{"id":576,"date":"2014-09-29T12:01:00","date_gmt":"2014-09-29T10:01:00","guid":{"rendered":"https:\/\/kids.esa.int\/six_months_aboard_the_international_space_station\/"},"modified":"2026-10-08T00:29:49","modified_gmt":"2026-10-07T22:29:49","slug":"six_months_aboard_the_international_space_station","status":"publish","type":"post","link":"https:\/\/kids.esa.int\/fi\/six_months_aboard_the_international_space_station\/","title":{"rendered":"Kuusi kuukautta kansainv\u00e4lisell\u00e4 avaruusasemalla"},"content":{"rendered":"<div class=\"lede\">\n<p>20. marraskuuta 1998 yksi ihmiskunnan suurimmista unelmista toteutui \u2013 kansainv\u00e4lisen avaruusaseman ensimm\u00e4inen moduuli laukaistiin avaruuteen. Meill\u00e4 olisi vihdoin ihmisille tarkoitettu tukikohta avaruudessa!<\/p>\n<\/div>\n<p>Kansainv\u00e4linen avaruusasema, jota usein kutsutaan nimell\u00e4 \u2018ISS\u2019, on erityinen avaruusalus, joka leijuu avaruudessa Maan kiertoradalla. Se on hieman jalkapallokentt\u00e4\u00e4 suurempi ja painaa enemm\u00e4n kuin 450 autoa yhteens\u00e4, mutta ISS kiit\u00e4\u00e4 Maan ymp\u00e4ri 16 kertaa p\u00e4iv\u00e4ss\u00e4.<\/p>\n<p>Valtava avaruusasema toimii sek\u00e4 laboratoriona ett\u00e4 asuntona. ISS:ll\u00e4 voi asua kerrallaan jopa kuusi henkil\u00f6\u00e4, ja he voivat viipy\u00e4 siell\u00e4 jopa kuusi kuukautta!<\/p>\n<p>Aluksella miehist\u00f6 suorittaa kaikenlaisia tieteellisi\u00e4 kokeita, joita voidaan tehd\u00e4 vain avaruudessa. Ne ulottuvat biologiasta t\u00e4htitieteeseen, ja niihin kuuluu esimerkiksi kokeita, joiden avulla selvitet\u00e4\u00e4n avaruudessa el\u00e4misen riskej\u00e4, jotta astronauttien turvallisuus voidaan taata tulevilla Mars- ja sen ulkopuolelle suuntautuvilla lennoilla!<\/p>\n<figure class=\"wp-block-image size-large\" data-width=\"1200\" data-credit=\"ESA\" data-detail-url=\"https:\/\/www.esa.int\/ESA_Multimedia\/Images\/2014\/09\/Alexander_with_EML2\" 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\/2014\/09\/alexander_with_eml2\/17870375-2-eng-GB\/Alexander_with_EML.jpg\" alt=\"\"><\/figure>\n<p>ESA:n astronautti Alexander Gerst on nyt edennyt yli puoleen v\u00e4liin kuuden kuukauden mittaisesta \u2018Blue Dot\u2019 -nimisest\u00e4 teht\u00e4v\u00e4st\u00e4\u00e4n, joka on parhaillaan k\u00e4ynniss\u00e4 kansainv\u00e4lisell\u00e4 avaruusasemalla (ISS). T\u00e4m\u00e4n teht\u00e4v\u00e4n aikana toteutetaan yli 100 mielenkiintoista tieteellist\u00e4 kokeilua, joiden tarkoituksena on parantaa el\u00e4m\u00e4\u00e4 maapallolla, testata uusia teknologioita ja valmistautua aurinkokunnan ja avaruuden jatkotutkimuksiin.<\/p>\n<p>Esimerkiksi astronautit harjoittelevat 90 minuuttia p\u00e4iv\u00e4ss\u00e4 pysy\u00e4kseen kunnossa ja pit\u00e4\u00e4kseen luunsa ja lihaksensa tervein\u00e4 avaruudessa oleskelunsa aikana. Harjoituksen j\u00e4lkeinen suihku ei kuitenkaan ole mahdollista ISS:ll\u00e4. Yksi Blue Dot -kokeista koskee kahden uuden vaatekankaan testaamista, jotka imev\u00e4t hike\u00e4, pit\u00e4v\u00e4t kehon viile\u00e4n\u00e4 ja joilla on jopa puhdistavia ominaisuuksia.<\/p>\n<p>Jotkut kokeista ovat hieman haastavampia kuin toiset, ja Alexander suorittaa parhaillaan monia kokeita itsell\u00e4\u00e4n! Niiden tarkoituksena on selvitt\u00e4\u00e4, miten ihmisen keho reagoi mikropainovoimassa.<\/p>\n<p><b>Mielenkiintoinen fakta:<\/b> Voit n\u00e4hd\u00e4 ISS:n omin silmin maasta k\u00e4sin! Selvit\u00e4, milloin ISS kulkee p\u00e4\u00e4ll\u00e4si, k\u00e4ytt\u00e4m\u00e4ll\u00e4 <a href=\"http:\/\/www.esa.int\/Our_Activities\/Human_Spaceflight\/International_Space_Station\/Where_is_the_International_Space_Station\" target=\"_blank\" rel=\"noopener\">ISS-seurantaohjelma<\/a>.<\/p>\n<nav class=\"related\" aria-label=\"Aiheeseen liittyv\u00e4t\">\n<h2 class=\"related__heading\">Aiheeseen liittyv\u00e4t<\/h2>\n<div class=\"grid related__grid\">\n<div class=\"grid-item\">\n<article class=\"card focuson agency\"><a class=\"card__link\" href=\"http:\/\/www.esa.int\/Our_Activities\/Human_Spaceflight\/International_Space_Station\/Where_is_the_International_Space_Station\" target=\"_blank\" rel=\"noopener\"><\/p>\n<figure class=\"thumbnail\"><span class=\"dimmer\"><\/span><\/figure>\n<header class=\"entry\">\n<h3 class=\"heading\">ESAn seurantaj\u00e4rjestelm\u00e4<\/h3>\n<\/header>\n<p><\/a><\/article>\n<\/div>\n<\/div>\n<\/nav>","protected":false},"excerpt":{"rendered":"<p>On 20 November 1998 one of humanity\u2019s greatest dreams came true \u2013 the first module of the International Space Station was launched. We were finally going to have a base [&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\/2014\/09\/expedition_40_412\/18246513-2-eng-GB\/Expedition_40_41.jpg","esa_banner_description":"","esa_banner_credit":"ESA","esa_banner_licence":"ESA Standard Licence","esa_banner_detail_url":"https:\/\/www.esa.int\/ESA_Multimedia\/Images\/2014\/09\/Expedition_40_412","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-576","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\/576","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=576"}],"version-history":[{"count":4,"href":"https:\/\/kids.esa.int\/fi\/wp-json\/wp\/v2\/posts\/576\/revisions"}],"predecessor-version":[{"id":4557,"href":"https:\/\/kids.esa.int\/fi\/wp-json\/wp\/v2\/posts\/576\/revisions\/4557"}],"wp:attachment":[{"href":"https:\/\/kids.esa.int\/fi\/wp-json\/wp\/v2\/media?parent=576"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/kids.esa.int\/fi\/wp-json\/wp\/v2\/categories?post=576"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/kids.esa.int\/fi\/wp-json\/wp\/v2\/tags?post=576"},{"taxonomy":"panel","embeddable":true,"href":"https:\/\/kids.esa.int\/fi\/wp-json\/wp\/v2\/panel?post=576"},{"taxonomy":"language","embeddable":true,"href":"https:\/\/kids.esa.int\/fi\/wp-json\/wp\/v2\/language?post=576"},{"taxonomy":"age","embeddable":true,"href":"https:\/\/kids.esa.int\/fi\/wp-json\/wp\/v2\/age?post=576"},{"taxonomy":"duration","embeddable":true,"href":"https:\/\/kids.esa.int\/fi\/wp-json\/wp\/v2\/duration?post=576"},{"taxonomy":"resource_type","embeddable":true,"href":"https:\/\/kids.esa.int\/fi\/wp-json\/wp\/v2\/resource_type?post=576"},{"taxonomy":"audience","embeddable":true,"href":"https:\/\/kids.esa.int\/fi\/wp-json\/wp\/v2\/audience?post=576"},{"taxonomy":"wf_post_folders","embeddable":true,"href":"https:\/\/kids.esa.int\/fi\/wp-json\/wp\/v2\/wf_post_folders?post=576"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}