{"id":11476,"date":"2017-09-16T15:34:40","date_gmt":"2017-09-16T13:34:40","guid":{"rendered":"https:\/\/www.stelvision.com\/astro\/?p=11476"},"modified":"2024-09-10T16:12:53","modified_gmt":"2024-09-10T14:12:53","slug":"la-plongee-de-cassini-sur-saturne","status":"publish","type":"post","link":"https:\/\/www.stelvision.com\/astro\/la-plongee-de-cassini-sur-saturne\/","title":{"rendered":"La plong\u00e9e de Cassini sur Saturne"},"content":{"rendered":"\n<p class=\"chapo\">L&rsquo;odyss\u00e9e saturnienne de la sonde Cassini se termine en apoth\u00e9ose, avec une plong\u00e9e finale sur la plan\u00e8te le 15&nbsp;septembre 2017.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter\"><img decoding=\"async\" width=\"700\" height=\"700\" src=\"https:\/\/www.stelvision.com\/astro\/wp-content\/uploads\/2019\/12\/Supreme_Saturn_node_full_image_2.jpg\" alt=\"\" class=\"wp-image-11481\" srcset=\"https:\/\/www.stelvision.com\/astro\/wp-content\/uploads\/2019\/12\/Supreme_Saturn_node_full_image_2.jpg 700w, https:\/\/www.stelvision.com\/astro\/wp-content\/uploads\/2019\/12\/Supreme_Saturn_node_full_image_2-150x150.jpg 150w, https:\/\/www.stelvision.com\/astro\/wp-content\/uploads\/2019\/12\/Supreme_Saturn_node_full_image_2-300x300.jpg 300w, https:\/\/www.stelvision.com\/astro\/wp-content\/uploads\/2019\/12\/Supreme_Saturn_node_full_image_2-570x570.jpg 570w, https:\/\/www.stelvision.com\/astro\/wp-content\/uploads\/2019\/12\/Supreme_Saturn_node_full_image_2-368x368.jpg 368w, https:\/\/www.stelvision.com\/astro\/wp-content\/uploads\/2019\/12\/Supreme_Saturn_node_full_image_2-270x270.jpg 270w, https:\/\/www.stelvision.com\/astro\/wp-content\/uploads\/2019\/12\/Supreme_Saturn_node_full_image_2-62x62.jpg 62w, https:\/\/www.stelvision.com\/astro\/wp-content\/uploads\/2019\/12\/Supreme_Saturn_node_full_image_2-100x100.jpg 100w\" sizes=\"(max-width: 700px) 100vw, 700px\" \/><figcaption class=\"wp-element-caption\"><strong> Une des plus spectaculaires photos de Saturne prise par la sonde Cassini et publi\u00e9e en 2014. Le p\u00f4le nord saturnien est visible en haut, avec une \u00e9tonnante formation nuageuse de forme hexagonale appel\u00e9e&#8230; l&rsquo;hexagone. Au centre de l&rsquo;hexagone se trouve un tourbillon (vortex).<\/strong><br>Cr\u00e9dit&nbsp;: NASA\/JPL-Caltech\/Space Science Institute <\/figcaption><\/figure>\n<\/div>\n\n\n<h2 class=\"wp-block-heading\">La grandiose mission Cassini-Huygens<\/h2>\n\n\n\n<p>La mission Cassini-Huygens fait parler d&rsquo;elle depuis longtemps. D\u00e9cid\u00e9e dans les ann\u00e9es 1980, elle est lanc\u00e9e en 1997 apr\u00e8s une longue p\u00e9riode de d\u00e9veloppement, se place en orbite autour de Saturne en 2004 et renvoie depuis vers la Terre une masse impressionnante d&rsquo;images et autres donn\u00e9es.<\/p>\n\n\n\n<p>C&rsquo;est une des plus merveilleuses missions interplan\u00e9taires. D&rsquo;abord, parce qu&rsquo;il s&rsquo;agit de Saturne, la mythique plan\u00e8te aux anneaux, et de ses satellites. Ensuite, parce qu&rsquo;elle encha\u00eene les prouesses technologiques et les succ\u00e8s scientifiques, pour le bonheur des  astronomes et du grand public.<\/p>\n\n\n\n<p>Souvenons-nous&nbsp;: non seulement la sonde Cassini nous a r\u00e9guli\u00e8rement fait d\u00e9couvrir des photos de Saturne \u00e0 couper le souffle, mais en 2005 elle a largu\u00e9 un atterrisseur sur Titan, le principal satellite de Saturne. Cet atterrisseur se nommait Huygens, une r\u00e9alisation de l&rsquo;Agence Spatiale Europ\u00e9enne (ESA) et de l&rsquo;Agence Spatiale Italienne (ASI). Une tr\u00e8s belle coop\u00e9ration  am\u00e9ricano-europ\u00e9enne et un succ\u00e8s spectaculaire apr\u00e8s bien des ann\u00e9es de travail et un voyage qui aura dur\u00e9 7&nbsp;ans.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Le \u00ab\u00a0grand final\u00a0\u00bb mis en sc\u00e8ne par la NASA<\/h2>\n\n\n\n<p>Apr\u00e8s 20 ans pass\u00e9s dans l&rsquo;espace, la sonde Cassini arrive \u00e0 court de carburant. La NASA a d\u00e9cid\u00e9 de terminer la mission de Cassini de mani\u00e8re spectaculaire, avec des  \u00ab\u00a0plongeons\u00a0\u00bb entre Saturne et ses anneaux. Puis, le 15&nbsp;septembre&nbsp;2017, la sonde doit foncer vers la surface gazeuse de la plan\u00e8te et s&rsquo;y d\u00e9sint\u00e9grer. Tout cela a \u00e9t\u00e9 litt\u00e9ralement mise en sc\u00e8ne par la NASA, dans une vid\u00e9o superbe qui ressemble \u00e0 une bande-annonce de blockbuster am\u00e9ricain&nbsp;!<\/p>\n\n\n\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube aligncenter wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe loading=\"lazy\" title=\"NASA at Saturn: Cassini&#039;s Grand Finale\" width=\"1778\" height=\"1000\" src=\"https:\/\/www.youtube.com\/embed\/xrGAQCq9BMU?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" allowfullscreen><\/iframe>\n<\/div><figcaption class=\"wp-element-caption\"><strong> L&rsquo;essentiel en fran\u00e7ais&nbsp;: cette vid\u00e9o de la NASA rappelle le parcours de Cassini, dont la mission va bient\u00f4t s&rsquo;achever apr\u00e8s 20&nbsp;ans d&rsquo;odyss\u00e9e spatiale. Avec son d\u00e9collage en 1997 (0:53), son arriv\u00e9e en 2004 (1:08), le largage de l&rsquo;atterrisseur Huygens sur Titan en 2005 (1:15), le survol d&rsquo;Encelade, un satellite recouvert de neige et parsem\u00e9 de geysers (1:35), des vues extraordinaires des anneaux (1:50). Puis commence la description de la fin de la mission, \u00e0 partir du 26&nbsp;avril&nbsp;2017 (2:05) : les 22 plongeons entre Saturne et ses anneaux (2:18) dans une zone inexplor\u00e9e qui s&rsquo;\u00e9tend sur 2&nbsp;000&nbsp;km autour de la plan\u00e8te. Pour finir, l&rsquo;orbite finale, le plongeon vers la surface de Saturne (2:50) et sa d\u00e9sint\u00e9gration le 15&nbsp;septembre&nbsp;2017 (3:20)<\/strong>.<\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Le film du premier plongeon dans les anneaux<\/h2>\n\n\n\n<p>Aussit\u00f4t apr\u00e8s le premier des 22 plongeons \u00e0 l&rsquo;int\u00e9rieur de l&rsquo;orbite des anneaux, la NASA a publi\u00e9 un film qui montre la surface saturnienne de tr\u00e8s pr\u00e8s.<\/p>\n\n\n\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube aligncenter wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe loading=\"lazy\" title=\"NASA: Cassini&#039;s First Fantastic Dive Past Saturn\" width=\"1778\" height=\"1000\" src=\"https:\/\/www.youtube.com\/embed\/9LBLCgCYy0I?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" allowfullscreen><\/iframe>\n<\/div><figcaption class=\"wp-element-caption\"><strong> La plong\u00e9e effectu\u00e9e le 26&nbsp;avril&nbsp;2017. La vid\u00e9o montre d&rsquo;abord les images de la surface de Saturne qui d\u00e9file \u00e0 grande vitesse sous la sonde, depuis le p\u00f4le nord (o\u00f9 le tourbillon est bien visible comme une sorte de trou sombre) jusqu&rsquo;\u00e0 une zone proche de l&rsquo;\u00e9quateur de la plan\u00e8te et du plan de l&rsquo;orbite des anneaux. Le film repr\u00e9sente une heure de trajet, durant laquelle la sonde a litt\u00e9ralement plong\u00e9, voyant son altitude passer de 72&nbsp;400&nbsp;km \u00e0 6&nbsp;700&nbsp;km. Le m\u00eame film est ensuite rejou\u00e9 en montrant le d\u00e9placement de la sonde. On voit que la sonde se retourne \u00e0 l&rsquo;approche des anneaux&nbsp;: le but de la man\u0153uvre est de se servir de sa grosse antenne de t\u00e9l\u00e9communication comme d&rsquo;un bouclier pour se prot\u00e9ger d&rsquo;\u00e9ventuels d\u00e9bris dans la zone des anneaux. <\/strong><\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">14 et 15&nbsp;septembre 2017&nbsp;: le plongeon final<\/h2>\n\n\n\n<p>Voici le d\u00e9roul\u00e9 des \u00e9v\u00e9nements&nbsp;:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>14\u00a0septembre, 21h58 heure de Paris (19h58 TU)\u00a0: derni\u00e8re prise de vue. L&rsquo;image est stock\u00e9e en m\u00e9moire avec d&rsquo;autres donn\u00e9es.<\/li>\n\n\n\n<li>14\u00a0septembre, 22h22 heure de Paris (20h22 TU)\u00a0: envoi de l&rsquo;image et des donn\u00e9es vers la Terre, qui commence \u00e0 les recevoir \u00e0 23h45 heure  de Paris (21h45 TU). La transmission des donn\u00e9es enregistr\u00e9es prend  plusieurs heures.<\/li>\n\n\n\n<li>15\u00a0septembre \u00e0 10h37 heure de Paris (8h37 TU)\u00a0: fin de la transmission des donn\u00e9es enregistr\u00e9es. La sonde commence une session de transmission en direct (sans enregistrement) pour ses derni\u00e8res heures de mission.<\/li>\n\n\n\n<li>15\u00a0septembre, 12h31 heure de Paris (10h31 TU)\u00a0: entr\u00e9e dans l&rsquo;atmosph\u00e8re et d\u00e9sint\u00e9gration apr\u00e8s une minute environ, sous l&rsquo;effet du frottement atmosph\u00e9rique. \u00c0 ce moment, la Terre continue de recevoir des informations car il faut pr\u00e8s de 1h30 aux signaux pour franchir les 1,4 milliards de kilom\u00e8tres qui s\u00e9parent Saturne de la Terre.<\/li>\n\n\n\n<li>Juste avant la d\u00e9sint\u00e9gration, les derni\u00e8res ressources de la sonde sont d\u00e9di\u00e9es \u00e0 des mesures physico-chimiques \u00e0 l&rsquo;aide d&rsquo;une dizaine de capteurs.<\/li>\n\n\n\n<li>15\u00a0septembre, 13h55 heure de Paris (11h55 TU)\u00a0: perte du signal, qui confirme la d\u00e9sint\u00e9gration de Cassini.<\/li>\n<\/ul>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter\"><img decoding=\"async\" width=\"505\" height=\"508\" src=\"https:\/\/www.stelvision.com\/astro\/wp-content\/uploads\/2019\/12\/3120_PIA21895_ImpactSite_FigA_FINALIMAGE_2.png\" alt=\"Derni\u00e8re image prise par la sonde Cassini, quelques heures avant son impact sur Saturne. Cr\u00e9dit : NASA\/JPL-Caltech\/SSI\" class=\"wp-image-11483\" srcset=\"https:\/\/www.stelvision.com\/astro\/wp-content\/uploads\/2019\/12\/3120_PIA21895_ImpactSite_FigA_FINALIMAGE_2.png 505w, https:\/\/www.stelvision.com\/astro\/wp-content\/uploads\/2019\/12\/3120_PIA21895_ImpactSite_FigA_FINALIMAGE_2-150x150.png 150w, https:\/\/www.stelvision.com\/astro\/wp-content\/uploads\/2019\/12\/3120_PIA21895_ImpactSite_FigA_FINALIMAGE_2-298x300.png 298w, https:\/\/www.stelvision.com\/astro\/wp-content\/uploads\/2019\/12\/3120_PIA21895_ImpactSite_FigA_FINALIMAGE_2-368x370.png 368w, https:\/\/www.stelvision.com\/astro\/wp-content\/uploads\/2019\/12\/3120_PIA21895_ImpactSite_FigA_FINALIMAGE_2-270x272.png 270w, https:\/\/www.stelvision.com\/astro\/wp-content\/uploads\/2019\/12\/3120_PIA21895_ImpactSite_FigA_FINALIMAGE_2-62x62.png 62w, https:\/\/www.stelvision.com\/astro\/wp-content\/uploads\/2019\/12\/3120_PIA21895_ImpactSite_FigA_FINALIMAGE_2-100x100.png 100w\" sizes=\"(max-width: 505px) 100vw, 505px\" \/><figcaption class=\"wp-element-caption\"> <strong>Voici la toute derni\u00e8re image prise par Cassini, quelques heures avant l&rsquo;impact<\/strong>.<br>Cr\u00e9dit&nbsp;: NASA\/JPL-Caltech\/SSI<\/figcaption><\/figure>\n<\/div>\n\n\n<h2 class=\"wp-block-heading\">Et maintenant&#8230;<\/h2>\n\n\n\n<p>Cette s\u00e9quence finale a une grande valeur symbolique pour ceux qui ont travaill\u00e9 sur la mission ou qui ont simplement suivi l&rsquo;odyss\u00e9e de Cassini depuis son lancement il y a 20&nbsp;ans. Mais l&rsquo;aventure n&rsquo;est pas vraiment finie, car il faudra du temps aux scientifiques pour exploiter la masse d&rsquo;informations collect\u00e9es, notamment celles re\u00e7ues lors des derniers moments de la sonde.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Vous pouvez retrouver une mine d&rsquo;information directement sur le <a href=\"https:\/\/science.nasa.gov\/mission\/cassini\/\" target=\"_blank\" rel=\"noreferrer noopener\">site d\u00e9di\u00e9 \u00e0 la mission<\/a> (en anglais).<\/li>\n\n\n\n<li>N&rsquo;oubliez pas non plus que <strong>Saturne est visible \u00e0 l&rsquo;\u0153il nu<\/strong>\u00a0! Vous pouvez donc vivre en compagnie de la plan\u00e8te aux anneaux et r\u00eaver aux exploits de la sonde Cassini, simplement en fixant cet astre qui ressemble \u00e0 une \u00e9toile dans le ciel. Et si vous avez la chance d&rsquo;avoir un t\u00e9lescope, le spectacle des anneaux est toujours garanti\u00a0! <br><i class=\"neko-icon-play\" style=\"color: #4FB8D7\"><\/i><a href=\"https:\/\/www.stelvision.com\/astro\/observer-saturne\/\">Notre page sp\u00e9ciale Saturne avec toutes les infos pour l&rsquo;observer<\/a>.<\/li>\n<\/ul>\n\n\n\t\t\t\t\t\t<div style=\"margin-bottom: 18px;\">\t\t\t\t<a rel=\"nofollow\" href=\"https:\/\/www.stelvision.com\/astro\/boutique\/le-ciel-au-telescope\/?ref=bottom\">\r\n\t\t\t\t\t<img decoding=\"async\" src=\"https:\/\/www.stelvision.com\/astro\/wp-content\/uploads\/2025\/10\/Ciel-au-telescope-1200x900-1.webp\" alt=\"visuel publicitaire livre le Ciel au t\u00e9lescope\" class=\"img-responsive\">\r\n\t\t\t\t<\/a>\r\n\t\t\t\t<p style=\"text-align: center; margin-bottom: 0em; margin-top: 0.25em;\"><strong><a rel=\"nofollow\" href=\"https:\/\/www.stelvision.com\/astro\/boutique\/le-ciel-au-telescope\/?ref=bottom\">Le Ciel au t\u00e9lescope, le guide indispensable pour r\u00e9ussir vos observations<\/a><\/strong><\/p>\r\n\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"<p>L&rsquo;odyss\u00e9e saturnienne de la sonde Cassini se termine en apoth\u00e9ose, avec une plong\u00e9e finale sur la plan\u00e8te le 15 septembre 2017.<\/p>\n","protected":false},"author":1,"featured_media":11481,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[3],"tags":[],"class_list":["post-11476","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-science-espace"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.1.1 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>La plong\u00e9e de Cassini sur Saturne<\/title>\n<meta name=\"description\" content=\"L&#039;odyss\u00e9e saturnienne de la sonde Cassini se termine en apoth\u00e9ose, avec une plong\u00e9e finale sur la plan\u00e8te le 15 septembre 2017.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.stelvision.com\/astro\/la-plongee-de-cassini-sur-saturne\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"La plong\u00e9e de Cassini sur Saturne\" \/>\n<meta property=\"og:description\" content=\"L&#039;odyss\u00e9e saturnienne de la sonde Cassini se termine en apoth\u00e9ose, avec une plong\u00e9e finale sur la plan\u00e8te le 15 septembre 2017.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.stelvision.com\/astro\/la-plongee-de-cassini-sur-saturne\/\" \/>\n<meta property=\"og:site_name\" content=\"Stelvision\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/people\/Stelvision\/100063368192331\/\" \/>\n<meta property=\"article:published_time\" content=\"2017-09-16T13:34:40+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2024-09-10T14:12:53+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.stelvision.com\/astro\/wp-content\/uploads\/2019\/12\/Supreme_Saturn_node_full_image_2.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"700\" \/>\n\t<meta property=\"og:image:height\" content=\"700\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Bertrand d&#039;Armagnac\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u00c9crit par\" \/>\n\t<meta name=\"twitter:data1\" content=\"Bertrand d&#039;Armagnac\" \/>\n\t<meta name=\"twitter:label2\" content=\"Dur\u00e9e de lecture estim\u00e9e\" \/>\n\t<meta name=\"twitter:data2\" content=\"6 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/www.stelvision.com\/astro\/la-plongee-de-cassini-sur-saturne\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/www.stelvision.com\/astro\/la-plongee-de-cassini-sur-saturne\/\"},\"author\":{\"name\":\"Bertrand d'Armagnac\",\"@id\":\"https:\/\/www.stelvision.com\/astro\/#\/schema\/person\/46766957349a30f84232506532ab805d\"},\"headline\":\"La plong\u00e9e de Cassini sur Saturne\",\"datePublished\":\"2017-09-16T13:34:40+00:00\",\"dateModified\":\"2024-09-10T14:12:53+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/www.stelvision.com\/astro\/la-plongee-de-cassini-sur-saturne\/\"},\"wordCount\":1123,\"publisher\":{\"@id\":\"https:\/\/www.stelvision.com\/astro\/#organization\"},\"image\":{\"@id\":\"https:\/\/www.stelvision.com\/astro\/la-plongee-de-cassini-sur-saturne\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/www.stelvision.com\/astro\/wp-content\/uploads\/2019\/12\/Supreme_Saturn_node_full_image_2.jpg\",\"articleSection\":[\"Science &amp; Espace\"],\"inLanguage\":\"fr-FR\"},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.stelvision.com\/astro\/la-plongee-de-cassini-sur-saturne\/\",\"url\":\"https:\/\/www.stelvision.com\/astro\/la-plongee-de-cassini-sur-saturne\/\",\"name\":\"La plong\u00e9e de Cassini sur Saturne\",\"isPartOf\":{\"@id\":\"https:\/\/www.stelvision.com\/astro\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/www.stelvision.com\/astro\/la-plongee-de-cassini-sur-saturne\/#primaryimage\"},\"image\":{\"@id\":\"https:\/\/www.stelvision.com\/astro\/la-plongee-de-cassini-sur-saturne\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/www.stelvision.com\/astro\/wp-content\/uploads\/2019\/12\/Supreme_Saturn_node_full_image_2.jpg\",\"datePublished\":\"2017-09-16T13:34:40+00:00\",\"dateModified\":\"2024-09-10T14:12:53+00:00\",\"description\":\"L'odyss\u00e9e saturnienne de la sonde Cassini se termine en apoth\u00e9ose, avec une plong\u00e9e finale sur la plan\u00e8te le 15 septembre 2017.\",\"breadcrumb\":{\"@id\":\"https:\/\/www.stelvision.com\/astro\/la-plongee-de-cassini-sur-saturne\/#breadcrumb\"},\"inLanguage\":\"fr-FR\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.stelvision.com\/astro\/la-plongee-de-cassini-sur-saturne\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"fr-FR\",\"@id\":\"https:\/\/www.stelvision.com\/astro\/la-plongee-de-cassini-sur-saturne\/#primaryimage\",\"url\":\"https:\/\/www.stelvision.com\/astro\/wp-content\/uploads\/2019\/12\/Supreme_Saturn_node_full_image_2.jpg\",\"contentUrl\":\"https:\/\/www.stelvision.com\/astro\/wp-content\/uploads\/2019\/12\/Supreme_Saturn_node_full_image_2.jpg\",\"width\":700,\"height\":700},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.stelvision.com\/astro\/la-plongee-de-cassini-sur-saturne\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Accueil\",\"item\":\"https:\/\/www.stelvision.com\/astro\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"La plong\u00e9e de Cassini sur Saturne\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.stelvision.com\/astro\/#website\",\"url\":\"https:\/\/www.stelvision.com\/astro\/\",\"name\":\"Stelvision\",\"description\":\"conseils, livres et mat\u00e9riel d&#039;observation du ciel\",\"publisher\":{\"@id\":\"https:\/\/www.stelvision.com\/astro\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/www.stelvision.com\/astro\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"fr-FR\"},{\"@type\":\"Organization\",\"@id\":\"https:\/\/www.stelvision.com\/astro\/#organization\",\"name\":\"Stelvision\",\"url\":\"https:\/\/www.stelvision.com\/astro\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"fr-FR\",\"@id\":\"https:\/\/www.stelvision.com\/astro\/#\/schema\/logo\/image\/\",\"url\":\"https:\/\/www.stelvision.com\/astro\/wp-content\/uploads\/2019\/03\/logo_lisse_bleu_Stelvision_600.png\",\"contentUrl\":\"https:\/\/www.stelvision.com\/astro\/wp-content\/uploads\/2019\/03\/logo_lisse_bleu_Stelvision_600.png\",\"width\":600,\"height\":277,\"caption\":\"Stelvision\"},\"image\":{\"@id\":\"https:\/\/www.stelvision.com\/astro\/#\/schema\/logo\/image\/\"},\"sameAs\":[\"https:\/\/www.facebook.com\/people\/Stelvision\/100063368192331\/\"]},{\"@type\":\"Person\",\"@id\":\"https:\/\/www.stelvision.com\/astro\/#\/schema\/person\/46766957349a30f84232506532ab805d\",\"name\":\"Bertrand d'Armagnac\",\"url\":\"https:\/\/www.stelvision.com\/astro\/author\/administel\/\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"La plong\u00e9e de Cassini sur Saturne","description":"L'odyss\u00e9e saturnienne de la sonde Cassini se termine en apoth\u00e9ose, avec une plong\u00e9e finale sur la plan\u00e8te le 15 septembre 2017.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.stelvision.com\/astro\/la-plongee-de-cassini-sur-saturne\/","og_locale":"fr_FR","og_type":"article","og_title":"La plong\u00e9e de Cassini sur Saturne","og_description":"L'odyss\u00e9e saturnienne de la sonde Cassini se termine en apoth\u00e9ose, avec une plong\u00e9e finale sur la plan\u00e8te le 15 septembre 2017.","og_url":"https:\/\/www.stelvision.com\/astro\/la-plongee-de-cassini-sur-saturne\/","og_site_name":"Stelvision","article_publisher":"https:\/\/www.facebook.com\/people\/Stelvision\/100063368192331\/","article_published_time":"2017-09-16T13:34:40+00:00","article_modified_time":"2024-09-10T14:12:53+00:00","og_image":[{"width":700,"height":700,"url":"https:\/\/www.stelvision.com\/astro\/wp-content\/uploads\/2019\/12\/Supreme_Saturn_node_full_image_2.jpg","type":"image\/jpeg"}],"author":"Bertrand d'Armagnac","twitter_card":"summary_large_image","twitter_misc":{"\u00c9crit par":"Bertrand d'Armagnac","Dur\u00e9e de lecture estim\u00e9e":"6 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/www.stelvision.com\/astro\/la-plongee-de-cassini-sur-saturne\/#article","isPartOf":{"@id":"https:\/\/www.stelvision.com\/astro\/la-plongee-de-cassini-sur-saturne\/"},"author":{"name":"Bertrand d'Armagnac","@id":"https:\/\/www.stelvision.com\/astro\/#\/schema\/person\/46766957349a30f84232506532ab805d"},"headline":"La plong\u00e9e de Cassini sur Saturne","datePublished":"2017-09-16T13:34:40+00:00","dateModified":"2024-09-10T14:12:53+00:00","mainEntityOfPage":{"@id":"https:\/\/www.stelvision.com\/astro\/la-plongee-de-cassini-sur-saturne\/"},"wordCount":1123,"publisher":{"@id":"https:\/\/www.stelvision.com\/astro\/#organization"},"image":{"@id":"https:\/\/www.stelvision.com\/astro\/la-plongee-de-cassini-sur-saturne\/#primaryimage"},"thumbnailUrl":"https:\/\/www.stelvision.com\/astro\/wp-content\/uploads\/2019\/12\/Supreme_Saturn_node_full_image_2.jpg","articleSection":["Science &amp; Espace"],"inLanguage":"fr-FR"},{"@type":"WebPage","@id":"https:\/\/www.stelvision.com\/astro\/la-plongee-de-cassini-sur-saturne\/","url":"https:\/\/www.stelvision.com\/astro\/la-plongee-de-cassini-sur-saturne\/","name":"La plong\u00e9e de Cassini sur Saturne","isPartOf":{"@id":"https:\/\/www.stelvision.com\/astro\/#website"},"primaryImageOfPage":{"@id":"https:\/\/www.stelvision.com\/astro\/la-plongee-de-cassini-sur-saturne\/#primaryimage"},"image":{"@id":"https:\/\/www.stelvision.com\/astro\/la-plongee-de-cassini-sur-saturne\/#primaryimage"},"thumbnailUrl":"https:\/\/www.stelvision.com\/astro\/wp-content\/uploads\/2019\/12\/Supreme_Saturn_node_full_image_2.jpg","datePublished":"2017-09-16T13:34:40+00:00","dateModified":"2024-09-10T14:12:53+00:00","description":"L'odyss\u00e9e saturnienne de la sonde Cassini se termine en apoth\u00e9ose, avec une plong\u00e9e finale sur la plan\u00e8te le 15 septembre 2017.","breadcrumb":{"@id":"https:\/\/www.stelvision.com\/astro\/la-plongee-de-cassini-sur-saturne\/#breadcrumb"},"inLanguage":"fr-FR","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.stelvision.com\/astro\/la-plongee-de-cassini-sur-saturne\/"]}]},{"@type":"ImageObject","inLanguage":"fr-FR","@id":"https:\/\/www.stelvision.com\/astro\/la-plongee-de-cassini-sur-saturne\/#primaryimage","url":"https:\/\/www.stelvision.com\/astro\/wp-content\/uploads\/2019\/12\/Supreme_Saturn_node_full_image_2.jpg","contentUrl":"https:\/\/www.stelvision.com\/astro\/wp-content\/uploads\/2019\/12\/Supreme_Saturn_node_full_image_2.jpg","width":700,"height":700},{"@type":"BreadcrumbList","@id":"https:\/\/www.stelvision.com\/astro\/la-plongee-de-cassini-sur-saturne\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Accueil","item":"https:\/\/www.stelvision.com\/astro\/"},{"@type":"ListItem","position":2,"name":"La plong\u00e9e de Cassini sur Saturne"}]},{"@type":"WebSite","@id":"https:\/\/www.stelvision.com\/astro\/#website","url":"https:\/\/www.stelvision.com\/astro\/","name":"Stelvision","description":"conseils, livres et mat\u00e9riel d&#039;observation du ciel","publisher":{"@id":"https:\/\/www.stelvision.com\/astro\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.stelvision.com\/astro\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"fr-FR"},{"@type":"Organization","@id":"https:\/\/www.stelvision.com\/astro\/#organization","name":"Stelvision","url":"https:\/\/www.stelvision.com\/astro\/","logo":{"@type":"ImageObject","inLanguage":"fr-FR","@id":"https:\/\/www.stelvision.com\/astro\/#\/schema\/logo\/image\/","url":"https:\/\/www.stelvision.com\/astro\/wp-content\/uploads\/2019\/03\/logo_lisse_bleu_Stelvision_600.png","contentUrl":"https:\/\/www.stelvision.com\/astro\/wp-content\/uploads\/2019\/03\/logo_lisse_bleu_Stelvision_600.png","width":600,"height":277,"caption":"Stelvision"},"image":{"@id":"https:\/\/www.stelvision.com\/astro\/#\/schema\/logo\/image\/"},"sameAs":["https:\/\/www.facebook.com\/people\/Stelvision\/100063368192331\/"]},{"@type":"Person","@id":"https:\/\/www.stelvision.com\/astro\/#\/schema\/person\/46766957349a30f84232506532ab805d","name":"Bertrand d'Armagnac","url":"https:\/\/www.stelvision.com\/astro\/author\/administel\/"}]}},"_links":{"self":[{"href":"https:\/\/www.stelvision.com\/astro\/wp-json\/wp\/v2\/posts\/11476","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.stelvision.com\/astro\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.stelvision.com\/astro\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.stelvision.com\/astro\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.stelvision.com\/astro\/wp-json\/wp\/v2\/comments?post=11476"}],"version-history":[{"count":5,"href":"https:\/\/www.stelvision.com\/astro\/wp-json\/wp\/v2\/posts\/11476\/revisions"}],"predecessor-version":[{"id":64226,"href":"https:\/\/www.stelvision.com\/astro\/wp-json\/wp\/v2\/posts\/11476\/revisions\/64226"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.stelvision.com\/astro\/wp-json\/wp\/v2\/media\/11481"}],"wp:attachment":[{"href":"https:\/\/www.stelvision.com\/astro\/wp-json\/wp\/v2\/media?parent=11476"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.stelvision.com\/astro\/wp-json\/wp\/v2\/categories?post=11476"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.stelvision.com\/astro\/wp-json\/wp\/v2\/tags?post=11476"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}