{"id":6941,"date":"2019-05-27T15:46:47","date_gmt":"2019-05-27T15:46:47","guid":{"rendered":"https:\/\/blogs.futura-sciences.com\/feldmann\/?p=6941"},"modified":"2019-11-01T08:02:22","modified_gmt":"2019-11-01T08:02:22","slug":"file-de-lune-detoiles-dessus-de-cite-interdite","status":"publish","type":"post","link":"https:\/\/blogs.futura-sciences.com\/feldmann\/2019\/05\/27\/file-de-lune-detoiles-dessus-de-cite-interdite\/","title":{"rendered":"Fil\u00e9 de Lune et d&#8217;\u00e9toiles au-dessus de la Cit\u00e9 interdite"},"content":{"rendered":"<p><strong>Sc\u00e8ne irr\u00e9elle au-dessus de la Cit\u00e9 interdite \u00e0 P\u00e9kin o\u00f9 les astres ont laiss\u00e9 leur trace lumineuse au cours d&#8217;une longue pose photographique.<\/strong><\/p>\n<h5>La Cit\u00e9 de la d\u00e9mesure :<\/h5>\n<p>la Cit\u00e9 interdite a \u00e9t\u00e9 construite entre 1406 et 1420 par plus d&#8217;un million d&#8217;ouvriers \u00e0 la demande de Yongle, troisi\u00e8me empereur de la dynastie Ming. C&#8217;est un palais qui s&#8217;\u00e9tend sur un quadrilat\u00e8re de 72 ha au sein de la Cit\u00e9 imp\u00e9riale de P\u00e9kin. La Cit\u00e9 est entour\u00e9e d&#8217;une muraille de 10 m de haut sur 6 m de large, elle-m\u00eame cern\u00e9e d&#8217;une douve large de 52 m. \u00c0 chaque angle du quadrilat\u00e8re se dresse une tour haute de 27 m coiff\u00e9e d&#8217;un triple toit tr\u00e8s original.<\/p>\n<p><a href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2016\/12\/cite_interdite.jpg\" rel=\"lightbox[6941]\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-6942\" src=\"https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2016\/12\/cite_interdite-450x300.jpg\" alt=\"cite_interdite\" width=\"450\" height=\"300\" srcset=\"https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2016\/12\/cite_interdite-450x300.jpg 450w, https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2016\/12\/cite_interdite-768x512.jpg 768w, https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2016\/12\/cite_interdite-1024x683.jpg 1024w, https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2016\/12\/cite_interdite.jpg 1350w\" sizes=\"auto, (max-width: 450px) 100vw, 450px\" \/><\/a><\/p>\n<p>C&#8217;est une de ces tours d&#8217;angle qu&#8217;a choisi le photographe chinois <a href=\"https:\/\/www.flickr.com\/people\/jeffdai\/\" target=\"_blank\" rel=\"noopener noreferrer\">Jeff Dai<\/a>\u00a0pour y r\u00e9aliser une \u00e9tonnante image.<!--more--><\/p>\n<p>L&#8217;astrologie chinoise a fortement influenc\u00e9 la construction de la Cit\u00e9 interdite : son orientation nord-sud symbolise le chemin qui conduit de la Terre vers le ciel. Quant \u00e0 ses quatre tours d&#8217;angle (construites aux quatre points cardinaux), elles correspondent chacune \u00e0 7 constellations sur les 28 \u00e9tablies par les astrologues.<\/p>\n<h5>La Terre tourne, la preuve :<\/h5>\n<p>Le clich\u00e9 a \u00e9t\u00e9 pris le 4 d\u00e9cembre 2016, quelques heures avant que la nuit n&#8217;arrive sur la France et permette d&#8217;observer <a href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/2016\/12\/04\/soiree-contempler-mars-lune-venus-liss\/\" target=\"_blank\" rel=\"noopener noreferrer\">Mars, la Lune, V\u00e9nus et l&#8217;ISS<\/a>. Jeff Dai a d\u00e9cid\u00e9 de photographier en continu le coucher des astres : la <a href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/2016\/12\/01\/clair-de-lune-crepuscule-phare-de-cassis\/\" target=\"_blank\" rel=\"noopener noreferrer\">Lune<\/a> (trace la plus brillante), <a href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/2016\/12\/08\/admirez-planete-venus-ciel-soir\/\" target=\"_blank\" rel=\"noopener noreferrer\">V\u00e9nus <\/a>(un peu moins lumineuse en dessous) ainsi que <a href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/2016\/10\/10\/tres-jeune-cratere-photographie-mars\/\" target=\"_blank\" rel=\"noopener noreferrer\">Mars<\/a> et les \u00e9toiles. C&#8217;est ce qu&#8217;on appelle un <a href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/2016\/11\/07\/file-detoiles-dessus-de-labbaye-sainte-marguerite\/\" target=\"_blank\" rel=\"noopener noreferrer\">fil\u00e9 d&#8217;\u00e9toiles<\/a> : on additionne un maximum d&#8217;images prises les unes apr\u00e8s les autres, la rotation de la Terre sur elle-m\u00eame imprimant sur les astres un mouvement apparent d&#8217;EST en OUEST.<\/p>\n<p>Le fil\u00e9 d&#8217;\u00e9toiles est une des techniques pr\u00e9sent\u00e9es dans cette vid\u00e9o o\u00f9 l&#8217;on aborde les diff\u00e9rents types de photographies que l&#8217;on peut faire sans t\u00e9lescope :<\/p>\n<p><iframe loading=\"lazy\" title=\"Photographier le ciel sans t\u00e9lescope (Jean Baptiste Feldmann)\" width=\"474\" height=\"267\" src=\"https:\/\/www.youtube.com\/embed\/nWL-Kn3UhiU?start=654&#038;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<!-- AddThis Advanced Settings generic via filter on the_content --><!-- AddThis Share Buttons generic via filter on the_content -->","protected":false},"excerpt":{"rendered":"<p>Sc\u00e8ne irr\u00e9elle au-dessus de la Cit\u00e9 interdite \u00e0 P\u00e9kin o\u00f9 les astres ont laiss\u00e9 leur trace lumineuse au cours d&#8217;une longue pose photographique. La Cit\u00e9 de la d\u00e9mesure : la Cit\u00e9 interdite a \u00e9t\u00e9 construite entre 1406 et 1420 par plus d&#8217;un million d&#8217;ouvriers \u00e0 la demande de Yongle, troisi\u00e8me empereur de la dynastie Ming. &hellip; <a href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/2019\/05\/27\/file-de-lune-detoiles-dessus-de-cite-interdite\/\" class=\"more-link\">Continuer la lecture de <span class=\"screen-reader-text\">Fil\u00e9 de Lune et d&#8217;\u00e9toiles au-dessus de la Cit\u00e9 interdite<\/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":6942,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_links_to":"","_links_to_target":""},"categories":[87],"tags":[1967,1965,1966,1915,1955,2632,1968,1969],"class_list":["post-6941","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-les-hommes-et-le-ciel","tag-cite-imperiale","tag-cite-interdite","tag-dynastie-ming","tag-file-detoiles","tag-jeff-dai","tag-on-the-moon","tag-pekin","tag-yongle"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.1 - 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