{"id":430,"date":"2016-08-02T07:55:00","date_gmt":"2016-08-02T05:55:00","guid":{"rendered":"https:\/\/kids.esa.int\/mission_planned_to_clear_up_space_junk\/"},"modified":"2026-10-08T00:28:06","modified_gmt":"2026-10-07T22:28:06","slug":"mission_planned_to_clear_up_space_junk","status":"publish","type":"post","link":"https:\/\/kids.esa.int\/fi\/mission_planned_to_clear_up_space_junk\/","title":{"rendered":"Avaruusromun siivoamiseen suunniteltu operaatio"},"content":{"rendered":"<div class=\"lede\">\n<p>Maan ymp\u00e4rill\u00e4 oleva avaruus on t\u00e4yttynyt vanhoista satelliiteista, rakettien osista ja muista tarpeettomista muovi- ja metallikappaleista. T\u00e4t\u00e4 \u201cavaruusromua\u201d on kertynyt jo yli 60 vuoden ajan, ja se ymp\u00e4r\u00f6i planeettaamme ja aiheuttaa ongelmia. Avaruusromu voi t\u00f6rm\u00e4t\u00e4 toiminnassa oleviin satelliitteihin, vahingoittaa tai tuhota niit\u00e4 ja luoda siten viel\u00e4 lis\u00e4\u00e4 avaruusromua! ESA:n tutkijat ja insin\u00f6\u00f6rit ovat keksineet nerokkaan idean avaruusromun siivoamiseksi: e.Deorbit-nimisen avaruuslennon.<\/p>\n<\/div>\n<figure class=\"wp-block-image size-large\" data-width=\"720\" data-credit=\"ESA\" data-detail-url=\"https:\/\/www.esa.int\/ESA_Multimedia\/Images\/2016\/08\/This_picture_shows_what_e.Deorbit_may_look_like_closing_in_on_a_disused_satellite\" 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\/08\/this_picture_shows_what_e.deorbit_may_look_like_closing_in_on_a_disused_satellite\/17912333-2-eng-GB\/This_picture_shows_what_e.Deorbit_may_look_like_closing_in_on_a_disused_satellite.png\" alt=\"This picture shows what e.Deorbit may look like, closing in on a disused satellite\"><figcaption>T\u00e4ss\u00e4 kuvassa n\u00e4kyy, milt\u00e4 e.Deorbit saattaisi n\u00e4ytt\u00e4\u00e4 l\u00e4hestyess\u00e4\u00e4n k\u00e4yt\u00f6st\u00e4 poistettua satelliittia<\/figcaption><\/figure>\n<p>Jos kaikki sujuu suunnitelmien mukaan, e.Deorbit-projekti k\u00e4ynnistyy vuonna 2023. Maasta laukaistaan erityinen satelliitti, joka j\u00e4ljitt\u00e4\u00e4 suuremman, k\u00e4yt\u00f6st\u00e4 poistetun satelliitin, joka t\u00e4ll\u00e4 hetkell\u00e4 py\u00f6rii satunnaisesti maapallon ymp\u00e4rill\u00e4. Sitten e.Deorbit kiinnittyy romusatelliittiin \u2013 joko tarttumalla siihen robottik\u00e4sivarsilla tai ehk\u00e4 ampumalla erityisen verkon. Seuraavaksi e.Deorbit k\u00e4ytt\u00e4\u00e4 ty\u00f6nt\u00f6moottoreitaan ajaakseen itsens\u00e4 ja romusatelliitin yh\u00e4 alemmas, ja lopulta ne molemmat palavat vaarattomasti maapallon ilmakeh\u00e4ss\u00e4, jolloin ne poistuvat tehokkaasti.<\/p>\n<figure class=\"wp-block-image size-natural\" data-width=\"200\" data-credit=\"ESA\" data-detail-url=\"https:\/\/www.esa.int\/ESA_Multimedia\/Images\/2016\/08\/e.Deorbit_could_use_a_net_to_capture_space_junk\" 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\/08\/e.deorbit_could_use_a_net_to_capture_space_junk\/17892686-2-eng-GB\/e.Deorbit_could_use_a_net_to_capture_space_junk.png\" alt=\"e.Deorbit could use a net to capture space junk\"><figcaption>e.Deorbit voisi k\u00e4ytt\u00e4\u00e4 verkkoa avaruusromun ker\u00e4\u00e4miseen<\/figcaption><\/figure>\n<p>Euroopan avaruusministerit kokoontuvat joulukuussa keskustelemaan e.Deorbit-hankkeesta ja p\u00e4\u00e4tt\u00e4m\u00e4\u00e4n, annetaanko sille vihre\u00e4\u00e4 valoa. Jos hanke saa vihre\u00e4n valon, se tulee olemaan jotain, mit\u00e4 ESA ei ole koskaan aiemmin kokeillut!<\/p>\n<p>Tulevina vuosikymmenin\u00e4 saatamme n\u00e4hd\u00e4 yh\u00e4 enemm\u00e4n avaruusromun raivaamisteht\u00e4vi\u00e4, jotka jatkavat e.Deorbitin aloittamaa ty\u00f6t\u00e4. Keksitk\u00f6 sin\u00e4 jonkin nerokkaan tavan avaruusromun raivaamiseen?<\/p>\n<p><b>Mielenkiintoinen fakta:<\/b> Maata kiert\u00e4\u00e4 noin 29 000 yli 10 cm:n kokoista ihmisen valmistamaa esinett\u00e4!<\/p>","protected":false},"excerpt":{"rendered":"<p>Space around Earth is being littered with old satellites, parts of rockets, and other unwanted pieces of plastic and metal. For more than 60 years this \u201cspace junk\u201d has been [&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\/08\/space_junk_is_becoming_a_big_problem\/17884768-2-eng-GB\/Space_junk_is_becoming_a_big_problem.jpg","esa_banner_description":"Space junk is becoming a big problem!","esa_banner_credit":"Spacejunk3D, LLC","esa_banner_licence":"ESA Standard Licence","esa_banner_detail_url":"https:\/\/www.esa.int\/ESA_Multimedia\/Images\/2016\/08\/Space_junk_is_becoming_a_big_problem","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-430","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\/430","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=430"}],"version-history":[{"count":4,"href":"https:\/\/kids.esa.int\/fi\/wp-json\/wp\/v2\/posts\/430\/revisions"}],"predecessor-version":[{"id":4466,"href":"https:\/\/kids.esa.int\/fi\/wp-json\/wp\/v2\/posts\/430\/revisions\/4466"}],"wp:attachment":[{"href":"https:\/\/kids.esa.int\/fi\/wp-json\/wp\/v2\/media?parent=430"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/kids.esa.int\/fi\/wp-json\/wp\/v2\/categories?post=430"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/kids.esa.int\/fi\/wp-json\/wp\/v2\/tags?post=430"},{"taxonomy":"panel","embeddable":true,"href":"https:\/\/kids.esa.int\/fi\/wp-json\/wp\/v2\/panel?post=430"},{"taxonomy":"language","embeddable":true,"href":"https:\/\/kids.esa.int\/fi\/wp-json\/wp\/v2\/language?post=430"},{"taxonomy":"age","embeddable":true,"href":"https:\/\/kids.esa.int\/fi\/wp-json\/wp\/v2\/age?post=430"},{"taxonomy":"duration","embeddable":true,"href":"https:\/\/kids.esa.int\/fi\/wp-json\/wp\/v2\/duration?post=430"},{"taxonomy":"resource_type","embeddable":true,"href":"https:\/\/kids.esa.int\/fi\/wp-json\/wp\/v2\/resource_type?post=430"},{"taxonomy":"audience","embeddable":true,"href":"https:\/\/kids.esa.int\/fi\/wp-json\/wp\/v2\/audience?post=430"},{"taxonomy":"wf_post_folders","embeddable":true,"href":"https:\/\/kids.esa.int\/fi\/wp-json\/wp\/v2\/wf_post_folders?post=430"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}