{"id":752,"date":"2012-05-29T09:05:00","date_gmt":"2012-05-29T07:05:00","guid":{"rendered":"https:\/\/kids.esa.int\/get_ready_for_the_transit_of_venus\/"},"modified":"2026-10-08T00:31:52","modified_gmt":"2026-10-07T22:31:52","slug":"get_ready_for_the_transit_of_venus","status":"publish","type":"post","link":"https:\/\/kids.esa.int\/fi\/get_ready_for_the_transit_of_venus\/","title":{"rendered":"Valmistaudu Venuksen ohikulkua varten!"},"content":{"rendered":"<div class=\"lede\">\n<p>Tutkijat ja harrastajataivaantutkijat ymp\u00e4ri maailmaa valmistautuvat seuraamaan, kun Venus kulkee Auringon edest\u00e4 5. kes\u00e4kuuta y\u00f6ll\u00e4 \u2013 ilmi\u00f6, jota ei n\u00e4hd\u00e4 uudelleen yli sataan vuoteen.<\/p>\n<\/div>\n<p>ESAn tiedetiimi raportoi suorana l\u00e4hetyksen\u00e4 arktiselta Spitsbergenin saarelta (Norja). Koska aurinko ei laske Spitsbergeniss\u00e4 kes\u00e4kuussa (se paistaa koko p\u00e4iv\u00e4n ja koko y\u00f6n!), tiimill\u00e4 on ainutlaatuinen tilaisuus seurata koko kauttakulkua. Kulku alkaa 6. kes\u00e4kuuta klo 00.04 CEST ja p\u00e4\u00e4ttyy klo 06.52 CEST.<\/p>\n<p>Venuksen kauttakulku tapahtuu vain silloin, kun Venus kulkee suoraan Auringon ja Maan v\u00e4liss\u00e4.<\/p>\n<p>Venuksen ohikulkuja tapahtuu hyvin harvoin. Seuraava n\u00e4kyy vasta vuonna 2117!<\/p>\n<figure class=\"wp-block-image size-natural\" data-width=\"400\" data-credit=\"ESA\" data-detail-url=\"https:\/\/www.esa.int\/Media\/Animations\/Transit_of_Venus_2004\" 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\/media\/animations\/transit_of_venus_2004\/9493657-5-eng-GB\/Transit_of_Venus_2004.jpg\" alt=\"\"><\/figure>\n<p>T\u00e4htitieteilij\u00e4t ovat oppineet paljon Venuksen kauttakulkuista. Niiden avulla t\u00e4htitieteilij\u00e4t pystyiv\u00e4t esimerkiksi mittaamaan aurinkokunnan koon. 1700-luvun kauttakulut antoivat t\u00e4htitieteilij\u00f6ille my\u00f6s mahdollisuuden laskea Maan ja Auringon v\u00e4lisen et\u00e4isyyden.<\/p>\n<p>Vuoden 1761 kauttakulun aikana t\u00e4htitieteilij\u00e4t huomasivat valohalon planeetan tumman reunan ymp\u00e4rill\u00e4. N\u00e4in saimme selville, ett\u00e4 Venuksella on ilmakeh\u00e4. Venukseen sittemmin l\u00e4hetettyjen avaruusluotainten ansiosta tied\u00e4mme nyt, ett\u00e4 sen ilmakeh\u00e4 on t\u00e4ynn\u00e4 hiilidioksidia ja typpe\u00e4 sek\u00e4 rikkihappopilvi\u00e4\u2026 mik\u00e4 tekee siit\u00e4 elinkelvottoman!<\/p>\n<p>T\u00e4m\u00e4n harvinaisen tapahtuman kunniaksi ESA julkaisee taustatietoja Venuksen kauttakulusta sille omistetulla <a href=\"http:\/\/blogs.esa.int\/venustransit\/ \" target=\"_blank\" rel=\"noopener\">blogi<\/a>. Siell\u00e4 julkaistaan reaaliaikaisia p\u00e4ivityksi\u00e4, joten pysy kuulolla!<\/p>\n<nav class=\"related\" aria-label=\"Aiheeseen liittyv\u00e4t\">\n<h2 class=\"related__heading\">Aiheeseen liittyv\u00e4t<\/h2>\n<div class=\"grid related__grid\">\n<div class=\"grid-item\">\n<article class=\"card focuson agency\"><a class=\"card__link\" href=\"http:\/\/blogs.esa.int\/venustransit\/\" target=\"_blank\" rel=\"noopener\"><\/p>\n<figure class=\"thumbnail\"><span class=\"dimmer\"><\/span><\/figure>\n<header class=\"entry\">\n<h3 class=\"heading\">Venuksen kulku -blogi<\/h3>\n<\/header>\n<p><\/a><\/article>\n<\/div>\n<\/div>\n<\/nav>","protected":false},"excerpt":{"rendered":"<p>Scientists and amateur astronomers around the world are getting ready to see Venus crossing the face of the Sun on the night of 5 June, an event that will not [&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\/2012\/05\/aeroplane_meets_transit2\/17907383-2-eng-GB\/Aeroplane_meets_transit.jpg","esa_banner_description":"","esa_banner_credit":"Detlef Koschny","esa_banner_licence":"ESA Standard Licence","esa_banner_detail_url":"https:\/\/www.esa.int\/ESA_Multimedia\/Images\/2012\/05\/Aeroplane_meets_transit2","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":[26],"tags":[],"panel":[],"language":[],"age":[],"duration":[],"resource_type":[],"audience":[],"wf_post_folders":[],"class_list":["post-752","post","type-post","status-publish","format-standard","hentry","category-news"],"jetpack_sharing_enabled":true,"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/kids.esa.int\/fi\/wp-json\/wp\/v2\/posts\/752","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/kids.esa.int\/fi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/kids.esa.int\/fi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/kids.esa.int\/fi\/wp-json\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/kids.esa.int\/fi\/wp-json\/wp\/v2\/comments?post=752"}],"version-history":[{"count":5,"href":"https:\/\/kids.esa.int\/fi\/wp-json\/wp\/v2\/posts\/752\/revisions"}],"predecessor-version":[{"id":4663,"href":"https:\/\/kids.esa.int\/fi\/wp-json\/wp\/v2\/posts\/752\/revisions\/4663"}],"wp:attachment":[{"href":"https:\/\/kids.esa.int\/fi\/wp-json\/wp\/v2\/media?parent=752"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/kids.esa.int\/fi\/wp-json\/wp\/v2\/categories?post=752"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/kids.esa.int\/fi\/wp-json\/wp\/v2\/tags?post=752"},{"taxonomy":"panel","embeddable":true,"href":"https:\/\/kids.esa.int\/fi\/wp-json\/wp\/v2\/panel?post=752"},{"taxonomy":"language","embeddable":true,"href":"https:\/\/kids.esa.int\/fi\/wp-json\/wp\/v2\/language?post=752"},{"taxonomy":"age","embeddable":true,"href":"https:\/\/kids.esa.int\/fi\/wp-json\/wp\/v2\/age?post=752"},{"taxonomy":"duration","embeddable":true,"href":"https:\/\/kids.esa.int\/fi\/wp-json\/wp\/v2\/duration?post=752"},{"taxonomy":"resource_type","embeddable":true,"href":"https:\/\/kids.esa.int\/fi\/wp-json\/wp\/v2\/resource_type?post=752"},{"taxonomy":"audience","embeddable":true,"href":"https:\/\/kids.esa.int\/fi\/wp-json\/wp\/v2\/audience?post=752"},{"taxonomy":"wf_post_folders","embeddable":true,"href":"https:\/\/kids.esa.int\/fi\/wp-json\/wp\/v2\/wf_post_folders?post=752"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}