{"id":10900,"date":"2016-02-03T20:56:42","date_gmt":"2016-02-03T19:56:42","guid":{"rendered":"http:\/\/www.laterredufutur.com\/accueil\/?p=10900"},"modified":"2016-02-03T20:56:42","modified_gmt":"2016-02-03T19:56:42","slug":"des-formations-pourraient-suggerer-lexistence-de-vie-sur-mars","status":"publish","type":"post","link":"https:\/\/www.laterredufutur.com\/accueil\/des-formations-pourraient-suggerer-lexistence-de-vie-sur-mars\/","title":{"rendered":"Des formations pourraient sugg\u00e9rer l&rsquo;existence de vie sur Mars"},"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;\">D&rsquo;\u00e9tranges formations observ\u00e9es sur Mars par le rover de la NASA, Spirit, pourraient \u00eatre le signe de l&rsquo;existence pass\u00e9e de vie. Ces d\u00e9p\u00f4ts min\u00e9raux ressembleraient fortement \u00e0 des formations rep\u00e9r\u00e9es sur Terre et cr\u00e9\u00e9es par des micro-organismes.<\/p>\n<p style=\"text-align: justify;\">Y a-t-il un jour eu de la vie sur Mars ? Cette question fascine depuis des d\u00e9cennies les scientifiques qui scrutent ainsi le moindre \u00e9l\u00e9ment d\u00e9tect\u00e9 \u00e0 la surface de la plan\u00e8te rouge. Si Curiosity a fait des d\u00e9couvertes majeures au cours des derni\u00e8res ann\u00e9es, c&rsquo;est aujourd&rsquo;hui un autre rover qui fait parler de lui, Spirit.<\/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;\">En 2008, le robot d\u00e9sormais disparu, a rep\u00e9r\u00e9 d&rsquo;\u00e9tranges formations \u00e0 l&rsquo;int\u00e9rieur du crat\u00e8re de Gusev sur Mars. \u00c0 l&rsquo;\u00e9poque, les scientifiques n&rsquo;avaient aucune id\u00e9e de ce qui avait pu former ces d\u00e9p\u00f4ts de silice opaline, \u00e0 la forme \u00e9trange de chou-fleur. En d\u00e9cembre dernier, deux scientifiques de l&rsquo;Universit\u00e9 de l&rsquo;Arizona aux \u00c9tats-Unis ont pr\u00e9sent\u00e9 une nouvelle th\u00e9orie. A une r\u00e9union de l&rsquo;American Geophysical Union, Steven Ruff et son coll\u00e8gue Jack Farmer ont expliqu\u00e9 que les d\u00e9p\u00f4ts pourraient peut-\u00eatre apporter des preuves de l&rsquo;existence de vie pass\u00e9e sur Mars.<\/p>\n<p style=\"text-align: justify;\">Des formations similaires sur Mars et la Terre Plus pr\u00e9cis\u00e9ment, les deux chercheurs s&rsquo;interrogent sur la possibilit\u00e9 que ces formations de silice soient li\u00e9es \u00e0 la pr\u00e9sence de micro-organismes sur Mars. Pour en arriver \u00e0 une telle hypoth\u00e8se, ils ont men\u00e9 leur \u00e9tude non pas sur la plan\u00e8te rouge mais sur Terre.<\/p>\n<p>source : <a href=\"http:\/\/www.maxisciences.com\/mars\/de-mysterieuses-formations-pourraient-suggerer-l-039-existence-de-vie-sur-mars_art37147.html\" target=\"_blank\">http:\/\/www.maxisciences.com\/<\/a><\/p>\n<p class=\"bawpvc-ajax-counter\" data-id=\"10900\">(461)<\/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>D&rsquo;\u00e9tranges formations observ\u00e9es sur Mars par le rover de la NASA, Spirit, pourraient \u00eatre le signe de l&rsquo;existence pass\u00e9e de&#8230;<\/p>\n","protected":false},"author":1,"featured_media":1138,"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":"Des formations pourraient sugg\u00e9rer l'existence de vie sur #Mars @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":[123,119,121,702,363,308],"class_list":["post-10900","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-espace","tag-mars","tag-nasa","tag-planete","tag-sonde","tag-systeme-solaire","tag-vie","wpcat-22-id"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2012\/11\/mars5.jpg?fit=450%2C255&ssl=1","jetpack_shortlink":"https:\/\/wp.me\/p631RN-2PO","jetpack-related-posts":[{"id":23151,"url":"https:\/\/www.laterredufutur.com\/accueil\/le-rover-perseverance-confirme-lexistence-dun-ancien-lac-avec-un-systeme-fluvial-sur-mars\/","url_meta":{"origin":10900,"position":0},"title":"Le rover Pers\u00e9v\u00e9rance confirme l&rsquo;existence d&rsquo;un ancien lac avec un syst\u00e8me fluvial sur Mars","author":"Admin","date":"11 octobre 2021","format":false,"excerpt":"Les nouveaux r\u00e9sultats aideront les membres de l'\u00e9quipe de la mission \u00e0 planifier les prochains d\u00e9placements du rover. La NASA a judicieusement choisi le site d'atterrissage de son rover martien Pers\u00e9v\u00e9rance, qui est \u00e0 la recherche de la vie. Pers\u00e9v\u00e9rance s'est pos\u00e9 en f\u00e9vrier 2021 sur le sol du crat\u00e8re\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\/2021\/10\/lac-mars-2.jpg?fit=1200%2C575&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2021\/10\/lac-mars-2.jpg?fit=1200%2C575&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2021\/10\/lac-mars-2.jpg?fit=1200%2C575&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2021\/10\/lac-mars-2.jpg?fit=1200%2C575&ssl=1&resize=700%2C400 2x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2021\/10\/lac-mars-2.jpg?fit=1200%2C575&ssl=1&resize=1050%2C600 3x"},"classes":[]},{"id":27473,"url":"https:\/\/www.laterredufutur.com\/accueil\/mars-fut-habitable-plus-longtemps-quon-ne-le-pensait-selon-une-nouvelle-etude\/","url_meta":{"origin":10900,"position":1},"title":"Mars fut habitable plus longtemps qu&rsquo;on ne le pensait, selon une nouvelle \u00e9tude","author":"Admin","date":"29 novembre 2025","format":false,"excerpt":"Il existe un consensus scientifique selon lequel de l'eau a coul\u00e9 sur Mars et que son atmosph\u00e8re \u00e9tait plus dense, ce qui signifie qu'elle \u00e9tait autrefois habitable. Malheureusement, il y a environ 4,2 \u00e0 3,7 milliards d'ann\u00e9es, les rivi\u00e8res, les lacs et l'oc\u00e9an global de Mars ont commenc\u00e9 \u00e0 dispara\u00eetre\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\/2025\/11\/mars-couvert-deau.jpg?fit=1200%2C675&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2025\/11\/mars-couvert-deau.jpg?fit=1200%2C675&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2025\/11\/mars-couvert-deau.jpg?fit=1200%2C675&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2025\/11\/mars-couvert-deau.jpg?fit=1200%2C675&ssl=1&resize=700%2C400 2x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2025\/11\/mars-couvert-deau.jpg?fit=1200%2C675&ssl=1&resize=1050%2C600 3x"},"classes":[]},{"id":24926,"url":"https:\/\/www.laterredufutur.com\/accueil\/un-rover-chinois-decouvre-des-preuves-deau-liquide-sur-mars\/","url_meta":{"origin":10900,"position":2},"title":"Un rover chinois d\u00e9couvre des preuves d&rsquo;eau liquide sur Mars","author":"Admin","date":"2 mai 2023","format":false,"excerpt":"Cette d\u00e9couverte pourrait fournir des \"indices cl\u00e9s concernant la recherche future de la vie\". 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Il a atterri sur la plan\u00e8te Mars le 25 janvier 2004 dans la r\u00e9gion \u00e9quatoriale de Terra Meridiani, soit 21 jours apr\u00e8s son jumeau Spirit de l'autre c\u00f4t\u00e9 de la plan\u00e8te. Le rover Opportunity,\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\/2019\/02\/endurance_large-min.jpg?fit=720%2C405&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2019\/02\/endurance_large-min.jpg?fit=720%2C405&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2019\/02\/endurance_large-min.jpg?fit=720%2C405&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2019\/02\/endurance_large-min.jpg?fit=720%2C405&ssl=1&resize=700%2C400 2x"},"classes":[]},{"id":27523,"url":"https:\/\/www.laterredufutur.com\/accueil\/des-roches-etrangement-blanchies-sur-mars-laissent-supposer-que-la-planete-rouge-etait-autrefois-une-oasis-tropicale\/","url_meta":{"origin":10900,"position":4},"title":"Des roches \u00e9trangement blanchies sur Mars laissent supposer que la plan\u00e8te rouge \u00e9tait autrefois une oasis tropicale","author":"Admin","date":"7 d\u00e9cembre 2025","format":false,"excerpt":"Des roches d'argile blanchies trouv\u00e9es \u00e0 la surface de Mars sugg\u00e8rent que la plan\u00e8te rouge a autrefois connu de fortes pr\u00e9cipitations et un climat tropical, selon de nouvelles observations de Perseverance. Mars abritait autrefois des zones humides et pluvieuses, semblables aux r\u00e9gions tropicales de la Terre, selon une nouvelle \u00e9tude\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\/2025\/12\/roche-blanche-mars.webp?fit=650%2C366&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2025\/12\/roche-blanche-mars.webp?fit=650%2C366&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2025\/12\/roche-blanche-mars.webp?fit=650%2C366&ssl=1&resize=525%2C300 1.5x"},"classes":[]},{"id":27153,"url":"https:\/\/www.laterredufutur.com\/accueil\/la-nasa-decouvre-un-corail-vieux-de-plusieurs-milliards-dannees-sur-mars\/","url_meta":{"origin":10900,"position":5},"title":"La NASA d\u00e9couvre un \u00ab corail \u00bb vieux de plusieurs milliards d&rsquo;ann\u00e9es sur Mars","author":"Admin","date":"12 ao\u00fbt 2025","format":false,"excerpt":"Le rover Curiosity de la NASA a pris des images en noir et blanc d'un rocher sur la surface martienne qui ressemble remarquablement \u00e0 un morceau de corail. 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