{"id":958,"date":"2004-11-19T09:19:00","date_gmt":"2004-11-19T08:19:00","guid":{"rendered":"https:\/\/kids.esa.int\/columbus\/"},"modified":"2026-10-08T00:34:13","modified_gmt":"2026-10-07T22:34:13","slug":"columbus","status":"publish","type":"post","link":"https:\/\/kids.esa.int\/fi\/columbus\/","title":{"rendered":"Columbus"},"content":{"rendered":"<div class=\"lede\">\n<p>Kansainv\u00e4list\u00e4 avaruusasemaa (ISS) k\u00e4ytet\u00e4\u00e4n moniin tieteellisiin kokeisiin. Hy\u00f6dynt\u00e4m\u00e4ll\u00e4 kiertoradalla vallitsevia painottomuusolosuhteita tutkijat pystyv\u00e4t tutkimaan monia asioita, joita ei voida helposti tutkia maan pinnalla.<\/p>\n<\/div>\n<p>Columbus-laboratorio on ESA:n t\u00e4rkein panos kansainv\u00e4liselle avaruusasemalle (ISS). Noin 6,5 metri\u00e4 pitk\u00e4 ja 4,5 metri\u00e4 leve\u00e4, sylinterinmuotoinen laboratorio mahdollistaa jopa kolmen astronautin ty\u00f6skentelyn miellytt\u00e4viss\u00e4 olosuhteissa, joissa voi ty\u00f6skennell\u00e4 pelkiss\u00e4 paidoissa. Seinien varrella on 16 hyllykk\u00f6\u00e4, joihin on sijoitettu kokeita, varusteita ja muuta laitteistoa.<\/p>\n<p>N\u00e4it\u00e4 ovat muun muassa:<\/p>\n<ul>\n<li>\n<p>Biolab, jossa tehd\u00e4\u00e4n kokeita solukudoksilla, pienill\u00e4 kasveilla ja el\u00e4imill\u00e4<\/p>\n<\/li>\n<li>\n<p>Nesteiden tutkimuslaboratorio, jossa tutkijat tutkivat nesteiden k\u00e4ytt\u00e4ytymist\u00e4 painottomuudessa<\/p>\n<\/li>\n<li>\n<p>Laitos metallien ominaisuuksien tutkimiseen<\/p>\n<\/li>\n<li>\n<p>Moduulit, joissa tutkitaan mikropainovoiman vaikutuksia ihmiskehoon<\/p>\n<\/li>\n<\/ul>\n<p>Muut kokeet on sijoitettu Columbus-moduulin ulkopuolella oleviin alustoihin. Joidenkin kokeiden tarkoituksena on altistaa eri materiaaleista tai bakteereista otettuja n\u00e4ytteit\u00e4 avaruuden ankarille olosuhteille. Toiset taas ottavat kuvia Maasta, Auringosta tai kaukaisista galakseista.<\/p>\n<p>Atlantis-sukkula kuljetti Columbus-moduulin kansainv\u00e4liselle avaruusasemalle (ISS), ja se kiinnitettiin Harmony-moduuliin 11. helmikuuta 2008. Aluksella oli kaksi ESA:n astronauttia, ranskalainen L\u00e9opold Eyharts ja saksalainen Hans Schlegel, jotka asensivat ja ottivat laboratorion k\u00e4ytt\u00f6\u00f6n. Schlegel suoritti kaksi avaruusk\u00e4vely\u00e4 avustaakseen siirrossa Harmony-moduuliin. Eyharts pysyi asemalla noin kaksi kuukautta testatakseen Columbuksen j\u00e4rjestelmi\u00e4 ja k\u00e4ynnist\u00e4\u00e4kseen sen ensimm\u00e4iset tieteelliset kokeet. Lis\u00e4tietoja Columbus-laboratoriosta l\u00f6ytyy osoitteesta: <a href=\"http:\/\/www.esa.int\/columbus\" target=\"_blank\" rel=\"noopener\">www.esa.int\/columbus<\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>The International Space Station (ISS) is used for many scientific experiments. Taking advantage of weightlessness conditions in orbit, scientists are able to study many things that cannot easily be studied [&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\/2001\/11\/cutaway_view_of_columbus_laboratory2\/17865417-3-eng-GB\/Cutaway_view_of_Columbus_laboratory.jpg","esa_banner_description":"Cutaway view of Columbus laboratory","esa_banner_credit":"ESA\u2013D. 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