{"id":1243,"date":"2014-11-29T07:42:11","date_gmt":"2014-11-29T07:42:11","guid":{"rendered":"https:\/\/blogs.futura-sciences.com\/feldmann\/?p=1243"},"modified":"2014-12-02T12:59:09","modified_gmt":"2014-12-02T12:59:09","slug":"iles-mysterieuses-titan","status":"publish","type":"post","link":"https:\/\/blogs.futura-sciences.com\/feldmann\/2014\/11\/29\/iles-mysterieuses-titan\/","title":{"rendered":"Des \u00eeles myst\u00e9rieuses sur Titan"},"content":{"rendered":"<p>Titan, le plus grand satellite de <a title=\"Saturne au plus pr\u00e8s\" href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/2014\/05\/19\/saturne-au-pres\/\" target=\"_blank\">Saturne <\/a>avec un peu plus de 5000 kilom\u00e8tres de diam\u00e8tre, a \u00e9t\u00e9 d\u00e9couvert par l&#8217;astronome Christian Huygens en 1655.<\/p>\n<p>Entour\u00e9 d&#8217;une \u00e9paisse atmosph\u00e8re, Titan n&#8217;a r\u00e9v\u00e9l\u00e9 sa surface que depuis une dizaine d&#8217;ann\u00e9es gr\u00e2ce \u00e0 la mission am\u00e9ricano-europ\u00e9enne Cassini-Huygens (Cassini est l&#8217;orbiteur qui survole Saturne et ses satellites depuis 2004, Huygens est la sonde qui s&#8217;est pos\u00e9e sur Titan en janvier 2005). On a alors d\u00e9couvert sur ce satellite de grands lacs d&#8217;hydrocarbures (\u00e9thane et m\u00e9thane).<\/p>\n<p><a href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2014\/11\/titan2.jpg\" rel=\"lightbox[1243]\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-1245\" src=\"https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2014\/11\/titan2-450x265.jpg\" alt=\"titan2\" width=\"450\" height=\"265\" srcset=\"https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2014\/11\/titan2-450x265.jpg 450w, https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2014\/11\/titan2-1024x605.jpg 1024w, https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2014\/11\/titan2.jpg 1200w\" sizes=\"auto, (max-width: 450px) 100vw, 450px\" \/><\/a><\/p>\n<p>C&#8217;est sur ces vastes \u00e9tendues liquides et glac\u00e9es (il fait en moyenne -180\u00b0 C \u00e0 la surface de Titan) que les chercheurs ont rep\u00e9r\u00e9 ces derni\u00e8res ann\u00e9es deux formes inconnues. D&#8217;apr\u00e8s les donn\u00e9es fournies par le spectrom\u00e8tre Vims (<em>Visible and Infrared Mapping Spectrometer<\/em>)\u00a0de l&#8217;orbiteur Cassini, il pourrait s&#8217;agir de vagues ou d&#8217;\u00eelots de d\u00e9bris.<\/p>\n<p>En attendant une nouvelle campagne d&#8217;observations d\u00e9but 2015, les scientifiques ont d\u00e9j\u00e0 baptis\u00e9 ces zones <em>Magic Island<\/em>, les \u00eeles magiques.<\/p>\n<!-- AddThis Advanced Settings generic via filter on the_content --><!-- AddThis Share Buttons generic via filter on the_content -->","protected":false},"excerpt":{"rendered":"<p>Titan, le plus grand satellite de Saturne avec un peu plus de 5000 kilom\u00e8tres de diam\u00e8tre, a \u00e9t\u00e9 d\u00e9couvert par l&#8217;astronome Christian Huygens en 1655. Entour\u00e9 d&#8217;une \u00e9paisse atmosph\u00e8re, Titan n&#8217;a r\u00e9v\u00e9l\u00e9 sa surface que depuis une dizaine d&#8217;ann\u00e9es gr\u00e2ce \u00e0 la mission am\u00e9ricano-europ\u00e9enne Cassini-Huygens (Cassini est l&#8217;orbiteur qui survole Saturne et ses satellites depuis &hellip; <a href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/2014\/11\/29\/iles-mysterieuses-titan\/\" class=\"more-link\">Continuer la lecture de <span class=\"screen-reader-text\">Des \u00eeles myst\u00e9rieuses sur Titan<\/span>  <span class=\"meta-nav\">&rarr;<\/span><\/a><!-- AddThis Advanced Settings generic via filter on get_the_excerpt --><!-- AddThis Share Buttons generic via filter on get_the_excerpt --><\/p>\n","protected":false},"author":8,"featured_media":1244,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_links_to":"","_links_to_target":""},"categories":[509],"tags":[94,125,569,573,572,571,576,574,570,534,568,136,575,567],"class_list":["post-1243","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-actualites","tag-astronome","tag-atmosphere","tag-christian-huygens","tag-ethane","tag-hydrocarbure","tag-lac","tag-magic-island","tag-methane","tag-mission-cassini-huygens","tag-orbiteur","tag-satellite","tag-saturne","tag-spectrometre","tag-titan"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Des \u00eeles myst\u00e9rieuses sur Titan<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/2014\/11\/29\/iles-mysterieuses-titan\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Des \u00eeles myst\u00e9rieuses sur Titan\" \/>\n<meta property=\"og:description\" content=\"Titan, le plus grand satellite de Saturne avec un peu plus de 5000 kilom\u00e8tres de diam\u00e8tre, a \u00e9t\u00e9 d\u00e9couvert par l&#8217;astronome Christian Huygens en 1655. Entour\u00e9 d&#8217;une \u00e9paisse atmosph\u00e8re, Titan n&#8217;a r\u00e9v\u00e9l\u00e9 sa surface que depuis une dizaine d&#8217;ann\u00e9es gr\u00e2ce \u00e0 la mission am\u00e9ricano-europ\u00e9enne Cassini-Huygens (Cassini est l&#8217;orbiteur qui survole Saturne et ses satellites depuis &hellip; Continuer la lecture de Des \u00eeles myst\u00e9rieuses sur Titan &rarr;\" \/>\n<meta property=\"og:url\" content=\"https:\/\/blogs.futura-sciences.com\/feldmann\/2014\/11\/29\/iles-mysterieuses-titan\/\" \/>\n<meta property=\"og:site_name\" content=\"CIELMANIA : le blog de Jean-Baptiste FELDMANN, photographe du ciel\" \/>\n<meta property=\"article:published_time\" content=\"2014-11-29T07:42:11+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2014-12-02T12:59:09+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2014\/11\/titan.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1336\" \/>\n\t<meta property=\"og:image:height\" content=\"658\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Jean-Baptiste FELDMANN\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u00c9crit par\" \/>\n\t<meta name=\"twitter:data1\" content=\"Jean-Baptiste FELDMANN\" \/>\n\t<meta name=\"twitter:label2\" content=\"Dur\u00e9e de lecture estim\u00e9e\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/blogs.futura-sciences.com\/feldmann\/2014\/11\/29\/iles-mysterieuses-titan\/\",\"url\":\"https:\/\/blogs.futura-sciences.com\/feldmann\/2014\/11\/29\/iles-mysterieuses-titan\/\",\"name\":\"Des \u00eeles myst\u00e9rieuses sur Titan\",\"isPartOf\":{\"@id\":\"https:\/\/blogs.futura-sciences.com\/feldmann\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/blogs.futura-sciences.com\/feldmann\/2014\/11\/29\/iles-mysterieuses-titan\/#primaryimage\"},\"image\":{\"@id\":\"https:\/\/blogs.futura-sciences.com\/feldmann\/2014\/11\/29\/iles-mysterieuses-titan\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2014\/11\/titan.jpg\",\"datePublished\":\"2014-11-29T07:42:11+00:00\",\"dateModified\":\"2014-12-02T12:59:09+00:00\",\"author\":{\"@id\":\"https:\/\/blogs.futura-sciences.com\/feldmann\/#\/schema\/person\/62b391b709c307783237b759b62731ea\"},\"inLanguage\":\"fr-FR\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/blogs.futura-sciences.com\/feldmann\/2014\/11\/29\/iles-mysterieuses-titan\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"fr-FR\",\"@id\":\"https:\/\/blogs.futura-sciences.com\/feldmann\/2014\/11\/29\/iles-mysterieuses-titan\/#primaryimage\",\"url\":\"https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2014\/11\/titan.jpg\",\"contentUrl\":\"https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2014\/11\/titan.jpg\",\"width\":1336,\"height\":658,\"caption\":\"Des \u00eeles myst\u00e9rieuses sur Titan\"},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/blogs.futura-sciences.com\/feldmann\/#website\",\"url\":\"https:\/\/blogs.futura-sciences.com\/feldmann\/\",\"name\":\"CIELMANIA : le blog de Jean-Baptiste FELDMANN, photographe du ciel\",\"description\":\"&quot;J&#039;ai en moi un besoin terrible. 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