{"id":410,"date":"2018-03-20T13:49:00","date_gmt":"2018-03-20T12:49:00","guid":{"rendered":"https:\/\/kids.esa.int\/astronauts_get_a_breath_of_fresh_air\/"},"modified":"2026-10-08T00:27:51","modified_gmt":"2026-10-07T22:27:51","slug":"astronauts_get_a_breath_of_fresh_air","status":"publish","type":"post","link":"https:\/\/kids.esa.int\/hu\/astronauts_get_a_breath_of_fresh_air\/","title":{"rendered":"Az \u0171rhaj\u00f3sok friss leveg\u0151t sz\u00edvnak"},"content":{"rendered":"<div class=\"lede\">\n<p>A Nemzetk\u00f6zi \u0170r\u00e1llom\u00e1son \u00e9l\u0151 \u0171rhaj\u00f3soknak ugyanazokra a dolgokra van sz\u00fcks\u00e9g\u00fck a t\u00fal\u00e9l\u00e9shez, mint nek\u00fcnk: \u00e9telre, v\u00edzre \u00e9s oxig\u00e9nre. Ezeket az ell\u00e1tm\u00e1nyokat teher\u0171rhaj\u00f3kkal sz\u00e1ll\u00edtj\u00e1k a F\u00f6ldr\u0151l. De k\u00e9pzeld el, hogy egy j\u00f6v\u0151beli \u0171rhaj\u00f3n utaz\u00f3 \u0171rhaj\u00f3s vagy, aki egy t\u00e1voli bolyg\u00f3 fel\u00e9 tart. T\u00fal messze leszel a F\u00f6ldt\u0151l ahhoz, hogy b\u00e1rmilyen ell\u00e1tm\u00e1nyt kapj. Hogyan fogod megszerezni a t\u00fal\u00e9l\u00e9shez sz\u00fcks\u00e9ges dolgokat? Ennek a kih\u00edv\u00e1snak a megold\u00e1sa \u00e9rdek\u00e9ben a tud\u00f3sok jelenleg egy k\u00eds\u00e9rletet v\u00e9geznek az oxig\u00e9n el\u0151\u00e1ll\u00edt\u00e1s\u00e1ra a Nemzetk\u00f6zi \u0170r\u00e1llom\u00e1son.<\/p>\n<\/div>\n<figure class=\"wp-block-image size-large\" data-width=\"6480\" data-credit=\"ESA-M. Cowan,\tCC BY-SA 3.0 IGO\" data-detail-url=\"https:\/\/www.esa.int\/ESA_Multimedia\/Images\/2018\/03\/Cosmic_farming\" data-licence=\"CC BY-SA 3.0 IGO or 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\/2018\/03\/cosmic_farming\/17869265-2-eng-GB\/Cosmic_farming.jpg\" alt=\"Cosmic farming\"><figcaption>Kozmikus gazd\u00e1lkod\u00e1s<\/figcaption><\/figure>\n<p>Tudtad, hogy amikor az emberek l\u00e9legeznek, oxig\u00e9nt vesznek fel, \u00e9s sz\u00e9n-dioxidot bocs\u00e1tanak ki? A n\u00f6v\u00e9nyekn\u00e9l \u00e9ppen ford\u00edtott a folyamat: a f\u00e9ny energi\u00e1v\u00e1 alak\u00edt\u00e1s\u00e1val (ez a folyamat a fotoszint\u00e9zis) sz\u00e9n-dioxidot vesznek fel, \u00e9s oxig\u00e9nt bocs\u00e1tanak ki. \u00cdgy a n\u00f6v\u00e9nyek jelenl\u00e9te az \u0171rben kiv\u00e1l\u00f3 m\u00f3dszer lehetne a leveg\u0151 \u00fajrahasznos\u00edt\u00e1s\u00e1ra az \u0171rhaj\u00f3sok sz\u00e1m\u00e1ra. A tud\u00f3sok k\u00eds\u00e9rlet\u00e9nek c\u00e9lja annak kider\u00edt\u00e9se, hogy a fotoszint\u00e9zis az \u0171r s\u00falytalans\u00e1gi k\u00f6r\u00fclm\u00e9nyei k\u00f6z\u00f6tt ugyan\u00fagy m\u0171k\u00f6dik-e, mint a F\u00f6ld\u00f6n.<\/p>\n<figure class=\"wp-block-image size-large\" data-width=\"5312\" data-credit=\"SCK-CEN\" data-detail-url=\"https:\/\/www.esa.int\/ESA_Multimedia\/Images\/2018\/03\/Spirulina\" 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\/2018\/03\/spirulina\/17885027-2-eng-GB\/Spirulina.jpg\" alt=\"Spirulina\"><figcaption>Spirulina<\/figcaption><\/figure>\n<p>Az Arthrospira nev\u0171, n\u00f6v\u00e9nyhez hasonl\u00f3an fotoszintetiz\u00e1l\u00f3 k\u00fcl\u00f6nleges bakt\u00e9riumfajt\u00e1t felvitt\u00e9k az ESA Columbus laborat\u00f3rium\u00e1ba a Nemzetk\u00f6zi \u0170r\u00e1llom\u00e1son. Ezt k\u00f6vet\u0151en egy \u00fagynevezett fotobioreaktorba helyezt\u00e9k, amely egy er\u0151s f\u00e9nyt biztos\u00edt\u00f3 henger. Az Arthrospira felsz\u00edvja az \u0171rhaj\u00f3sok \u00e1ltal kil\u00e9legzett sz\u00e9n-dioxidot, \u00e9s oxig\u00e9nn\u00e9 alak\u00edtja \u00e1t. R\u00e1ad\u00e1sul az Arthrospira k\u00f6nnyen \u00e1talak\u00edthat\u00f3 \u00fagynevezett spirulin\u00e1v\u00e1, amely nagyon t\u00e1pl\u00e1l\u00f3, \u00e9s az \u0171rhaj\u00f3sok is fogyaszthatj\u00e1k!<\/p>\n<p>A legfontosabb k\u00e9rd\u00e9s most az, hogy az \u0171rben tart\u00f3zkod\u00e1s megv\u00e1ltoztatja-e a n\u00f6v\u00e9nyek oxig\u00e9ntermel\u00e9s\u00e9nek hat\u00e9konys\u00e1g\u00e1t. A s\u00falytalans\u00e1g seg\u00edt-e nekik abban, hogy hat\u00e9konyabban m\u0171k\u00f6djenek, vagy furcsa mell\u00e9khat\u00e1sokat okoz? Az \u0171rb\u0151l \u00e9rkez\u0151 sug\u00e1rz\u00e1s el\u0151seg\u00edti vagy h\u00e1tr\u00e1ltatja ezt a folyamatot? Hamarosan megkapjuk a v\u00e1laszt.<\/p>\n<p>Tal\u00e1n a j\u00f6v\u0151ben \u0171rhaj\u00f3s leszel, aki egy m\u00e1sik vil\u00e1gba utazik, \u00e9s n\u00f6v\u00e9nyek \u00e1ltal \u00fajrahasznos\u00edtott leveg\u0151t l\u00e9legzel be!<\/p>\n<p><b>\u00c9rdekes t\u00e9ny:<\/b> A tud\u00f3sok olyan g\u00e9pek kifejleszt\u00e9s\u00e9ben rem\u00e9nykednek, amelyek az \u0171rhaj\u00f3sok vizelet\u00e9t v\u00edzr\u00e9 alak\u00edtj\u00e1k \u00e1t, amit azut\u00e1n meg is ihatnak!<\/p>","protected":false},"excerpt":{"rendered":"<p>Astronauts living on-board the International Space Station need the same things that we do to survive: food to eat, water to drink, and oxygen to breathe. These supplies are delivered [&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\/2018\/03\/arthrospira_microalgae\/17879736-2-eng-GB\/Arthrospira_microalgae.jpg","esa_banner_description":"Arthrospira microalgae","esa_banner_credit":"SCK-CEN","esa_banner_licence":"ESA Standard Licence","esa_banner_detail_url":"https:\/\/www.esa.int\/ESA_Multimedia\/Images\/2018\/03\/Arthrospira_microalgae","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-410","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\/hu\/wp-json\/wp\/v2\/posts\/410","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/comments?post=410"}],"version-history":[{"count":4,"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/posts\/410\/revisions"}],"predecessor-version":[{"id":4452,"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/posts\/410\/revisions\/4452"}],"wp:attachment":[{"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/media?parent=410"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/categories?post=410"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/tags?post=410"},{"taxonomy":"panel","embeddable":true,"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/panel?post=410"},{"taxonomy":"language","embeddable":true,"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/language?post=410"},{"taxonomy":"age","embeddable":true,"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/age?post=410"},{"taxonomy":"duration","embeddable":true,"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/duration?post=410"},{"taxonomy":"resource_type","embeddable":true,"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/resource_type?post=410"},{"taxonomy":"audience","embeddable":true,"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/audience?post=410"},{"taxonomy":"wf_post_folders","embeddable":true,"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/wf_post_folders?post=410"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}