{"id":667,"date":"2011-07-05T08:31:00","date_gmt":"2011-07-05T06:31:00","guid":{"rendered":"https:\/\/kids.esa.int\/spacewalks\/"},"modified":"2026-10-08T00:30:56","modified_gmt":"2026-10-07T22:30:56","slug":"spacewalks","status":"publish","type":"post","link":"https:\/\/kids.esa.int\/hu\/spacewalks\/","title":{"rendered":"\u0170rs\u00e9t\u00e1k"},"content":{"rendered":"
\n

K\u00e9pzeld el, hogy az \u0171rben s\u00e9t\u00e1lsz, \u00e9s t\u00f6bb mint 27 000 km\/h sebess\u00e9ggel rep\u00fclsz a F\u00f6ld k\u00f6r\u00fcl! Ezt \u00e9lhett\u00e9k \u00e1t az elm\u00falt 50 \u00e9vben t\u00f6bb sz\u00e1z \u0171rs\u00e9t\u00e1l\u00f3. Az \u0171rs\u00e9t\u00e1k (hivatalos nev\u00fck\u00f6n Extravehicular Activity, r\u00f6viden EVA) az \u0171rben v\u00e9gzett munka elengedhetetlen r\u00e9sz\u00e9t k\u00e9pezik. \u00daj berendez\u00e9sek \u00e9s k\u00eds\u00e9rleti eszk\u00f6z\u00f6k felszerel\u00e9s\u00e9re, valamint jav\u00edt\u00e1si munk\u00e1k elv\u00e9gz\u00e9s\u00e9re szolg\u00e1lnak. 1998 \u00f3ta k\u00f6zel 1 000 \u00f3r\u00e1nyi \u0171rs\u00e9ta volt sz\u00fcks\u00e9ges a Nemzetk\u00f6zi \u0170r\u00e1llom\u00e1s fel\u00e9p\u00edt\u00e9s\u00e9hez \u00e9s karbantart\u00e1s\u00e1hoz.<\/p>\n<\/div>\n

Az \u0171rs\u00e9t\u00e1t v\u00e9gz\u0151 \u0171rhaj\u00f3sok v\u00e9d\u0151ruh\u00e1t viselnek, amikor bel\u00e9pnek az \u0171r l\u00e9gmentes v\u00e1kuum\u00e1ba. Ezek a ruh\u00e1k sz\u00e1mos k\u00fcl\u00f6nb\u00f6z\u0151 r\u00e9tegb\u0151l \u00e1llnak, amelyek biztos\u00edtj\u00e1k a visel\u0151j\u00fck megfelel\u0151 h\u0151m\u00e9rs\u00e9klet\u00e9t, lehet\u0151v\u00e9 teszik a l\u00e9gz\u00e9st, \u00e9s megv\u00e9dik \u0151ket a k\u00e1ros sug\u00e1rz\u00e1st\u00f3l. A ruh\u00e1k belsej\u00e9ben az oxig\u00e9nnyom\u00e1s alacsonyabb, mint az \u0171r\u00e1llom\u00e1son. Ez\u00e9rt az \u0171rhaj\u00f3soknak k\u00f6r\u00fclbel\u00fcl n\u00e9gy \u00f3r\u00e1t kell oxig\u00e9nt l\u00e9legezni\u00fck egy l\u00e9gzsilipben, miel\u0151tt kil\u00e9phetnek a szabad \u0171rbe.<\/p>\n

Az ISS-en k\u00e9t k\u00fcl\u00f6nb\u00f6z\u0151 nyom\u00e1s\u00e1ll\u00f3 ruh\u00e1t t\u00e1rolnak. Az amerikai ruha k\u00e9t r\u00e9szb\u0151l \u00e1ll: egy merev fels\u0151test-r\u00e9szb\u0151l \u00e9s egy rugalmas als\u00f3test-r\u00e9szb\u0151l. Ezek a r\u00e9szek a der\u00e9kn\u00e1l kapcsol\u00f3dnak \u00f6ssze. Az \u0171rhaj\u00f3s l\u00e1bait a nadr\u00e1gba cs\u00fasztatj\u00e1k, majd a karjait \u00e9s a fels\u0151test\u00e9t a fels\u0151 r\u00e9szbe helyezik. Az orosz ruha fels\u0151 r\u00e9sze merev, h\u00e1ts\u00f3 ny\u00edl\u00e1ssal rendelkezik, amelyben az \u00e9letfenntart\u00f3 rendszer is helyet kap. Ez megk\u00f6nny\u00edti az egykezes fel\u00f6lt\u00e9st. Mindk\u00e9t ruh\u00e1hoz k\u00fcl\u00f6n keszty\u0171 \u00e9s sisak tartozik.<\/p>\n

Az \u0171rs\u00e9t\u00e1l\u00f3kat gyakran egy robotkar v\u00e9g\u00e9n sz\u00e1ll\u00edtj\u00e1k egyik helyr\u0151l a m\u00e1sikra. Vannak tov\u00e1bb\u00e1 speci\u00e1lis korl\u00e1tok is, amelyek seg\u00edtik \u0151ket a mozg\u00e1sban. Hogy ne sodr\u00f3djanak el \u00e9s ne vesszenek el az \u0171rben, v\u00e9kony zsin\u00f3rokkal kapcsol\u00f3dnak az \u0171r\u00e1llom\u00e1shoz. Az \u0171rs\u00e9t\u00e1k t\u00f6bb \u00f3r\u00e1n \u00e1t is tarthatnak. A rekordot Susan Helms \u00e9s James Voss tartja, akik 2001 m\u00e1rcius\u00e1ban k\u00f6zel 9 \u00f3r\u00e1t t\u00f6lt\u00f6ttek az \u0171rben.<\/p>","protected":false},"excerpt":{"rendered":"

Imagine walking in space and flying around the Earth at more than 27,000 km\/h! This is what hundreds of spacewalkers have experienced in the last 50 years. Spacewalks (officially known […]<\/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\/2010\/10\/esa_astronaut_christer_fuglesang2\/17910714-2-eng-GB\/ESA_astronaut_Christer_Fuglesang.jpg","esa_banner_description":"","esa_banner_credit":"NASA","esa_banner_licence":"ESA Standard Licence","esa_banner_detail_url":"https:\/\/www.esa.int\/ESA_Multimedia\/Images\/2010\/10\/ESA_astronaut_Christer_Fuglesang2","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":[10,13,63],"tags":[2],"panel":[],"language":[],"age":[],"duration":[],"resource_type":[],"audience":[],"wf_post_folders":[],"class_list":["post-667","post","type-post","status-publish","format-standard","hentry","category-learn","category-life-in-space","category-living-in-space","tag-background-article"],"jetpack_sharing_enabled":true,"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/posts\/667","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=667"}],"version-history":[{"count":1,"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/posts\/667\/revisions"}],"predecessor-version":[{"id":1810,"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/posts\/667\/revisions\/1810"}],"wp:attachment":[{"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/media?parent=667"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/categories?post=667"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/tags?post=667"},{"taxonomy":"panel","embeddable":true,"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/panel?post=667"},{"taxonomy":"language","embeddable":true,"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/language?post=667"},{"taxonomy":"age","embeddable":true,"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/age?post=667"},{"taxonomy":"duration","embeddable":true,"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/duration?post=667"},{"taxonomy":"resource_type","embeddable":true,"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/resource_type?post=667"},{"taxonomy":"audience","embeddable":true,"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/audience?post=667"},{"taxonomy":"wf_post_folders","embeddable":true,"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/wf_post_folders?post=667"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}