{"id":57921,"date":"2024-01-21T15:11:15","date_gmt":"2024-01-21T15:11:15","guid":{"rendered":"https:\/\/www.africa-press.net\/tchad\/politique\/la-nasa-a-retabli-le-contact-avec-son-helicoptere-sur-mars"},"modified":"2024-01-21T16:57:09","modified_gmt":"2024-01-21T16:57:09","slug":"la-nasa-a-retabli-le-contact-avec-son-helicoptere-sur-mars","status":"publish","type":"post","link":"https:\/\/www.africa-press.net\/tchad\/toutes-les-actualites\/la-nasa-a-retabli-le-contact-avec-son-helicoptere-sur-mars","title":{"rendered":"La Nasa a r\u00e9tabli le contact avec son h\u00e9licopt\u00e8re sur Mars"},"content":{"rendered":"

Africa-Press – Tchad. <\/strong><\/span>La NASA a re\u0301tabli le contact avec son petit he\u0301licopte\u0300re nomme\u0301 Ingenuity sur Mars, a annonce\u0301 samedi l’agence spatiale, apre\u0300s une panne inattendue qui avait fait craindre la fin de l’engin.<\/p>\n

L’he\u0301licopte\u0300re, qui ressemble a\u0300 un gros drone, e\u0301tait devenu en 2021 le premier appareil motorise\u0301 a\u0300 effectuer un vol sur une autre plane\u0300te.<\/p>\n

Il e\u0301tait arrive\u0301 sur Mars avec le rover Perseverance, qui sert de relais pour transmettre les donne\u0301es entre l’he\u0301licopte\u0300re et la Terre et dont la mission est de chercher des traces de vie ancienne sur Mars.<\/p>\n

Les communications entre l’he\u0301licopte\u0300re et le rover ont e\u0301te\u0301 soudainement interrompues jeudi lors du 72e vol d’Ingenuity.<\/p>\n

\u00ab\u00a0Bonne nouvelle aujourd’hui\u00a0\u00bb, a e\u0301crit samedi en fin de journe\u0301e le Jet Propulsion Laboratory (JPL) de la Nasa, en charge de l’engin, sur X (ex-Twitter).<\/p>\n

L’agence a indique\u0301 que le contact avait finalement e\u0301te\u0301 e\u0301tabli avec l’he\u0301licopte\u0300re en ordonnant a\u0300 Perseverance \u00ab\u00a0d’effectuer des sessions d’e\u0301coute de longue dure\u0301e pour capter le signal d’Ingenuity\u00a0\u00bb.<\/p>\n

L’e\u0301quipe en charge de l’he\u0301licopte\u0300re \u00ab\u00a0examine les nouvelles donne\u0301es afin de mieux comprendre l’interruption inattendue des communications pendant le vol 72\u00a0\u00bb, a-t-elle ajoute\u0301.<\/p>\n

La NASA a pre\u0301ce\u0301demment explique\u0301 que le vol de jeudi visait a\u0300 \u00ab\u00a0ve\u0301rifier les syste\u0300mes de l’he\u0301licopte\u0300re, apre\u0300s un atterrissage plus to\u0302t que pre\u0301vu durant le vol pre\u0301ce\u0301dent\u00a0\u00bb.<\/p>\n

Ingenuity avait atteint une altitude de 12 me\u0300tres, a explique\u0301 la Nasa dans ce message publie\u0301 vendredi soir, mais \u00ab\u00a0durant sa descente, les communications entre l’he\u0301licopte\u0300re et le rover se sont termine\u0301es plus to\u0302t, avant l’atterrissage\u00a0\u00bb.<\/p>\n

Sur X, le JPL avait fait savoir vendredi que le rover Perseverance ne pouvait pas voir Ingenuity, mais que ses e\u0301quipes \u00ab\u00a0pourraient conside\u0301rer rouler plus pre\u0300s pour une inspection visuelle\u00a0\u00bb.<\/p>\n

La Nasa a de\u0301ja\u0300 momentane\u0301ment perdu le contact avec l’he\u0301licopte\u0300re par le passe\u0301, notamment pour une longue pe\u0301riode d’environ deux mois l’anne\u0301e dernie\u0300re.<\/p>\n

Ingenuity, qui ne pe\u0300se que 1,8 kg, n’e\u0301tait a\u0300 l’origine cense\u0301 de\u0301coller que cinq fois, mais la mission a de\u0301passe\u0301 toutes les attentes.<\/p>\n

Au total, l’he\u0301licopte\u0300re a parcouru quelque 17 kilome\u0300tres, et vole\u0301 jusqu’a\u0300 une altitude de 24 me\u0300tres.<\/p>\n

Sa longe\u0301vite\u0301 est remarquable, notamment sachant qu’il doit survivre aux nuits glaciales martiennes, en se re\u0301chauffant gra\u0302ce a\u0300 des panneaux solaires chargeant ses batteries la journe\u0301e.<\/p>\n

En collaboration avec Perse\u0301ve\u0301rance, il a joue\u0301 le ro\u0302le d’e\u0301claireur ae\u0301rien pour aider son compagnon a\u0300 roues a\u0300 rechercher d’e\u0301ventuels signes d’une vie microbienne ancienne.<\/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. La NASA a re\u0301tabli le contact avec son petit he\u0301licopte\u0300re nomme\u0301 Ingenuity sur Mars, a annonce\u0301 samedi l’agence spatiale, apre\u0300s une panne inattendue qui avait fait craindre la fin de l’engin. L’he\u0301licopte\u0300re, qui ressemble a\u0300 un gros drone, e\u0301tait devenu en 2021 le premier appareil motorise\u0301 a\u0300 effectuer un vol sur une […]<\/p>\n","protected":false},"author":82,"featured_media":57920,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[22,10],"tags":[37,292,29],"class_list":["post-57921","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-divers","category-toutes-les-actualites","tag-africa-press","tag-africa-press-tchad","tag-tchad"],"yoast_head":"\nLa Nasa a r\u00e9tabli le contact avec son h\u00e9licopt\u00e8re sur Mars - tchad<\/title>\n<meta name=\"description\" content=\"La NASA a re\u0301tabli le contact avec son petit he\u0301licopte\u0300re nomme\u0301 Ingenuity sur Mars, a annonce\u0301 samedi l'agence spatial ...\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.africa-press.net\/tchad\/toutes-les-actualites\/la-nasa-a-retabli-le-contact-avec-son-helicoptere-sur-mars\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"La Nasa a r\u00e9tabli le contact avec son h\u00e9licopt\u00e8re sur Mars\" \/>\n<meta property=\"og:description\" content=\"La NASA a re\u0301tabli le contact avec son petit he\u0301licopte\u0300re nomme\u0301 Ingenuity sur Mars, a annonce\u0301 samedi l'agence spatial ...\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.africa-press.net\/tchad\/toutes-les-actualites\/la-nasa-a-retabli-le-contact-avec-son-helicoptere-sur-mars\" \/>\n<meta property=\"og:site_name\" content=\"tchad\" \/>\n<meta property=\"article:published_time\" content=\"2024-01-21T15:11:15+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2024-01-21T16:57:09+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/static.africa-press.net\/tchad\/sites\/41\/2024\/01\/sm_1705838103.189881.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1200\" \/>\n\t<meta property=\"og:image:height\" content=\"900\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"cfeditorfr\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u00c9crit par\" \/>\n\t<meta name=\"twitter:data1\" content=\"cfeditorfr\" \/>\n\t<meta name=\"twitter:label2\" content=\"Dur\u00e9e de lecture estim\u00e9e\" \/>\n\t<meta name=\"twitter:data2\" content=\"3 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/www.africa-press.net\/tchad\/toutes-les-actualites\/la-nasa-a-retabli-le-contact-avec-son-helicoptere-sur-mars#article\",\"isPartOf\":{\"@id\":\"https:\/\/www.africa-press.net\/tchad\/toutes-les-actualites\/la-nasa-a-retabli-le-contact-avec-son-helicoptere-sur-mars\"},\"author\":{\"name\":\"cfeditorfr\",\"@id\":\"https:\/\/www.africa-press.net\/tchad\/#\/schema\/person\/2b1cf3cd81a31e3cd26889ca66d677f1\"},\"headline\":\"La Nasa a r\u00e9tabli le contact avec son h\u00e9licopt\u00e8re sur Mars\",\"datePublished\":\"2024-01-21T15:11:15+00:00\",\"dateModified\":\"2024-01-21T16:57:09+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/www.africa-press.net\/tchad\/toutes-les-actualites\/la-nasa-a-retabli-le-contact-avec-son-helicoptere-sur-mars\"},\"wordCount\":514,\"commentCount\":0,\"image\":{\"@id\":\"https:\/\/www.africa-press.net\/tchad\/toutes-les-actualites\/la-nasa-a-retabli-le-contact-avec-son-helicoptere-sur-mars#primaryimage\"},\"thumbnailUrl\":\"https:\/\/static.africa-press.net\/tchad\/sites\/41\/2024\/01\/sm_1705838103.189881.jpg\",\"keywords\":[\"Africa Press\",\"Africa Press-Tchad\",\"Tchad\"],\"articleSection\":[\"Divers\",\"Toutes les actualit\u00e9s\"],\"inLanguage\":\"fr-FR\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\/\/www.africa-press.net\/tchad\/toutes-les-actualites\/la-nasa-a-retabli-le-contact-avec-son-helicoptere-sur-mars#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.africa-press.net\/tchad\/toutes-les-actualites\/la-nasa-a-retabli-le-contact-avec-son-helicoptere-sur-mars\",\"url\":\"https:\/\/www.africa-press.net\/tchad\/toutes-les-actualites\/la-nasa-a-retabli-le-contact-avec-son-helicoptere-sur-mars\",\"name\":\"La Nasa a r\u00e9tabli le contact avec son h\u00e9licopt\u00e8re sur Mars - 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