>Deutsch</span></a></li><li class="interlanguage-link interwiki-en mw-list-item"><a href="https://en.wikipedia.org/wiki/Molecular_cloud" title="Molecular cloud – Αγγλικά" lang="en" hreflang="en" data-title="Molecular cloud" data-language-autonym="English" data-language-local-name="Αγγλικά" class="interlanguage-link-target"><span>English</span></a></li><li class="interlanguage-link interwiki-es mw-list-item"><a href="https://es.wikipedia.org/wiki/Nube_molecular" title="Nube molecular – Ισπανικά" lang="es" hreflang="es" data-title="Nube molecular" data-language-autonym="Español" data-language-local-name="Ισπανικά" 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/Molekulipilv" title="Molekulipilv – Εσθονικά" lang="et" hreflang="et" data-title="Molekulipilv" data-language-autonym="Eesti" data-language-local-name="Εσθονικά" class="interlanguage-link-target"><span>Eesti</span></a></li><li class="interlanguage-link interwiki-eu mw-list-item"><a href="https://eu.wikipedia.org/wiki/Molekula_laino" title="Molekula laino – Βασκικά" lang="eu" hreflang="eu" data-title="Molekula laino" data-language-autonym="Euskara" data-language-local-name="Βασκικά" class="interlanguage-link-target"><span>Euskara</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_%D9%85%D9%88%D9%84%DA%A9%D9%88%D9%84%DB%8C" title="ابر مولکولی – Περσικά" lang="fa" hreflang="fa" data-title="ابر مولکولی" data-language-autonym="فارسی" data-language-local-name="Περσικά" 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/Molekyylipilvi" title="Molekyylipilvi – Φινλανδικά" lang="fi" hreflang="fi" data-title="Molekyylipilvi" data-language-autonym="Suomi" data-language-local-name="Φινλανδικά" 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_mol%C3%A9culaire" title="Nuage moléculaire – Γαλλικά" lang="fr" hreflang="fr" data-title="Nuage moléculaire" data-language-autonym="Français" data-language-local-name="Γαλλικά" 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/N%C3%A9al_m%C3%B3il%C3%ADneach" title="Néal móilíneach – Ιρλανδικά" lang="ga" hreflang="ga" data-title="Néal móilíneach" data-language-autonym="Gaeilge" data-language-local-name="Ιρλανδικά" class="interlanguage-link-target"><span>Gaeilge</span></a></li><li class="interlanguage-link interwiki-gl mw-list-item"><a href="https://gl.wikipedia.org/wiki/Nube_molecular" title="Nube molecular – Γαλικιανά" lang="gl" hreflang="gl" data-title="Nube molecular" data-language-autonym="Galego" data-language-local-name="Γαλικιανά" class="interlanguage-link-target"><span>Galego</span></a></li><li class="interlanguage-link interwiki-he mw-list-item"><a href="https://he.wikipedia.org/wiki/%D7%A2%D7%A0%D7%9F_%D7%9E%D7%95%D7%9C%D7%A7%D7%95%D7%9C%D7%A8%D7%99" title="ענן מולקולרי – Εβραϊκά" lang="he" hreflang="he" data-title="ענן מולקולרי" data-language-autonym="עברית" data-language-local-name="Εβραϊκά" 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%86%E0%A4%A3%E0%A4%B5%E0%A4%BF%E0%A4%95_%E0%A4%AC%E0%A4%BE%E0%A4%A6%E0%A4%B2" title="आणविक बादल – Χίντι" lang="hi" hreflang="hi" data-title="आणविक बादल" data-language-autonym="हिन्दी" data-language-local-name="Χίντι" 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/Molekulski_oblak" title="Molekulski oblak – Κροατικά" lang="hr" hreflang="hr" data-title="Molekulski oblak" data-language-autonym="Hrvatski" data-language-local-name="Κροατικά" class="interlanguage-link-target"><span>Hrvatski</span></a></li><li class="interlanguage-link interwiki-hy mw-list-item"><a href="https://hy.wikipedia.org/wiki/%D5%84%D5%B8%D5%AC%D5%A5%D5%AF%D5%B8%D6%82%D5%AC%D5%A1%D5%B5%D5%AB%D5%B6_%D5%A1%D5%B4%D5%BA" title="Մոլեկուլային ամպ – Αρμενικά" lang="hy" hreflang="hy" data-title="Մոլեկուլային ամպ" data-language-autonym="Հայերեն" data-language-local-name="Αρμενικά" 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_molekul" title="Awan molekul – Ινδονησιακά" lang="id" hreflang="id" data-title="Awan molekul" data-language-autonym="Bahasa Indonesia" data-language-local-name="Ινδονησιακά" class="interlanguage-link-target"><span>Bahasa Indonesia</span></a></li><li class="interlanguage-link interwiki-it badge-Q17437798 badge-goodarticle mw-list-item" title="καλό λήμμα"><a href="https://it.wikipedia.org/wiki/Nube_molecolare" title="Nube molecolare – Ιταλικά" lang="it" hreflang="it" data-title="Nube molecolare" data-language-autonym="Italiano" data-language-local-name="Ιταλικά" 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/%E5%88%86%E5%AD%90%E9%9B%B2" title="分子雲 – Ιαπωνικά" lang="ja" hreflang="ja" data-title="分子雲" data-language-autonym="日本語" data-language-local-name="Ιαπωνικά" 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/Awan_molekul" title="Awan molekul – Ιαβανικά" lang="jv" hreflang="jv" data-title="Awan molekul" data-language-autonym="Jawa" data-language-local-name="Ιαβανικά" 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%9B%E1%83%9D%E1%83%9A%E1%83%94%E1%83%99%E1%83%A3%E1%83%9A%E1%83%A3%E1%83%A0%E1%83%98_%E1%83%A6%E1%83%A0%E1%83%A3%E1%83%91%E1%83%94%E1%83%9A%E1%83%98" title="მოლეკულური ღრუბელი – Γεωργιανά" lang="ka" hreflang="ka" data-title="მოლეკულური ღრუბელი" data-language-autonym="ქართული" data-language-local-name="Γεωργιανά" class="interlanguage-link-target"><span>ქართული</span></a></li><li class="interlanguage-link interwiki-kab mw-list-item"><a href="https://kab.wikipedia.org/wiki/Asignew_axeclawan" title="Asignew axeclawan – Καμπίλε" lang="kab" hreflang="kab" data-title="Asignew axeclawan" data-language-autonym="Taqbaylit" data-language-local-name="Καμπίλε" class="interlanguage-link-target"><span>Taqbaylit</span></a></li><li class="interlanguage-link interwiki-ko mw-list-item"><a href="https://ko.wikipedia.org/wiki/%EB%B6%84%EC%9E%90%EC%9A%B4" title="분자운 – Κορεατικά" lang="ko" hreflang="ko" data-title="분자운" data-language-autonym="한국어" data-language-local-name="Κορεατικά" class="interlanguage-link-target"><span>한국어</span></a></li><li class="interlanguage-link interwiki-lb mw-list-item"><a href="https://lb.wikipedia.org/wiki/Molek%C3%BCllewollek" title="Moleküllewollek – Λουξεμβουργιανά" lang="lb" hreflang="lb" data-title="Moleküllewollek" data-language-autonym="Lëtzebuergesch" data-language-local-name="Λουξεμβουργιανά" class="interlanguage-link-target"><span>Lëtzebuergesch</span></a></li><li class="interlanguage-link interwiki-lt mw-list-item"><a href="https://lt.wikipedia.org/wiki/Molekulinis_debesis" title="Molekulinis debesis – Λιθουανικά" lang="lt" hreflang="lt" data-title="Molekulinis debesis" data-language-autonym="Lietuvių" data-language-local-name="Λιθουανικά" class="interlanguage-link-target"><span>Lietuvių</span></a></li><li class="interlanguage-link interwiki-mk mw-list-item"><a href="https://mk.wikipedia.org/wiki/%D0%9C%D0%BE%D0%BB%D0%B5%D0%BA%D1%83%D0%BB%D0%B0%D1%80%D0%B5%D0%BD_%D0%BE%D0%B1%D0%BB%D0%B0%D0%BA" title="Молекуларен облак – Σλαβομακεδονικά" lang="mk" hreflang="mk" data-title="Молекуларен облак" data-language-autonym="Македонски" data-language-local-name="Σλαβομακεδονικά" 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%A4%E0%B4%A8%E0%B5%8D%E0%B4%AE%E0%B4%BE%E0%B4%A4%E0%B5%8D%E0%B4%B0%E0%B4%BE_%E0%B4%AE%E0%B5%87%E0%B4%98%E0%B4%82" title="തന്മാത്രാ മേഘം – Μαλαγιαλαμικά" lang="ml" hreflang="ml" data-title="തന്മാത്രാ മേഘം" data-language-autonym="മലയാളം" data-language-local-name="Μαλαγιαλαμικά" class="interlanguage-link-target"><span>മലയാളം</span></a></li><li class="interlanguage-link interwiki-mn mw-list-item"><a href="https://mn.wikipedia.org/wiki/%D0%9C%D0%BE%D0%BB%D0%B5%D0%BA%D1%83%D0%BB%D1%8B%D0%BD_%D2%AF%D2%AF%D0%BB" title="Молекулын үүл – Μογγολικά" lang="mn" hreflang="mn" data-title="Молекулын үүл" data-language-autonym="Монгол" data-language-local-name="Μογγολικά" class="interlanguage-link-target"><span>Монгол</span></a></li><li class="interlanguage-link interwiki-ms mw-list-item"><a href="https://ms.wikipedia.org/wiki/Awan_molekul" title="Awan molekul – Μαλαισιανά" lang="ms" hreflang="ms" data-title="Awan molekul" data-language-autonym="Bahasa Melayu" data-language-local-name="Μαλαισιανά" class="interlanguage-link-target"><span>Bahasa Melayu</span></a></li><li class="interlanguage-link interwiki-nl mw-list-item"><a href="https://nl.wikipedia.org/wiki/Moleculaire_wolk" title="Moleculaire wolk – Ολλανδικά" lang="nl" hreflang="nl" data-title="Moleculaire wolk" data-language-autonym="Nederlands" data-language-local-name="Ολλανδικά" class="interlanguage-link-target"><span>Nederlands</span></a></li><li class="interlanguage-link interwiki-no mw-list-item"><a href="https://no.wikipedia.org/wiki/Molekylsky" title="Molekylsky – Νορβηγικά Μποκμάλ" lang="nb" hreflang="nb" data-title="Molekylsky" data-language-autonym="Norsk bokmål" data-language-local-name="Νορβηγικά Μποκμάλ" class="interlanguage-link-target"><span>Norsk bokmål</span></a></li><li class="interlanguage-link interwiki-pl mw-list-item"><a href="https://pl.wikipedia.org/wiki/Ob%C5%82ok_molekularny" title="Obłok molekularny – Πολωνικά" lang="pl" hreflang="pl" data-title="Obłok molekularny" data-language-autonym="Polski" data-language-local-name="Πολωνικά" 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/%D9%85%D8%A7%D9%84%DB%8C%DA%A9%D9%88%D9%84%DB%8C_%D8%A8%D8%AF%D9%84" title="مالیکولی بدل – Western Punjabi" lang="pnb" hreflang="pnb" data-title="مالیکولی 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 mw-list-item"><a href="https://pt.wikipedia.org/wiki/Nuvem_molecular" title="Nuvem molecular – Πορτογαλικά" lang="pt" hreflang="pt" data-title="Nuvem molecular" data-language-autonym="Português" data-language-local-name="Πορτογαλικά" 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/Nor_molecular" title="Nor molecular – Ρουμανικά" lang="ro" hreflang="ro" data-title="Nor molecular" data-language-autonym="Română" data-language-local-name="Ρουμανικά" 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%9C%D0%BE%D0%BB%D0%B5%D0%BA%D1%83%D0%BB%D1%8F%D1%80%D0%BD%D0%BE%D0%B5_%D0%BE%D0%B1%D0%BB%D0%B0%D0%BA%D0%BE" title="Молекулярное облако – Ρωσικά" lang="ru" hreflang="ru" data-title="Молекулярное облако" data-language-autonym="Русский" data-language-local-name="Ρωσικά" class="interlanguage-link-target"><span>Русский</span></a></li><li class="interlanguage-link interwiki-sh mw-list-item"><a href="https://sh.wikipedia.org/wiki/Gigantski_molekulski_oblaci" title="Gigantski molekulski oblaci – Σερβοκροατικά" lang="sh" hreflang="sh" data-title="Gigantski molekulski oblaci" data-language-autonym="Srpskohrvatski / српскохрватски" data-language-local-name="Σερβοκροατικά" class="interlanguage-link-target"><span>Srpskohrvatski / српскохрватски</span></a></li><li class="interlanguage-link interwiki-si mw-list-item"><a href="https://si.wikipedia.org/wiki/%E0%B6%85%E0%B6%AB%E0%B7%94%E0%B6%9A_%E0%B7%80%E0%B6%BD%E0%B7%8F" title="අණුක වලා – Σινχαλεζικά" lang="si" hreflang="si" data-title="අණුක වලා" data-language-autonym="සිංහල" data-language-local-name="Σινχαλεζικά" class="interlanguage-link-target"><span>සිංහල</span></a></li><li class="interlanguage-link interwiki-simple mw-list-item"><a href="https://simple.wikipedia.org/wiki/Molecular_cloud" title="Molecular cloud – Simple English" lang="en-simple" hreflang="en-simple" data-title="Molecular 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/Molekul%C3%A1rny_mrak" title="Molekulárny mrak – Σλοβακικά" lang="sk" hreflang="sk" data-title="Molekulárny mrak" data-language-autonym="Slovenčina" data-language-local-name="Σλοβακικά" 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/Molekularni_oblak" title="Molekularni oblak – Σλοβενικά" lang="sl" hreflang="sl" data-title="Molekularni oblak" data-language-autonym="Slovenščina" data-language-local-name="Σλοβενικά" 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/Molekularni_oblak" title="Molekularni oblak – Σερβικά" lang="sr" hreflang="sr" data-title="Molekularni oblak" data-language-autonym="Српски / srpski" data-language-local-name="Σερβικά" 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/Molekylmoln" title="Molekylmoln – Σουηδικά" lang="sv" hreflang="sv" data-title="Molekylmoln" data-language-autonym="Svenska" data-language-local-name="Σουηδικά" class="interlanguage-link-target"><span>Svenska</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%B9%82%E0%B8%A1%E0%B9%80%E0%B8%A5%E0%B8%81%E0%B8%B8%E0%B8%A5" title="เมฆโมเลกุล – Ταϊλανδικά" lang="th" hreflang="th" data-title="เมฆโมเลกุล" data-language-autonym="ไทย" data-language-local-name="Ταϊλανδικά" class="interlanguage-link-target"><span>ไทย</span></a></li><li class="interlanguage-link interwiki-tr mw-list-item"><a href="https://tr.wikipedia.org/wiki/Molek%C3%BCler_bulut" title="Moleküler bulut – Τουρκικά" lang="tr" hreflang="tr" data-title="Moleküler bulut" data-language-autonym="Türkçe" data-language-local-name="Τουρκικά" class="interlanguage-link-target"><span>Türkçe</span></a></li><li class="interlanguage-link interwiki-uk mw-list-item"><a href="https://uk.wikipedia.org/wiki/%D0%9C%D0%BE%D0%BB%D0%B5%D0%BA%D1%83%D0%BB%D1%8F%D1%80%D0%BD%D0%B0_%D1%85%D0%BC%D0%B0%D1%80%D0%B0" title="Молекулярна хмара – Ουκρανικά" lang="uk" hreflang="uk" data-title="Молекулярна хмара" data-language-autonym="Українська" data-language-local-name="Ουκρανικά" class="interlanguage-link-target"><span>Українська</span></a></li><li class="interlanguage-link interwiki-vi mw-list-item"><a href="https://vi.wikipedia.org/wiki/%C4%90%C3%A1m_m%C3%A2y_ph%C3%A2n_t%E1%BB%AD" title="Đám mây phân tử – Βιετναμικά" lang="vi" hreflang="vi" data-title="Đám mây phân tử" data-language-autonym="Tiếng Việt" data-language-local-name="Βιετναμικά" class="interlanguage-link-target"><span>Tiếng Việt</span></a></li><li class="interlanguage-link interwiki-wuu mw-list-item"><a href="https://wuu.wikipedia.org/wiki/%E5%88%86%E5%AD%90%E4%BA%91" title="分子云 – Κινεζικά Γου" lang="wuu" hreflang="wuu" data-title="分子云" data-language-autonym="吴语" data-language-local-name="Κινεζικά Γου" 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%9B%E1%83%9D%E1%83%9A%E1%83%94%E1%83%99%E1%83%A3%E1%83%9A%E1%83%A3%E1%83%A0%E1%83%98_%E1%83%9B%E1%83%A3%E1%83%9C%E1%83%90%E1%83%A4%E1%83%90" title="მოლეკულური მუნაფა – Mingrelian" lang="xmf" hreflang="xmf" data-title="მოლეკულური 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%88%86%E5%AD%90%E9%9B%B2" title="分子雲 – Κινεζικά" lang="zh" hreflang="zh" data-title="分子雲" data-language-autonym="中文" data-language-local-name="Κινεζικά" class="interlanguage-link-target"><span>中文</span></a></li><li class="interlanguage-link interwiki-zh-yue mw-list-item"><a href="https://zh-yue.wikipedia.org/wiki/%E5%88%86%E5%AD%90%E9%9B%B2" title="分子雲 – Καντονέζικα" lang="yue" hreflang="yue" data-title="分子雲" data-language-autonym="粵語" data-language-local-name="Καντονέζικα" class="interlanguage-link-target"><span>粵語</span></a></li> </ul> <div class="after-portlet after-portlet-lang"><span class="wb-langlinks-edit wb-langlinks-link"><a href="https://www.wikidata.org/wiki/Special:EntityPage/Q272447#sitelinks-wikipedia" title="Επεξεργασία διαγλωσσικών συνδέσεων" class="wbc-editpage">Επεξεργασία συνδέσμων</a></span></div> </div> </div> </div> </header> <div class="vector-page-toolbar"> <div class="vector-page-toolbar-container"> <div id="left-navigation"> <nav aria-label="Ονοματοχώροι"> <div id="p-associated-pages" class="vector-menu vector-menu-tabs mw-portlet mw-portlet-associated-pages" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="ca-nstab-main" class="selected vector-tab-noicon mw-list-item"><a href="/wiki/%CE%9C%CE%BF%CF%81%CE%B9%CE%B1%CE%BA%CF%8C_%CE%BD%CE%AD%CF%86%CE%BF%CF%82" title="Προβολή της 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href="/w/index.php?title=%CE%95%CE%B9%CE%B4%CE%B9%CE%BA%CF%8C:QrCode&url=https%3A%2F%2Fel.wikipedia.org%2Fwiki%2F%25CE%259C%25CE%25BF%25CF%2581%25CE%25B9%25CE%25B1%25CE%25BA%25CF%258C_%25CE%25BD%25CE%25AD%25CF%2586%25CE%25BF%25CF%2582"><span>Λήψη κωδικού QR</span></a></li> </ul> </div> </div> <div id="p-coll-print_export" class="vector-menu mw-portlet mw-portlet-coll-print_export" > <div class="vector-menu-heading"> Εκτύπωση/εξαγωγή </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="coll-create_a_book" class="mw-list-item"><a href="/w/index.php?title=%CE%95%CE%B9%CE%B4%CE%B9%CE%BA%CF%8C:%CE%A3%CF%85%CE%BB%CE%BB%CE%BF%CE%B3%CE%AE&bookcmd=book_creator&referer=%CE%9C%CE%BF%CF%81%CE%B9%CE%B1%CE%BA%CF%8C+%CE%BD%CE%AD%CF%86%CE%BF%CF%82"><span>Δημιουργία βιβλίου</span></a></li><li id="coll-download-as-rl" class="mw-list-item"><a href="/w/index.php?title=%CE%95%CE%B9%CE%B4%CE%B9%CE%BA%CF%8C:DownloadAsPdf&page=%CE%9C%CE%BF%CF%81%CE%B9%CE%B1%CE%BA%CF%8C_%CE%BD%CE%AD%CF%86%CE%BF%CF%82&action=show-download-screen"><span>Κατέβασμα ως PDF</span></a></li><li id="t-print" class="mw-list-item"><a href="/w/index.php?title=%CE%9C%CE%BF%CF%81%CE%B9%CE%B1%CE%BA%CF%8C_%CE%BD%CE%AD%CF%86%CE%BF%CF%82&printable=yes" title="Εκτυπώσιμη έκδοση αυτής της σελίδας [p]" accesskey="p"><span>Εκτυπώσιμη έκδοση</span></a></li> </ul> </div> </div> <div id="p-wikibase-otherprojects" class="vector-menu mw-portlet mw-portlet-wikibase-otherprojects" > <div class="vector-menu-heading"> Σε άλλα εγχειρήματα </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="wb-otherproject-link wb-otherproject-commons mw-list-item"><a href="https://commons.wikimedia.org/wiki/Category:Molecular_clouds" hreflang="en"><span>Wikimedia Commons</span></a></li><li id="t-wikibase" class="wb-otherproject-link wb-otherproject-wikibase-dataitem mw-list-item"><a href="https://www.wikidata.org/wiki/Special:EntityPage/Q272447" title="Σύνδεσμος προς το συνδεδεμένο αντικείμενο δεδομένων [g]" accesskey="g"><span>Αντικείμενο Wikidata</span></a></li> </ul> </div> </div> </div> </div> </div> </div> </nav> </div> </div> </div> <div class="vector-column-end"> <div class="vector-sticky-pinned-container"> <nav class="vector-page-tools-landmark" aria-label="Εργαλεία σελίδων"> <div id="vector-page-tools-pinned-container" class="vector-pinned-container"> </div> </nav> <nav class="vector-appearance-landmark" aria-label="Εμφάνιση"> <div id="vector-appearance-pinned-container" class="vector-pinned-container"> <div id="vector-appearance" class="vector-appearance vector-pinnable-element"> <div class="vector-pinnable-header vector-appearance-pinnable-header vector-pinnable-header-pinned" data-feature-name="appearance-pinned" data-pinnable-element-id="vector-appearance" data-pinned-container-id="vector-appearance-pinned-container" data-unpinned-container-id="vector-appearance-unpinned-container" > <div class="vector-pinnable-header-label">Εμφάνιση</div> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-appearance.pin">μετακίνηση στην πλαϊνή μπάρα</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-appearance.unpin">απόκρυψη</button> </div> </div> </div> </nav> </div> </div> <div id="bodyContent" class="vector-body" aria-labelledby="firstHeading" data-mw-ve-target-container> <div class="vector-body-before-content"> <div class="mw-indicators"> </div> <div id="siteSub" class="noprint">Από τη Βικιπαίδεια, την ελεύθερη εγκυκλοπαίδεια</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="el" dir="ltr"><figure typeof="mw:File/Thumb"><a href="/wiki/%CE%91%CF%81%CF%87%CE%B5%CE%AF%CE%BF:%22Finger_of_God%22_Bok_globule_in_the_Carina_Nebula.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/8/82/%22Finger_of_God%22_Bok_globule_in_the_Carina_Nebula.jpg/250px-%22Finger_of_God%22_Bok_globule_in_the_Carina_Nebula.jpg" decoding="async" width="250" height="200" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/8/82/%22Finger_of_God%22_Bok_globule_in_the_Carina_Nebula.jpg/375px-%22Finger_of_God%22_Bok_globule_in_the_Carina_Nebula.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/8/82/%22Finger_of_God%22_Bok_globule_in_the_Carina_Nebula.jpg/500px-%22Finger_of_God%22_Bok_globule_in_the_Carina_Nebula.jpg 2x" data-file-width="1280" data-file-height="1024" /></a><figcaption>Μέσα σε λίγα εκατομμύρια χρόνια το φως από τα φωτεινά αστέρια θα έχει εξατμίσει αυτό το μοριακό νέφος αερίου και σκόνης. Το νέφος έχει αποσπαστεί από το <a href="/wiki/%CE%9D%CE%B5%CF%86%CE%AD%CE%BB%CF%89%CE%BC%CE%B1_%CF%84%CE%B7%CF%82_%CE%A4%CF%81%CF%8C%CF%80%CE%B9%CE%B4%CE%BF%CF%82" title="Νεφέλωμα της Τρόπιδος">νεφέλωμα της Τρόπιδος</a>. Τα νεοσχηματισμένα αστέρια είναι ορατά πλησίον, οι εικόνες τους κοκκινισμένες από το μπλε φως που κατά προτίμηση διασκορπίζονται από τη διάχυτη σκόνη. Αυτή η εικόνα εκτείνεται περίπου δύο έτη φωτός και λήφθηκε από το <a href="/wiki/%CE%94%CE%B9%CE%B1%CF%83%CF%84%CE%B7%CE%BC%CE%B9%CE%BA%CF%8C_%CF%84%CE%B7%CE%BB%CE%B5%CF%83%CE%BA%CF%8C%CF%80%CE%B9%CE%BF_%CE%A7%CE%B1%CE%BC%CF%80%CE%BB" title="Διαστημικό τηλεσκόπιο Χαμπλ">Διαστημικό τηλεσκόπιο Χαμπλ</a> το 1999.</figcaption></figure> <style data-mw-deduplicate="TemplateStyles:r10686347">.mw-parser-output .sidebar{width:22em;float:right;clear:right;margin:0.5em 0 1em 1em;background:var(--background-color-neutral-subtle,#f8f9fa);border:1px solid var(--border-color-base,#a2a9b1);padding:0.2em;text-align:center;line-height:1.4em;font-size:88%;border-collapse:collapse;display:table}body.skin-minerva .mw-parser-output .sidebar{display:table!important;float:right!important;margin:0.5em 0 1em 1em!important}.mw-parser-output .sidebar-subgroup{width:100%;margin:0;border-spacing:0}.mw-parser-output .sidebar-left{float:left;clear:left;margin:0.5em 1em 1em 0}.mw-parser-output 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αστεριών</a></th></tr><tr><td class="sidebar-image"><span typeof="mw:File"><a href="/wiki/%CE%91%CF%81%CF%87%CE%B5%CE%AF%CE%BF:LH_95.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/8/87/LH_95.jpg/145px-LH_95.jpg" decoding="async" width="145" height="155" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/8/87/LH_95.jpg/218px-LH_95.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/8/87/LH_95.jpg/290px-LH_95.jpg 2x" data-file-width="3622" data-file-height="3877" /></a></span></td></tr><tr><th class="sidebar-heading"> Κατηγορίες τάξεων αντικειμένων</th></tr><tr><td class="sidebar-content"> <a href="/w/index.php?title=%CE%94%CE%B9%CE%B1%CF%83%CF%84%CF%81%CE%B9%CE%BA%CF%8C_%CE%BC%CE%AD%CF%83%CE%BF&action=edit&redlink=1" class="new" title="Διαστρικό μέσο (δεν έχει γραφτεί ακόμα)">Διαστρικό μέσο</a><br /> <a class="mw-selflink selflink">Μοριακό νέφος</a><br /> <a 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href="/w/index.php?title=%CE%A5%CF%80%CF%8C%CE%B8%CE%B5%CF%83%CE%B7_%CF%84%CF%89%CE%BD_%CE%BD%CE%B5%CF%86%CE%B5%CE%BB%CF%89%CE%BC%CE%AC%CF%84%CF%89%CE%BD&action=edit&redlink=1" class="new" title="Υπόθεση των νεφελωμάτων (δεν έχει γραφτεί ακόμα)">Υπόθεση των νεφελωμάτων</a> <br /> <a href="/wiki/%CE%9C%CE%B5%CF%84%CE%B1%CE%BD%CE%AC%CF%83%CF%84%CE%B5%CF%85%CF%83%CE%B7_%CF%80%CE%BB%CE%B1%CE%BD%CE%B7%CF%84%CF%8E%CE%BD" title="Μετανάστευση πλανητών">Μετανάστευση πλανητών</a></td> </tr><tr><td class="sidebar-below"> <hr /><span typeof="mw:File"><span title="Πύλη"><img alt="Πύλη" src="//upload.wikimedia.org/wikipedia/commons/thumb/f/fd/Portal-puzzle.svg/16px-Portal-puzzle.svg.png" decoding="async" width="16" height="14" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/f/fd/Portal-puzzle.svg/24px-Portal-puzzle.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/f/fd/Portal-puzzle.svg/32px-Portal-puzzle.svg.png 2x" data-file-width="32" data-file-height="28" /></span></span> <a href="/wiki/%CE%A0%CF%8D%CE%BB%CE%B7:%CE%91%CF%83%CF%84%CF%81%CE%BF%CE%BD%CE%BF%CE%BC%CE%AF%CE%B1" title="Πύλη:Αστρονομία">Πύλη Αστρονομία</a><hr /></td></tr><tr><td class="sidebar-navbar"><style data-mw-deduplicate="TemplateStyles:r8595637">.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-mini abbr{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}.mw-parser-output .infobox .navbar{font-size:100%}.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 class="navbar plainlinks hlist navbar-mini"><ul><li class="nv-προβολή"><a href="/wiki/%CE%A0%CF%81%CF%8C%CF%84%CF%85%CF%80%CE%BF:%CE%A3%CF%87%CE%B7%CE%BC%CE%B1%CF%84%CE%B9%CF%83%CE%BC%CF%8C%CF%82_%CF%84%CF%89%CE%BD_%CE%B1%CF%83%CF%84%CE%B5%CF%81%CE%B9%CF%8E%CE%BD" title="Πρότυπο:Σχηματισμός των αστεριών"><abbr title="Προβολή του προτύπου">π</abbr></a></li><li class="nv-συζ."><a href="/w/index.php?title=%CE%A3%CF%85%CE%B6%CE%AE%CF%84%CE%B7%CF%83%CE%B7_%CF%80%CF%81%CE%BF%CF%84%CF%8D%CF%80%CE%BF%CF%85:%CE%A3%CF%87%CE%B7%CE%BC%CE%B1%CF%84%CE%B9%CF%83%CE%BC%CF%8C%CF%82_%CF%84%CF%89%CE%BD_%CE%B1%CF%83%CF%84%CE%B5%CF%81%CE%B9%CF%8E%CE%BD&action=edit&redlink=1" class="new" title="Συζήτηση προτύπου:Σχηματισμός των αστεριών (δεν έχει γραφτεί ακόμα)"><abbr title="Συζήτηση του προτύπου">σ</abbr></a></li><li class="nv-επεξ."><a class="external text" href="https://el.wikipedia.org/w/index.php?title=%CE%A0%CF%81%CF%8C%CF%84%CF%85%CF%80%CE%BF:%CE%A3%CF%87%CE%B7%CE%BC%CE%B1%CF%84%CE%B9%CF%83%CE%BC%CF%8C%CF%82_%CF%84%CF%89%CE%BD_%CE%B1%CF%83%CF%84%CE%B5%CF%81%CE%B9%CF%8E%CE%BD&action=edit"><abbr title="Επεξεργασία του προτύπου">ε</abbr></a></li></ul></div></td></tr></tbody></table> <p>Ένα <b>μοριακό νέφος</b>, που μερικές φορές ονομάζεται <b>αστρικό εκκολαπτήριο</b> (αν συμβαίνει μέσα του σχηματισμός αστεριών), είναι τύπος <a href="/w/index.php?title=%CE%94%CE%B9%CE%B1%CF%83%CF%84%CF%81%CE%B9%CE%BA%CF%8C_%CE%BD%CE%AD%CF%86%CE%BF%CF%82&action=edit&redlink=1" class="new" title="Διαστρικό νέφος (δεν έχει γραφτεί ακόμα)">διαστρικού νέφους</a>, η πυκνότητα και το μέγεθος του οποίου επιτρέπουν τον σχηματισμό μορίων, συνηθέστερα <a href="/w/index.php?title=%CE%9C%CE%BF%CF%81%CE%B9%CE%B1%CE%BA%CF%8C_%CF%85%CE%B4%CF%81%CE%BF%CE%B3%CF%8C%CE%BD%CE%BF&action=edit&redlink=1" class="new" title="Μοριακό υδρογόνο (δεν έχει γραφτεί ακόμα)">μοριακού υδρογόνου</a> (H<sub>2</sub>). Αυτό έρχεται σε αντίθεση με άλλες περιοχές του διαστρικού μέσου που περιέχουν κυρίως <a href="/w/index.php?title=%CE%99%CE%BF%CE%BD%CE%B9%CF%83%CE%BC%CE%AD%CE%BD%CE%BF_%CE%B1%CE%AD%CF%81%CE%B9%CE%BF&action=edit&redlink=1" class="new" title="Ιονισμένο αέριο (δεν έχει γραφτεί ακόμα)">ιονισμένο αέριο</a>. </p><p>Το μοριακό υδρογόνο είναι δύσκολο να ανιχνευθεί με παρατηρήσεις υπερύθρων και ραδιοσυχνοτήτων, οπότε το πιο συχνά χρησιμοποιούμενο μόριο για τον προσδιορισμό της παρουσίας του H<sub>2</sub> είναι το <a href="/wiki/%CE%9C%CE%BF%CE%BD%CE%BF%CE%BE%CE%B5%CE%AF%CE%B4%CE%B9%CE%BF_%CF%84%CE%BF%CF%85_%CE%AC%CE%BD%CE%B8%CF%81%CE%B1%CE%BA%CE%B1" title="Μονοξείδιο του άνθρακα">μονοξείδιο του άνθρακα</a> (CO). Η αναλογία μεταξύ της <a href="/wiki/%CE%A6%CF%89%CF%84%CE%B5%CE%B9%CE%BD%CF%8C%CF%84%CE%B7%CF%84%CE%B1" title="Φωτεινότητα">φωτεινότητας</a> του CO και της <a href="/wiki/%CE%9C%CE%AC%CE%B6%CE%B1" title="Μάζα">μάζας</a> του H<sub>2</sub> θεωρείται σταθερή, αν και υπάρχουν λόγοι να αμφισβητηθεί αυτή η υπόθεση στις παρατηρήσεις ορισμένων άλλων <a href="/wiki/%CE%93%CE%B1%CE%BB%CE%B1%CE%BE%CE%AF%CE%B5%CF%82" title="Γαλαξίες">γαλαξιών</a>.<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> </p><p>Μέσα στα μοριακά νέφη υπάρχουν περιοχές με υψηλότερη πυκνότητα, όπου υπάρχουν πυρήνες σκόνης και αερίου, που λέγονται συστάδες. Αυτές οι συστάδες είναι η αρχή του σχηματισμού των αστεριών, αν η βαρύτητα μπορεί να ξεπεράσει την υψηλή πυκνότητα και να αναγκάσει τη σκόνη και το αέριο να καταρρεύσουν.<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> </p><p><br /> </p> <div class="mw-heading mw-heading2"><h2 id="Παραπομπές"><span id=".CE.A0.CE.B1.CF.81.CE.B1.CF.80.CE.BF.CE.BC.CF.80.CE.AD.CF.82"></span>Παραπομπές</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=%CE%9C%CE%BF%CF%81%CE%B9%CE%B1%CE%BA%CF%8C_%CE%BD%CE%AD%CF%86%CE%BF%CF%82&veaction=edit&section=1" title="Επεξεργασία ενότητας: Παραπομπές" class="mw-editsection-visualeditor"><span>Επεξεργασία</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=%CE%9C%CE%BF%CF%81%CE%B9%CE%B1%CE%BA%CF%8C_%CE%BD%CE%AD%CF%86%CE%BF%CF%82&action=edit&section=1" title="Επεξεργαστείτε τον πηγαίο κώδικα της ενότητας: Παραπομπές"><span>επεξεργασία κώδικα</span></a><span class="mw-editsection-bracket">]</span></span></div> <div class="mw-references-wrap"><ol class="references"> <li id="cite_note-1"><span class="mw-cite-backlink"><a href="#cite_ref-1">↑</a></span> <span class="reference-text"><cite class="citation web">Craig Kulesa. <a rel="nofollow" class="external text" href="https://web.archive.org/web/20120619170801/http://loke.as.arizona.edu/~ckulesa/research/overview.html">«Overview: Molecular Astrophysics and Star Formation»</a>. <i>Research Projects</i>. Αρχειοθετήθηκε <a rel="nofollow" class="external text" href="http://loke.as.arizona.edu/~ckulesa/research/overview.html">από το πρωτότυπο</a> στις 19 Ιουνίου 2012<span class="reference-accessdate">. Ανακτήθηκε στις 7 Σεπτεμβρίου 2005</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=Research+Projects&rft.atitle=Overview%3A+Molecular+Astrophysics+and+Star+Formation&rft.au=Craig+Kulesa&rft_id=http%3A%2F%2Floke.as.arizona.edu%2F~ckulesa%2Fresearch%2Foverview.html&rfr_id=info%3Asid%2Fel.wikipedia.org%3A%CE%9C%CE%BF%CF%81%CE%B9%CE%B1%CE%BA%CF%8C+%CE%BD%CE%AD%CF%86%CE%BF%CF%82" class="Z3988"><span style="display:none;"> </span></span></span> </li> <li id="cite_note-2"><span class="mw-cite-backlink"><a href="#cite_ref-2">↑</a></span> <span class="reference-text"><cite class="citation book"><a rel="nofollow" class="external text" href="https://archive.org/details/Astronomy_201904"><i>Astronomy</i></a>. <a rel="nofollow" class="external free" href="https://d3bxy9euw4e147.cloudfront.net/oscms-prodcms/media/documents/Astronomy-Draft-20160817.pdf">https://d3bxy9euw4e147.cloudfront.net/oscms-prodcms/media/documents/Astronomy-Draft-20160817.pdf</a>: <a href="/w/index.php?title=Rice_University&action=edit&redlink=1" class="new" title="Rice University (δεν έχει γραφτεί ακόμα)">Rice University</a>. 2016. σελίδες <a rel="nofollow" class="external text" href="https://archive.org/details/Astronomy_201904/page/n772">761</a>. <a href="/wiki/%CE%94%CE%B9%CE%B5%CE%B8%CE%BD%CE%AE%CF%82_%CF%80%CF%81%CF%8C%CF%84%CF%85%CF%80%CE%BF%CF%82_%CE%B1%CF%81%CE%B9%CE%B8%CE%BC%CF%8C%CF%82_%CE%B2%CE%B9%CE%B2%CE%BB%CE%AF%CE%BF%CF%85" title="Διεθνής πρότυπος αριθμός βιβλίου">ISBN</a> <a href="/wiki/%CE%95%CE%B9%CE%B4%CE%B9%CE%BA%CF%8C:%CE%A0%CE%B7%CE%B3%CE%AD%CF%82%CE%92%CE%B9%CE%B2%CE%BB%CE%AF%CF%89%CE%BD/1938168283" title="Ειδικό:ΠηγέςΒιβλίων/1938168283">1938168283</a> – μέσω Open Stax.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=Astronomy&rft.place=https%3A%2F%2Fd3bxy9euw4e147.cloudfront.net%2Foscms-prodcms%2Fmedia%2Fdocuments%2FAstronomy-Draft-20160817.pdf&rft.pages=761&rft.pub=Rice+University&rft.date=2016&rft.isbn=1938168283&rft_id=https%3A%2F%2Farchive.org%2Fdetails%2FAstronomy_201904&rfr_id=info%3Asid%2Fel.wikipedia.org%3A%CE%9C%CE%BF%CF%81%CE%B9%CE%B1%CE%BA%CF%8C+%CE%BD%CE%AD%CF%86%CE%BF%CF%82" class="Z3988"><span style="display:none;"> </span></span></span> </li> </ol></div> <table class="metadata plainlinks stub" style="background: transparent;" role="presentation"><tbody><tr> <td><span typeof="mw:File"><a href="/wiki/%CE%91%CF%81%CF%87%CE%B5%CE%AF%CE%BF:Wiki_letter_w.svg" class="mw-file-description"><img alt="Stub icon" src="//upload.wikimedia.org/wikipedia/commons/thumb/6/6c/Wiki_letter_w.svg/30px-Wiki_letter_w.svg.png" decoding="async" width="30" height="30" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/6/6c/Wiki_letter_w.svg/45px-Wiki_letter_w.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/6/6c/Wiki_letter_w.svg/60px-Wiki_letter_w.svg.png 2x" data-file-width="44" data-file-height="44" /></a></span></td> <td><i>Αυτό το λήμμα χρειάζεται <a href="/wiki/%CE%92%CE%B9%CE%BA%CE%B9%CF%80%CE%B1%CE%AF%CE%B4%CE%B5%CE%B9%CE%B1:%CE%9B%CE%AE%CE%BC%CE%BC%CE%B1%CF%84%CE%B1_%CF%80%CF%81%CE%BF%CF%82_%CE%B5%CF%80%CE%AD%CE%BA%CF%84%CE%B1%CF%83%CE%B7" title="Βικιπαίδεια:Λήμματα προς επέκταση">επέκταση</a>. 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