{"id":18888,"date":"2019-04-06T16:29:38","date_gmt":"2019-04-06T14:29:38","guid":{"rendered":"https:\/\/www.laterredufutur.com\/accueil\/?p=18888"},"modified":"2019-04-06T16:29:38","modified_gmt":"2019-04-06T14:29:38","slug":"mars-a-connu-des-fleuves-plus-larges-que-le-mississippi-dans-un-passe-lointain","status":"publish","type":"post","link":"https:\/\/www.laterredufutur.com\/accueil\/mars-a-connu-des-fleuves-plus-larges-que-le-mississippi-dans-un-passe-lointain\/","title":{"rendered":"Mars a connu des fleuves plus larges que le Mississippi dans un pass\u00e9 lointain"},"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>Les scientifiques ont d\u00e9couvert que Mars a connu d\u2019\u00e9normes rivi\u00e8res ou fleuves plus larges que le Mississippi qui s\u2019\u00e9coulaient jusqu&rsquo;\u00e0 il y a environ un milliard d\u2019ann\u00e9es. Bien plus-tard la plan\u00e8te rouge a commenc\u00e9 \u00e0 perdre son atmosph\u00e8re, ce qui sugg\u00e8re un \u00ab\u00a0m\u00e9canisme inconnu\u00a0\u00bb de pr\u00e9cipitations, puis le climat s&rsquo;est ass\u00e9ch\u00e9.<\/p>\n<p>Les preuves d\u00e9montrent fortement que Mars avait autrefois de l&rsquo;eau en grande quantit\u00e9 \u00e0 sa surface. Les caract\u00e9ristiques g\u00e9ologiques montrent que la terre martienne a \u00e9t\u00e9 sculpt\u00e9e par des eaux vives. Les rovers de la NASA ont apport\u00e9 des preuves \u00e0 l&rsquo;appui d&rsquo;un ancien climat humide, notamment une roche martienne avec des min\u00e9raux argileux. Les recherches ont montr\u00e9 qu&rsquo;il y a environ 4 milliards d&rsquo;ann\u00e9es, la plan\u00e8te avait suffisamment d&rsquo;eau pour recouvrir sa surface d&rsquo;un oc\u00e9an de 140 m\u00e8tres de profondeur qui aurait recouvert la moiti\u00e9 de l&rsquo;h\u00e9misph\u00e8re nord de Mars.<\/p>\n<p>On pense \u00e9galement que Mars a eu des syst\u00e8mes fluviaux et des inondations majeures qui auraient creus\u00e9 des canyons.<\/p>\n<p><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" data-attachment-id=\"18892\" data-permalink=\"https:\/\/www.laterredufutur.com\/accueil\/mars-a-connu-des-fleuves-plus-larges-que-le-mississippi-dans-un-passe-lointain\/perspective_view_of_libya_montes\/\" data-orig-file=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2019\/04\/Perspective_view_of_Libya_Montes.jpg?fit=800%2C450&amp;ssl=1\" data-orig-size=\"800,450\" 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=\"Perspective_view_of_Libya_Montes\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2019\/04\/Perspective_view_of_Libya_Montes.jpg?fit=800%2C450&amp;ssl=1\" class=\"alignnone size-full wp-image-18892\" src=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2019\/04\/Perspective_view_of_Libya_Montes.jpg?resize=800%2C450&#038;ssl=1\" alt=\"\" width=\"800\" height=\"450\" srcset=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2019\/04\/Perspective_view_of_Libya_Montes.jpg?w=800&amp;ssl=1 800w, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2019\/04\/Perspective_view_of_Libya_Montes.jpg?resize=300%2C169&amp;ssl=1 300w, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2019\/04\/Perspective_view_of_Libya_Montes.jpg?resize=768%2C432&amp;ssl=1 768w, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2019\/04\/Perspective_view_of_Libya_Montes.jpg?resize=580%2C326&amp;ssl=1 580w, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2019\/04\/Perspective_view_of_Libya_Montes.jpg?resize=174%2C98&amp;ssl=1 174w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/p>\n<p>Cependant, l&rsquo;eau a en grande partie disparu lorsque Mars a vu son atmosph\u00e8re dispara\u00eetre. On ne sait pas exactement pourquoi et quand cela s&rsquo;est produit, mais le vent solaire a du souffler l&rsquo;atmosph\u00e8re. Finalement, l&rsquo;eau s&rsquo;est \u00e9vapor\u00e9e dans l&rsquo;espace.<\/p>\n<p>Dans une \u00e9tude publi\u00e9e dans Science Advances, des chercheurs ont men\u00e9 une \u00e9tude compl\u00e8te de Mars pour examiner les anciens fleuves qui existaient auparavant. Ils ont utilis\u00e9 des donn\u00e9es d&rsquo;imagerie pour calculer l&rsquo;intensit\u00e9 du ruissellement des rivi\u00e8res, ainsi que la taille des canaux.<\/p>\n<p>Les r\u00e9sultats ont montr\u00e9 que les rivi\u00e8res de Mars \u00e9taient plus larges que celles trouv\u00e9es sur Terre. \u00ab\u00a0Le plus grand fleuve de notre base de donn\u00e9es a une largeur d&rsquo;environ un kilom\u00e8tre, ce qui est plus large que le Mississippi \u00e0 Saint-Louis\u00a0\u00bb, a d\u00e9clar\u00e9 l&rsquo;auteur de l&rsquo;\u00e9tude, Edwin Kite, de l&rsquo;Universit\u00e9 de Chicago. Le taux de ruissellement, c&rsquo;est-\u00e0-dire la quantit\u00e9 d&rsquo;eau qui entre dans un syst\u00e8me hydrographique, \u00e9tait compris entre 3 et 20 kg par m\u00e8tre carr\u00e9 et par jour. Cela repr\u00e9sente entre 8 et 50 piscines d\u2019eau au kilom\u00e8tre carr\u00e9 par jour.<\/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>La taille du fleuve et le taux de ruissellement ont dur\u00e9 entre 3,6 \u00e0 1 milliard d&rsquo;ann\u00e9es &#8211; et probablement plus longtemps.<\/p>\n<p>\u00abNous nous attendions \u00e0 ce que les fleuves \u00e0 un stade avanc\u00e9 soient plus \u00e9troits (pour une aire de drainage) que les rivi\u00e8res \u00e0 un stade pr\u00e9coce, mais nous n&rsquo;avons trouv\u00e9 aucune preuve. Par cons\u00e9quent, le ruissellement intense caus\u00e9 par le climat a persist\u00e9 de mani\u00e8re surprenante vers la fin de l&rsquo;histoire de Mars \u00bb, a d\u00e9clar\u00e9 Kite.<\/p>\n<p><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" data-attachment-id=\"18889\" data-permalink=\"https:\/\/www.laterredufutur.com\/accueil\/mars-a-connu-des-fleuves-plus-larges-que-le-mississippi-dans-un-passe-lointain\/mars-rivers\/\" data-orig-file=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2019\/04\/mars-rivers.jpg?fit=737%2C737&amp;ssl=1\" data-orig-size=\"737,737\" 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=\"mars-rivers\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2019\/04\/mars-rivers.jpg?fit=737%2C737&amp;ssl=1\" class=\"alignnone size-full wp-image-18889\" src=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2019\/04\/mars-rivers.jpg?resize=737%2C737&#038;ssl=1\" alt=\"\" width=\"737\" height=\"737\" srcset=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2019\/04\/mars-rivers.jpg?w=737&amp;ssl=1 737w, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2019\/04\/mars-rivers.jpg?resize=300%2C300&amp;ssl=1 300w, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2019\/04\/mars-rivers.jpg?resize=144%2C144&amp;ssl=1 144w\" sizes=\"auto, (max-width: 737px) 100vw, 737px\" \/><\/p>\n<p>Cette constatation a plusieurs cons\u00e9quences. Cela pourrait signifier que les dates qui sont actuellement accept\u00e9es de l\u2019existence de ces fleuves et rivi\u00e8res sont erron\u00e9s, que les processus de disparition de l&rsquo;atmosph\u00e8re \u00e0 un stade avanc\u00e9 ont \u00e9t\u00e9 plus rapides que pr\u00e9vu, ou qu&rsquo;un autre m\u00e9canisme permettait des pr\u00e9cipitations dans des conditions de basse atmosph\u00e8re. Lequel de ces trois sc\u00e9narios est le plus probable n&rsquo;est pas encore clair &#8211; et le restera sans autre recherche, a d\u00e9clar\u00e9 Kite.<\/p>\n<p><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" data-attachment-id=\"18890\" data-permalink=\"https:\/\/www.laterredufutur.com\/accueil\/mars-a-connu-des-fleuves-plus-larges-que-le-mississippi-dans-un-passe-lointain\/mars-riviere\/\" data-orig-file=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2019\/04\/mars-riviere.png?fit=1200%2C675&amp;ssl=1\" data-orig-size=\"1200,675\" 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=\"mars-riviere\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2019\/04\/mars-riviere.png?fit=800%2C450&amp;ssl=1\" class=\"alignnone size-full wp-image-18890\" src=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2019\/04\/mars-riviere.png?resize=1200%2C675&#038;ssl=1\" alt=\"\" width=\"1200\" height=\"675\" srcset=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2019\/04\/mars-riviere.png?w=1200&amp;ssl=1 1200w, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2019\/04\/mars-riviere.png?resize=300%2C169&amp;ssl=1 300w, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2019\/04\/mars-riviere.png?resize=768%2C432&amp;ssl=1 768w, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2019\/04\/mars-riviere.png?resize=800%2C450&amp;ssl=1 800w, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2019\/04\/mars-riviere.png?resize=580%2C326&amp;ssl=1 580w, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2019\/04\/mars-riviere.png?resize=174%2C98&amp;ssl=1 174w\" sizes=\"auto, (max-width: 1000px) 100vw, 1000px\" \/><\/p>\n<p>\u00ab\u00a0Le d\u00e9fi est de savoir comment expliquer ce sc\u00e9nario humide pr\u00e9coce de l&rsquo;histoire martienne\u00a0\u00bb, a-t-il d\u00e9clar\u00e9. \u00abMars \u00e9tant plus \u00e9loign\u00e9e du soleil que la Terre, elle devrait \u00eatre g\u00e9n\u00e9ralement plus froide et son atmosph\u00e8re ne devrait pas \u00eatre en mesure de maintenir facilement de l&rsquo;eau liquide. Le fait que cet article et d&rsquo;autres confirment l&rsquo;existence d&rsquo;un cycle hydrologique actif pr\u00e9coce sur Mars montre \u00e0 quel point nous savons peu de choses sur l&rsquo;\u00e9volution du climat martien et, plus important encore, sur l&rsquo;\u00e9volution de son habitabilit\u00e9. \u00a0\u00bb<\/p>\n<p>Adaptation <a href=\"https:\/\/www.laterredufutur.com\/accueil\/\">La Terre du Futur<\/a><\/p>\n<p>Source : <a href=\"https:\/\/www.newsweek.com\/mars-wide-rivers-planet-atmosphere-1377110\" target=\"_blank\" rel=\"noopener noreferrer\">https:\/\/www.newsweek.com<\/a><\/p>\n<p class=\"bawpvc-ajax-counter\" data-id=\"18888\">(328)<\/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>Les scientifiques ont d\u00e9couvert que Mars a connu d\u2019\u00e9normes rivi\u00e8res ou fleuves plus larges que le Mississippi qui s\u2019\u00e9coulaient jusqu&rsquo;\u00e0&#8230;<\/p>\n","protected":false},"author":1,"featured_media":18889,"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":"Mars a connu des fleuves plus larges que le Mississippi dans un pass\u00e9 lointain","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":[333,2727,123,119,2890],"class_list":["post-18888","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-espace","tag-eau","tag-fleuve","tag-mars","tag-nasa","tag-riviere","wpcat-22-id"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2019\/04\/mars-rivers.jpg?fit=737%2C737&ssl=1","jetpack_shortlink":"https:\/\/wp.me\/p631RN-4UE","jetpack-related-posts":[{"id":27638,"url":"https:\/\/www.laterredufutur.com\/accueil\/mars-des-scientifiques-ont-decouvert-a-quel-point-la-planete-rouge-etait-bleue-autrefois\/","url_meta":{"origin":18888,"position":0},"title":"Mars : des scientifiques ont d\u00e9couvert \u00e0 quel point la plan\u00e8te rouge \u00e9tait bleue autrefois","author":"Admin","date":"20 janvier 2026","format":false,"excerpt":"Mars regorge de preuves que la plan\u00e8te rouge \u00e9tait autrefois d'un bleu \u00e9clatant, avec des lacs scintillants , des rivi\u00e8res sinueuses et de vastes oc\u00e9ans . Des scientifiques ont maintenant calcul\u00e9 le niveau de la mer durant la p\u00e9riode la plus humide connue dans l'histoire martienne. En examinant les donn\u00e9es\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\/2026\/01\/mars-planete-bleue.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\/2026\/01\/mars-planete-bleue.jpg?fit=1200%2C675&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2026\/01\/mars-planete-bleue.jpg?fit=1200%2C675&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2026\/01\/mars-planete-bleue.jpg?fit=1200%2C675&ssl=1&resize=700%2C400 2x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2026\/01\/mars-planete-bleue.jpg?fit=1200%2C675&ssl=1&resize=1050%2C600 3x"},"classes":[]},{"id":24525,"url":"https:\/\/www.laterredufutur.com\/accueil\/danciennes-traces-dun-ocean-viennent-detre-decouvertes-sur-mars\/","url_meta":{"origin":18888,"position":1},"title":"D&rsquo;anciennes traces d&rsquo;un oc\u00e9an viennent d&rsquo;\u00eatre d\u00e9couvertes sur Mars","author":"Admin","date":"5 novembre 2022","format":false,"excerpt":"Vous connaissez sans doute l'aspect de la plan\u00e8te Mars s\u00e8che et poussi\u00e9reuse tel qu'il se pr\u00e9sente aujourd'hui, mais des scientifiques ont trouv\u00e9 des preuves de l'existence d'un vaste oc\u00e9an \u00e0 la surface de la plan\u00e8te rouge il y a environ 3,5 milliards d'ann\u00e9es, recouvrant probablement des centaines de milliers de\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\/2022\/11\/rivage-ocean-mars.jpg?fit=1024%2C415&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2022\/11\/rivage-ocean-mars.jpg?fit=1024%2C415&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2022\/11\/rivage-ocean-mars.jpg?fit=1024%2C415&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2022\/11\/rivage-ocean-mars.jpg?fit=1024%2C415&ssl=1&resize=700%2C400 2x"},"classes":[]},{"id":27153,"url":"https:\/\/www.laterredufutur.com\/accueil\/la-nasa-decouvre-un-corail-vieux-de-plusieurs-milliards-dannees-sur-mars\/","url_meta":{"origin":18888,"position":2},"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. Le rover Curiosity de la NASA a envoy\u00e9 des images intrigantes de ce qui ressemble \u00e0 un morceau de corail sur Mars\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\/08\/corail-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\/08\/corail-mars.webp?fit=650%2C366&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2025\/08\/corail-mars.webp?fit=650%2C366&ssl=1&resize=525%2C300 1.5x"},"classes":[]},{"id":22404,"url":"https:\/\/www.laterredufutur.com\/accueil\/les-oceans-de-mars-seraient-caches-sous-sa-surface\/","url_meta":{"origin":18888,"position":3},"title":"Les oc\u00e9ans de Mars seraient cach\u00e9s sous sa surface","author":"Admin","date":"19 avril 2021","format":false,"excerpt":"Les oc\u00e9ans de Mars pourraient ne pas avoir disparus dans l'espace. L'importante quantit\u00e9 d'eau des oc\u00e9ans de Mars a pu rester enfouie sous la cro\u00fbte de Mars selon une nouvelle \u00e9tude. Des travaux ant\u00e9rieurs ont r\u00e9v\u00e9l\u00e9 que Mars \u00e9tait autrefois suffisamment humide pour couvrir toute sa surface avec un oc\u00e9an\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\/06\/mars-water1.jpg?fit=1000%2C1000&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2015\/06\/mars-water1.jpg?fit=1000%2C1000&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2015\/06\/mars-water1.jpg?fit=1000%2C1000&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2015\/06\/mars-water1.jpg?fit=1000%2C1000&ssl=1&resize=700%2C400 2x"},"classes":[]},{"id":22179,"url":"https:\/\/www.laterredufutur.com\/accueil\/leau-de-mars-est-toujours-sur-la-planete\/","url_meta":{"origin":18888,"position":4},"title":"L&rsquo;eau de Mars est toujours sur la plan\u00e8te","author":"Admin","date":"19 mars 2021","format":false,"excerpt":"Une nouvelle \u00e9tude sugg\u00e8re qu\u2019une grande partie de l\u2019eau qui semble avoir disparu de la plan\u00e8te rouge pourrait tr\u00e8s bien avoir \u00e9t\u00e9 absorb\u00e9e par sa cro\u00fbte. Lorsque l'on regarde les images du site d'atterrissage du dernier rover martien de la Nasa, Perseverance, d\u00e9crit comme un ancien lac o\u00f9 se jetait\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\/05\/mars-eau-vie.jpg?fit=1024%2C533&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2019\/05\/mars-eau-vie.jpg?fit=1024%2C533&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2019\/05\/mars-eau-vie.jpg?fit=1024%2C533&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2019\/05\/mars-eau-vie.jpg?fit=1024%2C533&ssl=1&resize=700%2C400 2x"},"classes":[]},{"id":14868,"url":"https:\/\/www.laterredufutur.com\/accueil\/et-si-mars-devenait-habitable-grace-a-un-champ-magnetique-cree-de-toute-piece\/","url_meta":{"origin":18888,"position":5},"title":"Et si Mars devenait habitable gr\u00e2ce \u00e0 un champ magn\u00e9tique cr\u00e9\u00e9 de toute pi\u00e8ce","author":"Admin","date":"10 mars 2017","format":false,"excerpt":"Lors d'un r\u00e9cent colloque de la Nasa, des chercheurs ont propos\u00e9 une id\u00e9e ing\u00e9nieuse pour terraformer Mars : cr\u00e9er un bouclier magn\u00e9tique artificiel pour supprimer l'\u00e9rosion de son atmosph\u00e8re. Bien que situ\u00e9e dans la zone d'habitabilit\u00e9 du Soleil, Mars est diff\u00e9rente de la Terre. La pression de son atmosph\u00e8re est\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\/2017\/03\/mars-magnetisme.jpg?fit=630%2C329&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2017\/03\/mars-magnetisme.jpg?fit=630%2C329&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2017\/03\/mars-magnetisme.jpg?fit=630%2C329&ssl=1&resize=525%2C300 1.5x"},"classes":[]}],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/posts\/18888","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/comments?post=18888"}],"version-history":[{"count":1,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/posts\/18888\/revisions"}],"predecessor-version":[{"id":18893,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/posts\/18888\/revisions\/18893"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/media\/18889"}],"wp:attachment":[{"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/media?parent=18888"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/categories?post=18888"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/tags?post=18888"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}