{"id":204961,"date":"2021-02-25T22:37:26","date_gmt":"2021-02-25T21:37:26","guid":{"rendered":"https:\/\/www.realites.com.tn\/?p=204961"},"modified":"2021-02-25T22:37:26","modified_gmt":"2021-02-25T21:37:26","slug":"la-nasa-publie-un-panoramique-de-la-planete-mars-realise-par-perseverance","status":"publish","type":"post","link":"https:\/\/realites.com.tn\/fr\/la-nasa-publie-un-panoramique-de-la-planete-mars-realise-par-perseverance\/","title":{"rendered":"La Nasa publie un panoramique de la plan\u00e8te Mars r\u00e9alis\u00e9 par Perseverance"},"content":{"rendered":"

Une semaine apr\u00e8s l’atterrissage sur Mars du rover de la Nasa, Perseverance, l’agence spatiale am\u00e9ricaine a d\u00e9voil\u00e9, mercredi, une photo panoramique\u00a0de la plan\u00e8te rouge. Sur le clich\u00e9, on aper\u00e7oit la cr\u00eate du crat\u00e8re de Jezero, qui aurait, selon les scientifiques,\u00a0contenu un lac, il y a environ 3,5 milliards d’ann\u00e9es.<\/em><\/p>\n

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C’est une prouesse technologique. La Nasa a publi\u00e9, mercredi 24 f\u00e9vrier, une spectaculaire photo panoramique de Mars prise par Perseverance sur la zone o\u00f9 <\/span>le rover a atterri la semaine derni\u00e8re.<\/span><\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n

La photo, reconstitu\u00e9e \u00e0 partir de plusieurs clich\u00e9s pris par le v\u00e9hicule, montre la cr\u00eate du crat\u00e8re de Jezero, qui a contenu selon les scientifiques un profond lac dans lequel se jetait une rivi\u00e8re il y a environ 3,5 milliards d’ann\u00e9es.<\/p>\n

\"\"

Le rover a r\u00e9alis\u00e9 142 clich\u00e9s \u00e0 360 degr\u00e9s avec les appareils haute-d\u00e9finition install\u00e9s sur son m\u00e2t.<\/p><\/div>\n

\u00ab\u00a0<\/span>Nous sommes install\u00e9s sur un tr\u00e8s bon site, d’o\u00f9 on peut voir des caract\u00e9ristiques tr\u00e8s similaires \u00e0 celles trouv\u00e9es par Spirit, Opportunity et Curiosity (trois rovers ayant pr\u00e9c\u00e9d\u00e9 Perseverance sur la plan\u00e8te rouge) sur leur zone d’atterrissage<\/em>\u00ab\u00a0, s’est r\u00e9joui Jim Bell, de l’Universit\u00e9 de l’Arizona.<\/span>
\nL’agence spatiale am\u00e9ricaine a comme but explicite de trouver des traces de vie ancienne sur la plan\u00e8te rouge<\/span>, en collectant pendant au moins deux ans jusqu’\u00e0 une trentaine d’\u00e9chantillons de roche.
\n<\/span>Les cam\u00e9ras de Perseverance aideront les scientifiques \u00e0\u00a0d\u00e9terminer l’histoire g\u00e9ologique et les conditions atmosph\u00e9riques du crat\u00e8re, et identifier les rochers et les s\u00e9diments qui seront pr\u00e9lev\u00e9s avant d’\u00eatre transport\u00e9s sur Terre lors d’une future mission, pr\u00e9vue dans les ann\u00e9es 2030.
\nLa Nasa avait d\u00e9j\u00e0 diffus\u00e9, lundi, deux documents exceptionnels captur\u00e9s par son rover, une spectaculaire vid\u00e9o de son atterrissage enregistr\u00e9e sous tous les angles, et le son d’une bourrasque de vent martien, premier audio enregistr\u00e9 sur la plan\u00e8te rouge par un micro.<\/p>\n

(France24 avec AFP)<\/em><\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"

Une semaine apr\u00e8s l’atterrissage sur Mars du rover de la Nasa, Perseverance, l’agence spatiale am\u00e9ricaine a d\u00e9voil\u00e9, mercredi, une photo panoramique\u00a0de la plan\u00e8te rouge. Sur le clich\u00e9, on aper\u00e7oit la…<\/p>\n","protected":false},"author":60,"featured_media":204963,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_lmt_disableupdate":"","_lmt_disable":"","_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[7],"tags":[],"class_list":["post-204961","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-monde"],"yoast_head":"\nLa Nasa publie un panoramique de la plan\u00e8te Mars r\u00e9alis\u00e9 par Perseverance - R\u00e9alit\u00e9s Magazine<\/title>\n<meta name=\"description\" content=\"Une semaine apr\u00e8s l'atterrissage sur Mars du rover de la Nasa, Perseverance, l'agence spatiale am\u00e9ricaine a d\u00e9voil\u00e9, mercredi, une photo panoramique\u00a0de la\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/realites.com.tn\/fr\/la-nasa-publie-un-panoramique-de-la-planete-mars-realise-par-perseverance\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"La Nasa publie un panoramique de la plan\u00e8te Mars r\u00e9alis\u00e9 par Perseverance - 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