{"id":6266,"date":"2019-04-29T06:27:56","date_gmt":"2019-04-29T05:27:56","guid":{"rendered":"http:\/\/lycee-bois-d-olive.ac-reunion.fr\/?p=6266"},"modified":"2019-04-29T06:27:56","modified_gmt":"2019-04-29T05:27:56","slug":"un-temps-de-chien","status":"publish","type":"post","link":"https:\/\/etab.ac-reunion.fr\/lyc-bois-d-olive\/un-temps-de-chien\/","title":{"rendered":"Un temps de chien"},"content":{"rendered":"\r\n<p>Les photos du club <em>Guetali la O<\/em><\/p>\r\n<p>Tu mourras moins b\u00eate&#8230;.<\/p>\r\n\r\n\r\n\r\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"10416\" height=\"6952\" class=\"wp-image-6265 aligncenter\" src=\"https:\/\/etab.ac-reunion.fr\/lyc-bois-d-olive\/wp-content\/uploads\/sites\/147\/2019\/04\/LBO-Guetali-la-O-grand-chien-Sirius.jpg\" alt=\"\" srcset=\"https:\/\/etab.ac-reunion.fr\/lyc-bois-d-olive\/wp-content\/uploads\/sites\/147\/2019\/04\/LBO-Guetali-la-O-grand-chien-Sirius.jpg 10416w, https:\/\/etab.ac-reunion.fr\/lyc-bois-d-olive\/wp-content\/uploads\/sites\/147\/2019\/04\/LBO-Guetali-la-O-grand-chien-Sirius-300x200.jpg 300w, https:\/\/etab.ac-reunion.fr\/lyc-bois-d-olive\/wp-content\/uploads\/sites\/147\/2019\/04\/LBO-Guetali-la-O-grand-chien-Sirius-1024x683.jpg 1024w, https:\/\/etab.ac-reunion.fr\/lyc-bois-d-olive\/wp-content\/uploads\/sites\/147\/2019\/04\/LBO-Guetali-la-O-grand-chien-Sirius-150x100.jpg 150w, https:\/\/etab.ac-reunion.fr\/lyc-bois-d-olive\/wp-content\/uploads\/sites\/147\/2019\/04\/LBO-Guetali-la-O-grand-chien-Sirius-1150x768.jpg 1150w\" sizes=\"auto, (max-width: 10416px) 100vw, 10416px\" \/><\/figure>\r\n\r\n\r\n\r\n<p>Sur la photo ci-dessus, nous pouvons observer (avec un peu d&rsquo;imagination) un Grand Chien et un Petit Chien chassant le Li\u00e8vre pour leur ma\u00eetre, le chasseur Orion.<\/p>\r\n\r\n\r\n\r\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"10416\" height=\"6952\" class=\"wp-image-6264 aligncenter\" src=\"https:\/\/etab.ac-reunion.fr\/lyc-bois-d-olive\/wp-content\/uploads\/sites\/147\/2019\/04\/LBO-Guetali-la-O-grand-chien-Sirius-annote\u0301.jpg\" alt=\"\" srcset=\"https:\/\/etab.ac-reunion.fr\/lyc-bois-d-olive\/wp-content\/uploads\/sites\/147\/2019\/04\/LBO-Guetali-la-O-grand-chien-Sirius-annote\u0301.jpg 10416w, https:\/\/etab.ac-reunion.fr\/lyc-bois-d-olive\/wp-content\/uploads\/sites\/147\/2019\/04\/LBO-Guetali-la-O-grand-chien-Sirius-annote\u0301-300x200.jpg 300w, https:\/\/etab.ac-reunion.fr\/lyc-bois-d-olive\/wp-content\/uploads\/sites\/147\/2019\/04\/LBO-Guetali-la-O-grand-chien-Sirius-annote\u0301-1024x683.jpg 1024w, https:\/\/etab.ac-reunion.fr\/lyc-bois-d-olive\/wp-content\/uploads\/sites\/147\/2019\/04\/LBO-Guetali-la-O-grand-chien-Sirius-annote\u0301-150x100.jpg 150w, https:\/\/etab.ac-reunion.fr\/lyc-bois-d-olive\/wp-content\/uploads\/sites\/147\/2019\/04\/LBO-Guetali-la-O-grand-chien-Sirius-annote\u0301-1150x768.jpg 1150w\" sizes=\"auto, (max-width: 10416px) 100vw, 10416px\" \/><\/figure>\r\n\r\n\r\n\r\n<p>Commen\u00e7ons par le <strong>Grand Chien<\/strong>, constellation largement visible et tr\u00e8s ancienne du fait qu\u2019elle abrite <strong>Sirius<\/strong>, que nous \u00e9voquerons plus tard.<\/p>\r\n\r\n\r\n\r\n<p>Elle reste observable seulement quelques mois par an. Pour cela, on raconte en Europe que la vue de cette constellation annonce la p\u00e9riode de fortes chaleurs : canicule emprunte son \u00e9tymologie \u00e0 \u00ab canis \u00bb signifiant chien en latin.<\/p>\r\n\r\n\r\n\r\n<p><strong>Sirius<\/strong> est quant \u00e0 elle, l\u2019\u00e9toile la plus brillante du ciel, apr\u00e8s le Soleil. Sirius est une \u00e9toile binaire : d\u2019une part, elle est compos\u00e9e d\u2019une \u00e9toile blanche visible \u00e0 l\u2019\u0153il nu et d\u2019autre part, elle poss\u00e8de une naine blanche expliquant la forte densit\u00e9 de cet objet c\u00e9leste. Toutefois, ces deux astres semblent extr\u00eamement compliqu\u00e9s \u00e0 distinguer.<\/p>\r\n\r\n\r\n\r\n<p>De plus, cette \u00e9toile pr\u00e9sente un mouvement propre important indiquant une variation de position rapide au cours du temps.<\/p>\r\n\r\n\r\n\r\n<p>Enfin, Sirius du fait de sa grande visibilit\u00e9 suscite de nombreux mythes au cours du temps. Pour en citer un dernier, dans l\u2019\u00c9gypte Antique, elle \u00e9tait associ\u00e9e \u00e0 Anubis, ce qui lui donnait pour r\u00f4le de guider les \u00e2mes vers leur destin stellaire.<\/p>\r\n\r\n\r\n\r\n<div class=\"wp-block-image\">\r\n<figure class=\"aligncenter\">\r\n<div id=\"attachment_6263\" style=\"width: 310px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-6263\" class=\"wp-image-6263\" src=\"https:\/\/etab.ac-reunion.fr\/lyc-bois-d-olive\/wp-content\/uploads\/sites\/147\/2019\/04\/Stellarium-Grand-Chien-300x244.png\" alt=\"\" width=\"300\" height=\"244\" srcset=\"https:\/\/etab.ac-reunion.fr\/lyc-bois-d-olive\/wp-content\/uploads\/sites\/147\/2019\/04\/Stellarium-Grand-Chien-300x244.png 300w, https:\/\/etab.ac-reunion.fr\/lyc-bois-d-olive\/wp-content\/uploads\/sites\/147\/2019\/04\/Stellarium-Grand-Chien-150x122.png 150w, https:\/\/etab.ac-reunion.fr\/lyc-bois-d-olive\/wp-content\/uploads\/sites\/147\/2019\/04\/Stellarium-Grand-Chien.png 907w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><p id=\"caption-attachment-6263\" class=\"wp-caption-text\">Visualisation de Sirius au sein du Grand Chien \u00e0 proximit\u00e9 du Chasseur ( Orion ) et du Li\u00e8vre gr\u00e2ce au logiciel Stellarium<\/p><\/div>\r\n<\/figure>\r\n<\/div>\r\n\r\n\r\n\r\n<p style=\"text-align: right\">&#8230; mais tu mourras quand m\u00eame !<\/p>\r\n","protected":false},"excerpt":{"rendered":"<p>Les photos du club Guetali la O Tu mourras moins b\u00eate&#8230;. Sur la photo ci-dessus, nous pouvons observer (avec un\u2026<\/p>\n<p class=\"continue-reading-button\"> <a class=\"continue-reading-link\" href=\"https:\/\/etab.ac-reunion.fr\/lyc-bois-d-olive\/un-temps-de-chien\/\">Lire la suite<i class=\"crycon-right-dir\"><\/i><\/a><\/p>\n","protected":false},"author":21371,"featured_media":6265,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[94],"tags":[95,98],"class_list":["post-6266","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-articles-club-astro","tag-guetali-la-o-le-club-astro-du-lycee","tag-les-photos-du-club-guetali-la-o"],"_links":{"self":[{"href":"https:\/\/etab.ac-reunion.fr\/lyc-bois-d-olive\/wp-json\/wp\/v2\/posts\/6266","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/etab.ac-reunion.fr\/lyc-bois-d-olive\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/etab.ac-reunion.fr\/lyc-bois-d-olive\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/etab.ac-reunion.fr\/lyc-bois-d-olive\/wp-json\/wp\/v2\/users\/21371"}],"replies":[{"embeddable":true,"href":"https:\/\/etab.ac-reunion.fr\/lyc-bois-d-olive\/wp-json\/wp\/v2\/comments?post=6266"}],"version-history":[{"count":11,"href":"https:\/\/etab.ac-reunion.fr\/lyc-bois-d-olive\/wp-json\/wp\/v2\/posts\/6266\/revisions"}],"predecessor-version":[{"id":6561,"href":"https:\/\/etab.ac-reunion.fr\/lyc-bois-d-olive\/wp-json\/wp\/v2\/posts\/6266\/revisions\/6561"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/etab.ac-reunion.fr\/lyc-bois-d-olive\/wp-json\/wp\/v2\/media\/6265"}],"wp:attachment":[{"href":"https:\/\/etab.ac-reunion.fr\/lyc-bois-d-olive\/wp-json\/wp\/v2\/media?parent=6266"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/etab.ac-reunion.fr\/lyc-bois-d-olive\/wp-json\/wp\/v2\/categories?post=6266"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/etab.ac-reunion.fr\/lyc-bois-d-olive\/wp-json\/wp\/v2\/tags?post=6266"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}