{"id":929,"date":"2020-12-10T09:35:45","date_gmt":"2020-12-10T09:35:45","guid":{"rendered":"https:\/\/blogs.futura-sciences.com\/frankel\/?p=929"},"modified":"2021-03-16T07:35:04","modified_gmt":"2021-03-16T07:35:04","slug":"starship-un-bond-de-geant-vers-mars","status":"publish","type":"post","link":"https:\/\/blogs.futura-sciences.com\/frankel\/2020\/12\/10\/starship-un-bond-de-geant-vers-mars\/","title":{"rendered":"Starship\u00a0: un bond de g\u00e9ant vers Mars"},"content":{"rendered":"\r\n<p>Elon Musk l\u2019a voulu, Elon Musk l\u2019a fait. L\u2019essai en vol de Starship, le prototype de SpaceX, le 9 d\u00e9cembre 2020 \u00e0 Boca Chica au Texas, s\u2019est sold\u00e9 par un succ\u00e8s presque total : seul le retour de la fus\u00e9e sur le pas de tir, apr\u00e8s un vol de 6 minutes jusqu\u2019\u00e0 12 kilom\u00e8tres d\u2019altitude, a eu lieu \u00e0 une vitesse trop \u00e9lev\u00e9e, entra\u00eenant le crash et l\u2019explosion du prototype. Les ing\u00e9nieurs ont \u00e9t\u00e9 combl\u00e9s : Elon Musk ne donnait \u00e0 cet essai qu\u2019une chance sur trois de r\u00e9ussite totale ; or non seulement l\u2019essai s\u2019est d\u00e9roul\u00e9 jusqu\u2019\u00e0 son terme, mais les incidents qui l\u2019ont \u00e9maill\u00e9 \u2013 arr\u00eat pr\u00e9matur\u00e9 d\u2019un moteur sur trois avec incendie ma\u00eetris\u00e9e dans la baie de propulsion ; crash \u00e0 l\u2019atterrissage \u2013 procurent aux ing\u00e9nieurs toutes les donn\u00e9es dont ils ont besoin pour am\u00e9liorer l\u2019engin.<\/p>\r\n<p><a href=\"https:\/\/blogs.futura-sciences.com\/frankel\/wp-content\/uploads\/sites\/7\/2020\/12\/Starship-20722.png\" rel=\"lightbox[929]\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-942\" src=\"https:\/\/blogs.futura-sciences.com\/frankel\/wp-content\/uploads\/sites\/7\/2020\/12\/Starship-20722.png\" alt=\"\" width=\"1469\" height=\"769\" srcset=\"https:\/\/blogs.futura-sciences.com\/frankel\/wp-content\/uploads\/sites\/7\/2020\/12\/Starship-20722.png 1469w, https:\/\/blogs.futura-sciences.com\/frankel\/wp-content\/uploads\/sites\/7\/2020\/12\/Starship-20722-450x236.png 450w, https:\/\/blogs.futura-sciences.com\/frankel\/wp-content\/uploads\/sites\/7\/2020\/12\/Starship-20722-1024x536.png 1024w, https:\/\/blogs.futura-sciences.com\/frankel\/wp-content\/uploads\/sites\/7\/2020\/12\/Starship-20722-768x402.png 768w\" sizes=\"auto, (max-width: 1469px) 100vw, 1469px\" \/><\/a><em>Starship SN8 apr\u00e8s deux minutes de vol et deux moteurs Raptor sur trois en service (cr\u00e9dit SpaceX)<\/em><\/p>\r\n<p>Starship est le second \u00e9tage du futur lanceur \u00ab poids lourd \u00bb de SpaceX. Le prototype du premier \u00e9tage est en cours de construction, et Elon Musk n\u2019h\u00e9site pas, comme \u00e0 son habitude, \u00e0 pr\u00e9voir \u2013 pour l\u2019instant sans \u00e9quipage \u2013 un premier test jusqu\u2019\u00e0 l\u2019orbite terrestre en 2021, une mission vers la Lune en 2022, et une mission vers Mars en 2023. Et, toujours fid\u00e8le \u00e0 son optimisme d\u00e9brid\u00e9, le premier atterrissage d\u2019un \u00e9quipage sur Mars en 2025 ou 2027\u2026<br \/><br \/>Apr\u00e8s avoir f\u00e9licit\u00e9 son \u00e9quipe de SpaceX avec un premier tweet dans la foul\u00e9e du vol, Elon Musk a enfonc\u00e9 le clou avec son second tweet : \u00ab Mars, here we come ! \u00bb.<br \/>Mars, on arrive\u2026<br \/><br \/><a href=\"https:\/\/www.youtube.com\/watchv=XznOm57Yuvs&amp;feature=emb_logo\">https:\/\/www.youtube.com\/watchv=XznOm57Yuvs&amp;feature=emb_logo<\/a><\/p>\r\n<p>&nbsp;<\/p>\r\n<!-- AddThis Advanced Settings generic via filter on the_content --><!-- AddThis Share Buttons generic via filter on the_content -->","protected":false},"excerpt":{"rendered":"<p>Elon Musk l\u2019a voulu, Elon Musk l\u2019a fait. L\u2019essai en vol de Starship, le prototype de SpaceX, le 9 d\u00e9cembre 2020 \u00e0 Boca Chica au Texas, s\u2019est sold\u00e9 par un succ\u00e8s presque total : seul le retour de la fus\u00e9e sur le pas de tir, apr\u00e8s un vol de 6 minutes jusqu\u2019\u00e0 12 kilom\u00e8tres d\u2019altitude, &hellip; <a href=\"https:\/\/blogs.futura-sciences.com\/frankel\/2020\/12\/10\/starship-un-bond-de-geant-vers-mars\/\" class=\"more-link\">Continuer la lecture de <span class=\"screen-reader-text\">Starship\u00a0: un bond de g\u00e9ant vers Mars<\/span>  <span class=\"meta-nav\">&rarr;<\/span><\/a><!-- AddThis Advanced Settings generic via filter on get_the_excerpt --><!-- AddThis Share Buttons generic via filter on get_the_excerpt --><\/p>\n","protected":false},"author":6,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_links_to":"","_links_to_target":""},"categories":[13],"tags":[],"class_list":["post-929","post","type-post","status-publish","format-standard","hentry","category-actualites"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Starship\u00a0: un bond de g\u00e9ant vers Mars - Carnets de bord d\u2019un martien, le blog de Charles FRANKEL, g\u00e9ologue<\/title>\n<meta name=\"description\" content=\"La fus\u00e9e Starship de SpaceX, dernier n\u00e9 d&#039;Elon Musk, a accompli son premier vol d&#039;essai le 9 d\u00e9cembre 2020. 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