{"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\/sv\/rosetta_comes_home_for_final_earth_flyby\/","title":{"rendered":"Rosetta \u00e5terv\u00e4nder f\u00f6r sin sista f\u00f6rbiflygning av jorden"},"content":{"rendered":"<div class=\"lede\">\n<p>5\u00bd \u00e5r efter uppskjutningen fr\u00e5n Franska Guyana har ESA:s kometsond Rosetta \u00e5terv\u00e4nt hem f\u00f6r ett kort bes\u00f6k. P\u00e5 morgonen den 13 november bekr\u00e4ftade kontrollanterna vid rymdoperationscentret i Darmstadt, Tyskland, att Rosetta framg\u00e5ngsrikt hade genomf\u00f6rt sin sista f\u00f6rbiflygning av jorden.<\/p>\n<\/div>\n<p>Rymdfarkosten, som f\u00e4rdades med en hastighet p\u00e5 13,34 km\/s, svepte f\u00f6rbi planeten p\u00e5 en h\u00f6jd av 2 481 km. Den n\u00e4rmaste passagen \u00e4gde rum kl. 08:45:40 CET, strax s\u00f6der om den indonesiska \u00f6n Java. Detta fj\u00e4rde m\u00f6te med en planet gav den 3 ton tunga rymdsonden tillr\u00e4ckligt med energi f\u00f6r att korsa asteroidb\u00e4ltet och m\u00f6ta 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 ocks\u00e5 bidra till att l\u00f6sa ett gammalt mysterium. Under \u00e5rens lopp har vissa rymdfarkoster (d\u00e4ribland Rosetta) upplevt en mycket liten \u2013 men ov\u00e4ntad \u2013 hastighetsf\u00f6r\u00e4ndring n\u00e4r de har passerat jorden. Hittills har ingen kunnat komma med n\u00e5gon bra f\u00f6rklaring.<\/p>\n<p>Forskarna utnyttjade f\u00f6rbiflygningen f\u00f6r att s\u00e4tta ig\u00e5ng n\u00e5gra av Rosettas instrument. De f\u00f6rsta bilderna visade en smal halvm\u00e5ne som gradvis v\u00e4xte i storlek allteftersom rymdfarkosten rusade mot jorden. Senare bilder visade stadens ljus som gl\u00f6dde i natten och virvlande moln \u00f6ver Nordamerika och Stilla havet. Andra instrument studerade planetens atmosf\u00e4r och magnetf\u00e4lt, samt letade efter vatten 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\u00f6rsta vy n\u00e4r Rosetta n\u00e4rmar sig hemmet<\/figcaption><\/figure>\n<p>Rosetta har nu tillryggalagt cirka 4 500 miljoner km av sin 7 100 miljoner km l\u00e5nga resa mot kometen. Den sista f\u00f6rbiflygningen av Jorden \u00f6kade Rosettas hastighet med 3,6 km\/s, vilket skickade rymdfarkosten mot det yttre solsystemet. N\u00e4sta etapp p\u00e5 den tio\u00e5riga resan \u00e4r en f\u00f6rbiflygning av en stor asteroid, Lutetia, i juli 2010. D\u00e4refter kommer Rosetta att g\u00e5 in i vilol\u00e4ge innan den v\u00e4cks till liv igen v\u00e5ren 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\/sv\/wp-json\/wp\/v2\/posts\/1076","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/kids.esa.int\/sv\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/kids.esa.int\/sv\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/kids.esa.int\/sv\/wp-json\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/kids.esa.int\/sv\/wp-json\/wp\/v2\/comments?post=1076"}],"version-history":[{"count":5,"href":"https:\/\/kids.esa.int\/sv\/wp-json\/wp\/v2\/posts\/1076\/revisions"}],"predecessor-version":[{"id":4835,"href":"https:\/\/kids.esa.int\/sv\/wp-json\/wp\/v2\/posts\/1076\/revisions\/4835"}],"wp:attachment":[{"href":"https:\/\/kids.esa.int\/sv\/wp-json\/wp\/v2\/media?parent=1076"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/kids.esa.int\/sv\/wp-json\/wp\/v2\/categories?post=1076"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/kids.esa.int\/sv\/wp-json\/wp\/v2\/tags?post=1076"},{"taxonomy":"panel","embeddable":true,"href":"https:\/\/kids.esa.int\/sv\/wp-json\/wp\/v2\/panel?post=1076"},{"taxonomy":"language","embeddable":true,"href":"https:\/\/kids.esa.int\/sv\/wp-json\/wp\/v2\/language?post=1076"},{"taxonomy":"age","embeddable":true,"href":"https:\/\/kids.esa.int\/sv\/wp-json\/wp\/v2\/age?post=1076"},{"taxonomy":"duration","embeddable":true,"href":"https:\/\/kids.esa.int\/sv\/wp-json\/wp\/v2\/duration?post=1076"},{"taxonomy":"resource_type","embeddable":true,"href":"https:\/\/kids.esa.int\/sv\/wp-json\/wp\/v2\/resource_type?post=1076"},{"taxonomy":"audience","embeddable":true,"href":"https:\/\/kids.esa.int\/sv\/wp-json\/wp\/v2\/audience?post=1076"},{"taxonomy":"wf_post_folders","embeddable":true,"href":"https:\/\/kids.esa.int\/sv\/wp-json\/wp\/v2\/wf_post_folders?post=1076"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}