{"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\/sv\/astronauts_get_a_breath_of_fresh_air\/","title":{"rendered":"Astronauterna f\u00e5r en nypa frisk luft"},"content":{"rendered":"<div class=\"lede\">\n<p>Astronauter som bor ombord p\u00e5 den internationella rymdstationen beh\u00f6ver samma saker som vi f\u00f6r att \u00f6verleva: mat att \u00e4ta, vatten att dricka och syre att andas. Dessa f\u00f6rn\u00f6denheter levereras fr\u00e5n jorden med hj\u00e4lp av fraktskepp. Men t\u00e4nk dig att du \u00e4r en astronaut p\u00e5 ett framtida rymdskepp, p\u00e5 v\u00e4g till en avl\u00e4gsen planet. Du kommer att befinna dig f\u00f6r l\u00e5ngt fr\u00e5n jorden f\u00f6r att kunna f\u00e5 n\u00e5gra f\u00f6rn\u00f6denheter. Hur ska du d\u00e5 f\u00e5 tag p\u00e5 det du beh\u00f6ver f\u00f6r att \u00f6verleva? F\u00f6r att l\u00f6sa denna utmaning genomf\u00f6r forskare just nu ett experiment f\u00f6r att framst\u00e4lla syre p\u00e5 den internationella rymdstationen.<\/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>Kosmiskt jordbruk<\/figcaption><\/figure>\n<p>Visste du att n\u00e4r m\u00e4nniskor andas tar vi in syre och andas ut koldioxid? V\u00e4xter g\u00f6r tv\u00e4rtom: genom att omvandla ljus till energi (en process som kallas fotosyntes) tar de upp koldioxid och avger syre. Att ha v\u00e4xter i rymden skulle allts\u00e5 kunna vara ett utm\u00e4rkt s\u00e4tt att \u00e5tervinna luften f\u00f6r astronauterna. Forskarnas experiment g\u00e5r ut p\u00e5 att ta reda p\u00e5 om fotosyntesen fungerar p\u00e5 samma s\u00e4tt i rymdens tyngdl\u00f6shet som den g\u00f6r p\u00e5 jorden.<\/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>En speciell bakterieart som kallas Arthrospira, och som utf\u00f6r fotosyntes precis som en v\u00e4xt, f\u00f6rdes till ESA:s Columbus-laboratorium p\u00e5 den internationella rymdstationen. Den placerades sedan i en anordning som kallas fotobioreaktor, vilket \u00e4r en cylinder med mycket ljus. Arthrospira tar upp koldioxid som astronauterna andas ut och omvandlar den till syre. Som en extra bonus kan Arthrospira enkelt omvandlas till n\u00e5got som kallas spirulina, vilket \u00e4r mycket n\u00e4ringsrikt och kan \u00e4tas av astronauterna!<\/p>\n<p>Den stora fr\u00e5gan nu \u00e4r om vistelsen i rymden p\u00e5verkar hur effektivt v\u00e4xterna producerar syre. Bidrar tyngdl\u00f6sheten till att de blir mer effektiva, eller ger den upphov till m\u00e4rkliga bieffekter? Har str\u00e5lningen fr\u00e5n rymden en positiv eller negativ inverkan p\u00e5 processen? Snart f\u00e5r vi svaret.<\/p>\n<p>Kanske kommer du i framtiden att bli astronaut och resa till en annan v\u00e4rld, d\u00e4r du andas luft som renats av v\u00e4xter!<\/p>\n<p><b>Rolig fakta:<\/b> Forskarna hoppas kunna ta fram maskiner som omvandlar astronauternas urin till vatten som de sedan kan dricka!<\/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\/sv\/wp-json\/wp\/v2\/posts\/410","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/kids.esa.int\/sv\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/kids.esa.int\/sv\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/kids.esa.int\/sv\/wp-json\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/kids.esa.int\/sv\/wp-json\/wp\/v2\/comments?post=410"}],"version-history":[{"count":4,"href":"https:\/\/kids.esa.int\/sv\/wp-json\/wp\/v2\/posts\/410\/revisions"}],"predecessor-version":[{"id":4452,"href":"https:\/\/kids.esa.int\/sv\/wp-json\/wp\/v2\/posts\/410\/revisions\/4452"}],"wp:attachment":[{"href":"https:\/\/kids.esa.int\/sv\/wp-json\/wp\/v2\/media?parent=410"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/kids.esa.int\/sv\/wp-json\/wp\/v2\/categories?post=410"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/kids.esa.int\/sv\/wp-json\/wp\/v2\/tags?post=410"},{"taxonomy":"panel","embeddable":true,"href":"https:\/\/kids.esa.int\/sv\/wp-json\/wp\/v2\/panel?post=410"},{"taxonomy":"language","embeddable":true,"href":"https:\/\/kids.esa.int\/sv\/wp-json\/wp\/v2\/language?post=410"},{"taxonomy":"age","embeddable":true,"href":"https:\/\/kids.esa.int\/sv\/wp-json\/wp\/v2\/age?post=410"},{"taxonomy":"duration","embeddable":true,"href":"https:\/\/kids.esa.int\/sv\/wp-json\/wp\/v2\/duration?post=410"},{"taxonomy":"resource_type","embeddable":true,"href":"https:\/\/kids.esa.int\/sv\/wp-json\/wp\/v2\/resource_type?post=410"},{"taxonomy":"audience","embeddable":true,"href":"https:\/\/kids.esa.int\/sv\/wp-json\/wp\/v2\/audience?post=410"},{"taxonomy":"wf_post_folders","embeddable":true,"href":"https:\/\/kids.esa.int\/sv\/wp-json\/wp\/v2\/wf_post_folders?post=410"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}