{"id":1846,"date":"2022-03-20T07:15:00","date_gmt":"2022-03-20T07:15:00","guid":{"rendered":"https:\/\/deliry.net\/?p=1846"},"modified":"2026-02-06T01:16:34","modified_gmt":"2026-02-06T01:16:34","slug":"hubble-un-formidable-telescope-spatial","status":"publish","type":"post","link":"https:\/\/deliry.com\/?p=1846","title":{"rendered":"Hubble, un formidable t\u00e9lescope spatial"},"content":{"rendered":"\n<p>Le t\u00e9lescope&nbsp;<em><strong>Hubble<\/strong><\/em>&nbsp;(HST&nbsp;: Hubble Space Telescope) est un instrument spatial fonctionnant avec des panneaux solaires, con\u00e7u par la NASA en collaboration avec l\u2019Agence spatiale europ\u00e9enne op\u00e9rationnel depuis 1990 plac\u00e9 sur une orbite situ\u00e9e \u00e0 600 km de la Terre par la navette spatiale Discovery. Il poss\u00e8de un miroir de 240 cm de diam\u00e8tre ce qui lui permet de restituer des images avec une r\u00e9solution de 0,1 seconde d\u2019arc. Il d\u00e9passe en qualit\u00e9 d\u2019observation, de nombreux instruments terrestre qui sont handicap\u00e9s par la pr\u00e9sence de l\u2019atmosph\u00e8re. Lors de son installation dans l\u2019espace une aberration optique est constat\u00e9e et celle-ci a su \u00eatre corrig\u00e9e par une op\u00e9ration de maintenance men\u00e9e par une mission de la navette spatiale Endeavour. Plusieurs missions de maintenance ont \u00e9t\u00e9 assur\u00e9s par de telles navettes. Il devrait fonctionner jusqu\u2019aux environs de 2030, mais d\u00e8s 2022 la rel\u00e8ve sera assur\u00e9e par le t\u00e9lescope spatial&nbsp;<em>James-Webb<\/em>&nbsp;qui vient d\u2019\u00eatre lanc\u00e9 le 25 d\u00e9cembre 2021.<\/p>\n\n\n\n<p>Les missions \u00e0 venir de&nbsp;<em>Hubble<\/em>&nbsp;sont de cartographier une partie des \u00e9toiles de la Galaxie d\u2019Androm\u00e8de, de photographier d\u2019importantes portions du ciel \u00e9toil\u00e9, d\u2019\u00e9tudier des amas de galaxie de grande taille afin de d\u00e9terminer la pr\u00e9sence de mati\u00e8re noire.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><a href=\"https:\/\/deliry.com\/wp-content\/uploads\/2022\/03\/Hubbel.jpg\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"822\" src=\"https:\/\/deliry.com\/wp-content\/uploads\/2022\/03\/Hubbel.jpg\" alt=\"\" class=\"wp-image-3208\" style=\"width:800px\" srcset=\"https:\/\/deliry.com\/wp-content\/uploads\/2022\/03\/Hubbel.jpg 1024w, https:\/\/deliry.com\/wp-content\/uploads\/2022\/03\/Hubbel-300x241.jpg 300w, https:\/\/deliry.com\/wp-content\/uploads\/2022\/03\/Hubbel-768x617.jpg 768w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/a><figcaption class=\"wp-element-caption\">Nuages ou Complexe du&nbsp;Cam\u00e9l\u00e9on&nbsp;(extrait)<br>Situ\u00e9 dans la constellation australe du m\u00eame nom dont ils occupent presque toute la surface, leur dimension est de 65 al. Ils contiennent de nombreuses \u00e9toiles en formation. <em>Hubble<\/em>&nbsp;y recherche aussi des naines brunes.<\/figcaption><\/figure>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>Le t\u00e9lescope&nbsp;Hubble&nbsp;(HST&nbsp;: Hubble Space Telescope) est un instrument spatial fonctionnant avec des panneaux solaires, con\u00e7u par la NASA en collaboration avec l\u2019Agence spatiale europ\u00e9enne op\u00e9rationnel &hellip; <\/p>\n","protected":false},"author":1,"featured_media":2579,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[317,417,1,311],"tags":[],"class_list":["post-1846","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-astronomie","category-concepts-et-methodes-materiel","category-maintenance","category-zz-synchroniser"],"_links":{"self":[{"href":"https:\/\/deliry.com\/index.php?rest_route=\/wp\/v2\/posts\/1846","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/deliry.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/deliry.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/deliry.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/deliry.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1846"}],"version-history":[{"count":5,"href":"https:\/\/deliry.com\/index.php?rest_route=\/wp\/v2\/posts\/1846\/revisions"}],"predecessor-version":[{"id":7575,"href":"https:\/\/deliry.com\/index.php?rest_route=\/wp\/v2\/posts\/1846\/revisions\/7575"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/deliry.com\/index.php?rest_route=\/wp\/v2\/media\/2579"}],"wp:attachment":[{"href":"https:\/\/deliry.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1846"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/deliry.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1846"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/deliry.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1846"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}