{"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\/ro\/a_swirling_atmospheric_sink_on_venus\/","title":{"rendered":"Un v\u00e2rtej atmosferic de scurgere pe Venus"},"content":{"rendered":"<div class=\"lede\">\n<p>Imagina\u021bi-v\u0103 o planet\u0103 cu dou\u0103 guri de scurgere, una \u00een nord \u0219i cealalt\u0103 \u00een sud. Fiecare gur\u0103 de scurgere prezint\u0103 un v\u00e2rtej de gaze atmosferice care se \u00eenv\u00e2rt cu vitez\u0103 mare \u00een timp ce se pr\u0103bu\u0219esc spre suprafa\u021b\u0103. Se pare c\u0103 acesta este fenomenul care are loc pe planeta sor\u0103 a P\u0103m\u00e2ntului, Venus, potrivit sondei spa\u021biale Venus Express a ESA.<\/p>\n<\/div>\n<p>Sonda robotic\u0103 european\u0103 se afl\u0103 pe orbita celei de-a doua planete de la Soare \u00eencep\u00e2nd cu 11 aprilie 2006. Unele dintre primele sale observa\u021bii au relevat prezen\u021ba unei forma\u021biuni \u00eentunecate, asem\u0103n\u0103toare unui uragan (cunoscut\u0103 sub numele de vortex), deasupra polului sudic. O structur\u0103 noroas\u0103 similar\u0103 fusese deja descoperit\u0103 deasupra polului nordic.<\/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>Ochiul uraganului<\/figcaption><\/figure>\n<p>De atunci, sonda Venus Express a observat \u00een mod constant polul sudic al planetei Venus, iar centrul \u201cv\u00e2rtejului\u201d s-a dovedit a fi surprinz\u0103tor de schimb\u0103tor. La 26 februarie 2007, acesta avea forma unei clepsidre. Cu 24 de ore mai devreme, era aproape circular. \u00cen alte momente, pare oval (\u00een form\u0103 de ou). \u00cen mod evident, aceast\u0103 forma\u021biune \u00ee\u0219i schimb\u0103 forma destul de rapid.<\/p>\n<p>Ce anume provoac\u0103 acest v\u00e2rtej cu o l\u0103\u021bime de 2000 km? Sonda Venus Express a demonstrat c\u0103 centrul s\u0103u este mai cald dec\u00e2t zona \u00eenconjur\u0103toare. La fel ca ochiul unui uragan, aceast\u0103 regiune mai cald\u0103 marcheaz\u0103 locul \u00een care gazele atmosferice se deplaseaz\u0103 \u00een jos, cre\u00e2nd o depresiune la nivelul v\u00e2rfurilor norilor.<\/p>\n<p>\u201cVortexul uria\u0219 seam\u0103n\u0103 cu cel pe care l-ai putea vedea \u00een cada de baie dup\u0103 ce ai scos dopul\u201d, spune Giuseppe Piccioni, cercet\u0103tor \u00een cadrul misiunii Venus Express.<\/p>\n<p>Oamenii de \u0219tiin\u021b\u0103 consider\u0103 c\u0103 atmosfera de dioxid de carbon este \u00eenc\u0103lzit\u0103 de Soare la ecuator. Gazul se ridic\u0103 \u0219i apoi se deplaseaz\u0103 spre poli. \u00cen regiunile polare, acesta coboar\u0103, form\u00e2nd \u201cscurgerea\u201d atmosferic\u0103.<\/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\/ro\/wp-json\/wp\/v2\/posts\/896","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/kids.esa.int\/ro\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/kids.esa.int\/ro\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/kids.esa.int\/ro\/wp-json\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/kids.esa.int\/ro\/wp-json\/wp\/v2\/comments?post=896"}],"version-history":[{"count":4,"href":"https:\/\/kids.esa.int\/ro\/wp-json\/wp\/v2\/posts\/896\/revisions"}],"predecessor-version":[{"id":4726,"href":"https:\/\/kids.esa.int\/ro\/wp-json\/wp\/v2\/posts\/896\/revisions\/4726"}],"wp:attachment":[{"href":"https:\/\/kids.esa.int\/ro\/wp-json\/wp\/v2\/media?parent=896"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/kids.esa.int\/ro\/wp-json\/wp\/v2\/categories?post=896"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/kids.esa.int\/ro\/wp-json\/wp\/v2\/tags?post=896"},{"taxonomy":"panel","embeddable":true,"href":"https:\/\/kids.esa.int\/ro\/wp-json\/wp\/v2\/panel?post=896"},{"taxonomy":"language","embeddable":true,"href":"https:\/\/kids.esa.int\/ro\/wp-json\/wp\/v2\/language?post=896"},{"taxonomy":"age","embeddable":true,"href":"https:\/\/kids.esa.int\/ro\/wp-json\/wp\/v2\/age?post=896"},{"taxonomy":"duration","embeddable":true,"href":"https:\/\/kids.esa.int\/ro\/wp-json\/wp\/v2\/duration?post=896"},{"taxonomy":"resource_type","embeddable":true,"href":"https:\/\/kids.esa.int\/ro\/wp-json\/wp\/v2\/resource_type?post=896"},{"taxonomy":"audience","embeddable":true,"href":"https:\/\/kids.esa.int\/ro\/wp-json\/wp\/v2\/audience?post=896"},{"taxonomy":"wf_post_folders","embeddable":true,"href":"https:\/\/kids.esa.int\/ro\/wp-json\/wp\/v2\/wf_post_folders?post=896"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}