{"id":13710,"date":"2016-10-23T21:18:42","date_gmt":"2016-10-23T19:18:42","guid":{"rendered":"http:\/\/www.laterredufutur.com\/accueil\/?p=13710"},"modified":"2016-10-23T21:18:42","modified_gmt":"2016-10-23T19:18:42","slug":"schiaparelli-sest-ecrase-sur-mars-et-apres","status":"publish","type":"post","link":"https:\/\/www.laterredufutur.com\/accueil\/schiaparelli-sest-ecrase-sur-mars-et-apres\/","title":{"rendered":"Schiaparelli s\u2019est \u00e9cras\u00e9 sur Mars, et apr\u00e8s ?"},"content":{"rendered":"<div class=\"1665f18d14f35dd9e7566e1a8ac9a3e9\" data-index=\"1\" style=\"float: none; margin:10px 0 10px 0; text-align:center;\">\n<script async src=\"https:\/\/pagead2.googlesyndication.com\/pagead\/js\/adsbygoogle.js\"><\/script>\r\n<ins class=\"adsbygoogle\"\r\n     style=\"display:block; text-align:center;\"\r\n     data-ad-layout=\"in-article\"\r\n     data-ad-format=\"fluid\"\r\n     data-ad-client=\"ca-pub-2860849627502538\"\r\n     data-ad-slot=\"3019501113\"><\/ins>\r\n<script>\r\n     (adsbygoogle = window.adsbygoogle || []).push({});\r\n<\/script>\n<\/div>\n<p style=\"text-align: justify;\">L\u2019ESA a \u00e9t\u00e9 fix\u00e9e sur son sort gr\u00e2ce \u00e0 une photo prise par la sonde am\u00e9ricaine MRO en orbite autour de la plan\u00e8te rouge. Le module europ\u00e9en Schiaparelli \u00abs\u2019est \u00e9cras\u00e9 \u00e0 la surface de Mars\u00bb mercredi 19 octobre 2016, a annonc\u00e9 vendredi \u00e0 l\u2019AFP Thierry Blancquaert, responsable de l\u2019atterrisseur \u00e0 l\u2019Agence spatiale europ\u00e9enne (ESA).<\/p>\n<p style=\"text-align: justify;\">L\u2019ESA, qui \u00e9tait sans nouvelles du module depuis deux jours, a \u00e9t\u00e9 fix\u00e9e sur son sort gr\u00e2ce \u00e0 une photo prise par la sonde am\u00e9ricaine MRO en orbite autour de la plan\u00e8te rouge. Schiaparelli \u00abest arriv\u00e9 \u00e0 une vitesse beaucoup plus rapide que pr\u00e9vu \u00e0 la surface de Mars\u00bb, a expliqu\u00e9 M. Blancquaert depuis les locaux de l\u2019ESA \u00e0 Darmstadt.<\/p>\n<p style=\"text-align: justify;\">La perte de l\u2019atterrisseur Schiaparelli ne change pas grand chose pour les chercheurs impliqu\u00e9s dans la mission scientifique ExoMars, a indiqu\u00e9 samedi V\u00e9ronique Dehant, chef du service des Syst\u00e8mes de r\u00e9f\u00e9rences et Plan\u00e9tologie de l\u2019Observatoire royal de Belgique (ORB).<\/p>\n<p style=\"text-align: justify;\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" data-attachment-id=\"13711\" data-permalink=\"https:\/\/www.laterredufutur.com\/accueil\/schiaparelli-sest-ecrase-sur-mars-et-apres\/schiaparelli_site-ecrasement-mars\/\" data-orig-file=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2016\/10\/schiaparelli_site-ecrasement-mars.gif?fit=1132%2C781&amp;ssl=1\" data-orig-size=\"1132,781\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"schiaparelli_site-ecrasement-mars\" data-image-description=\"\" data-image-caption=\"\" data-medium-file=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2016\/10\/schiaparelli_site-ecrasement-mars.gif?fit=300%2C207&amp;ssl=1\" data-large-file=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2016\/10\/schiaparelli_site-ecrasement-mars.gif?fit=800%2C552&amp;ssl=1\" class=\"alignnone size-full wp-image-13711\" src=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2016\/10\/schiaparelli_site-ecrasement-mars.gif?resize=1132%2C781\" alt=\"schiaparelli_site-ecrasement-mars\" width=\"1132\" height=\"781\" \/><\/p>\n<p style=\"text-align: justify;\">On estime que Schiaparelli a chut\u00e9 d&rsquo;une hauteur comprise entre 2 et 4 kilom\u00e8tres, donc un impact \u00e0 une vitesse consid\u00e9rable, sup\u00e9rieure \u00e0 300 km \/ h. La taille relativement importante de la fonction se poserait alors de mat\u00e9riau de surface perturb\u00e9e. Il est \u00e9galement possible que le lander a explos\u00e9 \u00e0 l&rsquo;impact, comme ses r\u00e9servoirs d&rsquo;ergols des propulseurs \u00e9taient probablement encore plein. Ces interpr\u00e9tations pr\u00e9liminaires seront affin\u00e9s suivant une analyse plus approfondie.<\/p><div class=\"1665f18d14f35dd9e7566e1a8ac9a3e9\" data-index=\"2\" style=\"float: none; margin:10px 0 10px 0; text-align:center;\">\n<script async src=\"https:\/\/pagead2.googlesyndication.com\/pagead\/js\/adsbygoogle.js\"><\/script>\r\n<ins class=\"adsbygoogle\"\r\n     style=\"display:block; text-align:center;\"\r\n     data-ad-layout=\"in-article\"\r\n     data-ad-format=\"fluid\"\r\n     data-ad-client=\"ca-pub-2860849627502538\"\r\n     data-ad-slot=\"3019501113\"><\/ins>\r\n<script>\r\n     (adsbygoogle = window.adsbygoogle || []).push({});\r\n<\/script>\n<\/div>\n\n<p style=\"text-align: justify;\">La plupart des donn\u00e9es sur lesquelles ceux-ci doivent travailler seront r\u00e9colt\u00e9es par la sonde en orbite autour de Mars, tandis que, avant de s\u2019\u00e9craser, Schiaparelli a pu transmettre de nombreuses informations sur sa descente vers le sol martien.<\/p>\n<p style=\"text-align: justify;\">Les recherches continuent<\/p>\n<p style=\"text-align: justify;\">D\u2019abord, la sonde europ\u00e9ano-russe TGO s\u2019est bien mise en orbite de Mars mercredi. Le satellite pourra donc examiner comme pr\u00e9vu la composition de l\u2019atmosph\u00e8re de la plan\u00e8te rouge. L\u2019engin utilisera notamment pour ce faire un instrument, Nomad, con\u00e7u par l\u2019Institut d\u2019a\u00e9ronomie spatiale \u00e0 Uccle en Belgique.<\/p>\n<p>Le module Schiaparelli, lui, est certes perdu mais a pu transmettre un tas de donn\u00e9es durant sa descente vers Mars, avant que la communication ne soit coup\u00e9e. Une \u00e9quipe co-dirig\u00e9e par l\u2019ORB va se servir de ces informations <strong>pour reconstituer le profil de densit\u00e9 de l\u2019atmosph\u00e8re de la plan\u00e8te<\/strong>.<\/p>\n<p>\u00ab<em> \u00a0Quasiment rien n\u2019est perdu. Sur les 120 km qui s\u00e9paraient Schiaparelli du sol martien, seul le dernier kilom\u00e8tre est perdu<\/em> \u00a0\u00bb, souligne V\u00e9ronique Dehant.<\/p>\n<p>La station m\u00e9t\u00e9orologique Dreams \u00e0 bord de Schiaparelli, qui devait fournir des indications notamment \u00e0 destination des chercheurs de l\u2019ORB, est en revanche inutilisable.<\/p>\n<p>\u00ab<em> \u00a0Il faut absolument que les missions se poursuivent si l\u2019Europe veut entrer dans la cour des grands<\/em> \u00a0\u00bb, conclut la scientifique, qui esp\u00e8re que le second volet d\u2019ExoMars en 2020 recevra tous les budgets attendus.<\/p>\n<p>source : <a href=\"http:\/\/www.lesoir.be\/\" target=\"_blank\">http:\/\/www.lesoir.be\/<\/a><\/p>\n<p class=\"bawpvc-ajax-counter\" data-id=\"13710\">(334)<\/p>\n<!--CusAds0-->\n<div style=\"font-size: 0px; height: 0px; line-height: 0px; margin: 0; padding: 0; clear: both;\"><\/div>","protected":false},"excerpt":{"rendered":"<p>L\u2019ESA a \u00e9t\u00e9 fix\u00e9e sur son sort gr\u00e2ce \u00e0 une photo prise par la sonde am\u00e9ricaine MRO en orbite autour&#8230;<\/p>\n","protected":false},"author":1,"featured_media":13712,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_exactmetrics_skip_tracking":false,"_exactmetrics_sitenote_active":false,"_exactmetrics_sitenote_note":"","_exactmetrics_sitenote_category":0,"ngg_post_thumbnail":0,"jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"Schiaparelli s\u2019est \u00e9cras\u00e9 sur Mars, et apr\u00e8s ? @laterredufutur","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[22],"tags":[117,123,5172,702],"class_list":["post-13710","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-espace","tag-espace","tag-mars","tag-schiaparelli","tag-sonde","wpcat-22-id"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2016\/10\/site-de-chute-Schiaparelli.jpg?fit=861%2C445&ssl=1","jetpack_shortlink":"https:\/\/wp.me\/p631RN-3z8","jetpack-related-posts":[{"id":13659,"url":"https:\/\/www.laterredufutur.com\/accueil\/exomars-la-mission-qui-peut-tout-changer\/","url_meta":{"origin":13710,"position":0},"title":"Exomars, la mission qui peut tout changer","author":"Admin","date":"16 octobre 2016","format":false,"excerpt":"Ce 16 octobre 2016, \u00e0 16h42, le rover Schiaparelli et l\u2019orbiteur TGO vont se s\u00e9parer. Et trois jours plus tard, l\u2019atterrisseur Schiaparelli se posera sur Mars, tandis que TGO (pour Trace Gas Orbiter) scrutera l\u2019atmosph\u00e8re martienne \u00e0 la recherche de m\u00e9thane. Et si tout se passe comme pr\u00e9vu, \u00e7a sera\u2026","rel":"","context":"Dans &quot;Espace&quot;","block_context":{"text":"Espace","link":"https:\/\/www.laterredufutur.com\/accueil\/sujets\/espace\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2016\/10\/ExoMars-Schiaparelli-lander-ESA.jpg?fit=1024%2C675&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2016\/10\/ExoMars-Schiaparelli-lander-ESA.jpg?fit=1024%2C675&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2016\/10\/ExoMars-Schiaparelli-lander-ESA.jpg?fit=1024%2C675&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2016\/10\/ExoMars-Schiaparelli-lander-ESA.jpg?fit=1024%2C675&ssl=1&resize=700%2C400 2x"},"classes":[]},{"id":11431,"url":"https:\/\/www.laterredufutur.com\/accueil\/exomars-la-mission-pour-la-recherche-de-la-vie\/","url_meta":{"origin":13710,"position":1},"title":"Exomars, la mission pour la recherche de la vie","author":"Admin","date":"14 mars 2016","format":false,"excerpt":"Les Am\u00e9ricains ne seront bient\u00f4t plus seuls sur Mars. Le 19 octobre prochain, une partie du mat\u00e9riel de la mission russo-europ\u00e9enne ExoMars 2016, embarqu\u00e9 \u00e0 bord de la fus\u00e9e Proton qui a d\u00e9coll\u00e9 ce lundi, \u00e0 10h31 (heure de Paris), depuis le cosmodrome de Ba\u00efkonour, devrait atterrir \u00e0 la surface\u2026","rel":"","context":"Dans &quot;Espace&quot;","block_context":{"text":"Espace","link":"https:\/\/www.laterredufutur.com\/accueil\/sujets\/espace\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2016\/03\/exomars-program.jpg?fit=400%2C311&ssl=1&resize=350%2C200","width":350,"height":200},"classes":[]},{"id":9623,"url":"https:\/\/www.laterredufutur.com\/accueil\/conquete-de-mars-la-course-des-robots-est-lancee\/","url_meta":{"origin":13710,"position":2},"title":"Conqu\u00eate de Mars : la course des robots est lanc\u00e9e","author":"Admin","date":"11 d\u00e9cembre 2015","format":false,"excerpt":"Alors que les missions vers la plan\u00e8te rouge se multiplient, l'objectif d'une mission humaine n'a jamais \u00e9t\u00e9 aussi proche. 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D'il y a 40 ans \u00e0\u2026","rel":"","context":"Dans &quot;Espace&quot;","block_context":{"text":"Espace","link":"https:\/\/www.laterredufutur.com\/accueil\/sujets\/espace\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2015\/04\/armstrong.jpg?fit=400%2C307&ssl=1&resize=350%2C200","width":350,"height":200},"classes":[]},{"id":2147,"url":"https:\/\/www.laterredufutur.com\/accueil\/la-sonde-rosetta-en-route-vers-une-comete-plus-etrange-que-prevue\/","url_meta":{"origin":13710,"position":4},"title":"La sonde Rosetta en route vers une com\u00e8te plus \u00e9trange que pr\u00e9vue","author":"Admin","date":"22 juillet 2014","format":false,"excerpt":"Alors que la sonde Rosetta se rapproche de plus en plus de son objectif, les scientifiques de l'Agence spatiale europ\u00e9enne (ESA) ont fait une d\u00e9couverte inattendue : la com\u00e8te Churyumov-Gerasimenko que Rosetta doit \u00e9tudier est compos\u00e9e de deux morceaux distincts. \u00a0","rel":"","context":"Dans &quot;Espace&quot;","block_context":{"text":"Espace","link":"https:\/\/www.laterredufutur.com\/accueil\/sujets\/espace\/"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":17950,"url":"https:\/\/www.laterredufutur.com\/accueil\/lunion-europeenne-spatiale-vise-la-lune-avant-2025\/","url_meta":{"origin":13710,"position":5},"title":"L&rsquo;Union Europ\u00e9enne spatiale vise la Lune \u00abavant 2025\u00bb","author":"Admin","date":"22 janvier 2019","format":false,"excerpt":"L'Agence spatiale europ\u00e9enne et ArianeGroup \u00e9tudient la faisabilit\u00e9 d'une mission lunaire 100% europ\u00e9enne avec atterrisseur et rover, pour exploiter les roches lunaires avant d'y \u00e9tablir une base humaine. 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