{"id":14011,"date":"2016-12-02T00:00:16","date_gmt":"2016-12-01T23:00:16","guid":{"rendered":"http:\/\/www.laterredufutur.com\/accueil\/?p=14011"},"modified":"2016-11-24T19:58:12","modified_gmt":"2016-11-24T18:58:12","slug":"pluton-recelerait-un-ocean-qui-contiendrait-plus-deau-que-tous-les-oceans-de-la-terre","status":"publish","type":"post","link":"https:\/\/www.laterredufutur.com\/accueil\/pluton-recelerait-un-ocean-qui-contiendrait-plus-deau-que-tous-les-oceans-de-la-terre\/","title":{"rendered":"Pluton rec\u00e8lerait un oc\u00e9an qui contiendrait plus d&rsquo;eau que tous les oc\u00e9ans de la Terre"},"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;\">Pluton, ce bout de roche tout petit et si distant de notre Terre, qui n&rsquo;a m\u00eame plus droit au titre de plan\u00e8te, vient pourtant de r\u00e9v\u00e9ler un secret int\u00e9ressant. L&rsquo;astre rec\u00e8lerait un oc\u00e9an qui contiendrait au moins autant d&rsquo;eau que tous les oc\u00e9ans et mers de notre plan\u00e8te. C&rsquo;est la d\u00e9couverte d&rsquo;une \u00e9tude r\u00e9cemment publi\u00e9e dans le journal scientifique Nature, surprenante car Pluton, si distante de la lumi\u00e8re du Soleil, fait plus figure de roche morte et inerte.<\/p>\n<p style=\"text-align: justify;\">L&rsquo;oc\u00e9an est souterrain, plong\u00e9 sous la surface glac\u00e9e de la plan\u00e8te, et est probablement semi-liquide, compos\u00e9 d&rsquo;eau et de cristaux de glace m\u00eal\u00e9s. Il se trouverait entre 150 et 200 kilom\u00e8tres sous la surface, et aurait une profondeur de 100 kilom\u00e8tres.<\/p>\n<p style=\"text-align: justify;\">Cette d\u00e9couverte, faite par l&rsquo;analyse d&rsquo;images et de donn\u00e9es collect\u00e9es par un appareil de la NASA, New Horizons, qui vient de survoler Pluton, est \u00e9videmment int\u00e9ressante parce que l&rsquo;eau est un ingr\u00e9dient-cl\u00e9 de la vie.<\/p>\n<p style=\"text-align: justify;\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" data-attachment-id=\"10516\" data-permalink=\"https:\/\/www.laterredufutur.com\/accueil\/decouverte-pluton-ne-sera-plus-jamais-comme-avant\/pluton-ciel-bleu-glace-nasa-3\/\" data-orig-file=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2016\/01\/pluton-ciel-bleu-glace-nasa-2.jpg?fit=940%2C626&amp;ssl=1\" data-orig-size=\"940,626\" 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=\"pluton-ciel-bleu-glace-nasa\" data-image-description=\"\" data-image-caption=\"\" data-medium-file=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2016\/01\/pluton-ciel-bleu-glace-nasa-2.jpg?fit=300%2C200&amp;ssl=1\" data-large-file=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2016\/01\/pluton-ciel-bleu-glace-nasa-2.jpg?fit=800%2C533&amp;ssl=1\" class=\"alignnone size-full wp-image-10516\" src=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2016\/01\/pluton-ciel-bleu-glace-nasa-2.jpg?resize=940%2C626\" alt=\"pluton-ciel-bleu-glace-nasa\" width=\"940\" height=\"626\" srcset=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2016\/01\/pluton-ciel-bleu-glace-nasa-2.jpg?w=940&amp;ssl=1 940w, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2016\/01\/pluton-ciel-bleu-glace-nasa-2.jpg?resize=300%2C200&amp;ssl=1 300w, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2016\/01\/pluton-ciel-bleu-glace-nasa-2.jpg?resize=768%2C511&amp;ssl=1 768w, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2016\/01\/pluton-ciel-bleu-glace-nasa-2.jpg?resize=800%2C533&amp;ssl=1 800w\" sizes=\"auto, (max-width: 940px) 100vw, 940px\" \/><\/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;\">Il ne faut pas trop s&#8217;emballer : avec autant de glace, la probabilit\u00e9 de la pr\u00e9sence de vie sur Pluton est faible, selon les chercheurs. Mais, \u00ab\u00a0on doit faire attention \u00e0 ne jamais dire jamais\u00a0\u00bb, a d\u00e9clar\u00e9 Richard Binzel, du MIT, un des auteurs de l&rsquo;\u00e9tude, \u00e0 l&rsquo;agence Reuters.<\/p>\n<p style=\"text-align: justify;\">Malgr\u00e9 son \u00e9norme distance par rapport au Soleil, Pluton serait assez chaude pour maintenir de l&rsquo;eau \u00e0 l&rsquo;\u00e9tat liquide. En effet, sa roche est radioactive, une activit\u00e9 qui g\u00e9n\u00e8re de la chaleur, alors que la couche de glace de plusieurs kilom\u00e8tres qui recouvre la plan\u00e8te donne une bonne isolation. De plus, l&rsquo;oc\u00e9an pourrait contenir des quantit\u00e9s d&rsquo;ammoniaque, qui est un antigel.<\/p>\n<p style=\"text-align: justify;\">New Horizons continue son voyage, et devrait survoler la ceinture de Kuiper, \u00e0 1,6 milliards de kilom\u00e8tres de Pluton, en 2019, ce qui devrait receler encore plus d&rsquo;enseignement de ces r\u00e9gions de notre syst\u00e8me dont nous savons au final tr\u00e8s peu.<\/p>\n<p>source : &nbsp;<a href=\"http:\/\/www.atlantico.fr\/decryptage\/pluton-recelerait-ocean-qui-contiendrait-plus-eau-que-tous-oceans-terre-2882231.html#opmB4zUFELpmTyEY.99\" target=\"_blank\">http:\/\/www.atlantico.fr\/<\/a><\/p>\n<p class=\"bawpvc-ajax-counter\" data-id=\"14011\">(480)<\/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>Pluton, ce bout de roche tout petit et si distant de notre Terre, qui n&rsquo;a m\u00eame plus droit au titre&#8230;<\/p>\n","protected":false},"author":1,"featured_media":10513,"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":"Pluton rec\u00e8lerait un oc\u00e9an qui contiendrait plus d'eau que tous les oc\u00e9ans de la Terre @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":[333,117,267,241,1627,5180,363],"class_list":["post-14011","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-espace","tag-eau","tag-espace","tag-glace","tag-ocean","tag-pluton","tag-sous-terraine","tag-systeme-solaire","wpcat-22-id"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2016\/01\/pluton.jpg?fit=700%2C484&ssl=1","jetpack_shortlink":"https:\/\/wp.me\/p631RN-3DZ","jetpack-related-posts":[{"id":14523,"url":"https:\/\/www.laterredufutur.com\/accueil\/un-ocean-souterrain-au-coeur-de-pluton-pourrait-changer-son-axe-de-rotation\/","url_meta":{"origin":14011,"position":0},"title":"Un oc\u00e9an souterrain au c\u0153ur de Pluton pourrait changer son axe de rotation","author":"Admin","date":"30 janvier 2017","format":false,"excerpt":"Les derni\u00e8res images de sa surface confirment la nature changeante de la plan\u00e8te naine. La distante Pluton semble \u00eatre plus vivante et changeante que jamais. Le fait qu\u2019elle puisse se r\u00e9orienter elle-m\u00eame a surpris les chercheurs. Une analyse de la surface de Pluton, connue comme la plaine Spoutnik, est \u00ab\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\/01\/Pluton-1.jpg?fit=675%2C400&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2017\/01\/Pluton-1.jpg?fit=675%2C400&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2017\/01\/Pluton-1.jpg?fit=675%2C400&ssl=1&resize=525%2C300 1.5x"},"classes":[]},{"id":19327,"url":"https:\/\/www.laterredufutur.com\/accueil\/et-si-pluton-possedait-un-ocean-liquide-sous-sa-surface\/","url_meta":{"origin":14011,"position":1},"title":"Et si Pluton poss\u00e9dait un oc\u00e9an liquide sous sa surface ?","author":"Admin","date":"27 juillet 2019","format":false,"excerpt":"Selon des th\u00e9ories \u00e9tablies en 2016, Pluton pr\u00e9senterait un oc\u00e9an d\u2019eau liquide sous son manteau de glace, sans avoir gel\u00e9. Des chercheurs viennent peut-\u00eatre de comprendre pourquoi. Form\u00e9e il y a 4,6 milliards d\u2019ann\u00e9es, Pluton est compos\u00e9e d\u2019un c\u0153ur rocheux en silicate entour\u00e9 d\u2019une \u00e9paisse couche de glace d\u2019eau d\u2019environ\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\/01\/Pluton-1.jpg?fit=675%2C400&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2017\/01\/Pluton-1.jpg?fit=675%2C400&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2017\/01\/Pluton-1.jpg?fit=675%2C400&ssl=1&resize=525%2C300 1.5x"},"classes":[]},{"id":10512,"url":"https:\/\/www.laterredufutur.com\/accueil\/decouverte-pluton-ne-sera-plus-jamais-comme-avant\/","url_meta":{"origin":14011,"position":2},"title":"D\u00e9couverte : Pluton ne sera plus jamais comme avant","author":"Admin","date":"15 janvier 2016","format":false,"excerpt":"Le directeur de la Nasa a fait une annonce stup\u00e9fiante au sujet de Pluton. Toute la journ\u00e9e du 11 janvier 2016, le monde scientifique \u00e9tait suspendu aux l\u00e8vres de la Nasa. L\u2019agence spatiale am\u00e9ricaine avait en effet pr\u00e9venu : elle allait faire une annonce fracassante. Puis l\u2019info est tomb\u00e9e !\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\/2016\/01\/pluton-ciel-bleu-glace-nasa-3.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\/2016\/01\/pluton-ciel-bleu-glace-nasa-3.jpg?fit=1024%2C576&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2016\/01\/pluton-ciel-bleu-glace-nasa-3.jpg?fit=1024%2C576&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2016\/01\/pluton-ciel-bleu-glace-nasa-3.jpg?fit=1024%2C576&ssl=1&resize=700%2C400 2x"},"classes":[]},{"id":13801,"url":"https:\/\/www.laterredufutur.com\/accueil\/notre-systeme-solaire-contient-des-oceans-partout\/","url_meta":{"origin":14011,"position":3},"title":"Notre syst\u00e8me solaire contient des oc\u00e9ans partout","author":"Admin","date":"7 novembre 2016","format":false,"excerpt":"De tout temps, l\u2019Homme a toujours cru que la Terre et ses oc\u00e9ans en faisaient un lieu tout \u00e0 fait exceptionnel, il avait raison. Par la vie \u00a0qui s\u2019est d\u00e9velopp\u00e9e sur notre plan\u00e8te, notre berceau est fantastique. Cependant toute cette eau qui a baign\u00e9 les \u00e9l\u00e9ments de cette vie 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\/2015\/10\/ocean.jpg?fit=1200%2C800&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2015\/10\/ocean.jpg?fit=1200%2C800&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2015\/10\/ocean.jpg?fit=1200%2C800&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2015\/10\/ocean.jpg?fit=1200%2C800&ssl=1&resize=700%2C400 2x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2015\/10\/ocean.jpg?fit=1200%2C800&ssl=1&resize=1050%2C600 3x"},"classes":[]},{"id":7834,"url":"https:\/\/www.laterredufutur.com\/accueil\/sur-pluton-vapeurs-dans-latmosphere-et-glaces-mouvantes-excitent-les-scientifiques\/","url_meta":{"origin":14011,"position":4},"title":"Sur Pluton, vapeurs dans l&rsquo;atmosph\u00e8re et glaces mouvantes excitent les scientifiques","author":"Admin","date":"14 ao\u00fbt 2015","format":false,"excerpt":"La sonde New Horizons a bien fait de regarder dans son r\u00e9troviseur, en faisant le tour de Pluton. Apr\u00e8s des cha\u00eenes de montagne et de vastes plaines gel\u00e9es, la sonde am\u00e9ricaine New Horizons a envoy\u00e9 de nouvelles images montrant des vapeurs dans l'atmosph\u00e8re de Pluton et des signes de mouvements\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\/07\/pluton.png?fit=599%2C598&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2015\/07\/pluton.png?fit=599%2C598&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2015\/07\/pluton.png?fit=599%2C598&ssl=1&resize=525%2C300 1.5x"},"classes":[]},{"id":26278,"url":"https:\/\/www.laterredufutur.com\/accueil\/la-nasa-detecte-du-dioxyde-de-carbone-a-la-surface-de-charon-la-lune-de-pluton\/","url_meta":{"origin":14011,"position":5},"title":"La NASA d\u00e9tecte du dioxyde de carbone \u00e0 la surface de Charon, la lune de Pluton","author":"Admin","date":"4 octobre 2024","format":false,"excerpt":"Aux confins de notre syst\u00e8me solaire, \u00e0 5,7 milliards de kilom\u00e8tres du Soleil, se trouve la plan\u00e8te naine Pluton. Plus petite que l'Australie, c'est un monde glac\u00e9 compos\u00e9 de montagnes, de glaciers et de crat\u00e8res, o\u00f9 la temp\u00e9rature moyenne est de -232\u00b0C. Cinq lunes gravitent autour de Pluton : Styx,\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\/2024\/10\/pluton-charon.jpg?fit=754%2C555&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2024\/10\/pluton-charon.jpg?fit=754%2C555&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2024\/10\/pluton-charon.jpg?fit=754%2C555&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2024\/10\/pluton-charon.jpg?fit=754%2C555&ssl=1&resize=700%2C400 2x"},"classes":[]}],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/posts\/14011","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=14011"}],"version-history":[{"count":1,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/posts\/14011\/revisions"}],"predecessor-version":[{"id":14012,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/posts\/14011\/revisions\/14012"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/media\/10513"}],"wp:attachment":[{"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/media?parent=14011"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/categories?post=14011"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/tags?post=14011"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}