{"id":839,"date":"2004-12-02T15:26:00","date_gmt":"2004-12-02T14:26:00","guid":{"rendered":"https:\/\/kids.esa.int\/countdown\/"},"modified":"2026-10-08T00:32:51","modified_gmt":"2026-10-07T22:32:51","slug":"countdown","status":"publish","type":"post","link":"https:\/\/kids.esa.int\/da\/countdown\/","title":{"rendered":"Nedt\u00e6lling"},"content":{"rendered":"<div class=\"lede\">\n<p>En Ariane-5-opsendelseskampagne varer normalt omkring fem uger. I de indledende faser forbereder og kontrollerer holdene raketten og satellitterne. Selvom arbejdet udf\u00f8res af forskellige hold, er kampagnen tilrettelagt p\u00e5 en s\u00e5dan m\u00e5de, at alt er klar til tiden.<\/p>\n<\/div>\n<p>Tolv dage f\u00f8r opsendelsen p\u00e5begyndes arbejdet med at montere satellitterne p\u00e5 toppen af l\u00f8fteraketten. Dette foreg\u00e5r i den endelige samlingshal.<\/p>\n<p>En dag f\u00f8r opsendelsen transporteres Ariane 5 med jernbane til affyringsrampen. S\u00e5 snart det mobile affyringsbord er koblet til affyringsrampen, begynder den endelige nedt\u00e6lling.<\/p>\n<p>Hovedbr\u00e6ndstoftankene er fyldt op, affyringssystemets undersystemer er kontrolleret, og flyveprogrammet er indl\u00e6st i computeren. Endelig, ved \u20136 minutter og 30 sekunder, g\u00e5r nedt\u00e6llingen over til automatisk drift.<\/p>\n<p>\u201c10, 9, 8, \u2026\u201d. Operationschefen afslutter nedt\u00e6llingen bag sikkerhedsglas i Jupiter-kontrolcentret, 12 km fra affyringsrampen.<\/p>\n<p>\u201c\u2026 3, 2, 1, d\u00e9collage\u201d. Motorerne t\u00e6ndes, og raketten l\u00f8fter sig fra jorden. Ariane 5 flyver p\u00e5 autopilot og overv\u00e5ges n\u00f8je, mens den bev\u00e6ger sig mod \u00f8st eller nord over havet.<\/p>\n<p>Fyrre minutter senere kommer nyheden om, at rumfart\u00f8jerne er bragt i kredsl\u00f8b. Missionen er fuldf\u00f8rt.<\/p>","protected":false},"excerpt":{"rendered":"<p>An Ariane-5 launch campaign usually lasts about five weeks. During the early stages, the teams prepare and check the rocket and the satellites. Although the work is done by different [&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\/2001\/11\/countdown_to_launch2\/17863307-3-eng-GB\/Countdown_to_launch.gif","esa_banner_description":"Countdown to launch","esa_banner_credit":"ESA","esa_banner_licence":"ESA Standard Licence","esa_banner_detail_url":"https:\/\/www.esa.int\/ESA_Multimedia\/Images\/2001\/11\/Countdown_to_launch2","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":[10,41,40],"tags":[2],"panel":[],"language":[],"age":[],"duration":[],"resource_type":[],"audience":[],"wf_post_folders":[],"class_list":["post-839","post","type-post","status-publish","format-standard","hentry","category-learn","category-rockets-technology","category-technology","tag-background-article"],"jetpack_sharing_enabled":true,"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/kids.esa.int\/da\/wp-json\/wp\/v2\/posts\/839","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/kids.esa.int\/da\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/kids.esa.int\/da\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/kids.esa.int\/da\/wp-json\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/kids.esa.int\/da\/wp-json\/wp\/v2\/comments?post=839"}],"version-history":[{"count":1,"href":"https:\/\/kids.esa.int\/da\/wp-json\/wp\/v2\/posts\/839\/revisions"}],"predecessor-version":[{"id":1982,"href":"https:\/\/kids.esa.int\/da\/wp-json\/wp\/v2\/posts\/839\/revisions\/1982"}],"wp:attachment":[{"href":"https:\/\/kids.esa.int\/da\/wp-json\/wp\/v2\/media?parent=839"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/kids.esa.int\/da\/wp-json\/wp\/v2\/categories?post=839"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/kids.esa.int\/da\/wp-json\/wp\/v2\/tags?post=839"},{"taxonomy":"panel","embeddable":true,"href":"https:\/\/kids.esa.int\/da\/wp-json\/wp\/v2\/panel?post=839"},{"taxonomy":"language","embeddable":true,"href":"https:\/\/kids.esa.int\/da\/wp-json\/wp\/v2\/language?post=839"},{"taxonomy":"age","embeddable":true,"href":"https:\/\/kids.esa.int\/da\/wp-json\/wp\/v2\/age?post=839"},{"taxonomy":"duration","embeddable":true,"href":"https:\/\/kids.esa.int\/da\/wp-json\/wp\/v2\/duration?post=839"},{"taxonomy":"resource_type","embeddable":true,"href":"https:\/\/kids.esa.int\/da\/wp-json\/wp\/v2\/resource_type?post=839"},{"taxonomy":"audience","embeddable":true,"href":"https:\/\/kids.esa.int\/da\/wp-json\/wp\/v2\/audience?post=839"},{"taxonomy":"wf_post_folders","embeddable":true,"href":"https:\/\/kids.esa.int\/da\/wp-json\/wp\/v2\/wf_post_folders?post=839"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}