{"id":974,"date":"2005-12-06T09:41:00","date_gmt":"2005-12-06T08:41:00","guid":{"rendered":"https:\/\/kids.esa.int\/titan_s_wintry_wonderland\/"},"modified":"2026-10-08T00:34:24","modified_gmt":"2026-10-07T22:34:24","slug":"titan_s_wintry_wonderland","status":"publish","type":"post","link":"https:\/\/kids.esa.int\/cs\/titan_s_wintry_wonderland\/","title":{"rendered":"Titanova zimn\u00ed \u0159\u00ed\u0161e div\u016f"},"content":{"rendered":"<div class=\"lede\">\n<p>14. ledna 2005 provedla sonda Huygens agentury ESA historick\u00e9 p\u0159ist\u00e1n\u00ed na povrchu Titanu, ob\u0159\u00edho m\u011bs\u00edce Saturnu. Nyn\u00ed, po pe\u010dliv\u00e9 anal\u00fdze dat ze sondy Huygens, v\u011bdci odhalili mnoh\u00e1 tajemstv\u00ed tohoto m\u011bs\u00edce o velikosti planety.<\/p>\n<\/div>\n<p>B\u011bhem sv\u00e9ho 2,5hodinov\u00e9ho sestupu p\u0159\u00edstroje zaznamen\u00e1valy \u00fadaje o teplot\u011b, rychlosti v\u011btru a slo\u017een\u00ed atmosf\u00e9ry. V\u00fdsledky ukazuj\u00ed, \u017ee sonda Huygens za\u017eila bou\u0159liv\u00fd sestup, proto\u017ee ji vysok\u00e9 v\u011btry o rychlosti p\u0159esahuj\u00edc\u00ed 100 km za hodinu un\u00e1\u0161ely sm\u011brem na v\u00fdchod. Jak v\u0161ak sonda klesala skrz oran\u017eov\u00fd opar, teplota a hustota atmosf\u00e9ry se zvy\u0161ovaly a rychlost v\u011btru klesala. Ve v\u00fd\u0161ce 7 km se v\u00edtr obr\u00e1til a v posledn\u00edch minut\u00e1ch sestupu nesl sondu Huygens jemn\u011b sm\u011brem na z\u00e1pad.<\/p>\n<figure class=\"wp-block-image size-natural\" data-width=\"400\" data-credit=\"NASA\/JPL\/Space Science Institute\" data-detail-url=\"https:\/\/www.esa.int\/ESA_Multimedia\/Images\/2005\/11\/Location_of_landing_site2\" data-licence=\"ESA Standard Licence\" data-licence-url=\"https:\/\/www.esa.int\/ESA_Multimedia\/Terms_and_conditions_of_use_of_images_and_videos_available_on_the_esa_website\"><img decoding=\"async\" loading=\"lazy\" style=\"max-width:100%;height:auto\" src=\"https:\/\/www.esa.int\/var\/esa\/storage\/images\/esa_multimedia\/images\/2005\/11\/location_of_landing_site2\/17904712-2-eng-GB\/Location_of_landing_site.jpg\" alt=\"Location of landing site\"><figcaption>Um\u00edst\u011bn\u00ed m\u00edsta p\u0159ist\u00e1n\u00ed<\/figcaption><\/figure>\n<p>Atmosf\u00e9ra se skl\u00e1dala p\u0159ev\u00e1\u017en\u011b z dus\u00edku, s p\u0159ibli\u017en\u011b 5 % metanu, a i mlha v atmosf\u00e9\u0159e byla tvo\u0159ena hlavn\u011b metanem. (Na Zemi se metan spaluje v kotl\u00edch a spor\u00e1c\u00edch.)<\/p>\n<p>Zhruba 350 sn\u00edmk\u016f po\u0159\u00edzen\u00fdch b\u011bhem mise odhalilo ledovou krajinu, kterou prot\u00ednaj\u00ed tmav\u00e9 kan\u00e1ly vinouc\u00ed se sm\u011brem k hladk\u00e9mu \u2018pob\u0159e\u017e\u00ed\u2019. Such\u00e9 kan\u00e1ly ob\u010das zapl\u0148uj\u00ed metanov\u00e9 bou\u0159e, kter\u00e9 vytv\u00e1\u0159ej\u00ed do\u010dasn\u00e9 \u0159eky, je\u017e eroduj\u00ed povrch a un\u00e1\u0161ej\u00ed sypk\u00fd materi\u00e1l na nedalek\u00e9 pl\u00e1n\u011b.<\/p>\n<p>Rovinat\u00e1 n\u00ed\u017einn\u00e1 oblast, kde sonda Huygens p\u0159ist\u00e1la, byla poseta obl\u00e1zky nebo mal\u00fdmi kousky ledu. A\u010dkoli byl povrch pom\u011brn\u011b m\u011bkk\u00fd, podobn\u011b jako lehce udusan\u00fd sn\u00edh, panovala tam extr\u00e9mn\u00ed zima (-180 \u00b0C) \u2013 mnohem chladn\u011bj\u0161\u00ed ne\u017e v Antarktid\u011b. Jemnozrnn\u00fd led byl nas\u00e1kl\u00fd metanem, kter\u00fd se p\u0159i kontaktu s teplou sondou vypa\u0159il.<\/p>\n<nav class=\"related\" aria-label=\"Souvisej\u00edc\u00ed\">\n<h2 class=\"related__heading\">Souvisej\u00edc\u00ed<\/h2>\n<div class=\"grid related__grid\">\n<div class=\"grid-item\">\n<article class=\"card focuson agency\"><a class=\"card__link\" href=\"http:\/\/www.esa.int\/SPECIALS\/Kids_Comic\/index.html\" target=\"_blank\" rel=\"noopener\"><\/p>\n<figure class=\"thumbnail\"><span class=\"dimmer\"><\/span><\/figure>\n<header class=\"entry\">\n<h3 class=\"heading\">komiks_d\u00edl03_strillo<\/h3>\n<\/header>\n<p><\/a><\/article>\n<\/div>\n<\/div>\n<\/nav>","protected":false},"excerpt":{"rendered":"<p>On 14 January 2005 ESA&#8217;s Huygens probe made an historic landing on the surface of Saturn&#8217;s giant satellite, Titan. Now, after careful analysis of the Huygens data, scientists have unravelled [&hellip;]<\/p>\n","protected":false},"author":5,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"esa_banner_image":"https:\/\/www.esa.int\/var\/esa\/storage\/images\/esa_multimedia\/images\/2005\/11\/huygens_descent_and_landing_in_20052\/17888579-2-eng-GB\/Huygens_descent_and_landing_in_2005.jpg","esa_banner_description":"Huygens' descent and landing in 2005","esa_banner_credit":"ESA - D. Ducros","esa_banner_licence":"ESA Standard Licence","esa_banner_detail_url":"https:\/\/www.esa.int\/ESA_Multimedia\/Images\/2005\/11\/Huygens_descent_and_landing_in_20052","esa_external_url":"","esa_external_new_window":false,"_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_post_was_ever_published":true},"categories":[10,11,12],"tags":[],"panel":[],"language":[],"age":[],"duration":[],"resource_type":[],"audience":[],"wf_post_folders":[],"class_list":["post-974","post","type-post","status-publish","format-standard","hentry","category-learn","category-our-universe","category-planets-and-moons"],"jetpack_sharing_enabled":true,"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/kids.esa.int\/cs\/wp-json\/wp\/v2\/posts\/974","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/kids.esa.int\/cs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/kids.esa.int\/cs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/kids.esa.int\/cs\/wp-json\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/kids.esa.int\/cs\/wp-json\/wp\/v2\/comments?post=974"}],"version-history":[{"count":4,"href":"https:\/\/kids.esa.int\/cs\/wp-json\/wp\/v2\/posts\/974\/revisions"}],"predecessor-version":[{"id":4767,"href":"https:\/\/kids.esa.int\/cs\/wp-json\/wp\/v2\/posts\/974\/revisions\/4767"}],"wp:attachment":[{"href":"https:\/\/kids.esa.int\/cs\/wp-json\/wp\/v2\/media?parent=974"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/kids.esa.int\/cs\/wp-json\/wp\/v2\/categories?post=974"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/kids.esa.int\/cs\/wp-json\/wp\/v2\/tags?post=974"},{"taxonomy":"panel","embeddable":true,"href":"https:\/\/kids.esa.int\/cs\/wp-json\/wp\/v2\/panel?post=974"},{"taxonomy":"language","embeddable":true,"href":"https:\/\/kids.esa.int\/cs\/wp-json\/wp\/v2\/language?post=974"},{"taxonomy":"age","embeddable":true,"href":"https:\/\/kids.esa.int\/cs\/wp-json\/wp\/v2\/age?post=974"},{"taxonomy":"duration","embeddable":true,"href":"https:\/\/kids.esa.int\/cs\/wp-json\/wp\/v2\/duration?post=974"},{"taxonomy":"resource_type","embeddable":true,"href":"https:\/\/kids.esa.int\/cs\/wp-json\/wp\/v2\/resource_type?post=974"},{"taxonomy":"audience","embeddable":true,"href":"https:\/\/kids.esa.int\/cs\/wp-json\/wp\/v2\/audience?post=974"},{"taxonomy":"wf_post_folders","embeddable":true,"href":"https:\/\/kids.esa.int\/cs\/wp-json\/wp\/v2\/wf_post_folders?post=974"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}