{"id":18673,"date":"2023-12-21T16:46:53","date_gmt":"2023-12-21T16:46:53","guid":{"rendered":"https:\/\/blogs.futura-sciences.com\/feldmann\/?p=18673"},"modified":"2025-01-25T16:28:04","modified_gmt":"2025-01-25T16:28:04","slug":"observatoire-yerkes-au-bonheur-des-dames","status":"publish","type":"post","link":"https:\/\/blogs.futura-sciences.com\/feldmann\/2023\/12\/21\/observatoire-yerkes-au-bonheur-des-dames\/","title":{"rendered":"Observatoire Yerkes : au bonheur des dames"},"content":{"rendered":"<p><strong>Dans les ann\u00e9es 1920, l&#8217;Observatoire Yerkes offrait aux femmes la possibilit\u00e9 de faire de v\u00e9ritables recherches astronomiques.<\/strong><\/p>\n<h5>Un observatoire r\u00e9put\u00e9 :<\/h5>\n<p>L\u2019observatoire Yerkes, qui d\u00e9pend de l&#8217;Universit\u00e9 de Chicago, se trouve dans le Wiscontin, sur la rive du lac L\u00e9man \u00e0 Williams Bay. Il a \u00e9t\u00e9 fond\u00e9\u00a0 en 1897 par l\u2019astronome <a href=\"https:\/\/www.astro.umontreal.ca\/~paulchar\/grps\/histoire\/newsite\/bio\/hale_f.html\" target=\"_blank\" rel=\"noopener\">George Ellery Hale<\/a>. Son financement a \u00e9t\u00e9 assur\u00e9 par le millionnaire Charles Tyson Yerkes qui lui a donn\u00e9 son nom. Cet observatoire est connu pour abriter le plus grand r\u00e9fracteur du monde. Il s&#8217;agit d&#8217;une lunette dot\u00e9e d&#8217;un objectif de 102 centim\u00e8tres taill\u00e9 par l&#8217;opticien Alvan Clark. Cet instrument exceptionnel est log\u00e9 dans une coupole de 27 m\u00e8tres de diam\u00e8tre :<\/p>\n<p><a href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2023\/11\/yerkes3.jpg\" rel=\"lightbox[18673]\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-18676\" src=\"https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2023\/11\/yerkes3-450x270.jpg\" alt=\"\" width=\"450\" height=\"270\" srcset=\"https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2023\/11\/yerkes3-450x270.jpg 450w, https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2023\/11\/yerkes3-1024x614.jpg 1024w, https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2023\/11\/yerkes3-768x460.jpg 768w, https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2023\/11\/yerkes3.jpg 1501w\" sizes=\"auto, (max-width: 450px) 100vw, 450px\" \/><\/a><\/p>\n<p>En 1921, <a href=\"https:\/\/www.futura-sciences.com\/sciences\/personnalites\/physique-albert-einstein-205\/\" target=\"_blank\" rel=\"noopener\">Albert Einstein<\/a> s&#8217;y est rendu au cours d&#8217;un voyage en Am\u00e9rique. La sc\u00e8ne a \u00e9t\u00e9 immortalis\u00e9e par un clich\u00e9 (ci-dessus) devenu c\u00e9l\u00e8bre. Un si\u00e8cle plus tard, Andrea Twiss-Brooks et Rich Kron (<a href=\"https:\/\/news.uchicago.edu\/story\/records-reveal-hidden-history-female-astronomers-yerkes-observatory\" target=\"_blank\" rel=\"noopener\"><em>University of Chicago<\/em><\/a>) se sont pench\u00e9s sur cette image. Qui \u00e9taient donc ces femmes qui entouraient le physicien allemand ?<!--more--><\/p>\n<h5>Riches archives :<\/h5>\n<p>Au d\u00e9but du XXe si\u00e8cle, peu de femmes avaient acc\u00e8s aux observatoires pour y faire de la science. On les cantonnait dans des taches de secr\u00e9tariat ou d&#8217;analyse des plaques photographiques. Pourtant, l&#8217;\u00e9quipe d&#8217;Andrea Twiss-Brooks et de Rich Kron a d\u00e9couvert tout autre chose. Pour cela il leur a fallu \u00e9tudier des archives transf\u00e9r\u00e9es \u00e0 la Biblioth\u00e8que de l&#8217;Universit\u00e9 de Chicago depuis la fermeture de l&#8217;Observatoire. Une masse de publications scientifiques ainsi que 175.000 plaques photographiques dont un certain nombre sign\u00e9es par des femmes :<\/p>\n<p><a href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2023\/11\/yerkes2.jpg\" rel=\"lightbox[18673]\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-18675\" src=\"https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2023\/11\/yerkes2-450x270.jpg\" alt=\"\" width=\"450\" height=\"270\" srcset=\"https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2023\/11\/yerkes2-450x270.jpg 450w, https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2023\/11\/yerkes2-1024x614.jpg 1024w, https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2023\/11\/yerkes2-768x461.jpg 768w, https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2023\/11\/yerkes2.jpg 1500w\" sizes=\"auto, (max-width: 450px) 100vw, 450px\" \/><\/a><\/p>\n<p>Ces recherches ont r\u00e9v\u00e9l\u00e9 que l&#8217;Observatoire Yerkes offrait une chance aux femmes astronomes. Elles pouvaient effectuer des observations, les analyser et publier leurs r\u00e9sultats.<\/p>\n<h5>Des conditions favorables :<\/h5>\n<p>Cet \u00e2ge d&#8217;or correspond \u00e0 la p\u00e9riode (1905-1932) o\u00f9 la direction de l&#8217;Observatoire \u00e9tait assur\u00e9e par <a href=\"https:\/\/www.lib.uchicago.edu\/e\/scrc\/findingaids\/view.php?eadid=ICU.SPCL.FROSTEB\" target=\"_blank\" rel=\"noopener\">Edwin Brant Frost<\/a>. Si l&#8217;Observatoire Yerkes \u00e9tait un lieu particuli\u00e8rement accueillant pour les femmes pendant trois d\u00e9cennies, c&#8217;est gr\u00e2ce \u00e0 lui. Cet astronome am\u00e9ricain, connu pour ses travaux sur les <a href=\"https:\/\/www.futura-sciences.com\/sciences\/definitions\/astronomie-cepheide-6438\/\" target=\"_blank\" rel=\"noopener\">C\u00e9ph\u00e9ides<\/a>, avait une grande largesse d&#8217;esprit pour l&#8217;\u00e9poque. Il soutenait par exemple les revendications des <a href=\"https:\/\/www.nationalgeographic.fr\/histoire\/2019\/08\/suffragettes-pretes-tout-pour-voter\" target=\"_blank\" rel=\"noopener\">suffragettes<\/a>.<\/p>\n<p><a href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2023\/11\/yerkes1.jpg\" rel=\"lightbox[18673]\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-18674\" src=\"https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2023\/11\/yerkes1-450x270.jpg\" alt=\"\" width=\"450\" height=\"270\" srcset=\"https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2023\/11\/yerkes1-450x270.jpg 450w, https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2023\/11\/yerkes1-1024x614.jpg 1024w, https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2023\/11\/yerkes1-768x460.jpg 768w, https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2023\/11\/yerkes1.jpg 1502w\" sizes=\"auto, (max-width: 450px) 100vw, 450px\" \/><\/a><\/p>\n<p>L&#8217;Observatoire avait aussi l&#8217;avantage d&#8217;\u00eatre reli\u00e9 \u00e0 Chicago par le train. \u00c0 l&#8217;\u00e9poque, c&#8217;\u00e9tait un moyen de d\u00e9placement s\u00fbr pour les femmes seules. Il semble qu&#8217;elles aient \u00e9t\u00e9 plus d&#8217;une centaine \u00e0 venir travailler \u00e0 l&#8217;Observatoire pendant cette p\u00e9riode. Certaines r\u00e9alis\u00e8rent des recherches novatrices, comme <a href=\"https:\/\/aas.org\/posts\/news\/2021\/09\/month-astronomical-history-september-2021\" target=\"_blank\" rel=\"noopener\">Harriet McWilliams Parsons<\/a> qui publia en 1918 un m\u00e9moire sur la couleur des \u00e9toiles de <a href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/2023\/03\/31\/lamas-detoiles-des-pleiades-dans-la-poussiere\/\" target=\"_blank\" rel=\"noopener\">l&#8217;amas des Pl\u00e9iades<\/a>.<\/p>\n<p>En 1930, British Path\u00e9 r\u00e9alisa un film pour pr\u00e9senter cette lunette :<\/p>\n<p><iframe loading=\"lazy\" title=\"Largest Star Gazer (1930)\" width=\"474\" height=\"356\" src=\"https:\/\/www.youtube.com\/embed\/AeSoRdmb7IQ?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe><\/p>\n<h5>Vous pourriez aimer :<\/h5>\n<ul>\n<li><a href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/2021\/02\/03\/portrait-caroline-herschel-astronome-de-lombre-a-la-lumiere\/\" target=\"_blank\" rel=\"noopener\">Portrait : Caroline Herschel, astronome de l\u2019ombre \u00e0 la lumi\u00e8re<\/a><\/li>\n<li><a href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/2021\/07\/23\/vera-rubin-lastronome-invisible-qui-nous-a-revele-la-matiere-noire\/\" target=\"_blank\" rel=\"noopener\">Vera Rubin, l\u2019astronome qui a d\u00e9couvert la mati\u00e8re noire<\/a><\/li>\n<li><a href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/2021\/02\/21\/portrait-swati-mohan-responsable-du-guidage-de-perseverance\/\" target=\"_blank\" rel=\"noopener\">Swati Mohan, pilote de sondes interplan\u00e9taires<\/a><\/li>\n<\/ul>\n<p>Suivez l\u2019actualit\u00e9 astronomique et d\u00e9couvrez mes images du ciel en vous abonnant \u00e0 Cielmania sur\u00a0<a href=\"https:\/\/www.facebook.com\/cielmania\/\" target=\"_blank\" rel=\"noopener noreferrer\">Facebook<\/a>.<\/p>\n<!-- AddThis Advanced Settings generic via filter on the_content --><!-- AddThis Share Buttons generic via filter on the_content -->","protected":false},"excerpt":{"rendered":"<p>Dans les ann\u00e9es 1920, l&#8217;Observatoire Yerkes offrait aux femmes la possibilit\u00e9 de faire de v\u00e9ritables recherches astronomiques. Un observatoire r\u00e9put\u00e9 : L\u2019observatoire Yerkes, qui d\u00e9pend de l&#8217;Universit\u00e9 de Chicago, se trouve dans le Wiscontin, sur la rive du lac L\u00e9man \u00e0 Williams Bay. Il a \u00e9t\u00e9 fond\u00e9\u00a0 en 1897 par l\u2019astronome George Ellery Hale. Son &hellip; <a href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/2023\/12\/21\/observatoire-yerkes-au-bonheur-des-dames\/\" class=\"more-link\">Continuer la lecture de <span class=\"screen-reader-text\">Observatoire Yerkes : au bonheur des dames<\/span>  <span class=\"meta-nav\">&rarr;<\/span><\/a><!-- AddThis Advanced Settings generic via filter on get_the_excerpt --><!-- AddThis Share Buttons generic via filter on get_the_excerpt --><\/p>\n","protected":false},"author":8,"featured_media":18675,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_links_to":"","_links_to_target":""},"categories":[87],"tags":[874,3486,3487,2491,3488,1925],"class_list":["post-18673","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-les-hommes-et-le-ciel","tag-albert-einstein","tag-andrea-twiss-brooks","tag-edwin-brant-frost","tag-observatoire-yerkes","tag-rich-kron","tag-universite-de-chicago"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.1 - 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