{"id":12298,"date":"2016-05-20T12:23:19","date_gmt":"2016-05-20T10:23:19","guid":{"rendered":"http:\/\/www.laterredufutur.com\/accueil\/?p=12298"},"modified":"2016-05-20T12:24:06","modified_gmt":"2016-05-20T10:24:06","slug":"la-planete-mars-aurait-subi-des-series-de-tsunamis-gigantesques","status":"publish","type":"post","link":"https:\/\/www.laterredufutur.com\/accueil\/la-planete-mars-aurait-subi-des-series-de-tsunamis-gigantesques\/","title":{"rendered":"La plan\u00e8te Mars aurait subi des s\u00e9ries de tsunamis gigantesques"},"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;\">Des chercheurs am\u00e9ricains ont r\u00e9cemment fait une surprenante d\u00e9couverte. En effet, selon une \u00e9tude publi\u00e9e ce jeudi dans <em>Nature Scientific Reports<\/em>, Mars aurait subi il y a 3,4 milliards d\u2019ann\u00e9es des m\u00e9ga-tsunamis qui auraient fa\u00e7onn\u00e9 la g\u00e9ographie de la plan\u00e8te rouge. Ces r\u00e9v\u00e9lations confirment que Mars poss\u00e9dait de vastes \u00e9tendues d\u2019eau, comme la Terre.<\/p>\n<p style=\"text-align: justify;\">\u00ab Nous avons des preuves g\u00e9ologiques que deux tsunamis ont eu lieu il y a environ 3,4 milliards d\u2019ann\u00e9es \u00bb, explique Alexis Palmero Rodriguez du <a href=\"https:\/\/www.psi.edu\/\" target=\"_blank\">Planetary Science Institute<\/a> \u00e0 Tucson aux \u00c9tats-Unis. \u00ab Notre d\u00e9couverte repr\u00e9sente une preuve de l\u2019existence d\u2019un oc\u00e9an martien \u00bb, ajoute-t-il. Pour arriver \u00e0 cette conclusion, les scientifiques ont \u00e9tudi\u00e9 des d\u00e9p\u00f4ts s\u00e9dimentaires. Ils ont constat\u00e9 que les d\u00e9p\u00f4ts se retrouvaient toujours \u00e0 une altitude pr\u00e9cise, sauf dans deux r\u00e9gions o\u00f9 on les trouve \u00e0 des altitudes plus \u00e9lev\u00e9es. Leur explication est simple\u00a0: des vagues montant \u00e0 plus de 120 m\u00e8tres de hauteur seraient entr\u00e9es dans les terres sur plusieurs centaines de kilom\u00e8tres. Les chercheurs parlent de 800\u00a0000 km\u00b2 \u00e0 1 000\u00a0000 km\u00b2 de surface inond\u00e9e. En se retirant, l\u2019eau aurait cr\u00e9\u00e9 des canaux rep\u00e9r\u00e9s par les scientifiques.<\/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;\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" data-attachment-id=\"12301\" data-permalink=\"https:\/\/www.laterredufutur.com\/accueil\/la-planete-mars-aurait-subi-des-series-de-tsunamis-gigantesques\/planete-mars-tsunami\/\" data-orig-file=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2016\/05\/planete-mars-tsunami.jpg?fit=660%2C330&amp;ssl=1\" data-orig-size=\"660,330\" 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=\"planete-mars-tsunami\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2016\/05\/planete-mars-tsunami.jpg?fit=660%2C330&amp;ssl=1\" class=\"alignnone size-full wp-image-12301\" src=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2016\/05\/planete-mars-tsunami.jpg?resize=660%2C330\" alt=\"planete-mars-tsunami\" width=\"660\" height=\"330\" srcset=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2016\/05\/planete-mars-tsunami.jpg?w=660&amp;ssl=1 660w, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2016\/05\/planete-mars-tsunami.jpg?resize=300%2C150&amp;ssl=1 300w\" sizes=\"auto, (max-width: 660px) 100vw, 660px\" \/><\/p>\n<p style=\"text-align: justify;\">\u00ab Un v\u00e9ritable cataclysme \u00bb<\/p>\n<p style=\"text-align: justify;\">Cette d\u00e9couverte permet d\u2019affirmer qu\u2019\u00e0 cette lointaine \u00e9poque Mars \u00e9tait similaire \u00e0 la Terre, avec des lacs, des rivi\u00e8res et un vaste oc\u00e9an. Dans leur \u00e9tude, les chercheurs parlent d\u2019un \u00ab v\u00e9ritable cataclysme \u00bb. Le premier tsunami aurait d\u00e9pos\u00e9 des blocs de s\u00e9diments rocheux. Le deuxi\u00e8me se serait d\u00e9clench\u00e9 dans des conditions climatiques plus froides et aurait d\u00e9pos\u00e9 des blocs de glace, \u00ab les vagues s\u2019\u00e9tant fig\u00e9es sur place \u00bb, expliquent-ils.<\/p>\n<p style=\"text-align: justify;\">Les causes de ces ph\u00e9nom\u00e8nes ne sont pas clairement identifi\u00e9es. Mais les scientifiques soup\u00e7onnent la chute de m\u00e9t\u00e9orites, la pr\u00e9sence de vastes crat\u00e8res de 30 km de diam\u00e8tre (sept fois la taille de Paris) ayant \u00e9t\u00e9 observ\u00e9e. Ils \u00e9voquent \u00e9galement d\u2019autres facteurs capables de d\u00e9clencher des tsunamis, comme les tremblements de terre ou les glissements de terrain.<\/p>\n<p>source :\u00a0<a href=\"http:\/\/www.ladepeche.fr\/article\/2016\/05\/20\/2348483-la-planete-mars-aurait-subi-des-series-de-tsunamis-gigantesques.html\" target=\"_blank\">http:\/\/www.ladepeche.fr\/<\/a><\/p>\n<p class=\"bawpvc-ajax-counter\" data-id=\"12298\">(333)<\/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 am\u00e9ricains ont r\u00e9cemment fait une surprenante d\u00e9couverte. En effet, selon une \u00e9tude publi\u00e9e ce jeudi dans Nature Scientific&#8230;<\/p>\n","protected":false},"author":1,"featured_media":12299,"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":"La plan\u00e8te Mars aurait subi des s\u00e9ries de tsunamis gigantesques @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":[1176,1253,117,123,2039,5859,108,1619],"class_list":["post-12298","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-espace","tag-cataclysme","tag-continent","tag-espace","tag-mars","tag-planete-mars","tag-rochers","tag-tsunami","tag-vague","wpcat-22-id"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2016\/05\/vague-mars.jpg?fit=960%2C530&ssl=1","jetpack_shortlink":"https:\/\/wp.me\/p631RN-3cm","jetpack-related-posts":[{"id":24586,"url":"https:\/\/www.laterredufutur.com\/accueil\/un-asteroide-colossal-tueur-de-planete-a-provoque-un-mega-tsunami-sur-mars\/","url_meta":{"origin":12298,"position":0},"title":"Un ast\u00e9ro\u00efde colossal \u00ab\u00a0tueur de plan\u00e8te\u00a0\u00bb a provoqu\u00e9 un m\u00e9ga-tsunami sur Mars","author":"Admin","date":"8 d\u00e9cembre 2022","format":false,"excerpt":"Les scientifiques plan\u00e9taires ont localis\u00e9 l'emplacement probable de l'impact d'un ast\u00e9ro\u00efde massif qui a d\u00e9clench\u00e9 un \u00e9norme tsunami sur la plan\u00e8te rouge il y a environ 3,4 milliards d'ann\u00e9es. Un crat\u00e8re d'impact r\u00e9cemment d\u00e9couvert sur Mars a probablement \u00e9t\u00e9 laiss\u00e9 par un \u00e9norme ast\u00e9ro\u00efde qui a percut\u00e9 la plan\u00e8te rouge\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\/06\/eau-sur-mars-region-habitable.jpg?fit=1200%2C750&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2022\/06\/eau-sur-mars-region-habitable.jpg?fit=1200%2C750&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2022\/06\/eau-sur-mars-region-habitable.jpg?fit=1200%2C750&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2022\/06\/eau-sur-mars-region-habitable.jpg?fit=1200%2C750&ssl=1&resize=700%2C400 2x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2022\/06\/eau-sur-mars-region-habitable.jpg?fit=1200%2C750&ssl=1&resize=1050%2C600 3x"},"classes":[]},{"id":14894,"url":"https:\/\/www.laterredufutur.com\/accueil\/sil-y-avait-de-la-vie-sur-terre-il-y-a-4-milliards-dannees-alors-pourquoi-pas-sur-mars\/","url_meta":{"origin":12298,"position":1},"title":"S\u2019il y avait de la vie sur Terre, il y a 4 milliards d\u2019ann\u00e9es, alors pourquoi pas sur Mars?","author":"Admin","date":"21 mars 2017","format":false,"excerpt":"Des chercheurs ont d\u00e9couvert des microfossiles au nord-est du Qu\u00e9bec qu\u2019ils datent de quelque 4 milliards d\u2019ann\u00e9es, lorsque les conditions sur Terre et sur Mars n\u2019\u00e9taient pas si \u00e9loign\u00e9es\u2026 Pr\u00e9cisons-le tout de suite : on parle de micro-organismes, des fossiles dont la longueur n\u2019exc\u00e8de pas le demi-millim\u00e8tre et le diam\u00e8tre\u2026","rel":"","context":"Dans &quot;Espace&quot;","block_context":{"text":"Espace","link":"https:\/\/www.laterredufutur.com\/accueil\/sujets\/espace\/"},"img":{"alt_text":"Mars","src":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2012\/11\/mars9.jpg?fit=450%2C266&ssl=1&resize=350%2C200","width":350,"height":200},"classes":[]},{"id":16699,"url":"https:\/\/www.laterredufutur.com\/accueil\/des-molecules-organiques-decouvertes-sur-la-planete-mars-annonce-la-nasa\/","url_meta":{"origin":12298,"position":2},"title":"Des mol\u00e9cules organiques d\u00e9couvertes sur la plan\u00e8te Mars, annonce la Nasa","author":"Admin","date":"8 juin 2018","format":false,"excerpt":"La Nasa avait soign\u00e9 ses effets\u2009: excitation et myst\u00e8re entouraient la tenue de la conf\u00e9rence de presse de ce jeudi 7 juin, consacr\u00e9e \u00e0 la plan\u00e8te Mars. Depuis le centre spatial Goddard, dans le Maryland, l\u2019agence spatiale am\u00e9ricaine a annonc\u00e9 avoir d\u00e9couvert des mol\u00e9cules organiques vieilles de plusieurs milliards d\u2019ann\u00e9es.\u2026","rel":"","context":"Dans &quot;Espace&quot;","block_context":{"text":"Espace","link":"https:\/\/www.laterredufutur.com\/accueil\/sujets\/espace\/"},"img":{"alt_text":"Mars","src":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2012\/11\/mars2.jpg?fit=450%2C283&ssl=1&resize=350%2C200","width":350,"height":200},"classes":[]},{"id":1275,"url":"https:\/\/www.laterredufutur.com\/accueil\/seisme-tsunami-et-catastrophe-nucleaire-du-11-mars-2011\/","url_meta":{"origin":12298,"position":3},"title":"S\u00e9isme, tsunami et catastrophe nucl\u00e9aire du 11 mars 2011","author":"Admin","date":"10 mars 2013","format":false,"excerpt":"Le 11 mars 2011, un tremblement de terre de 9 sur l'\u00e9chelle de Richter a frapp\u00e9 au large du Japon. Un tsunami d\u00e9vastateur s'ensuivi. \u00a0Le Japon a \u00e9t\u00e9 frapp\u00e9 par le plus violent s\u00e9isme de son histoire. Le tremblement de terre, de magnitude 9, s'est produit au large des c\u00f4tes\u2026","rel":"","context":"Dans &quot;Ev\u00e8nement Brutal&quot;","block_context":{"text":"Ev\u00e8nement Brutal","link":"https:\/\/www.laterredufutur.com\/accueil\/sujets\/evenement-brutal\/"},"img":{"alt_text":"tsunami japon","src":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2012\/01\/tsunami_japon_032011.jpg?fit=605%2C402&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2012\/01\/tsunami_japon_032011.jpg?fit=605%2C402&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2012\/01\/tsunami_japon_032011.jpg?fit=605%2C402&ssl=1&resize=525%2C300 1.5x"},"classes":[]},{"id":20898,"url":"https:\/\/www.laterredufutur.com\/accueil\/decouverte-il-etait-une-fois-la-vie-sur-mars\/","url_meta":{"origin":12298,"position":4},"title":"D\u00e9couverte : Il \u00e9tait une fois la vie sur Mars","author":"Admin","date":"4 mai 2020","format":false,"excerpt":"Des scientifiques ont d\u00e9couvert pour la premi\u00e8re fois de l'azote fixe dans une m\u00e9t\u00e9orite martienne. Nous pouvons avoir un nouveau regard sur Mars, une m\u00e9t\u00e9orite martienne vieille de 4 milliards d'ann\u00e9es a r\u00e9v\u00e9l\u00e9 des compos\u00e9s organiques contenant de l'azote - la premi\u00e8re v\u00e9ritable preuve de mol\u00e9cules d'azote fixes sur la\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\/2020\/05\/meteoritemars.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\/2020\/05\/meteoritemars.jpg?fit=1024%2C415&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2020\/05\/meteoritemars.jpg?fit=1024%2C415&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2020\/05\/meteoritemars.jpg?fit=1024%2C415&ssl=1&resize=700%2C400 2x"},"classes":[]},{"id":872,"url":"https:\/\/www.laterredufutur.com\/accueil\/le-japon-6-mois-apres-le-tsunami\/","url_meta":{"origin":12298,"position":5},"title":"Le Japon 6 mois apr\u00e8s le tsunami","author":"Admin","date":"24 avril 2012","format":false,"excerpt":"Document fourni par Julien - L'apr\u00e8s Tsunami japonais...\u00a0Images incroyables !\u00a0Incroyablement courageux les Japonais et remarquablement efficaces... Les japonais nous donnent une le\u00e7on de ce qu'il est possible de faire en tr\u00e8s peu de temps. La preuve est donn\u00e9e que le travail apporte des r\u00e9sultats. RESPECT !!!\u00a0A chaque fois 3 photos\u2026","rel":"","context":"Dans &quot;Ev\u00e8nement Brutal&quot;","block_context":{"text":"Ev\u00e8nement Brutal","link":"https:\/\/www.laterredufutur.com\/accueil\/sujets\/evenement-brutal\/"},"img":{"alt_text":"japon avant apr\u00e8s tsunamis 2011","src":"https:\/\/i0.wp.com\/www.laterredufutur.com\/wordpress\/wp-content\/uploads\/2012\/04\/japon-tsunamis-2011-avant-apres-15.jpg?resize=350%2C200","width":350,"height":200},"classes":[]}],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/posts\/12298","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=12298"}],"version-history":[{"count":2,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/posts\/12298\/revisions"}],"predecessor-version":[{"id":12302,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/posts\/12298\/revisions\/12302"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/media\/12299"}],"wp:attachment":[{"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/media?parent=12298"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/categories?post=12298"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/tags?post=12298"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}