{"id":1076,"date":"2009-12-21T13:17:00","date_gmt":"2009-12-21T12:17:00","guid":{"rendered":"https:\/\/kids.esa.int\/rosetta_comes_home_for_final_earth_flyby\/"},"modified":"2026-10-08T00:35:41","modified_gmt":"2026-10-07T22:35:41","slug":"rosetta_comes_home_for_final_earth_flyby","status":"publish","type":"post","link":"https:\/\/kids.esa.int\/da\/rosetta_comes_home_for_final_earth_flyby\/","title":{"rendered":"Rosetta vender hjem til sin sidste forbiflyvning af Jorden"},"content":{"rendered":"<div class=\"lede\">\n<p>5\u00bd \u00e5r efter opsendelsen fra Fransk Guyana er ESA\u2019s kometj\u00e6ger Rosetta vendt hjem til et kort, flyvende bes\u00f8g. Om morgenen den 13. november bekr\u00e6ftede kontrolpersonalet ved rumoperationscentret i Darmstadt, Tyskland, at Rosetta havde gennemf\u00f8rt sin sidste forbiflyvning af Jorden uden problemer.<\/p>\n<\/div>\n<p>Rumfart\u00f8jet, der bev\u00e6gede sig med en hastighed p\u00e5 13,34 km\/s, susede forbi planeten i en h\u00f8jde af 2.481 km. Den n\u00e6rmeste passage fandt sted kl. 08:45:40 CET, lige syd for den indonesiske \u00f8 Java. Dette fjerde m\u00f8de med en planet gav den 3 ton tunge rumsonde tilstr\u00e6kkelig energi til at krydse asteroideb\u00e6ltet og m\u00f8des med kometen Churyumov-Gerasimenko.<\/p>\n<figure class=\"wp-block-image size-natural\" data-width=\"400\" data-credit=\"ESA (Animation by M. Graf)\" data-detail-url=\"https:\/\/www.esa.int\/Media\/Animations\/Rosetta_v31_Embrgo_untill_13Nov2009\" 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\/rosetta_v31_embrgo_untill_13nov2009\/6692-5-eng-GB\/Rosetta_v31_Embrgo_untill_13Nov2009.jpg\" alt=\"\"><\/figure>\n<p>Rosetta kan muligvis ogs\u00e5 bidrage til at l\u00f8se et gammelt mysterium. Gennem \u00e5rene har nogle rumfart\u00f8jer (herunder Rosetta) oplevet en ubetydelig \u2013 men uventet \u2013 \u00e6ndring i hastigheden, n\u00e5r de er fl\u00f8jet forbi Jorden. Indtil videre har ingen fundet en god forklaring p\u00e5 dette.<\/p>\n<p>Forskerne benyttede sig af forbiflyvningen til at aktivere nogle af Rosettas instrumenter. De f\u00f8rste billeder viste en smal halvm\u00e5ne, der gradvist voksede i st\u00f8rrelse, efterh\u00e5nden som rumfart\u00f8jet susede mod Jorden. Senere billeder viste bylys, der gl\u00f8dede i natten, og hvirvlende skyer over Nordamerika og Stillehavet. Andre instrumenter unders\u00f8gte planetens atmosf\u00e6re og magnetfelt samt ledte efter vand p\u00e5 M\u00e5nen.<\/p>\n<figure class=\"wp-block-image size-large\" data-width=\"1355\" data-credit=\"ESA \u00a92009 MPS for OSIRIS Team MPS\/UPD\/LAM\/IAA\/RSSD\/INTA\/UPM\/DASP\/IDA\" data-detail-url=\"https:\/\/www.esa.int\/ESA_Multimedia\/Images\/2009\/11\/First_view_as_Rosetta_approaches_home2\" 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\/2009\/11\/first_view_as_rosetta_approaches_home2\/17902197-2-eng-GB\/First_view_as_Rosetta_approaches_home.png\" alt=\"First view as Rosetta approaches home\"><figcaption>F\u00f8rste billede, mens Rosetta n\u00e6rmer sig Jorden<\/figcaption><\/figure>\n<p>Rosetta har nu tilbagelagt omkring 4.500 millioner km af sin 7.100 millioner km lange rejse mod kometen. Den sidste forbiflyvning ved Jorden \u00f8gede Rosettas hastighed med 3,6 km\/s og sendte rumfart\u00f8jet ud mod det ydre solsystem. Den n\u00e6ste begivenhed p\u00e5 den 10-\u00e5rige rejse er en forbiflyvning af en stor asteroide ved navn Lutetia i juli 2010. Rosetta vil derefter g\u00e5 i dvale, indtil den v\u00e6kkes igen i for\u00e5ret 2014.<\/p>","protected":false},"excerpt":{"rendered":"<p>5\u00bd years after lift off from French Guiana, ESA\u2019s Rosetta comet chaser has returned home for a brief, flying visit. On the morning of 13 November, controllers at the Space [&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\/08\/rosetta_spacecraft5\/17879662-2-eng-GB\/Rosetta_spacecraft.jpg","esa_banner_description":"Rosetta spacecraft","esa_banner_credit":"ESA - J. Huart","esa_banner_licence":"ESA Standard Licence","esa_banner_detail_url":"https:\/\/www.esa.int\/ESA_Multimedia\/Images\/2008\/08\/Rosetta_spacecraft5","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":[46,10,11],"tags":[],"panel":[],"language":[],"age":[],"duration":[],"resource_type":[],"audience":[],"wf_post_folders":[],"class_list":["post-1076","post","type-post","status-publish","format-standard","hentry","category-comets-and-meteors","category-learn","category-our-universe"],"jetpack_sharing_enabled":true,"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/kids.esa.int\/da\/wp-json\/wp\/v2\/posts\/1076","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=1076"}],"version-history":[{"count":5,"href":"https:\/\/kids.esa.int\/da\/wp-json\/wp\/v2\/posts\/1076\/revisions"}],"predecessor-version":[{"id":4835,"href":"https:\/\/kids.esa.int\/da\/wp-json\/wp\/v2\/posts\/1076\/revisions\/4835"}],"wp:attachment":[{"href":"https:\/\/kids.esa.int\/da\/wp-json\/wp\/v2\/media?parent=1076"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/kids.esa.int\/da\/wp-json\/wp\/v2\/categories?post=1076"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/kids.esa.int\/da\/wp-json\/wp\/v2\/tags?post=1076"},{"taxonomy":"panel","embeddable":true,"href":"https:\/\/kids.esa.int\/da\/wp-json\/wp\/v2\/panel?post=1076"},{"taxonomy":"language","embeddable":true,"href":"https:\/\/kids.esa.int\/da\/wp-json\/wp\/v2\/language?post=1076"},{"taxonomy":"age","embeddable":true,"href":"https:\/\/kids.esa.int\/da\/wp-json\/wp\/v2\/age?post=1076"},{"taxonomy":"duration","embeddable":true,"href":"https:\/\/kids.esa.int\/da\/wp-json\/wp\/v2\/duration?post=1076"},{"taxonomy":"resource_type","embeddable":true,"href":"https:\/\/kids.esa.int\/da\/wp-json\/wp\/v2\/resource_type?post=1076"},{"taxonomy":"audience","embeddable":true,"href":"https:\/\/kids.esa.int\/da\/wp-json\/wp\/v2\/audience?post=1076"},{"taxonomy":"wf_post_folders","embeddable":true,"href":"https:\/\/kids.esa.int\/da\/wp-json\/wp\/v2\/wf_post_folders?post=1076"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}