{"id":26405,"date":"2024-11-19T12:00:07","date_gmt":"2024-11-19T11:00:07","guid":{"rendered":"https:\/\/www.laterredufutur.com\/accueil\/?p=26405"},"modified":"2024-11-18T08:54:35","modified_gmt":"2024-11-18T07:54:35","slug":"decouverte-de-traces-dun-littoral-dun-ancien-ocean-sur-mars","status":"publish","type":"post","link":"https:\/\/www.laterredufutur.com\/accueil\/decouverte-de-traces-dun-littoral-dun-ancien-ocean-sur-mars\/","title":{"rendered":"D\u00e9couverte de traces d&rsquo;un littoral d&rsquo;un ancien oc\u00e9an 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>Des chercheurs chinois utilisant les donn\u00e9es du rover Zhurong ont affirm\u00e9 avoir identifi\u00e9 la trace du littoral de l\u2019ancien oc\u00e9an qui se serait trouv\u00e9 sur Mars il y a plus de trois milliards d\u2019ann\u00e9es.<\/p>\n<p>Mars n\u2019aurait pas toujours \u00e9t\u00e9 cette plan\u00e8te aride et inhospitali\u00e8re. C\u2019est en tout cas ce que tend \u00e0 montrer une \u00e9quipe de chercheurs dans une \u00e9tude publi\u00e9e jeudi 7 novembre dans la revue Nature. D\u2019apr\u00e8s l\u2019analyse des donn\u00e9es r\u00e9colt\u00e9es par le rover chinois Zhurong, la sonde spatiale Tianwen 1 et la sonde Mars Reconnaissance Orbiter de la NASA, la Plan\u00e8te rouge abritait autrefois un vaste oc\u00e9an. Son ancien littoral aurait d\u2019ailleurs \u00e9t\u00e9 justement identifi\u00e9.<\/p>\n<p>Des traces significatives<br \/>\nPour arriver \u00e0 ces r\u00e9sultats, le rover Zhurong a explor\u00e9 \u00e0 partir de son atterrissage en 2021 une plaine nomm\u00e9e Utopia Planitia qui se trouve dans l\u2019h\u00e9misph\u00e8re nord de Mars. Des indices d\u2019eau ancienne y avaient d\u00e9j\u00e0 \u00e9t\u00e9 rep\u00e9r\u00e9s. Les nouvelles observations viendraient confirmer la pr\u00e9sence de creux, de canaux de s\u00e9dimentation et de volcans de boue, qui sont autant de formations que l\u2019on retrouve dans des zones o\u00f9 il avait de l\u2019eau et de la glace, souligne Reuters.<\/p>\n<p>Plus encore, les donn\u00e9es sugg\u00e8rent qu\u2019un littoral se trouvait jadis \u00e0 cet endroit. Dans le d\u00e9tail, d\u2019apr\u00e8s les estimations des chercheurs, l\u2019oc\u00e9an aurait \u00e9t\u00e9 cr\u00e9\u00e9 par des inondations il y a 3,68 milliards d\u2019ann\u00e9es, peut-\u00eatre \u00e0 une \u00e9poque o\u00f9 notre voisine s\u2019\u00e9tait d\u00e9j\u00e0 refroidie et ass\u00e9ch\u00e9e et avait perdu une grande partie de son atmosph\u00e8re. L\u2019\u00e9tendue d\u2019eau aurait d\u2019ailleurs fini par geler, dessinant le littoral sugg\u00e9r\u00e9, avant de dispara\u00eetre il y a 3,42 milliards d\u2019ann\u00e9es. On \u00ab ne pr\u00e9tend pas que nos r\u00e9sultats prouvent d\u00e9finitivement l\u2019existence d\u2019un oc\u00e9an sur Mars \u00bb, a toutefois temp\u00e9r\u00e9 Bo Wu de l\u2019universit\u00e9 polytechnique de Hong Kong, auteur principal de l\u2019\u00e9tude.<\/p>\n<figure id=\"attachment_26406\" aria-describedby=\"caption-attachment-26406\" style=\"width: 1280px\" class=\"wp-caption alignnone\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" data-attachment-id=\"26406\" data-permalink=\"https:\/\/www.laterredufutur.com\/accueil\/decouverte-de-traces-dun-littoral-dun-ancien-ocean-sur-mars\/image-prise-par-le-rover-chinois-zhurong-sur-la-surface-de-mars\/\" data-orig-file=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2024\/11\/Image-prise-par-le-rover-chinois-Zhurong-sur-la-surface-de-Mars.jpg?fit=1280%2C778&amp;ssl=1\" data-orig-size=\"1280,778\" 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=\"Image prise par le rover chinois Zhurong sur la surface de Mars.\" data-image-description=\"\" data-image-caption=\"&lt;p&gt;Image prise par le rover chinois Zhurong sur la surface de Mars.&lt;\/p&gt;\n\" data-large-file=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2024\/11\/Image-prise-par-le-rover-chinois-Zhurong-sur-la-surface-de-Mars.jpg?fit=800%2C486&amp;ssl=1\" src=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2024\/11\/Image-prise-par-le-rover-chinois-Zhurong-sur-la-surface-de-Mars.jpg?resize=1280%2C778&#038;ssl=1\" alt=\"\" width=\"1280\" height=\"778\" class=\"size-full wp-image-26406\" srcset=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2024\/11\/Image-prise-par-le-rover-chinois-Zhurong-sur-la-surface-de-Mars.jpg?w=1280&amp;ssl=1 1280w, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2024\/11\/Image-prise-par-le-rover-chinois-Zhurong-sur-la-surface-de-Mars.jpg?resize=300%2C182&amp;ssl=1 300w, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2024\/11\/Image-prise-par-le-rover-chinois-Zhurong-sur-la-surface-de-Mars.jpg?resize=800%2C486&amp;ssl=1 800w, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2024\/11\/Image-prise-par-le-rover-chinois-Zhurong-sur-la-surface-de-Mars.jpg?resize=768%2C467&amp;ssl=1 768w\" sizes=\"auto, (max-width: 1000px) 100vw, 1000px\" \/><figcaption id=\"caption-attachment-26406\" class=\"wp-caption-text\">Image prise par le rover chinois Zhurong sur la surface de Mars.<\/figcaption><\/figure>\n<p>Des r\u00e9sultats d\u00e9battus<br \/>\nCes nouvelles analyses semblent donc apporter des preuves suppl\u00e9mentaires au sujet de l\u2019\u00e9ventualit\u00e9 d\u2019un oc\u00e9an martien, et fournissent m\u00eame un sc\u00e9nario d\u2019\u00e9volution probable. Cependant, les r\u00e9sultats de l\u2019\u00e9quipe n\u2019ont pas fait l\u2019unanimit\u00e9 aupr\u00e8s de la communaut\u00e9 scientifique. Benjamin Cardenas, de l\u2019universit\u00e9 d\u2019\u00c9tat de Pennsylvanie (USA), s\u2019est par exemple dit \u00ab sceptique \u00bb, estimant que les vents martiens ont d\u00e9truit toutes traces d\u2019un potentiel littoral. Pour Bo Wu, il pourrait n\u00e9anmoins s\u2019agir de roches excav\u00e9es plus r\u00e9cemment \u00e0 la suite d\u2019une chute de m\u00e9t\u00e9orites, indique le site Phys.org.<\/p>\n<p>La c\u00f4te change constamment<br \/>\nBenjamin Cardenas, un scientifique qui a analys\u00e9 d&rsquo;autres preuves de l&rsquo;existence d&rsquo;un oc\u00e9an martien, a d\u00e9clar\u00e9 \u00e0 l&rsquo;AFP qu&rsquo;il \u00e9tait \u00ab sceptique \u00bb \u00e0 l&rsquo;\u00e9gard de cette nouvelle \u00e9tude.<br \/>\nIl estime que les chercheurs n&rsquo;ont pas suffisamment pris en compte l&rsquo;ampleur du vent martien qui a d\u00e9plac\u00e9 les s\u00e9diments et us\u00e9 les roches au cours des derniers milliards d&rsquo;ann\u00e9es.<br \/>\n\u00ab Nous avons tendance \u00e0 penser que Mars n&rsquo;est pas tr\u00e8s active, comme la lune, mais elle est active \u00bb, a d\u00e9clar\u00e9 M. Cardenas, de l&rsquo;universit\u00e9 d&rsquo;\u00c9tat de Pennsylvanie, aux \u00c9tats-Unis.<\/p>\n<p>Il a fait r\u00e9f\u00e9rence \u00e0 des recherches pass\u00e9es<br \/>\nIl a rappel\u00e9 que des recherches ant\u00e9rieures sur la m\u00e9t\u00e9orologie sugg\u00e9raient que \u00ab m\u00eame les taux d&rsquo;\u00e9rosion martiens les plus lents \u00bb d\u00e9truiraient les signes d&rsquo;un littoral sur une p\u00e9riode aussi longue.<br \/>\nBo reconna\u00eet que le vent a pu user certaines roches, mais il ajoute que l&rsquo;impact des m\u00e9t\u00e9orites sur Mars peut \u00e9galement \u00ab excaver des roches et des s\u00e9diments souterrains \u00e0 la surface de temps en temps \u00bb. Bien que la th\u00e9orie g\u00e9n\u00e9rale reste controvers\u00e9e, M. Cardenas a d\u00e9clar\u00e9 qu&rsquo;il avait tendance \u00e0 \u00ab penser qu&rsquo;il y avait un oc\u00e9an sur Mars \u00bb.<br \/>\nLa d\u00e9couverte de la r\u00e9alit\u00e9 pourrait permettre d&rsquo;\u00e9lucider un plus grand myst\u00e8re : celui de savoir si la Terre est la seule du syst\u00e8me solaire \u00e0 pouvoir accueillir la vie.<\/p>\n<p>\u00ab La plupart des scientifiques pensent que la vie sur Terre est apparue soit sous l&rsquo;oc\u00e9an, lorsque des gaz chauds et des min\u00e9raux du sous-sol ont atteint le plancher oc\u00e9anique, soit tr\u00e8s pr\u00e8s de l&rsquo;interface entre l&rsquo;eau et l&rsquo;air, dans de petits bassins de mar\u00e9e \u00bb, a d\u00e9clar\u00e9 M. Cardenas.<\/p>\n<p>\u00ab Les preuves de l&rsquo;existence d&rsquo;un oc\u00e9an font donc appara\u00eetre la plan\u00e8te comme plus hospitali\u00e8re.<\/p>\n<p>extrait et Source : <a href=\"https:\/\/www.20minutes.fr\/high-tech\/sciences\/4121367-20241114-eau-mars-scientifiques-pensent-avoir-decouvert-preuves\" target=\"_blank\">https:\/\/www.20minutes.fr\/<\/a>  <a href=\"https:\/\/phys.org\/news\/2024-11-chinese-rover-evidence-ancient-martian.html\" target=\"_blank\">https:\/\/phys.org\/<\/a><\/p>\n<p class=\"bawpvc-ajax-counter\" data-id=\"26405\">(123)<\/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>Des chercheurs chinois utilisant les donn\u00e9es du rover Zhurong ont affirm\u00e9 avoir identifi\u00e9 la trace du littoral de l\u2019ancien oc\u00e9an&#8230;<\/p>\n","protected":false},"author":1,"featured_media":12764,"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_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":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":false,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2},"jetpack_post_was_ever_published":false},"categories":[22],"tags":[4968,538,333,123,241,8174],"class_list":["post-26405","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-espace","tag-aride","tag-decouverte","tag-eau","tag-mars","tag-ocean","tag-rover-zhurong","wpcat-22-id"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2016\/06\/ocean-mars.jpg?fit=945%2C556&ssl=1","jetpack_shortlink":"https:\/\/wp.me\/p631RN-6RT","jetpack-related-posts":[{"id":24926,"url":"https:\/\/www.laterredufutur.com\/accueil\/un-rover-chinois-decouvre-des-preuves-deau-liquide-sur-mars\/","url_meta":{"origin":26405,"position":0},"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\". Des chercheurs affirment que le rover chinois Zhurong, qui a pass\u00e9 des mois \u00e0 explorer la surface de Mars, pourrait avoir trouv\u00e9 des preuves de l'existence d'eau liquide aux basses latitudes, o\u00f9 les temp\u00e9ratures sont relativement\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\/2023\/05\/sonde-chinoise-rover-mars.webp?fit=1080%2C567&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2023\/05\/sonde-chinoise-rover-mars.webp?fit=1080%2C567&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2023\/05\/sonde-chinoise-rover-mars.webp?fit=1080%2C567&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2023\/05\/sonde-chinoise-rover-mars.webp?fit=1080%2C567&ssl=1&resize=700%2C400 2x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2023\/05\/sonde-chinoise-rover-mars.webp?fit=1080%2C567&ssl=1&resize=1050%2C600 3x"},"classes":[]},{"id":22641,"url":"https:\/\/www.laterredufutur.com\/accueil\/la-chine-devoile-de-nouvelles-images-de-mars-devoilant-le-drapeau-national-sur-la-planete-rouge\/","url_meta":{"origin":26405,"position":1},"title":"La Chine d\u00e9voile de nouvelles images de Mars d\u00e9voilant le drapeau national sur la plan\u00e8te rouge","author":"Admin","date":"19 juin 2021","format":false,"excerpt":"L'Administration nationale de l'espace de Chine (CNSA) a publi\u00e9 vendredi de nouvelles images prises par le premier rover martien du pays, Zhurong, montrant le drapeau national sur la plan\u00e8te rouge. Les images ont \u00e9t\u00e9 d\u00e9voil\u00e9es lors d'une c\u00e9r\u00e9monie \u00e0 P\u00e9kin, signifiant le succ\u00e8s complet de la premi\u00e8re mission d'exploration 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\/2021\/06\/sonde-chine-mars1-1.jpg?fit=1024%2C576&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2021\/06\/sonde-chine-mars1-1.jpg?fit=1024%2C576&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2021\/06\/sonde-chine-mars1-1.jpg?fit=1024%2C576&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2021\/06\/sonde-chine-mars1-1.jpg?fit=1024%2C576&ssl=1&resize=700%2C400 2x"},"classes":[]},{"id":27258,"url":"https:\/\/www.laterredufutur.com\/accueil\/la-nasa-decouvre-des-traces-de-vie-anciennes-sur-mars\/","url_meta":{"origin":26405,"position":2},"title":"La Nasa d\u00e9couvre des traces de vie anciennes sur Mars ?","author":"Admin","date":"17 septembre 2025","format":false,"excerpt":"Le myst\u00e8re autour des prometteurs rochers martiens pr\u00e9lev\u00e9s par le rover Perseverance reste entier. En d\u00e9pit des annonces de la Nasa ce mercredi 10 septembre sur l'hypoth\u00e8se d'une r\u00e9action biologique \u00e0 l'origine des \u00e9tranges t\u00e2ches bleu et vert, il est indispensable de ramener sur Terre pour de plus amples recherches.\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\/09\/mars.jpg?fit=1198%2C573&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2025\/09\/mars.jpg?fit=1198%2C573&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2025\/09\/mars.jpg?fit=1198%2C573&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2025\/09\/mars.jpg?fit=1198%2C573&ssl=1&resize=700%2C400 2x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2025\/09\/mars.jpg?fit=1198%2C573&ssl=1&resize=1050%2C600 3x"},"classes":[]},{"id":27153,"url":"https:\/\/www.laterredufutur.com\/accueil\/la-nasa-decouvre-un-corail-vieux-de-plusieurs-milliards-dannees-sur-mars\/","url_meta":{"origin":26405,"position":3},"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":15498,"url":"https:\/\/www.laterredufutur.com\/accueil\/la-vie-sur-mars-a-pu-durer-bien-plus-longtemps-que-prevu\/","url_meta":{"origin":26405,"position":4},"title":"La vie sur Mars a pu durer bien plus longtemps que pr\u00e9vu","author":"Admin","date":"10 juillet 2017","format":false,"excerpt":"De nouvelles analyses des donn\u00e9es fournies par le rover martien Curiosity montrent que Mars \u00e9tait un lieu temp\u00e9r\u00e9 voici encore 3,1 milliards d'ann\u00e9es, une \u00e9poque o\u00f9 sur Terre la vie grouillait d\u00e9j\u00e0. On ne sait toujours pas s'il y a eu de la vie sur Mars. Mais de r\u00e9centes analyses\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\/07\/cratere-mars.jpg?fit=1024%2C1093&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2017\/07\/cratere-mars.jpg?fit=1024%2C1093&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2017\/07\/cratere-mars.jpg?fit=1024%2C1093&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2017\/07\/cratere-mars.jpg?fit=1024%2C1093&ssl=1&resize=700%2C400 2x"},"classes":[]},{"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":26405,"position":5},"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":[]}],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/posts\/26405","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=26405"}],"version-history":[{"count":1,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/posts\/26405\/revisions"}],"predecessor-version":[{"id":26407,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/posts\/26405\/revisions\/26407"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/media\/12764"}],"wp:attachment":[{"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/media?parent=26405"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/categories?post=26405"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/tags?post=26405"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}