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<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="Safle"> <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="Cynnwys" 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">Cynnwys</h2> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-toc.pin">symud i'r bar ochr</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-toc.unpin">cuddio</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">Y dechrau</div> </a> </li> <li id="toc-Manylion_personol" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Manylion_personol"> <div class="vector-toc-text"> <span class="vector-toc-numb">1</span> <span>Manylion personol</span> </div> </a> <ul id="toc-Manylion_personol-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Gyrfa" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Gyrfa"> <div class="vector-toc-text"> <span class="vector-toc-numb">2</span> <span>Gyrfa</span> </div> </a> <button aria-controls="toc-Gyrfa-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>Toglo is-adran Gyrfa</span> </button> <ul id="toc-Gyrfa-sublist" class="vector-toc-list"> <li id="toc-Aelodaeth_o_sefydliadau_addysgol" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Aelodaeth_o_sefydliadau_addysgol"> <div class="vector-toc-text"> <span class="vector-toc-numb">2.1</span> <span>Aelodaeth o sefydliadau addysgol</span> </div> </a> <ul id="toc-Aelodaeth_o_sefydliadau_addysgol-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Aelodaeth_o_grwpiau_a_chymdeithasau" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Aelodaeth_o_grwpiau_a_chymdeithasau"> <div class="vector-toc-text"> <span class="vector-toc-numb">2.2</span> <span>Aelodaeth o grwpiau a chymdeithasau</span> </div> </a> <ul id="toc-Aelodaeth_o_grwpiau_a_chymdeithasau-sublist" class="vector-toc-list"> </ul> </li> </ul> </li> <li id="toc-Gweler_hefyd" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Gweler_hefyd"> <div class="vector-toc-text"> <span class="vector-toc-numb">3</span> <span>Gweler hefyd</span> </div> </a> <ul id="toc-Gweler_hefyd-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Cyfeiriadau" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Cyfeiriadau"> <div class="vector-toc-text"> <span class="vector-toc-numb">4</span> <span>Cyfeiriadau</span> </div> </a> <ul id="toc-Cyfeiriadau-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="Cynnwys" 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="Toglo'r tabl cynnwys" > <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">Toglo'r tabl cynnwys</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">Henrietta Swan Leavitt</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="Ewch i erthygl mewn iaith arall. Ar gael mewn 55 iaith" > <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-55" 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">55 iaith</span> </label> <div class="vector-dropdown-content"> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="interlanguage-link interwiki-an mw-list-item"><a href="https://an.wikipedia.org/wiki/Henrietta_Swan_Leavitt" title="Henrietta Swan Leavitt - Aragoneg" lang="an" hreflang="an" data-title="Henrietta Swan Leavitt" data-language-autonym="Aragonés" data-language-local-name="Aragoneg" class="interlanguage-link-target"><span>Aragonés</span></a></li><li class="interlanguage-link interwiki-ar badge-Q17437798 badge-goodarticle mw-list-item" title="erthygl dda"><a href="https://ar.wikipedia.org/wiki/%D9%87%D9%86%D8%B1%D9%8A%D8%AA%D8%A7_%D8%B3%D9%88%D8%A7%D9%86_%D9%84%D9%8A%D9%81%D9%8A%D8%AA" title="هنريتا سوان ليفيت - Arabeg" lang="ar" hreflang="ar" data-title="هنريتا سوان ليفيت" data-language-autonym="العربية" data-language-local-name="Arabeg" class="interlanguage-link-target"><span>العربية</span></a></li><li class="interlanguage-link interwiki-arz mw-list-item"><a href="https://arz.wikipedia.org/wiki/%D9%87%D9%86%D8%B1%D9%8A%D8%AA%D8%A7_%D8%B3%D9%88%D8%A7%D9%86_%D9%84%D9%8A%D9%81%D9%8A%D8%AA" title="هنريتا سوان ليفيت - Arabeg yr Aifft" lang="arz" hreflang="arz" data-title="هنريتا سوان ليفيت" data-language-autonym="مصرى" data-language-local-name="Arabeg yr Aifft" class="interlanguage-link-target"><span>مصرى</span></a></li><li class="interlanguage-link interwiki-ast mw-list-item"><a href="https://ast.wikipedia.org/wiki/Henrietta_Swan_Leavitt" title="Henrietta Swan Leavitt - Astwrianeg" lang="ast" hreflang="ast" data-title="Henrietta Swan Leavitt" data-language-autonym="Asturianu" data-language-local-name="Astwrianeg" class="interlanguage-link-target"><span>Asturianu</span></a></li><li class="interlanguage-link interwiki-azb mw-list-item"><a href="https://azb.wikipedia.org/wiki/%D9%87%D9%86%D8%B1%DB%8C%D8%AA%D8%A7_%D8%B3%D9%88%D8%A7%D9%86_%D9%84%DB%8C%D9%88%DB%8C%D8%AA" title="هنریتا سوان لیویت - South Azerbaijani" lang="azb" hreflang="azb" data-title="هنریتا سوان لیویت" data-language-autonym="تۆرکجه" data-language-local-name="South Azerbaijani" class="interlanguage-link-target"><span>تۆرکجه</span></a></li><li class="interlanguage-link interwiki-bg mw-list-item"><a href="https://bg.wikipedia.org/wiki/%D0%A5%D0%B5%D0%BD%D1%80%D0%B8%D0%B5%D1%82%D0%B0_%D0%A1%D1%83%D0%BE%D0%BD_%D0%9B%D0%B8%D0%B2%D0%B8%D1%82" title="Хенриета Суон Ливит - Bwlgareg" lang="bg" hreflang="bg" data-title="Хенриета Суон Ливит" data-language-autonym="Български" data-language-local-name="Bwlgareg" 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%B9%E0%A7%87%E0%A6%A8%E0%A6%B0%E0%A6%BF%E0%A6%AF%E0%A6%BC%E0%A7%87%E0%A6%9F%E0%A6%BE_%E0%A6%B2%E0%A7%87%E0%A6%AD%E0%A6%BF%E0%A6%9F" title="হেনরিয়েটা লেভিট - Bengaleg" lang="bn" hreflang="bn" data-title="হেনরিয়েটা লেভিট" data-language-autonym="বাংলা" data-language-local-name="Bengaleg" 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/Henrietta_Swann_Leavitt" title="Henrietta Swann Leavitt - Bosnieg" lang="bs" hreflang="bs" data-title="Henrietta Swann Leavitt" data-language-autonym="Bosanski" data-language-local-name="Bosnieg" 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/Henrietta_Swan_Leavitt" title="Henrietta Swan Leavitt - Catalaneg" lang="ca" hreflang="ca" data-title="Henrietta Swan Leavitt" data-language-autonym="Català" data-language-local-name="Catalaneg" 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/Henrietta_Swan_Leavittov%C3%A1" title="Henrietta Swan Leavittová - Tsieceg" lang="cs" hreflang="cs" data-title="Henrietta Swan Leavittová" data-language-autonym="Čeština" data-language-local-name="Tsieceg" class="interlanguage-link-target"><span>Čeština</span></a></li><li class="interlanguage-link interwiki-da mw-list-item"><a href="https://da.wikipedia.org/wiki/Henrietta_Swan_Leavitt" title="Henrietta Swan Leavitt - Daneg" lang="da" hreflang="da" data-title="Henrietta Swan Leavitt" data-language-autonym="Dansk" data-language-local-name="Daneg" 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/Henrietta_Swan_Leavitt" title="Henrietta Swan Leavitt - Almaeneg" lang="de" hreflang="de" data-title="Henrietta Swan Leavitt" data-language-autonym="Deutsch" data-language-local-name="Almaeneg" 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%95%CE%BD%CF%81%CE%B9%CE%AD%CF%84%CF%84%CE%B1_%CE%A3._%CE%9B%CE%AF%CE%B2%CE%B9%CF%84" title="Ενριέττα Σ. Λίβιτ - Groeg" lang="el" hreflang="el" data-title="Ενριέττα Σ. Λίβιτ" data-language-autonym="Ελληνικά" data-language-local-name="Groeg" class="interlanguage-link-target"><span>Ελληνικά</span></a></li><li class="interlanguage-link interwiki-en badge-Q17437798 badge-goodarticle mw-list-item" title="erthygl dda"><a href="https://en.wikipedia.org/wiki/Henrietta_Swan_Leavitt" title="Henrietta Swan Leavitt - Saesneg" lang="en" hreflang="en" data-title="Henrietta Swan Leavitt" data-language-autonym="English" data-language-local-name="Saesneg" 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/Henrietta_Swan_Leavitt" title="Henrietta Swan Leavitt - Esperanto" lang="eo" hreflang="eo" data-title="Henrietta Swan Leavitt" data-language-autonym="Esperanto" data-language-local-name="Esperanto" class="interlanguage-link-target"><span>Esperanto</span></a></li><li class="interlanguage-link interwiki-es mw-list-item"><a href="https://es.wikipedia.org/wiki/Henrietta_Swan_Leavitt" title="Henrietta Swan Leavitt - Sbaeneg" lang="es" hreflang="es" data-title="Henrietta Swan Leavitt" data-language-autonym="Español" data-language-local-name="Sbaeneg" class="interlanguage-link-target"><span>Español</span></a></li><li class="interlanguage-link interwiki-eu mw-list-item"><a href="https://eu.wikipedia.org/wiki/Henrietta_Swan_Leavitt" title="Henrietta Swan Leavitt - Basgeg" lang="eu" hreflang="eu" data-title="Henrietta Swan Leavitt" data-language-autonym="Euskara" data-language-local-name="Basgeg" 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/%D9%87%D9%86%D8%B1%DB%8C%D8%AA%D8%A7_%D8%B3%D9%88%D8%A7%D9%86_%D9%84%DB%8C%D9%88%DB%8C%D8%AA" title="هنریتا سوان لیویت - Perseg" lang="fa" hreflang="fa" data-title="هنریتا سوان لیویت" data-language-autonym="فارسی" data-language-local-name="Perseg" 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/Henrietta_Swan_Leavitt" title="Henrietta Swan Leavitt - Ffinneg" lang="fi" hreflang="fi" data-title="Henrietta Swan Leavitt" data-language-autonym="Suomi" data-language-local-name="Ffinneg" 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/Henrietta_Swan_Leavitt" title="Henrietta Swan Leavitt - Ffrangeg" lang="fr" hreflang="fr" data-title="Henrietta Swan Leavitt" data-language-autonym="Français" data-language-local-name="Ffrangeg" 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/Henrietta_Swan_Leavitt" title="Henrietta Swan Leavitt - Gwyddeleg" lang="ga" hreflang="ga" data-title="Henrietta Swan Leavitt" data-language-autonym="Gaeilge" data-language-local-name="Gwyddeleg" 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/Henrietta_Swan_Leavitt" title="Henrietta Swan Leavitt - Galisieg" lang="gl" hreflang="gl" data-title="Henrietta Swan Leavitt" data-language-autonym="Galego" data-language-local-name="Galisieg" 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%94%D7%A0%D7%A8%D7%99%D7%99%D7%98%D7%94_%D7%9C%D7%99%D7%95%D7%95%D7%99%D7%98" title="הנרייטה ליוויט - Hebraeg" lang="he" hreflang="he" data-title="הנרייטה ליוויט" data-language-autonym="עברית" data-language-local-name="Hebraeg" class="interlanguage-link-target"><span>עברית</span></a></li><li class="interlanguage-link interwiki-hr mw-list-item"><a href="https://hr.wikipedia.org/wiki/Henrietta_Leavitt" title="Henrietta Leavitt - Croateg" lang="hr" hreflang="hr" data-title="Henrietta Leavitt" data-language-autonym="Hrvatski" data-language-local-name="Croateg" 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/Henrietta_Swan_Leavitt" title="Henrietta Swan Leavitt - Hwngareg" lang="hu" hreflang="hu" data-title="Henrietta Swan Leavitt" data-language-autonym="Magyar" data-language-local-name="Hwngareg" class="interlanguage-link-target"><span>Magyar</span></a></li><li class="interlanguage-link interwiki-id mw-list-item"><a href="https://id.wikipedia.org/wiki/Henrietta_Swan_Leavitt" title="Henrietta Swan Leavitt - Indoneseg" lang="id" hreflang="id" data-title="Henrietta Swan Leavitt" data-language-autonym="Bahasa Indonesia" data-language-local-name="Indoneseg" 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/Henrietta_Swan_Leavitt" title="Henrietta Swan Leavitt - Islandeg" lang="is" hreflang="is" data-title="Henrietta Swan Leavitt" data-language-autonym="Íslenska" data-language-local-name="Islandeg" 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/Henrietta_Swan_Leavitt" title="Henrietta Swan Leavitt - Eidaleg" lang="it" hreflang="it" data-title="Henrietta Swan Leavitt" data-language-autonym="Italiano" data-language-local-name="Eidaleg" 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%83%98%E3%83%B3%E3%83%AA%E3%82%A8%E3%83%83%E3%82%BF%E3%83%BB%E3%82%B9%E3%83%AF%E3%83%B3%E3%83%BB%E3%83%AA%E3%83%BC%E3%83%93%E3%83%83%E3%83%88" title="ヘンリエッタ・スワン・リービット - Japaneeg" lang="ja" hreflang="ja" data-title="ヘンリエッタ・スワン・リービット" data-language-autonym="日本語" data-language-local-name="Japaneeg" class="interlanguage-link-target"><span>日本語</span></a></li><li class="interlanguage-link interwiki-ka mw-list-item"><a href="https://ka.wikipedia.org/wiki/%E1%83%B0%E1%83%94%E1%83%9C%E1%83%A0%E1%83%98%E1%83%94%E1%83%A2%E1%83%90_%E1%83%A1%E1%83%A3%E1%83%9D%E1%83%9C_%E1%83%9A%E1%83%98%E1%83%95%E1%83%98%E1%83%A2%E1%83%98" title="ჰენრიეტა სუონ ლივიტი - Georgeg" lang="ka" hreflang="ka" data-title="ჰენრიეტა სუონ ლივიტი" data-language-autonym="ქართული" data-language-local-name="Georgeg" class="interlanguage-link-target"><span>ქართული</span></a></li><li class="interlanguage-link interwiki-kk mw-list-item"><a href="https://kk.wikipedia.org/wiki/%D0%93%D0%B5%D0%BD%D1%80%D0%B8%D0%B5%D1%82%D1%82%D0%B0_%D0%A1%D1%83%D0%BE%D0%BD_%D0%9B%D0%B8%D0%B2%D0%B8%D1%82%D1%82" title="Генриетта Суон Ливитт - Casacheg" lang="kk" hreflang="kk" data-title="Генриетта Суон Ливитт" data-language-autonym="Қазақша" data-language-local-name="Casacheg" class="interlanguage-link-target"><span>Қазақша</span></a></li><li class="interlanguage-link interwiki-ko badge-Q17437798 badge-goodarticle mw-list-item" title="erthygl dda"><a href="https://ko.wikipedia.org/wiki/%ED%97%A8%EB%A6%AC%EC%97%90%ED%83%80_%EC%8A%A4%EC%99%84_%EB%A0%88%EB%B9%97" title="헨리에타 스완 레빗 - Coreeg" lang="ko" hreflang="ko" data-title="헨리에타 스완 레빗" data-language-autonym="한국어" data-language-local-name="Coreeg" 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/Henrietta_Swan_Leavitt" title="Henrietta Swan Leavitt - Lwcsembwrgeg" lang="lb" hreflang="lb" data-title="Henrietta Swan Leavitt" data-language-autonym="Lëtzebuergesch" data-language-local-name="Lwcsembwrgeg" class="interlanguage-link-target"><span>Lëtzebuergesch</span></a></li><li class="interlanguage-link interwiki-ml mw-list-item"><a href="https://ml.wikipedia.org/wiki/%E0%B4%B9%E0%B5%86%E0%B5%BB%E0%B4%B1%E0%B5%80%E0%B4%B1%E0%B5%8D%E0%B4%B1_%E0%B4%B8%E0%B5%8D%E0%B4%B5%E0%B4%BE%E0%B5%BB_%E0%B4%B2%E0%B5%80%E0%B4%B5%E0%B4%BF%E0%B4%B1%E0%B5%8D%E0%B4%B1%E0%B5%8D" title="ഹെൻറീറ്റ സ്വാൻ ലീവിറ്റ് - Malayalam" lang="ml" hreflang="ml" data-title="ഹെൻറീറ്റ സ്വാൻ ലീവിറ്റ്" data-language-autonym="മലയാളം" data-language-local-name="Malayalam" class="interlanguage-link-target"><span>മലയാളം</span></a></li><li class="interlanguage-link interwiki-ms mw-list-item"><a href="https://ms.wikipedia.org/wiki/Henrietta_Swan_Leavitt" title="Henrietta Swan Leavitt - Maleieg" lang="ms" hreflang="ms" data-title="Henrietta Swan Leavitt" data-language-autonym="Bahasa Melayu" data-language-local-name="Maleieg" class="interlanguage-link-target"><span>Bahasa Melayu</span></a></li><li class="interlanguage-link interwiki-nds mw-list-item"><a href="https://nds.wikipedia.org/wiki/Henrietta_Swan_Leavitt" title="Henrietta Swan Leavitt - Almaeneg Isel" lang="nds" hreflang="nds" data-title="Henrietta Swan Leavitt" data-language-autonym="Plattdüütsch" data-language-local-name="Almaeneg Isel" 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/Henrietta_Leavitt" title="Henrietta Leavitt - Iseldireg" lang="nl" hreflang="nl" data-title="Henrietta Leavitt" data-language-autonym="Nederlands" data-language-local-name="Iseldireg" 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/Henrietta_Swan_Leavitt" title="Henrietta Swan Leavitt - Norwyeg Nynorsk" lang="nn" hreflang="nn" data-title="Henrietta Swan Leavitt" data-language-autonym="Norsk nynorsk" data-language-local-name="Norwyeg Nynorsk" 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/Henrietta_Swan_Leavitt" title="Henrietta Swan Leavitt - Norwyeg Bokmål" lang="nb" hreflang="nb" data-title="Henrietta Swan Leavitt" data-language-autonym="Norsk bokmål" data-language-local-name="Norwyeg Bokmål" class="interlanguage-link-target"><span>Norsk bokmål</span></a></li><li class="interlanguage-link interwiki-pl mw-list-item"><a href="https://pl.wikipedia.org/wiki/Henrietta_Leavitt" title="Henrietta Leavitt - Pwyleg" lang="pl" hreflang="pl" data-title="Henrietta Leavitt" data-language-autonym="Polski" data-language-local-name="Pwyleg" class="interlanguage-link-target"><span>Polski</span></a></li><li class="interlanguage-link interwiki-pt mw-list-item"><a href="https://pt.wikipedia.org/wiki/Henrietta_Swan_Leavitt" title="Henrietta Swan Leavitt - Portiwgaleg" lang="pt" hreflang="pt" data-title="Henrietta Swan Leavitt" data-language-autonym="Português" data-language-local-name="Portiwgaleg" 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/Henrietta_Swan_Leavitt" title="Henrietta Swan Leavitt - Rwmaneg" lang="ro" hreflang="ro" data-title="Henrietta Swan Leavitt" data-language-autonym="Română" data-language-local-name="Rwmaneg" 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%9B%D0%B8%D0%B2%D0%B8%D1%82%D1%82,_%D0%93%D0%B5%D0%BD%D1%80%D0%B8%D0%B5%D1%82%D1%82%D0%B0_%D0%A1%D1%83%D0%BE%D0%BD" title="Ливитт, Генриетта Суон - Rwseg" lang="ru" hreflang="ru" data-title="Ливитт, Генриетта Суон" data-language-autonym="Русский" data-language-local-name="Rwseg" class="interlanguage-link-target"><span>Русский</span></a></li><li class="interlanguage-link interwiki-simple mw-list-item"><a href="https://simple.wikipedia.org/wiki/Henrietta_Swan_Leavitt" title="Henrietta Swan Leavitt - Simple English" lang="en-simple" hreflang="en-simple" data-title="Henrietta Swan Leavitt" 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/Henrietta_Swanov%C3%A1_Leavittov%C3%A1" title="Henrietta Swanová Leavittová - Slofaceg" lang="sk" hreflang="sk" data-title="Henrietta Swanová Leavittová" data-language-autonym="Slovenčina" data-language-local-name="Slofaceg" 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/Henrietta_Swan_Leavitt" title="Henrietta Swan Leavitt - Slofeneg" lang="sl" hreflang="sl" data-title="Henrietta Swan Leavitt" data-language-autonym="Slovenščina" data-language-local-name="Slofeneg" 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%A5%D0%B5%D0%BD%D1%80%D0%B8%D1%98%D0%B5%D1%82%D0%B0_%D0%9B%D0%B5%D0%B2%D0%B8%D1%82" title="Хенријета Левит - Serbeg" lang="sr" hreflang="sr" data-title="Хенријета Левит" data-language-autonym="Српски / srpski" data-language-local-name="Serbeg" 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/Henrietta_Swan_Leavitt" title="Henrietta Swan Leavitt - Swedeg" lang="sv" hreflang="sv" data-title="Henrietta Swan Leavitt" data-language-autonym="Svenska" data-language-local-name="Swedeg" 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/Henrietta_Swan_Leavitt" title="Henrietta Swan Leavitt - Swahili" lang="sw" hreflang="sw" data-title="Henrietta Swan Leavitt" data-language-autonym="Kiswahili" data-language-local-name="Swahili" class="interlanguage-link-target"><span>Kiswahili</span></a></li><li class="interlanguage-link interwiki-ta mw-list-item"><a href="https://ta.wikipedia.org/wiki/%E0%AE%B9%E0%AF%86%E0%AE%A9%E0%AF%8D%E0%AE%B0%E0%AE%BF%E0%AE%AF%E0%AF%87%E0%AE%9F%E0%AF%8D%E0%AE%9F%E0%AE%BE_%E0%AE%B2%E0%AF%80%E0%AE%B5%E0%AE%BF%E0%AE%9F%E0%AF%8D" title="ஹென்ரியேட்டா லீவிட் - Tamileg" lang="ta" hreflang="ta" data-title="ஹென்ரியேட்டா லீவிட்" data-language-autonym="தமிழ்" data-language-local-name="Tamileg" class="interlanguage-link-target"><span>தமிழ்</span></a></li><li class="interlanguage-link interwiki-tr mw-list-item"><a href="https://tr.wikipedia.org/wiki/Henrietta_Swan_Leavitt" title="Henrietta Swan Leavitt - Tyrceg" lang="tr" hreflang="tr" data-title="Henrietta Swan Leavitt" data-language-autonym="Türkçe" data-language-local-name="Tyrceg" class="interlanguage-link-target"><span>Türkçe</span></a></li><li class="interlanguage-link interwiki-uk mw-list-item"><a href="https://uk.wikipedia.org/wiki/%D0%93%D0%B5%D0%BD%D1%80%D1%96%D1%94%D1%82%D1%82%D0%B0_%D0%A1%D0%B2%D0%BE%D0%BD_%D0%9B%D1%96%D0%B2%D1%96%D1%82%D1%82" title="Генрієтта Свон Лівітт - Wcreineg" lang="uk" hreflang="uk" data-title="Генрієтта Свон Лівітт" data-language-autonym="Українська" data-language-local-name="Wcreineg" 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/Henrietta_Swan_Leavitt" title="Henrietta Swan Leavitt - Fietnameg" lang="vi" hreflang="vi" data-title="Henrietta Swan Leavitt" data-language-autonym="Tiếng Việt" data-language-local-name="Fietnameg" class="interlanguage-link-target"><span>Tiếng Việt</span></a></li><li class="interlanguage-link interwiki-xmf mw-list-item"><a href="https://xmf.wikipedia.org/wiki/%E1%83%B0%E1%83%94%E1%83%9C%E1%83%A0%E1%83%98%E1%83%94%E1%83%A2%E1%83%90_%E1%83%A1%E1%83%95%E1%83%9D%E1%83%9C_%E1%83%9A%E1%83%98%E1%83%95%E1%83%98%E1%83%A2%E1%83%98" title="ჰენრიეტა სვონ ლივიტი - Mingrelian" lang="xmf" hreflang="xmf" data-title="ჰენრიეტა სვონ ლივიტი" data-language-autonym="მარგალური" data-language-local-name="Mingrelian" class="interlanguage-link-target"><span>მარგალური</span></a></li><li class="interlanguage-link interwiki-zh badge-Q17437798 badge-goodarticle mw-list-item" title="erthygl dda"><a href="https://zh.wikipedia.org/wiki/%E4%BA%A8%E4%B8%BD%E7%88%B1%E5%A1%94%C2%B7%E6%96%AF%E4%B8%87%C2%B7%E5%8B%92%E7%BB%B4%E7%89%B9" title="亨丽爱塔·斯万·勒维特 - Tsieinëeg" lang="zh" hreflang="zh" data-title="亨丽爱塔·斯万·勒维特" data-language-autonym="中文" data-language-local-name="Tsieinëeg" class="interlanguage-link-target"><span>中文</span></a></li> </ul> <div class="after-portlet after-portlet-lang"><span class="wb-langlinks-edit wb-langlinks-link"><a href="https://www.wikidata.org/wiki/Special:EntityPage/Q110181#sitelinks-wikipedia" title="Golygu dolenni rhyngwici" class="wbc-editpage">Golygu dolenni</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="Parthau"> <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/Henrietta_Swan_Leavitt" title="Gweld y dudalen bwnc [c]" accesskey="c"><span>Erthygl</span></a></li><li id="ca-talk" class="new vector-tab-noicon mw-list-item"><a href="/w/index.php?title=Sgwrs:Henrietta_Swan_Leavitt&action=edit&redlink=1" rel="discussion" class="new" title="Sgwrsio am y dudalen (dim tudalen ar gael) [t]" accesskey="t"><span>Sgwrs</span></a></li> </ul> </div> </div> <div id="vector-variants-dropdown" class="vector-dropdown emptyPortlet" > <input type="checkbox" id="vector-variants-dropdown-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-variants-dropdown" class="vector-dropdown-checkbox " aria-label="Newid amrywiad iaith" > <label id="vector-variants-dropdown-label" for="vector-variants-dropdown-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet" aria-hidden="true" ><span class="vector-dropdown-label-text">Cymraeg</span> </label> <div class="vector-dropdown-content"> <div id="p-variants" class="vector-menu mw-portlet mw-portlet-variants emptyPortlet" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> </ul> </div> </div> </div> </div> </nav> </div> <div id="right-navigation" class="vector-collapsible"> <nav aria-label="Golygon"> <div id="p-views" class="vector-menu vector-menu-tabs mw-portlet mw-portlet-views" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="ca-view" class="selected vector-tab-noicon mw-list-item"><a href="/wiki/Henrietta_Swan_Leavitt"><span>Darllen</span></a></li><li id="ca-ve-edit" class="vector-tab-noicon mw-list-item"><a href="/w/index.php?title=Henrietta_Swan_Leavitt&veaction=edit" title="Golygu'r dudalen hon [v]" accesskey="v"><span>Golygu</span></a></li><li id="ca-edit" class="collapsible vector-tab-noicon mw-list-item"><a href="/w/index.php?title=Henrietta_Swan_Leavitt&action=edit" title="Golygu cod ffynhonnell y dudalen hon [e]" accesskey="e"><span>Golygu cod</span></a></li><li id="ca-history" class="vector-tab-noicon mw-list-item"><a href="/w/index.php?title=Henrietta_Swan_Leavitt&action=history" title="Fersiynau cynt o'r dudalen hon. [h]" accesskey="h"><span>Gweld hanes</span></a></li> </ul> </div> </div> </nav> <nav class="vector-page-tools-landmark" aria-label="Offer tudalen"> <div id="vector-page-tools-dropdown" class="vector-dropdown vector-page-tools-dropdown" > <input type="checkbox" id="vector-page-tools-dropdown-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-page-tools-dropdown" class="vector-dropdown-checkbox " aria-label="Blwch offer" > <label id="vector-page-tools-dropdown-label" for="vector-page-tools-dropdown-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet" aria-hidden="true" ><span class="vector-dropdown-label-text">Blwch offer</span> </label> <div class="vector-dropdown-content"> <div id="vector-page-tools-unpinned-container" class="vector-unpinned-container"> <div id="vector-page-tools" class="vector-page-tools vector-pinnable-element"> <div class="vector-pinnable-header vector-page-tools-pinnable-header vector-pinnable-header-unpinned" data-feature-name="page-tools-pinned" data-pinnable-element-id="vector-page-tools" data-pinned-container-id="vector-page-tools-pinned-container" data-unpinned-container-id="vector-page-tools-unpinned-container" > <div class="vector-pinnable-header-label">Blwch offer</div> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-page-tools.pin">symud i'r bar ochr</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-page-tools.unpin">cuddio</button> </div> <div id="p-cactions" class="vector-menu mw-portlet mw-portlet-cactions emptyPortlet vector-has-collapsible-items" title="Rhagor o opsiynau" > <div class="vector-menu-heading"> Gweithredoedd </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="ca-more-view" class="selected vector-more-collapsible-item mw-list-item"><a href="/wiki/Henrietta_Swan_Leavitt"><span>Darllen</span></a></li><li id="ca-more-ve-edit" class="vector-more-collapsible-item mw-list-item"><a href="/w/index.php?title=Henrietta_Swan_Leavitt&veaction=edit" title="Golygu'r dudalen hon [v]" accesskey="v"><span>Golygu</span></a></li><li id="ca-more-edit" class="collapsible vector-more-collapsible-item mw-list-item"><a href="/w/index.php?title=Henrietta_Swan_Leavitt&action=edit" title="Golygu cod ffynhonnell y dudalen hon [e]" accesskey="e"><span>Golygu cod</span></a></li><li id="ca-more-history" class="vector-more-collapsible-item mw-list-item"><a href="/w/index.php?title=Henrietta_Swan_Leavitt&action=history"><span>Gweld hanes</span></a></li> </ul> </div> </div> <div id="p-tb" class="vector-menu mw-portlet mw-portlet-tb" > <div class="vector-menu-heading"> Cyffredinol </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="t-whatlinkshere" class="mw-list-item"><a href="/wiki/Arbennig:WhatLinksHere/Henrietta_Swan_Leavitt" title="Rhestr o bob tudalen sy'n cysylltu â hon [j]" accesskey="j"><span>Beth sy'n cysylltu yma</span></a></li><li id="t-recentchangeslinked" class="mw-list-item"><a href="/wiki/Arbennig:RecentChangesLinked/Henrietta_Swan_Leavitt" rel="nofollow" title="Newidiadau diweddar i dudalennau sydd yn cysylltu â hon [k]" accesskey="k"><span>Newidiadau perthnasol</span></a></li><li id="t-specialpages" class="mw-list-item"><a href="/wiki/Arbennig:SpecialPages" title="Rhestr o'r holl dudalennau arbennig [q]" accesskey="q"><span>Tudalennau arbennig</span></a></li><li id="t-permalink" class="mw-list-item"><a href="/w/index.php?title=Henrietta_Swan_Leavitt&oldid=9888204" title="Dolen barhaol i'r fersiwn hwn y dudalen hon"><span>Dolen barhaol</span></a></li><li id="t-info" class="mw-list-item"><a href="/w/index.php?title=Henrietta_Swan_Leavitt&action=info" title="Mwy o wybodaeth am y dudalen hon"><span>Gwybodaeth am y dudalen</span></a></li><li id="t-cite" class="mw-list-item"><a href="/w/index.php?title=Arbennig:CiteThisPage&page=Henrietta_Swan_Leavitt&id=9888204&wpFormIdentifier=titleform" title="Gwybodaeth ar sut i gyfeirio at y dudalen hon"><span>Cyfeirio at y dudalen hon</span></a></li><li id="t-urlshortener" class="mw-list-item"><a href="/w/index.php?title=Arbennig:UrlShortener&url=https%3A%2F%2Fcy.wikipedia.org%2Fwiki%2FHenrietta_Swan_Leavitt"><span>Cael URL byr</span></a></li><li id="t-urlshortener-qrcode" class="mw-list-item"><a href="/w/index.php?title=Arbennig:QrCode&url=https%3A%2F%2Fcy.wikipedia.org%2Fwiki%2FHenrietta_Swan_Leavitt"><span>Lawrlwytho cod 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"> Argraffu / allforio </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=Arbennig:Book&bookcmd=book_creator&referer=Henrietta+Swan+Leavitt"><span>Llunio llyfr</span></a></li><li id="coll-download-as-rl" class="mw-list-item"><a href="/w/index.php?title=Arbennig:DownloadAsPdf&page=Henrietta_Swan_Leavitt&action=show-download-screen"><span>Lawrlwytho fel PDF</span></a></li><li id="t-print" class="mw-list-item"><a href="/w/index.php?title=Henrietta_Swan_Leavitt&printable=yes" title="Cynhyrchwch fersiwn o'r dudalen yn barod at ei hargraffu [p]" accesskey="p"><span>Fersiwn argraffu</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"> Mewn prosiectau eraill </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:Henrietta_Swan_Leavitt" hreflang="en"><span>Comin Wikimedia</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/Q110181" title="Cysylltu i eitem ystorfa gysylltiedig [g]" accesskey="g"><span>Eitem Wicidata</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="Offer tudalen"> <div id="vector-page-tools-pinned-container" class="vector-pinned-container"> </div> </nav> <nav class="vector-appearance-landmark" aria-label="Gwedd"> <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">Gwedd</div> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-appearance.pin">symud i'r bar ochr</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-appearance.unpin">cuddio</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">Oddi ar Wicipedia</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="cy" dir="ltr"><table class="infobox biography vcard" style="width:22em"><tbody><tr><th colspan="2" style="text-align:center;font-size:125%;font-weight:bold"><span class="fn">Henrietta Swan Leavitt</span></th></tr><tr><td colspan="2" style="text-align:center"><span class="mw-default-size" typeof="mw:File/Frameless"><a href="/wiki/Delwedd:Henrietta_Swan_Leavitt.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/0/0c/Henrietta_Swan_Leavitt.jpg/220px-Henrietta_Swan_Leavitt.jpg" decoding="async" width="220" height="292" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/0/0c/Henrietta_Swan_Leavitt.jpg/330px-Henrietta_Swan_Leavitt.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/0/0c/Henrietta_Swan_Leavitt.jpg/440px-Henrietta_Swan_Leavitt.jpg 2x" data-file-width="2388" data-file-height="3171" /></a></span></td></tr><tr><th scope="row">Ganwyd</th><td>4 Gorffennaf 1868 <span class="penicon autoconfirmed-show"><span class="mw-valign-text-top" typeof="mw:File/Frameless"><a href="https://www.wikidata.org/wiki/Q110181?uselang=cy#P569" title="Edit this on Wikidata"><img alt="Edit this on Wikidata" src="//upload.wikimedia.org/wikipedia/commons/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/10px-OOjs_UI_icon_edit-ltr-progressive.svg.png" decoding="async" width="10" height="10" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/15px-OOjs_UI_icon_edit-ltr-progressive.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/20px-OOjs_UI_icon_edit-ltr-progressive.svg.png 2x" data-file-width="20" data-file-height="20" /></a></span></span><br /><span class="birthplace"><a href="/wiki/Lancaster,_Massachusetts" title="Lancaster, Massachusetts">Lancaster</a> <span class="penicon autoconfirmed-show"><span class="mw-valign-text-top" typeof="mw:File/Frameless"><a href="https://www.wikidata.org/wiki/Q110181?uselang=cy#P19" title="Edit this on Wikidata"><img alt="Edit this on Wikidata" src="//upload.wikimedia.org/wikipedia/commons/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/10px-OOjs_UI_icon_edit-ltr-progressive.svg.png" decoding="async" width="10" height="10" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/15px-OOjs_UI_icon_edit-ltr-progressive.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/20px-OOjs_UI_icon_edit-ltr-progressive.svg.png 2x" data-file-width="20" data-file-height="20" /></a></span></span></span></td></tr><tr><th scope="row">Bu farw</th><td>12 Rhagfyr 1921 <span class="penicon autoconfirmed-show"><span class="mw-valign-text-top" typeof="mw:File/Frameless"><a href="https://www.wikidata.org/wiki/Q110181?uselang=cy#P570" title="Edit this on Wikidata"><img alt="Edit this on Wikidata" src="//upload.wikimedia.org/wikipedia/commons/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/10px-OOjs_UI_icon_edit-ltr-progressive.svg.png" decoding="async" width="10" height="10" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/15px-OOjs_UI_icon_edit-ltr-progressive.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/20px-OOjs_UI_icon_edit-ltr-progressive.svg.png 2x" data-file-width="20" data-file-height="20" /></a></span></span><br /><span class="deathcause">o <a href="/wiki/Canser" title="Canser">canser</a> <span class="penicon autoconfirmed-show"><span class="mw-valign-text-top" typeof="mw:File/Frameless"><a href="https://www.wikidata.org/wiki/Q110181?uselang=cy#P509" title="Edit this on Wikidata"><img alt="Edit this on Wikidata" src="//upload.wikimedia.org/wikipedia/commons/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/10px-OOjs_UI_icon_edit-ltr-progressive.svg.png" decoding="async" width="10" height="10" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/15px-OOjs_UI_icon_edit-ltr-progressive.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/20px-OOjs_UI_icon_edit-ltr-progressive.svg.png 2x" data-file-width="20" data-file-height="20" /></a></span></span></span><br /><span class="deathplace"><a href="/wiki/Cambridge,_Massachusetts" title="Cambridge, Massachusetts">Cambridge</a> <span class="penicon autoconfirmed-show"><span class="mw-valign-text-top" typeof="mw:File/Frameless"><a href="https://www.wikidata.org/wiki/Q110181?uselang=cy#P20" title="Edit this on Wikidata"><img alt="Edit this on Wikidata" src="//upload.wikimedia.org/wikipedia/commons/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/10px-OOjs_UI_icon_edit-ltr-progressive.svg.png" decoding="async" width="10" height="10" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/15px-OOjs_UI_icon_edit-ltr-progressive.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/20px-OOjs_UI_icon_edit-ltr-progressive.svg.png 2x" data-file-width="20" data-file-height="20" /></a></span></span></span></td></tr><tr><th scope="row">Man preswyl</th><td class="label"><a href="/wiki/Lancaster,_Massachusetts" title="Lancaster, Massachusetts">Lancaster</a> <span class="penicon autoconfirmed-show"><span class="mw-valign-text-top" typeof="mw:File/Frameless"><a href="https://www.wikidata.org/wiki/Q110181?uselang=cy#P551" title="Edit this on Wikidata"><img alt="Edit this on Wikidata" src="//upload.wikimedia.org/wikipedia/commons/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/10px-OOjs_UI_icon_edit-ltr-progressive.svg.png" decoding="async" width="10" height="10" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/15px-OOjs_UI_icon_edit-ltr-progressive.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/20px-OOjs_UI_icon_edit-ltr-progressive.svg.png 2x" data-file-width="20" data-file-height="20" /></a></span></span></td></tr><tr><th scope="row">Dinasyddiaeth</th><td class="category"><a href="/wiki/Unol_Daleithiau_America" title="Unol Daleithiau America">Unol Daleithiau America</a> <span class="penicon autoconfirmed-show"><span class="mw-valign-text-top" typeof="mw:File/Frameless"><a href="https://www.wikidata.org/wiki/Q110181?uselang=cy#P27" title="Edit this on Wikidata"><img alt="Edit this on Wikidata" src="//upload.wikimedia.org/wikipedia/commons/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/10px-OOjs_UI_icon_edit-ltr-progressive.svg.png" decoding="async" width="10" height="10" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/15px-OOjs_UI_icon_edit-ltr-progressive.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/20px-OOjs_UI_icon_edit-ltr-progressive.svg.png 2x" data-file-width="20" data-file-height="20" /></a></span></span></td></tr><tr><th scope="row"><i>Alma mater</i></th><td><div class="plainlist"><ul style=""><li style="">Coleg Radcliffe</li><li style=""><a href="/wiki/Prifysgol_Harvard" title="Prifysgol Harvard">Prifysgol Harvard</a></li><li style="">Coleg Oberlin <span class="penicon autoconfirmed-show"><span class="mw-valign-text-top" typeof="mw:File/Frameless"><a href="https://www.wikidata.org/wiki/Q110181?uselang=cy#P69" title="Edit this on Wikidata"><img alt="Edit this on Wikidata" src="//upload.wikimedia.org/wikipedia/commons/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/10px-OOjs_UI_icon_edit-ltr-progressive.svg.png" decoding="async" width="10" height="10" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/15px-OOjs_UI_icon_edit-ltr-progressive.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/20px-OOjs_UI_icon_edit-ltr-progressive.svg.png 2x" data-file-width="20" data-file-height="20" /></a></span></span></li></ul></div></td></tr><tr><th scope="row">Galwedigaeth</th><td>seryddwr <span class="penicon autoconfirmed-show"><span class="mw-valign-text-top" typeof="mw:File/Frameless"><a href="https://www.wikidata.org/wiki/Q110181?uselang=cy#P106" title="Edit this on Wikidata"><img alt="Edit this on Wikidata" src="//upload.wikimedia.org/wikipedia/commons/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/10px-OOjs_UI_icon_edit-ltr-progressive.svg.png" decoding="async" width="10" height="10" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/15px-OOjs_UI_icon_edit-ltr-progressive.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/20px-OOjs_UI_icon_edit-ltr-progressive.svg.png 2x" data-file-width="20" data-file-height="20" /></a></span></span></td></tr><tr><th scope="row">Cyflogwr</th><td class="org"><div class="plainlist"><ul style=""><li style="">Arsyllfa Coleg Havard</li><li style=""><a href="/wiki/Prifysgol_Harvard" title="Prifysgol Harvard">Prifysgol Harvard</a> <span class="penicon autoconfirmed-show"><span class="mw-valign-text-top" typeof="mw:File/Frameless"><a href="https://www.wikidata.org/wiki/Q110181?uselang=cy#P108" title="Edit this on Wikidata"><img alt="Edit this on Wikidata" src="//upload.wikimedia.org/wikipedia/commons/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/10px-OOjs_UI_icon_edit-ltr-progressive.svg.png" decoding="async" width="10" height="10" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/15px-OOjs_UI_icon_edit-ltr-progressive.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/20px-OOjs_UI_icon_edit-ltr-progressive.svg.png 2x" data-file-width="20" data-file-height="20" /></a></span></span></li></ul></div></td></tr><tr><th scope="row">Adnabyddus am</th><td>standard candle <span class="penicon autoconfirmed-show"><span class="mw-valign-text-top" typeof="mw:File/Frameless"><a href="https://www.wikidata.org/wiki/Q110181?uselang=cy#P800" title="Edit this on Wikidata"><img alt="Edit this on Wikidata" src="//upload.wikimedia.org/wikipedia/commons/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/10px-OOjs_UI_icon_edit-ltr-progressive.svg.png" decoding="async" width="10" height="10" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/15px-OOjs_UI_icon_edit-ltr-progressive.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/20px-OOjs_UI_icon_edit-ltr-progressive.svg.png 2x" data-file-width="20" data-file-height="20" /></a></span></span></td></tr><tr><th scope="row">Tad</th><td>Rev. George Roswell Leavitt <span class="penicon autoconfirmed-show"><span class="mw-valign-text-top" typeof="mw:File/Frameless"><a href="https://www.wikidata.org/wiki/Q110181?uselang=cy#P22" title="Edit this on Wikidata"><img alt="Edit this on Wikidata" src="//upload.wikimedia.org/wikipedia/commons/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/10px-OOjs_UI_icon_edit-ltr-progressive.svg.png" decoding="async" width="10" height="10" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/15px-OOjs_UI_icon_edit-ltr-progressive.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/20px-OOjs_UI_icon_edit-ltr-progressive.svg.png 2x" data-file-width="20" data-file-height="20" /></a></span></span></td></tr><tr><th scope="row">Mam</th><td>Henrietta Swan Kendrick <span class="penicon autoconfirmed-show"><span class="mw-valign-text-top" typeof="mw:File/Frameless"><a href="https://www.wikidata.org/wiki/Q110181?uselang=cy#P25" title="Edit this on Wikidata"><img alt="Edit this on Wikidata" src="//upload.wikimedia.org/wikipedia/commons/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/10px-OOjs_UI_icon_edit-ltr-progressive.svg.png" decoding="async" width="10" height="10" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/15px-OOjs_UI_icon_edit-ltr-progressive.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/20px-OOjs_UI_icon_edit-ltr-progressive.svg.png 2x" data-file-width="20" data-file-height="20" /></a></span></span></td></tr><tr><th scope="row">Perthnasau</th><td>John Leavitt, Erasmus Darwin Leavitt <span class="penicon autoconfirmed-show"><span class="mw-valign-text-top" typeof="mw:File/Frameless"><a href="https://www.wikidata.org/wiki/Q110181?uselang=cy#P1038" title="Edit this on Wikidata"><img alt="Edit this on Wikidata" src="//upload.wikimedia.org/wikipedia/commons/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/10px-OOjs_UI_icon_edit-ltr-progressive.svg.png" decoding="async" width="10" height="10" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/15px-OOjs_UI_icon_edit-ltr-progressive.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/20px-OOjs_UI_icon_edit-ltr-progressive.svg.png 2x" data-file-width="20" data-file-height="20" /></a></span></span></td></tr></tbody></table> <p>Gwyddonydd Americanaidd oedd <b>Henrietta Swan Leavitt</b> (<a href="/wiki/4_Gorffennaf" title="4 Gorffennaf">4 Gorffennaf</a> <a href="/wiki/1868" title="1868">1868</a> – <a href="/wiki/12_Rhagfyr" title="12 Rhagfyr">12 Rhagfyr</a> <a href="/wiki/1921" title="1921">1921</a>), a gaiff ei hadnabod yn bennaf fel seryddwr. </p> <meta property="mw:PageProp/toc" /> <div class="mw-heading mw-heading2"><h2 id="Manylion_personol">Manylion personol</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Henrietta_Swan_Leavitt&veaction=edit&section=1" title="Golygu'r adran: Manylion personol" class="mw-editsection-visualeditor"><span>golygu</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Henrietta_Swan_Leavitt&action=edit&section=1" title="Edit section's source code: Manylion personol"><span>golygu cod</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Ganed Henrietta Swan Leavitt ar <a href="/wiki/4_Gorffennaf" title="4 Gorffennaf">4 Gorffennaf</a> <a href="/wiki/1868" title="1868">1868</a> yn Lancaster ac wedi gadael yr ysgol leol mynychodd Goleg Radcliffe, Prifysgol Harvard a Choleg Oberlin. </p> <div class="mw-heading mw-heading2"><h2 id="Gyrfa">Gyrfa</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Henrietta_Swan_Leavitt&veaction=edit&section=2" title="Golygu'r adran: Gyrfa" class="mw-editsection-visualeditor"><span>golygu</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Henrietta_Swan_Leavitt&action=edit&section=2" title="Edit section's source code: Gyrfa"><span>golygu cod</span></a><span class="mw-editsection-bracket">]</span></span></div> <div class="mw-heading mw-heading3"><h3 id="Aelodaeth_o_sefydliadau_addysgol">Aelodaeth o sefydliadau addysgol</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Henrietta_Swan_Leavitt&veaction=edit&section=3" title="Golygu'r adran: Aelodaeth o sefydliadau addysgol" class="mw-editsection-visualeditor"><span>golygu</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Henrietta_Swan_Leavitt&action=edit&section=3" title="Edit section's source code: Aelodaeth o sefydliadau addysgol"><span>golygu cod</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li>Prifysgol Harvard</li> <li>Arsyllfa Coleg Havard</li></ul> <div class="mw-heading mw-heading3"><h3 id="Aelodaeth_o_grwpiau_a_chymdeithasau">Aelodaeth o grwpiau a chymdeithasau</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Henrietta_Swan_Leavitt&veaction=edit&section=4" title="Golygu'r adran: Aelodaeth o grwpiau a chymdeithasau" class="mw-editsection-visualeditor"><span>golygu</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Henrietta_Swan_Leavitt&action=edit&section=4" title="Edit section's source code: Aelodaeth o grwpiau a chymdeithasau"><span>golygu cod</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li>Cymdeithas Phi Beta Kappa</li> <li>Cyfrifiaduron Harvard</li> <li>Cymdeithas Seryddol Americanaidd</li> <li>Cymdeithas America ar gyfer Dyrchafu Gwyddoniaeth</li> <li>Cymdeithas Seryddwyr America</li></ul> <div class="mw-heading mw-heading2"><h2 id="Gweler_hefyd">Gweler hefyd</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Henrietta_Swan_Leavitt&veaction=edit&section=5" title="Golygu'r adran: Gweler hefyd" class="mw-editsection-visualeditor"><span>golygu</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Henrietta_Swan_Leavitt&action=edit&section=5" title="Edit section's source code: Gweler hefyd"><span>golygu cod</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><a href="/wiki/Bioleg" class="mw-redirect" title="Bioleg">Bioleg</a></li> <li><a href="/wiki/Cemeg" title="Cemeg">Cemeg</a></li> <li><a href="/wiki/Ffiseg" title="Ffiseg">Ffiseg</a></li> <li><a href="/wiki/Mathemateg_bur" title="Mathemateg bur">Mathemateg bur</a></li> <li><a href="/wiki/Ystadegaeth" title="Ystadegaeth">Ystadegaeth</a></li> <li><a href="/wiki/Geometreg" 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