{"id":677,"date":"2024-03-01T09:12:08","date_gmt":"2024-03-01T08:12:08","guid":{"rendered":"http:\/\/boks-meteo-lancrans.fr\/?p=677"},"modified":"2024-08-11T07:07:49","modified_gmt":"2024-08-11T05:07:49","slug":"estimer-la-distance-dans-le-ciel","status":"publish","type":"post","link":"http:\/\/boks-meteo-lancrans.fr\/index.php\/2024\/03\/01\/estimer-la-distance-dans-le-ciel\/","title":{"rendered":"Estimer la distance dans le ciel"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"677\" class=\"elementor elementor-677\">\n\t\t\t\t<div class=\"elementor-element elementor-element-12a8a5f e-flex e-con-boxed e-con e-parent\" data-id=\"12a8a5f\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-cacd873 elementor-widget elementor-widget-text-editor\" data-id=\"cacd873\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Pas facile d&rsquo;estimer une distance dans le ciel entre deux \u00e9toiles, ou la taille de la Lune ou du Soleil.\u00a0<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-9732269 e-flex e-con-boxed e-con e-parent\" data-id=\"9732269\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-2ccddce e-con-full e-flex e-con e-child\" data-id=\"2ccddce\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-dcaa382 elementor-widget elementor-widget-text-editor\" data-id=\"dcaa382\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Les astronomes ont contourn\u00e9 la difficult\u00e9 en utilisant ce qu&rsquo;ils appellent la distance angulaire et le diam\u00e8tre apparent.<\/p><p>La distance angulaire est l&rsquo;angle form\u00e9 par deux droites partant chacune d&rsquo;un astre dont on veut estimer l&rsquo;\u00e9cart, et se joignant au niveau de l&rsquo;observateur.<\/p><p>Le diam\u00e8tre apparent, c&rsquo;est l&rsquo;angle au sommet du triangle form\u00e9 par l&rsquo;observateur, et les deux bords oppos\u00e9s de l&rsquo;objet dont on veut mesurer la taille.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-506885d e-con-full e-flex e-con e-child\" data-id=\"506885d\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-2d469ca elementor-widget elementor-widget-image\" data-id=\"2d469ca\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"733\" height=\"399\" src=\"http:\/\/boks-meteo-lancrans.fr\/wp-content\/uploads\/2024\/03\/Mesurer-les-distances-2.jpg\" class=\"attachment-large size-large wp-image-679\" alt=\"\" srcset=\"http:\/\/boks-meteo-lancrans.fr\/wp-content\/uploads\/2024\/03\/Mesurer-les-distances-2.jpg 733w, http:\/\/boks-meteo-lancrans.fr\/wp-content\/uploads\/2024\/03\/Mesurer-les-distances-2-300x163.jpg 300w\" sizes=\"(max-width: 733px) 100vw, 733px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-93b4fa7 e-flex e-con-boxed e-con e-parent\" data-id=\"93b4fa7\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-9eec059 e-con-full e-flex e-con e-child\" data-id=\"9eec059\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-5624d6b elementor-widget elementor-widget-text-editor\" data-id=\"5624d6b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Difficile d&rsquo;utiliser le rapporteur et le compas, alors utilisons la main. La largeur d&rsquo;un pouce \u00e9quivaut \u00e0 un angle de 2\u00b0, la largeur du poing ferm\u00e9 \u00e0 10\u00b0, et la main ouvert entre l&rsquo;auriculaire et le pouce \u00e0 20\u00b0.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-9597d93 e-con-full e-flex e-con e-child\" data-id=\"9597d93\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-4cd0de8 e-flex e-con-boxed e-con e-child\" data-id=\"4cd0de8\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-f3630e2 elementor-widget elementor-widget-image\" data-id=\"f3630e2\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"528\" height=\"169\" src=\"http:\/\/boks-meteo-lancrans.fr\/wp-content\/uploads\/2024\/03\/Mesurer-les-distances-main.jpg\" class=\"attachment-large size-large wp-image-680\" alt=\"\" srcset=\"http:\/\/boks-meteo-lancrans.fr\/wp-content\/uploads\/2024\/03\/Mesurer-les-distances-main.jpg 528w, http:\/\/boks-meteo-lancrans.fr\/wp-content\/uploads\/2024\/03\/Mesurer-les-distances-main-300x96.jpg 300w\" sizes=\"(max-width: 528px) 100vw, 528px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Pas facile d&rsquo;estimer une distance dans le ciel entre deux \u00e9toiles, ou la taille de la Lune ou du Soleil.\u00a0 Les astronomes ont contourn\u00e9 la &hellip; <\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[5],"tags":[],"class_list":["post-677","post","type-post","status-publish","format-standard","hentry","category-bon-a-savoir"],"_links":{"self":[{"href":"http:\/\/boks-meteo-lancrans.fr\/index.php\/wp-json\/wp\/v2\/posts\/677","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/boks-meteo-lancrans.fr\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/boks-meteo-lancrans.fr\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/boks-meteo-lancrans.fr\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/boks-meteo-lancrans.fr\/index.php\/wp-json\/wp\/v2\/comments?post=677"}],"version-history":[{"count":11,"href":"http:\/\/boks-meteo-lancrans.fr\/index.php\/wp-json\/wp\/v2\/posts\/677\/revisions"}],"predecessor-version":[{"id":2487,"href":"http:\/\/boks-meteo-lancrans.fr\/index.php\/wp-json\/wp\/v2\/posts\/677\/revisions\/2487"}],"wp:attachment":[{"href":"http:\/\/boks-meteo-lancrans.fr\/index.php\/wp-json\/wp\/v2\/media?parent=677"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/boks-meteo-lancrans.fr\/index.php\/wp-json\/wp\/v2\/categories?post=677"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/boks-meteo-lancrans.fr\/index.php\/wp-json\/wp\/v2\/tags?post=677"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}