{"id":474,"date":"2016-10-06T09:26:00","date_gmt":"2016-10-06T07:26:00","guid":{"rendered":"https:\/\/kids.esa.int\/mission_complete_rosetta\/"},"modified":"2026-10-08T00:28:38","modified_gmt":"2026-10-07T22:28:38","slug":"mission_complete_rosetta","status":"publish","type":"post","link":"https:\/\/kids.esa.int\/fi\/mission_complete_rosetta\/","title":{"rendered":"Teht\u00e4v\u00e4 suoritettu, Rosetta!"},"content":{"rendered":"<div class=\"lede\">\n<p>ESAn uskomaton Rosetta-luotainmissio on p\u00e4\u00e4ttynyt j\u00e4nnitt\u00e4v\u00e4ll\u00e4 tavalla: luotain sy\u00f6ksyi hallitusti sen komeetan pinnalle, jota se oli tutkinut! Luotaimen kamera jatkoi kuvien ottamista laskeutumisen aikana, ja huipputekniset anturit tutkivat komeetan kaasuja ja p\u00f6ly\u00e4 tarkemmin kuin koskaan aiemmin. N\u00e4iden viimeisten hetkien aikana ker\u00e4tyt tiedot l\u00e4hetettiin innokkaille tutkijoille Maahan juuri ennen kuin Rosetta laskeutui komeetan pinnalle.<\/p>\n<\/div>\n<p>T\u00e4m\u00e4 p\u00e4\u00e4tt\u00e4\u00e4 yhden kaikkien aikojen h\u00e4mm\u00e4stytt\u00e4vimmist\u00e4 avaruuteen l\u00e4hetetyist\u00e4 luotaimista. Rosetta laukaistiin vuonna 2004, ja se on matkustanut l\u00e4hes 8 miljardia kilometri\u00e4, mukaan lukien kolme kierrosta Maan ymp\u00e4ri, yhden kierroksen Marsin ymp\u00e4ri sek\u00e4 ohilennot kahden asteroidin ohi! Se oli ensimm\u00e4inen avaruusalus, joka on koskaan kiert\u00e4nyt komeettaa (viralliselta nimelt\u00e4\u00e4n komeetta 67P\/Churyumov-Gerasimenko), ja marraskuussa 2014 se laski onnistuneesti Philae-nimisen laskeutujan komeetan pinnalle.<\/p>\n<figure class=\"wp-block-image size-large\" data-width=\"1920\" data-credit=\"ESA\/ATG medialab\" data-detail-url=\"https:\/\/www.esa.int\/ESA_Multimedia\/Images\/2016\/10\/This_picture_shows_what_it_would_have_looked_like_moments_before_Rosetta_hit_the_comet\" 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\/2016\/10\/this_picture_shows_what_it_would_have_looked_like_moments_before_rosetta_hit_the_comet\/17880772-2-eng-GB\/This_picture_shows_what_it_would_have_looked_like_moments_before_Rosetta_hit_the_comet.jpg\" alt=\"This picture shows what it would have looked like moments before Rosetta hit the comet\"><figcaption>T\u00e4ss\u00e4 kuvassa n\u00e4kyy, milt\u00e4 tilanne olisi n\u00e4ytt\u00e4nyt hetke\u00e4 ennen kuin Rosetta t\u00f6rm\u00e4si komeettaan<\/figcaption><\/figure>\n<p>P\u00e4\u00e4t\u00f6s Rosetta-lennon lopettamisesta ei ollut helppo teht\u00e4v\u00e4 tutkijoille. Luotain on kuitenkin nyt kaukana aurinkokunnassamme ja et\u00e4\u00e4ntyy koko ajan entisest\u00e4\u00e4n. Pian se on niin kaukana Auringosta, ett\u00e4 sen aurinkopaneeleihin ei en\u00e4\u00e4 tule juurikaan valoa. Missiota p\u00e4\u00e4tettiin p\u00e4\u00e4tt\u00e4m\u00e4ll\u00e4 Rosettan t\u00f6rm\u00e4ytt\u00e4m\u00e4ll\u00e4 komeettaan, mik\u00e4 tarjosi viel\u00e4 yhden mahdollisuuden tehd\u00e4 h\u00e4mm\u00e4stytt\u00e4vi\u00e4 l\u00f6yt\u00f6j\u00e4!<\/p>\n<figure class=\"wp-block-image size-large\" data-width=\"1920\" data-credit=\"OSIRIS: ESA\/Rosetta\/MPS for OSIRIS Team MPS\/UPD\/LAM\/IAA\/SSO\/INTA\/UPM\/DASP\/IDA; NavCam: ESA\/Rosetta\/NavCam \u2013 CC\" data-detail-url=\"https:\/\/www.esa.int\/ESA_Multimedia\/Images\/2016\/10\/Rosetta_has_taken_many_incredible_photos_of_Comet_67P_Churyumov-Gerasimenko\" 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\/2016\/10\/rosetta_has_taken_many_incredible_photos_of_comet_67p_churyumov-gerasimenko\/17896534-2-eng-GB\/Rosetta_has_taken_many_incredible_photos_of_Comet_67P_Churyumov-Gerasimenko.jpg\" alt=\"Rosetta has taken many incredible photos of Comet 67P\/Churyumov-Gerasimenko\"><figcaption>Rosetta on ottanut lukuisia upeita valokuvia komeetasta 67P\/Churyumov-Gerasimenko<\/figcaption><\/figure>\n<p>Rosetta on jo paljastanut monia salaisuuksia. Se havaitsi, ett\u00e4 komeetalla on outo muoto, joka johtuu kahden pienemm\u00e4n komeetan t\u00f6rm\u00e4yksest\u00e4 ja yhdistymisest\u00e4 aurinkokunnan alkuvaiheissa. T\u00e4m\u00e4 omituinen muoto aiheuttaa komeetalle vuodenaikoja ja vaikuttaa siihen, miten p\u00f6ly liikkuu komeetan pinnalla. Komeetasta per\u00e4isin olevien kaasujen analysointi on osoittanut, ett\u00e4 se on muodostunut avaruuden eritt\u00e4in kylm\u00e4ss\u00e4 osassa. Rosetta havaitsi jopa, ett\u00e4 67P\/Churyumov-Gerasimenkon kaltaiset komeetat ovat saattaneet tuoda mukanaan joitakin aineksia, joita tarvittiin el\u00e4m\u00e4n syntymiseen maapallolla kauan sitten.<\/p>\n<figure class=\"wp-block-image size-large\" data-width=\"691\" data-credit=\"ESA\/Rosetta\/MPS for OSIRIS Team MPS\/UPD\/LAM\/IAA\/SSO\/INTA\/UPM\/DASP\/IDA\" data-detail-url=\"https:\/\/www.esa.int\/ESA_Multimedia\/Images\/2016\/10\/This_picture_is_actually_lots_of_photos_put_together_a_bit_like_a_jig-saw_puzzle_taken_during_Rosetta_s_final_descent\" 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\/2016\/10\/this_picture_is_actually_lots_of_photos_put_together_a_bit_like_a_jig-saw_puzzle_taken_during_rosetta_s_final_descent\/17901864-2-eng-GB\/This_picture_is_actually_lots_of_photos_put_together_a_bit_like_a_jig-saw_puzzle_taken_during_Rosetta_s_final_descent.jpg\" alt=\"This picture is actually lots of photos put together, a bit like a jig-saw puzzle, taken during Rosetta\u2019s final descent\"><figcaption>T\u00e4m\u00e4 kuva on itse asiassa useista valokuvista koostuva kokonaisuus, v\u00e4h\u00e4n kuin palapeli, ja se on otettu Rosettan viimeisen laskeutumisen aikana<\/figcaption><\/figure>\n<p>Rosetta-luotain on ker\u00e4nnyt niin valtavan m\u00e4\u00e4r\u00e4n tietoa komeetastaan, ett\u00e4 ESA:n tutkijat maapallolla tulevat tutkimaan sit\u00e4 viel\u00e4 monien vuosien ajan ja selvitt\u00e4m\u00e4\u00e4n, mit\u00e4 kaikkea Rosetta on havainnut. Ehk\u00e4 t\u00e4m\u00e4 ei olekaan oikeastaan luotainmatkan loppu, vaan pikemminkin alku!<\/p>\n<p><b>Mielenkiintoinen fakta:<\/b> Rosetta-luotainprojekti sai nimens\u00e4 Rosettan kiven mukaan \u2013 kaiverretun kivitaulun, joka auttoi meit\u00e4 ymm\u00e4rt\u00e4m\u00e4\u00e4n muinaisia kieli\u00e4!<\/p>","protected":false},"excerpt":{"rendered":"<p>ESA\u2019s incredible Rosetta mission has come to an exciting end with a controlled crash onto the comet it had been studying! The probe\u2019s camera kept snapping during the descent, and [&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\/2016\/10\/this_is_the_last_photo_taken_by_rosetta_just_20_metres_above_the_comet\/17883103-2-eng-GB\/This_is_the_last_photo_taken_by_Rosetta_just_20_metres_above_the_comet.jpg","esa_banner_description":"This is the last photo taken by Rosetta, just 20 metres above the comet!","esa_banner_credit":"ESA\/Rosetta\/MPS for OSIRIS Team MPS\/UPD\/LAM\/IAA\/SSO\/INTA\/UPM\/DASP\/IDA","esa_banner_licence":"ESA Standard Licence","esa_banner_detail_url":"https:\/\/www.esa.int\/ESA_Multimedia\/Images\/2016\/10\/This_is_the_last_photo_taken_by_Rosetta_just_20_metres_above_the_comet","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-474","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\/474","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=474"}],"version-history":[{"count":4,"href":"https:\/\/kids.esa.int\/fi\/wp-json\/wp\/v2\/posts\/474\/revisions"}],"predecessor-version":[{"id":4504,"href":"https:\/\/kids.esa.int\/fi\/wp-json\/wp\/v2\/posts\/474\/revisions\/4504"}],"wp:attachment":[{"href":"https:\/\/kids.esa.int\/fi\/wp-json\/wp\/v2\/media?parent=474"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/kids.esa.int\/fi\/wp-json\/wp\/v2\/categories?post=474"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/kids.esa.int\/fi\/wp-json\/wp\/v2\/tags?post=474"},{"taxonomy":"panel","embeddable":true,"href":"https:\/\/kids.esa.int\/fi\/wp-json\/wp\/v2\/panel?post=474"},{"taxonomy":"language","embeddable":true,"href":"https:\/\/kids.esa.int\/fi\/wp-json\/wp\/v2\/language?post=474"},{"taxonomy":"age","embeddable":true,"href":"https:\/\/kids.esa.int\/fi\/wp-json\/wp\/v2\/age?post=474"},{"taxonomy":"duration","embeddable":true,"href":"https:\/\/kids.esa.int\/fi\/wp-json\/wp\/v2\/duration?post=474"},{"taxonomy":"resource_type","embeddable":true,"href":"https:\/\/kids.esa.int\/fi\/wp-json\/wp\/v2\/resource_type?post=474"},{"taxonomy":"audience","embeddable":true,"href":"https:\/\/kids.esa.int\/fi\/wp-json\/wp\/v2\/audience?post=474"},{"taxonomy":"wf_post_folders","embeddable":true,"href":"https:\/\/kids.esa.int\/fi\/wp-json\/wp\/v2\/wf_post_folders?post=474"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}