{"id":2171,"date":"2015-06-04T01:37:56","date_gmt":"2015-06-04T01:37:56","guid":{"rendered":"https:\/\/blogs.futura-sciences.com\/feldmann\/?p=2171"},"modified":"2015-06-10T05:07:42","modified_gmt":"2015-06-10T05:07:42","slug":"les-etoiles-scintillent-dans-lamas-de-la-creche","status":"publish","type":"post","link":"https:\/\/blogs.futura-sciences.com\/feldmann\/2015\/06\/04\/les-etoiles-scintillent-dans-lamas-de-la-creche\/","title":{"rendered":"Les \u00e9toiles scintillent dans l’amas de la Cr\u00e8che"},"content":{"rendered":"

L’astrophotographe Michele Brusa a captur\u00e9 avec son t\u00e9lescope la beaut\u00e9 de l’amas de la Cr\u00e8che.<\/strong><\/p>\n

Le 44\u00e8me objet du catalogue de Charles Messier (que l’astronome italien Galil\u00e9e avait d\u00e9j\u00e0 observ\u00e9 avec sa modeste lunette <\/a>en 1610, 180 ans plus t\u00f4t) est un bel amas ouvert d’\u00e9toiles situ\u00e9 dans la constellation du Cancer \u00e0 environ 600 ann\u00e9es-lumi\u00e8re de nos t\u00e9lescopes<\/a>. Messier 44<\/a> est aussi appel\u00e9 Praesepe, la Cr\u00e8che ou encore la Ruche.<\/p>\n

\"messier44\"<\/a><\/p>\n

Un milliers d’\u00e9toiles forment cet amas qui serait n\u00e9 il y a 600 millions d’ann\u00e9es. Alors que les \u00e9toiles <\/a>de l’amas des Pl\u00e9iades<\/a>, beaucoup plus jeunes (100 millions d’ann\u00e9es), sont encore entour\u00e9es de n\u00e9bulosit\u00e9s, celles de M 44 ont abandonn\u00e9 leurs enveloppes gazeuses et se dispersent peu \u00e0 peu dans l’espace.<\/p>\n

L’image de l’amas de la Cr\u00e8che propos\u00e9e ci-dessus a \u00e9t\u00e9 r\u00e9alis\u00e9e par l’astrophotographe italien Michele Brusa<\/a> avec un appareil photo plac\u00e9 derri\u00e8re un t\u00e9lescope de 25 centim\u00e8tres de diam\u00e8tre.<\/p>\n

La d\u00e9couverte de l’amas de la Cr\u00e8che est attribu\u00e9e au po\u00e8te grec Aratos de Soles vers 260 avant JC. Heureuse \u00e9poque o\u00f9 l’absence totale de pollution lumineuse<\/a> permettait \u00e0 chacun d’admirer les merveilles du ciel nocturne depuis le pas de sa porte…<\/p>\n","protected":false},"excerpt":{"rendered":"

L’astrophotographe Michele Brusa a captur\u00e9 avec son t\u00e9lescope la beaut\u00e9 de l’amas de la Cr\u00e8che. Le 44\u00e8me objet du catalogue de Charles Messier (que l’astronome italien Galil\u00e9e avait d\u00e9j\u00e0 observ\u00e9 avec sa modeste lunette en 1610, 180 ans plus t\u00f4t) est un bel amas ouvert d’\u00e9toiles situ\u00e9 dans la constellation du Cancer \u00e0 environ 600 … Continuer la lecture de Les \u00e9toiles scintillent dans l’amas de la Cr\u00e8che<\/span> →<\/span><\/a><\/p>\n","protected":false},"author":8,"featured_media":2172,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_links_to":"","_links_to_target":""},"categories":[84],"tags":[434,133,89,158,915,433,916,167,436,96],"class_list":["post-2171","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-ciel-etoile","tag-amas-de-la-creche","tag-charles-messier","tag-etoile","tag-galilee","tag-lunette","tag-messier-44","tag-michele-brusa","tag-pollution-lumineuse","tag-praesepe","tag-telescope"],"yoast_head":"\nLes \u00e9toiles scintillent dans l'amas de la Cr\u00e8che<\/title>\n<meta name=\"description\" content=\"L'astrophotographe Michele Brusa a captur\u00e9 avec son t\u00e9lescope la beaut\u00e9 de l'amas de la Cr\u00e8che.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" 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