{"id":896,"date":"2008-03-17T10:42:00","date_gmt":"2008-03-17T09:42:00","guid":{"rendered":"https:\/\/kids.esa.int\/a_swirling_atmospheric_sink_on_venus\/"},"modified":"2026-10-08T00:33:30","modified_gmt":"2026-10-07T22:33:30","slug":"a_swirling_atmospheric_sink_on_venus","status":"publish","type":"post","link":"https:\/\/kids.esa.int\/cs\/a_swirling_atmospheric_sink_on_venus\/","title":{"rendered":"V\u00edriv\u00fd atmosf\u00e9rick\u00fd propad na Venu\u0161i"},"content":{"rendered":"<div class=\"lede\">\n<p>P\u0159edstavte si planetu se dv\u011bma v\u00edry, z nich\u017e jedna se nach\u00e1z\u00ed na severu a druh\u00e1 na jihu. V ka\u017ed\u00e9 z nich se nach\u00e1z\u00ed v\u00edr atmosf\u00e9rick\u00fdch plyn\u016f, kter\u00e9 se vysokou rychlost\u00ed to\u010d\u00ed, zat\u00edmco se \u0159\u00edt\u00ed dol\u016f k povrchu. Podle sondy Venus Express agentury ESA se zd\u00e1, \u017ee pr\u00e1v\u011b toto se d\u011bje na sestersk\u00e9 planet\u011b Zem\u011b, Venu\u0161i.<\/p>\n<\/div>\n<p>Evropsk\u00e1 robotick\u00e1 sonda ob\u00edh\u00e1 kolem druh\u00e9 planety od Slunce ji\u017e od 11. dubna 2006. N\u011bkter\u00e1 z jej\u00edch prvn\u00edch pozorov\u00e1n\u00ed odhalila nad ji\u017en\u00edm p\u00f3lem tmav\u00fd jev p\u0159ipom\u00ednaj\u00edc\u00ed hurik\u00e1n (zn\u00e1m\u00fd jako v\u00edr). Podobn\u00e1 obla\u010dn\u00e1 struktura ji\u017e byla zji\u0161t\u011bna nad severn\u00edm p\u00f3lem.<\/p>\n<figure class=\"wp-block-image size-natural\" data-width=\"400\" data-credit=\"ESA\/VIRTIS\/INAF-IASF\/Obs. de Paris-LESIA\/Univ. of Oxford\" data-detail-url=\"https:\/\/www.esa.int\/ESA_Multimedia\/Images\/2008\/03\/The_eye_of_the_hurricane2\" 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\/2008\/03\/the_eye_of_the_hurricane2\/17886469-2-eng-GB\/The_eye_of_the_hurricane.gif\" alt=\"The eye of the hurricane\"><figcaption>Oko hurik\u00e1nu<\/figcaption><\/figure>\n<p>Od t\u00e9 doby sonda Venus Express nep\u0159etr\u017eit\u011b pozoruje ji\u017en\u00ed p\u00f3l Venu\u0161e a uk\u00e1zalo se, \u017ee st\u0159ed tohoto \u201cv\u00edru\u201d se p\u0159ekvapiv\u011b \u010dasto m\u011bn\u00ed. Dne 26. \u00fanora 2007 m\u011blo tvar p\u0159es\u00fdpac\u00edch hodin. O 24 hodin d\u0159\u00edve bylo t\u00e9m\u011b\u0159 kruhov\u00e9. Jindy se jev\u00ed jako ov\u00e1ln\u00e9 (ve tvaru vejce). Je z\u0159ejm\u00e9, \u017ee tento \u00fatvar m\u011bn\u00ed sv\u016fj tvar pom\u011brn\u011b rychle.<\/p>\n<p>Co zp\u016fsobuje vznik v\u00edru o \u0161\u00ed\u0159ce 2000 km? Sonda Venus Express prok\u00e1zala, \u017ee jeho st\u0159ed je teplej\u0161\u00ed ne\u017e okol\u00ed. Podobn\u011b jako oko hurik\u00e1nu ozna\u010duje tato teplej\u0161\u00ed oblast m\u00edsto, kde se atmosf\u00e9rick\u00e9 plyny pohybuj\u00ed sm\u011brem dol\u016f, \u010d\u00edm\u017e vytv\u00e1\u0159ej\u00ed tlakovou n\u00ed\u017ei v horn\u00ed vrstv\u011b obla\u010dnosti.<\/p>\n<p>\u201cTen obrovsk\u00fd v\u00edr p\u0159ipom\u00edn\u00e1 to, co m\u016f\u017eete vid\u011bt ve van\u011b, kdy\u017e vyt\u00e1hnete z\u00e1tku,\u201d \u0159\u00edk\u00e1 Giuseppe Piccioni, v\u011bdec z mise Venus Express.<\/p>\n<p>V\u011bdci se domn\u00edvaj\u00ed, \u017ee atmosf\u00e9ra slo\u017een\u00e1 z oxidu uhli\u010dit\u00e9ho se na rovn\u00edku oh\u0159\u00edv\u00e1 slune\u010dn\u00edm z\u00e1\u0159en\u00edm. Plyn stoup\u00e1 a pot\u00e9 se p\u0159esouv\u00e1 sm\u011brem k p\u00f3l\u016fm. V pol\u00e1rn\u00edch oblastech kles\u00e1 a vytv\u00e1\u0159\u00ed tak atmosf\u00e9rick\u00fd \u201codtok\u201d.<\/p>","protected":false},"excerpt":{"rendered":"<p>Imagine a planet with two drains, one in the north and the other in the south. Each drain features a whirlpool of atmospheric gases which are swirling around at high [&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\/2008\/03\/venus_s_polar_vortex2\/18246846-2-eng-GB\/Venus_s_polar_vortex.jpg","esa_banner_description":"Venus's polar vortex","esa_banner_credit":"ESA\/VIRTIS\/INAF-IASF\/Obs. de Paris-LESIA\/Univ. of Oxford","esa_banner_licence":"ESA Standard Licence","esa_banner_detail_url":"https:\/\/www.esa.int\/ESA_Multimedia\/Images\/2008\/03\/Venus_s_polar_vortex2","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-896","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\/896","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=896"}],"version-history":[{"count":4,"href":"https:\/\/kids.esa.int\/cs\/wp-json\/wp\/v2\/posts\/896\/revisions"}],"predecessor-version":[{"id":4726,"href":"https:\/\/kids.esa.int\/cs\/wp-json\/wp\/v2\/posts\/896\/revisions\/4726"}],"wp:attachment":[{"href":"https:\/\/kids.esa.int\/cs\/wp-json\/wp\/v2\/media?parent=896"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/kids.esa.int\/cs\/wp-json\/wp\/v2\/categories?post=896"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/kids.esa.int\/cs\/wp-json\/wp\/v2\/tags?post=896"},{"taxonomy":"panel","embeddable":true,"href":"https:\/\/kids.esa.int\/cs\/wp-json\/wp\/v2\/panel?post=896"},{"taxonomy":"language","embeddable":true,"href":"https:\/\/kids.esa.int\/cs\/wp-json\/wp\/v2\/language?post=896"},{"taxonomy":"age","embeddable":true,"href":"https:\/\/kids.esa.int\/cs\/wp-json\/wp\/v2\/age?post=896"},{"taxonomy":"duration","embeddable":true,"href":"https:\/\/kids.esa.int\/cs\/wp-json\/wp\/v2\/duration?post=896"},{"taxonomy":"resource_type","embeddable":true,"href":"https:\/\/kids.esa.int\/cs\/wp-json\/wp\/v2\/resource_type?post=896"},{"taxonomy":"audience","embeddable":true,"href":"https:\/\/kids.esa.int\/cs\/wp-json\/wp\/v2\/audience?post=896"},{"taxonomy":"wf_post_folders","embeddable":true,"href":"https:\/\/kids.esa.int\/cs\/wp-json\/wp\/v2\/wf_post_folders?post=896"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}