{"id":17488,"date":"2022-01-09T12:25:16","date_gmt":"2022-01-09T12:25:16","guid":{"rendered":"https:\/\/www.africa-press.net\/tchad\/politique\/le-telescope-james-webb-deploie-son-miroir-geant-dans-lespace"},"modified":"2022-01-09T12:52:02","modified_gmt":"2022-01-09T12:52:02","slug":"le-telescope-james-webb-deploie-son-miroir-geant-dans-lespace","status":"publish","type":"post","link":"https:\/\/www.africa-press.net\/tchad\/toutes-les-actualites\/le-telescope-james-webb-deploie-son-miroir-geant-dans-lespace","title":{"rendered":"Le t\u00e9lescope James Webb d\u00e9ploie son miroir g\u00e9ant dans l’espace"},"content":{"rendered":"

Africa-Press – Tchad. <\/strong><\/span>Le t\u00e9lescope spatial James Webb (JWST), l’observatoire spatial le plus complexe au monde, a achev\u00e9 samedi 8 janvier le d\u00e9ploiement de son miroir g\u00e9ant dor\u00e9, quatorze jours seulement apr\u00e8s son lancement.<\/p>\n

\u00ab\u00a0Je suis tr\u00e8s fier de l’\u00e9quipe -qui s’\u00e9tend sur plusieurs continents et d\u00e9cennies- qui a r\u00e9alis\u00e9 cette premi\u00e8re en son genre\u00a0\u00bb, a d\u00e9clar\u00e9 Thomas Zurbuchen, administrateur associ\u00e9 du Science Mission Directorate de la NASA, dans un communiqu\u00e9.<\/p>\n

Le t\u00e9lescope James Webb contient le plus grand miroir jamais construit par la NASA. Sa taille imposante a cr\u00e9\u00e9 un probl\u00e8me unique \u00e0 l\u2019agence spatiale, notamment parce qu’il ne pouvait pas entrer dans une fus\u00e9e. Les ing\u00e9nieurs ont donc con\u00e7u le t\u00e9lescope comme une s\u00e9rie de pi\u00e8ces mobiles pouvant se plier \u00e0 la mani\u00e8re d’un origami et tenir dans un espace de 5 m\u00e8tres carr\u00e9s.<\/p>\n

\u00ab\u00a0J’en suis \u00e9mu\u00a0\u00bb, a confi\u00e9 Zurbuchen, \u00e0 propos de tous les miroirs du t\u00e9lescope qui se mettent enfin en place. \u00ab\u00a0Quelle \u00e9tape incroyable! Nous voyons ce magnifique motif l\u00e0-bas dans le ciel d\u00e9sormais presque complet\u201d, a-t-il ajout\u00e9.<\/p>\n

Con\u00e7u il y a 25 ans, le JWST, d’un co\u00fbt de 10 milliards de dollars, doit son nom \u00e0 un ancien administrateur de la NASA qui a supervis\u00e9 les ann\u00e9es de formation du programme Apollo. Son but est de scruter l’atmosph\u00e8re de mondes extraterrestres lointains, de capter la lumi\u00e8re de certaines des premi\u00e8res galaxies et ainsi de reconstituer l’\u00e9volution des \u00e9toiles dans les nuages de poussi\u00e8re.<\/p>\n

Pour plus d’informations et d’analyses sur la Tchad<\/a>, suivez Africa-Press<\/a><\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"

Africa-Press – Tchad. Le t\u00e9lescope spatial James Webb (JWST), l’observatoire spatial le plus complexe au monde, a achev\u00e9 samedi 8 janvier le d\u00e9ploiement de son miroir g\u00e9ant dor\u00e9, quatorze jours seulement apr\u00e8s son lancement. \u00ab\u00a0Je suis tr\u00e8s fier de l’\u00e9quipe -qui s’\u00e9tend sur plusieurs continents et d\u00e9cennies- qui a r\u00e9alis\u00e9 cette premi\u00e8re en son genre\u00a0\u00bb, […]<\/p>\n","protected":false},"author":82,"featured_media":17487,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[22,11,10],"tags":[37,292,3123,29],"class_list":["post-17488","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-divers","category-homepage-french","category-toutes-les-actualites","tag-africa-press","tag-africa-press-tchad","tag-james-webb","tag-tchad"],"yoast_head":"\nLe t\u00e9lescope James Webb d\u00e9ploie son miroir g\u00e9ant dans l'espace - 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