{"id":116,"date":"2022-06-20T17:55:08","date_gmt":"2022-06-20T15:55:08","guid":{"rendered":"https:\/\/jacquescartier2034.org\/?p=116"},"modified":"2022-09-23T22:19:41","modified_gmt":"2022-09-23T20:19:41","slug":"astrolabe-notre-logo","status":"publish","type":"post","link":"https:\/\/jacquescartier2034.org\/en\/astrolabe-notre-logo\/","title":{"rendered":"L&#8217;astrolabe, notre logo"},"content":{"rendered":"<p class=\"wp-block-paragraph\">Qu&#8217;est ce qu&#8217;un astrolabe et pourquoi en avoir fait notre logo ?<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">L&#8217;astrolabe \u00e9tait un instrument utilis\u00e9 pendant des si\u00e8cles par les astronomes arabes. Sa version simplifi\u00e9e et embarqu\u00e9e \u00e0 bord des navires a \u00e9t\u00e9 popularis\u00e9e par les marins portugais au XV\u00e8me si\u00e8cle. Cet astrolabe de marine permet de mesurer l&#8217;angle de corps c\u00e9lestes comme le Soleil ou l&#8217;\u00e9toile Polaire par rapport \u00e0 la ligne d&#8217;horizon, et ainsi d\u00e9terminer la latitude instantan\u00e9e du navire gr\u00e2ce \u00e0 un simple calcul.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Il s&#8217;agit d&#8217;un cadran gradu\u00e9e en degr\u00e9s avec un bras pivotant appel\u00e9 alidade, qui est fix\u00e9 en son centre.<br>A chaque extr\u00e9mit\u00e9 du bras, une pointe \u00e9tait perc\u00e9e d&#8217;un petit trou. En l&#8217;alignant avec le Soleil, la lumi\u00e8re de l&#8217;astre passait \u00e0 travers et l&#8217;on pouvait mesure l&#8217;angle sur le cadran.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">&nbsp;<\/p>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/jacquescartier2034.org\/wp-content\/uploads\/2022\/06\/astrolabe-2.jpg\" alt=\"\" class=\"wp-image-453\" width=\"247\" height=\"317\" srcset=\"https:\/\/jacquescartier2034.org\/wp-content\/uploads\/2022\/06\/astrolabe-2.jpg 492w, https:\/\/jacquescartier2034.org\/wp-content\/uploads\/2022\/06\/astrolabe-2-234x300.jpg 234w\" sizes=\"auto, (max-width: 247px) 100vw, 247px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">L&#8217;astrolabe symbolise donc \u00e0 merveille notre projet. Car c&#8217;est un projet maritime, technique, historique, qui devra \u00eatre men\u00e9 dans une direction bien pr\u00e9cise : Canada 2034.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">&nbsp;<\/p>","protected":false},"excerpt":{"rendered":"<p>Qu&#8217;est ce qu&#8217;un astrolabe et pourquoi en avoir fait notre logo ? L&#8217;astrolabe \u00e9tait un instrument utilis\u00e9 pendant des si\u00e8cles par les astronomes arabes. Sa version simplifi\u00e9e et embarqu\u00e9e \u00e0&#8230;<\/p>","protected":false},"author":2,"featured_media":453,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"inline_featured_image":false,"footnotes":""},"categories":[7],"tags":[],"class_list":["post-116","post","type-post","status-publish","format-standard","has-post-thumbnail","category-technique"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.7 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>L&#039;astrolabe, notre logo - Jacques Cartier 2034<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/jacquescartier2034.org\/en\/astrolabe-notre-logo\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"L&#039;astrolabe, notre logo - Jacques Cartier 2034\" \/>\n<meta property=\"og:description\" content=\"Qu&#8217;est ce qu&#8217;un astrolabe et pourquoi en avoir fait notre logo ? 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