{"id":74672,"date":"2026-02-06T12:00:00","date_gmt":"2026-02-06T12:00:00","guid":{"rendered":"https:\/\/www.africa-press.net\/senegal\/politique\/artemis-2-mission-dastronautes-autour-de-la-lune"},"modified":"2026-02-07T01:59:00","modified_gmt":"2026-02-07T01:59:00","slug":"artemis-2-mission-dastronautes-autour-de-la-lune","status":"publish","type":"post","link":"https:\/\/www.africa-press.net\/senegal\/toutes-les-actualites\/artemis-2-mission-dastronautes-autour-de-la-lune","title":{"rendered":"Artemis 2: Mission D\u2019Astronautes Autour de la Lune"},"content":{"rendered":"

Africa-Press – Senegal. <\/strong><\/span>Un lancement historique pour un programme qui l\u2019est de\u0301ja\u0300. Cinquante-quatre ans apre\u0300s la dernie\u0300re mission Apollo, en 1972, la Nasa s\u2019appre\u0302te a\u0300 envoyer quatre astronautes survoler la Lune dans le cadre du programme Artemis.<\/b><\/p>\n

Pendant dix jours, les Ame\u0301ricains Reid Wiseman, Victor Glover et Christina Koch et le Canadien Jeremy Hansen voyageront entre la Terre et notre satellite pour mener une se\u0301rie de tests en vue du vol que l\u2019agence spatiale ame\u0301ricaine attend depuis des anne\u0301es: Artemis 3, qui verra quatre astronautes fouler de nouveau le sol lunaire. Dates possibles de lancement, de\u0301roule\u0301 de la mission, objectifs et attentes… On vous dit tout sur la premie\u0300re mission habite\u0301e du programme Artemis.<\/p>\n

Une fene\u0302tre de lancement de fe\u0301vrier a\u0300 avril<\/b><\/p>\n

Si aucune date n\u2019est fixe\u0301e pour le moment, la Nasa a annonce\u0301 une fene\u0302tre de lancement, qui s\u2019e\u0301tale du 6 fe\u0301vrier (7 fe\u0301vrier en France avec le de\u0301calage horaire) au 30 avril. Au cours de ces trois mois, seize dates possibles ont e\u0301te\u0301 e\u0301tablies: les 6, 7, 8, 10 et 11 fe\u0301vrier, les, 6, 7, 8, 9 et 11 mars et les 1er, 3, 4, 5, 6 et 30 avril. D\u2019apre\u0300s le calendrier publie\u0301 par la Nasa, le lancement s\u2019effectuera de nuit, sauf s\u2019il a lieu le 1er ou le 30 avril.<\/p>\n

Si aucune date n\u2019a e\u0301te\u0301 arre\u0302te\u0301e, c\u2019est parce que les dernie\u0300res ve\u0301rifications n\u2019ont pu commencer que mi-janvier, lorsque la fuse\u0301e est arrive\u0301e sur le pas de tir. Ces tests de la fuse\u0301e, du vaisseau Orion, des syste\u0300mes au sol et de l\u2019e\u0301quipage permettront a\u0300 l\u2019agence spatiale ame\u0301ricaine d\u2019obtenir les informations ne\u0301cessaires \u00ab pour formaliser une date \u00bb. Le test le plus crucial \u2013 la re\u0301pe\u0301tition ge\u0301ne\u0301rale du lancement \u2013 est pre\u0301vu au plus tard le 2 fe\u0301vrier.<\/p>\n

Le de\u0301roule\u0301 de la mission<\/b><\/p>\n

Comme rien n\u2019est laisse\u0301 au hasard dans ce genre de mission, son de\u0301roule\u0301 est pre\u0301vu a\u0300 la seconde pre\u0300s. Ce plan ultrapre\u0301cis commencera quarante-neuf heures et quinze minutes avant le lancement, avec l\u2019arrive\u0301e des e\u0301quipes et le de\u0301but du compte a\u0300 rebours. Les astronautes prendront place dans la capsule Orion \u2013 leur \u00ab maison \u00bb pour les dix jours de mission \u2013 quatre heures avant le de\u0301collage.<\/p>\n

Une fois tous les syste\u0300mes au vert et le \u00ab go \u00bb final donne\u0301, la fuse\u0301e SLS (pour \u00ab Space launch system \u00bb) s\u2019e\u0301le\u0300vera du pas de tir 39B, a\u0300 Cap Canaveral, en Floride. Apre\u0300s la se\u0301paration des boosters et de l\u2019e\u0301tage principal, la capsule Orion et l\u2019e\u0301tage supe\u0301rieur effectueront deux orbites autour de la Terre, le temps de s\u2019assurer que tous les syste\u0300mes fonctionnent correctement et de tester la maniabilite\u0301 du vaisseau dans l\u2019espace.<\/p>\n

C\u2019est un peu plus de vingt-cinq heures apre\u0300s le lancement que le vrai voyage commencera, avec l\u2019injection translunaire, une man\u0153uvre qui propulsera Orion sur sa trajectoire vers la Lune. Mais il faudra encore attendre deux jours pour atteindre ses abords et deux jours supple\u0301mentaires pour la survoler. Soit le sixie\u0300me jour de la mission. La fuse\u0301e passera au plus pre\u0300s de la Lune a\u0300 6.513 kilome\u0300tres d\u2019altitude, au niveau de sa face cache\u0301e. Un survol qui durera moins de trois heures.<\/p>\n

De\u0301couvrez \u00ab Eggs en Provence \u00bb, gisement d\u2019\u0153ufs de dinosaures unique au monde<\/b><\/p>\n

Viendra ensuite le trajet de retour vers la Terre, pendant lequel les astronautes poursuivront le test des divers syste\u0300mes de la capsule et de son module de service. La mission prendra fin avec l\u2019amerrissage d\u2019Orion dans l\u2019oce\u0301an Pacifique.<\/p>\n

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

Africa-Press – Senegal. Un lancement historique pour un programme qui l\u2019est de\u0301ja\u0300. Cinquante-quatre ans apre\u0300s la dernie\u0300re mission Apollo, en 1972, la Nasa s\u2019appre\u0302te a\u0300 envoyer quatre astronautes survoler la Lune dans le cadre du programme Artemis. Pendant dix jours, les Ame\u0301ricains Reid Wiseman, Victor Glover et Christina Koch et le Canadien Jeremy Hansen voyageront […]<\/p>\n","protected":false},"author":82,"featured_media":74671,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[22,10],"tags":[44],"class_list":["post-74672","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-divers","category-toutes-les-actualites","tag-senegal-2"],"yoast_head":"\nArtemis 2: Mission D\u2019Astronautes Autour de la Lune - Senegal<\/title>\n<meta name=\"description\" content=\"Un lancement historique pour un programme qui l\u2019est de\u0301ja\u0300. 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