{"id":6745,"date":"2015-06-03T00:00:00","date_gmt":"2015-06-02T22:00:00","guid":{"rendered":"http:\/\/www.laterredufutur.com\/accueil\/?p=6745"},"modified":"2015-05-20T16:54:34","modified_gmt":"2015-05-20T14:54:34","slug":"du-sel-de-mer-irradie-a-la-surface-de-la-lune-europe","status":"publish","type":"post","link":"https:\/\/www.laterredufutur.com\/accueil\/du-sel-de-mer-irradie-a-la-surface-de-la-lune-europe\/","title":{"rendered":"Du sel de mer irradi\u00e9 \u00e0 la surface de la lune Europe"},"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;\">La substance sombre qui \u00e9merge de la surface d\u2019Europe d\u00e9concerte les astronomes depuis des ann\u00e9es. Selon une r\u00e9cente \u00e9tude r\u00e9alis\u00e9e par une \u00e9quipe de recherche de la NASA, il s\u2019agirait\u2026 de sel de mer irradi\u00e9.<\/p>\n<p style=\"text-align: justify;\">Le monde scientifique s\u2019int\u00e9resse \u00e0 Europe, car celle-ci pourrait bien abriter la vie. En effet, la Lune de Jupiter poss\u00e9derait une grande quantit\u00e9 d\u2019eau, sous forme d\u2019oc\u00e9ans et de lacs, \u00e0 seulement quelques kilom\u00e8tres de profondeur. Mais une myst\u00e9rieuse mati\u00e8re sombre qui \u00e9merge de la surface d\u2019Europe intrigue les scientifiques depuis plus d\u2019une d\u00e9cennie. Selon une r\u00e9cente \u00e9tude, il s\u2019agirait de sel de mer irradi\u00e9.<\/p>\n<p style=\"text-align: justify;\"><a href=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2014\/11\/.._photos_europe3.jpg\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" data-attachment-id=\"2312\" data-permalink=\"https:\/\/www.laterredufutur.com\/accueil\/objectif-europe\/_photos_europe3\/\" data-orig-file=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2014\/11\/.._photos_europe3.jpg?fit=450%2C582&amp;ssl=1\" data-orig-size=\"450,582\" 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=\".._photos_europe3\" data-image-description=\"\" data-image-caption=\"\" data-medium-file=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2014\/11\/.._photos_europe3.jpg?fit=232%2C300&amp;ssl=1\" data-large-file=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2014\/11\/.._photos_europe3.jpg?fit=450%2C582&amp;ssl=1\" class=\" size-full wp-image-2312 aligncenter\" src=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2014\/11\/.._photos_europe3.jpg?resize=450%2C582\" alt=\".._photos_europe3\" width=\"450\" height=\"582\" srcset=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2014\/11\/.._photos_europe3.jpg?w=450&amp;ssl=1 450w, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2014\/11\/.._photos_europe3.jpg?resize=232%2C300&amp;ssl=1 232w\" sizes=\"auto, (max-width: 450px) 100vw, 450px\" \/><\/a><\/p>\n<p style=\"text-align: justify;\">Le plan\u00e9tologue Kevin Hand et son \u00e9quipe ont \u00e9tudi\u00e9 l\u2019\u00e9trange mati\u00e8re en construisant un dispositif qui reproduit les conditions extr\u00eames d\u2019Europe. En utilisant cet appareil, des \u00e9chantillons de chlorure de sodium (du sel de table ordinaire) ont \u00e9t\u00e9 soumis \u00e0 des conditions similaires de celles auxquelles est soumise la surface de la lune : un rayonnement intense et le vide.<\/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;\">Le sel blanc commen\u00e7ait \u00e0 foncer en quelques heures et plus il \u00e9tait expos\u00e9, plus les cristaux se sont assombris. Selon Kevin Hand, \u00ab ce travail nous apprend que la signature chimique de chlorure de sodium \u201ccuit\u201d par le rayonnement, correspond de mani\u00e8re convaincante aux donn\u00e9es satellites de la myst\u00e9rieuse mati\u00e8re d\u2019Europe \u00bb.<\/p>\n<p style=\"text-align: justify;\">Une d\u00e9couverte qui vient confirmer la possibilit\u00e9 qu\u2019un oc\u00e9an se cache sous la surface glac\u00e9e d\u2019Europe. Il faudra n\u00e9anmoins encore un peu de patience avant d\u2019en avoir le c\u0153ur net. En effet, les t\u00e9lescopes terrestres ne poss\u00e8dent pas la r\u00e9solution n\u00e9cessaire pour \u00e9tayer ces conclusions, ce qui signifie que nous allons devoir attendre qu\u2019une agence spatiale lance une future mission vers Jupiter pour savoir si, effectivement, il pourrait y avoir une mer sous la couche de glace d\u2019Europe.<\/p>\n<p style=\"text-align: justify;\">Notons que la NASA envisage prochainement une mission robotique vers le satellite Europe. Quant \u00e0 la sonde <i>Juno<\/i>, elle devrait arriver en orbite polaire autour de Jupiter courant juillet 2016.<\/p>\n<p><a href=\"http:\/\/www.laterredufutur.com\/accueil\/\">TDF<\/a><\/p>\n<p>Sources : <a href=\"http:\/\/onlinelibrary.wiley.com\/doi\/10.1002\/2015GL063559\/full\" target=\"_blank\">Geophysical Research Letters<\/a>, <a href=\"http:\/\/www.space.com\/29392-jupiter-moon-europa-salty-dark-streaks.html\" target=\"_blank\">Space<\/a>,\u00a0<a href=\"http:\/\/www.gurumed.org\/2015\/05\/14\/la-mystrieuse-matire-qui-assombrit-la-surface-de-la-lune-europe-pourrait-tre-du-sel-de-mer\/\">Gurumed<\/a><\/p>\n<p class=\"bawpvc-ajax-counter\" data-id=\"6745\">(294)<\/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>La substance sombre qui \u00e9merge de la surface d\u2019Europe d\u00e9concerte les astronomes depuis des ann\u00e9es. Selon une r\u00e9cente \u00e9tude r\u00e9alis\u00e9e&#8230;<\/p>\n","protected":false},"author":1,"featured_media":2313,"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":"","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":[188,267,157,124,122,1106,241],"class_list":["post-6745","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-espace","tag-europe","tag-glace","tag-glaciers","tag-jupiter","tag-lune","tag-mer","tag-ocean","wpcat-22-id"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2014\/11\/.._photos_europe4.jpg?fit=450%2C332&ssl=1","jetpack_shortlink":"https:\/\/wp.me\/p631RN-1KN","jetpack-related-posts":[{"id":2317,"url":"https:\/\/www.laterredufutur.com\/accueil\/objectif-europe\/","url_meta":{"origin":6745,"position":0},"title":"Objectif Europe","author":"Admin","date":"30 novembre 2014","format":false,"excerpt":"Et si la plan\u00e8te la plus passionnante n'\u00e9tait plus Mars mais plut\u00f4t une Lune de Jupiter ? C'est ce qui semble se dessiner de plus en plus si on analyse la situation de cette lune.\u00a0Les scientifiques sont assez confiants : la 6e lune de Jupiter, Europe, abriterait un vaste 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\/wordpress\/wp-content\/uploads\/2014\/11\/.._photos_europe1.jpg?resize=350%2C200","width":350,"height":200},"classes":[]},{"id":25240,"url":"https:\/\/www.laterredufutur.com\/accueil\/le-telescope-james-webb-decouvre-une-signature-potentielle-de-vie-sur-la-lune-glacee-de-jupiter-europe\/","url_meta":{"origin":6745,"position":1},"title":"Le t\u00e9lescope James Webb d\u00e9couvre une signature potentielle de vie sur la lune glac\u00e9e de Jupiter, Europe","author":"Admin","date":"29 septembre 2023","format":false,"excerpt":"La d\u00e9couverte de dioxyde de carbone apparemment produit sur cette lune sugg\u00e8re que l'oc\u00e9an glac\u00e9 d'Europe pourrait \u00eatre habitable. Le t\u00e9lescope spatial James Webb (JWST) de la NASA a r\u00e9v\u00e9l\u00e9 la pr\u00e9sence de dioxyde de carbone artificiel sur la lune glac\u00e9e de Jupiter, ce qui soul\u00e8ve la possibilit\u00e9 que ce\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\/09\/lune-europe.webp?fit=970%2C546&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2023\/09\/lune-europe.webp?fit=970%2C546&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2023\/09\/lune-europe.webp?fit=970%2C546&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2023\/09\/lune-europe.webp?fit=970%2C546&ssl=1&resize=700%2C400 2x"},"classes":[]},{"id":6960,"url":"https:\/\/www.laterredufutur.com\/accueil\/y-a-t-il-de-la-vie-sur-europe\/","url_meta":{"origin":6745,"position":2},"title":"Y a-t-il de la vie sur Europe ?","author":"Admin","date":"31 mai 2015","format":false,"excerpt":"Y a-t-il de la vie sur Europe ? C'est ce que la derni\u00e8re mission de la NASA esp\u00e8re trouver . Cette semaine, la r\u00e9alisation du projet \"Europa clipper\" s'est pr\u00e9cis\u00e9e. D'ici une dizaine d'ann\u00e9es, un vaisseau spatial pourrait tourner en orbite autour d'Europe, satellite de Jupiter, premi\u00e8re \u00e9tape vers 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\/2014\/11\/.._photos_europe3.jpg?fit=450%2C582&ssl=1&resize=350%2C200","width":350,"height":200},"classes":[]},{"id":13801,"url":"https:\/\/www.laterredufutur.com\/accueil\/notre-systeme-solaire-contient-des-oceans-partout\/","url_meta":{"origin":6745,"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":13412,"url":"https:\/\/www.laterredufutur.com\/accueil\/objectif-europe-revelations-de-la-nasa\/","url_meta":{"origin":6745,"position":4},"title":"Objectif Europe, r\u00e9v\u00e9lations de la NASA ?","author":"Admin","date":"23 septembre 2016","format":false,"excerpt":"Le 26 septembre 2016, la Nasa va tenir une conf\u00e9rence de presse pour pr\u00e9senter les r\u00e9sultats des analyses du t\u00e9lescope spatial Hubble. Elle a assur\u00e9 avoir une r\u00e9v\u00e9lation surprenante \u00e0 faire concernant Europe, l\u2019un des satellites de Jupiter. Jupiter poss\u00e8de en plus d\u2019Europe, trois autres satellites galil\u00e9ens : Ganym\u00e8de, Io\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\/2014\/11\/.._photos_europe2.jpg?fit=450%2C466&ssl=1&resize=350%2C200","width":350,"height":200},"classes":[]},{"id":15012,"url":"https:\/\/www.laterredufutur.com\/accueil\/la-nasa-annonce-quune-des-lunes-de-saturne-pourrait-abriter-la-vie-extraterrestre\/","url_meta":{"origin":6745,"position":5},"title":"La Nasa annonce qu\u2019une des lunes de Saturne pourrait abriter la vie extraterrestre","author":"Admin","date":"13 avril 2017","format":false,"excerpt":"L'agence am\u00e9ricaine a pr\u00e9sent\u00e9 ses derni\u00e8res d\u00e9couvertes, jeudi... La Nasa a d\u00e9couvert de l\u2019hydrog\u00e8ne dans les geysers \u00e0 la surface d\u2019Encelade, l\u2019une des satellites de Saturne, qui pr\u00e9sente des conditions propices \u00e0 l'\u00e9tablissement de la vie. La recherche de la vie ailleurs dans le syst\u00e8me solaire progresse \u00e0 petits pas,\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\/encelade1.jpg?fit=900%2C506&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2015\/10\/encelade1.jpg?fit=900%2C506&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2015\/10\/encelade1.jpg?fit=900%2C506&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2015\/10\/encelade1.jpg?fit=900%2C506&ssl=1&resize=700%2C400 2x"},"classes":[]}],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/posts\/6745","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=6745"}],"version-history":[{"count":3,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/posts\/6745\/revisions"}],"predecessor-version":[{"id":6751,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/posts\/6745\/revisions\/6751"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/media\/2313"}],"wp:attachment":[{"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/media?parent=6745"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/categories?post=6745"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/tags?post=6745"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}