Test des parachutes d’Exomars au sol, en d\u00e9cembre 2019. Le report des essais en vol a fini par compromettre la mission. Cr\u00e9dit\u00a0: NASA\/JPL-Caltech<\/figcaption><\/figure>\nLa menace plane aussi sur les deux autres sondes qui devaient prendre la route de Mars cette ann\u00e9e\u00a0: si le rover Pers\u00e9v\u00e9rance de la NASA (version am\u00e9lior\u00e9e de Curiosity) est toujours sur le calendrier pour un lancement en juillet, l\u2019assemblage de ses derniers instruments est fortement ralenti par les mesures de pr\u00e9caution associ\u00e9es \u00e0 la pand\u00e9mie du coronavirus, et les responsables am\u00e9ricains, s\u2019ils sont encore optimistes, commencent \u00e0 \u00e9voquer une protection renforc\u00e9e de leurs ing\u00e9nieurs et ouvriers, qui pourrait donc affecter le tir.<\/p>\n
Tout aussi al\u00e9atoire est le lancement de la troisi\u00e8me sonde martienne de l\u2019ann\u00e9e, Huoxing-1. M\u00eame si les ing\u00e9nieurs chinois sortent du confinement avant les autres nations, ils ont d\u00e9sormais \u00e0 faire face \u00e0 l\u2019\u00e9chec d\u2019un lanceur Longue Marche\u00a07, le 16 mars, qui utilise le m\u00eame moteur YF-100 que les boosters de la Longue Marche 5 affect\u00e9e au vol martien. On ne sait donc pas si l\u2019\u00e9chec du 16 mars remettra en cause son tir.<\/p>\n","protected":false},"excerpt":{"rendered":"
Mars est \u00e0 son tour atteint par le coronavirus. On a appris sans surprise l\u2019annulation du tir de la sonde europ\u00e9enne ExoMars qui devait d\u00e9coller cet \u00e9t\u00e9 pour poser un rover (baptis\u00e9 Rosalind Franklin) sur la plan\u00e8te rouge. Faute en est au retard pris dans la validation des parachutes de la sonde, dont deux tests … Continuer la lecture de La mission ExoMars report\u00e9e<\/span> →<\/span><\/a><\/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":[13,4],"tags":[],"class_list":["post-911","post","type-post","status-publish","format-standard","hentry","category-actualites","category-sciences"],"yoast_head":"\nLa mission ExoMars report\u00e9e - Carnets de bord d\u2019un martien, le blog de Charles FRANKEL, g\u00e9ologue<\/title>\n<meta name=\"description\" content=\"Le coronavirus a fini par atteindre la plan\u00e8te Mars. 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