{"id":906,"date":"2004-11-19T09:13:00","date_gmt":"2004-11-19T08:13:00","guid":{"rendered":"https:\/\/kids.esa.int\/gravity_and_weightlessness\/"},"modified":"2026-10-08T00:33:36","modified_gmt":"2026-10-07T22:33:36","slug":"gravity_and_weightlessness","status":"publish","type":"post","link":"https:\/\/kids.esa.int\/hu\/gravity_and_weightlessness\/","title":{"rendered":"Gravit\u00e1ci\u00f3 \u00e9s s\u00falytalans\u00e1g"},"content":{"rendered":"<div class=\"lede\">\n<p>A mindennapi \u00e9let\u00fcnk olyan tev\u00e9kenys\u00e9geket foglal mag\u00e1ban, mint az \u00fcl\u00e9s, a s\u00e9ta, a f\u00f6ldr\u0151l val\u00f3 felemel\u00e9s \u00e9s az \u00e1gyban fekv\u00e9s. Ezek k\u00f6z\u00fcl egyik tev\u00e9kenys\u00e9g sem lehets\u00e9ges a p\u00e1ly\u00e1n.<\/p>\n<\/div>\n<p>Amint egy \u0171rhaj\u00f3 el\u00e9ri a p\u00e1ly\u00e1t, a fed\u00e9lzet\u00e9n minden s\u00falytalannak t\u0171nik. B\u00e1rmelyik t\u00e1rgy (vagy szem\u00e9ly), amelyet nem r\u00f6gz\u00edtettek, lebegni fog.<\/p>\n<p>Az \u0171rhaj\u00f3sok akkor \u00e9rzik meg el\u0151sz\u00f6r a s\u00falytalans\u00e1g hat\u00e1s\u00e1t, amikor a rak\u00e9tahajt\u00f3m\u0171vek le\u00e1llnak. Azonnal lebegni kezdenek, \u00e9s csak a biztons\u00e1gi \u00f6vek tartj\u00e1k \u0151ket a hely\u00fck\u00f6n. A s\u00falytalans\u00e1gnak k\u00f6sz\u00f6nhet\u0151en az \u0171rhaj\u00f3sok szuperer\u0151snek t\u0171nnek. Olyan t\u00e1rgyakat is fel tudnak emelni, amelyek a F\u00f6ld\u00f6n t\u00fal nehezek lenn\u00e9nek ahhoz, hogy megmozd\u00edts\u00e1k \u0151ket. De vannak h\u00e1tr\u00e1nyai is.<\/p>\n<p>A gravit\u00e1ci\u00f3 hi\u00e1ny\u00e1ban a v\u00e9r \u00e9s m\u00e1s testnedvek a fej fel\u00e9 kezdenek \u00e1ramlani. Ez fullad\u00f3 \u00e9rz\u00e9st \u00e9s fejf\u00e1j\u00e1st okozhat. Mivel nincs gravit\u00e1ci\u00f3, amely ellen k\u00fczdeni\u00fck kellene, a csontok \u00e9s az izmok meggyeng\u00fclhetnek. Ahhoz, hogy form\u00e1ban maradjanak, naponta t\u00f6bb \u00f3r\u00e1t kell edzeni\u00fck. Ez lehet\u0151v\u00e9 teszi sz\u00e1mukra, hogy gyorsabban regener\u00e1l\u00f3djanak, amikor visszat\u00e9rnek a F\u00f6ldre.<\/p>\n<p>Egy \u0171rsikl\u00f3ban vagy \u0171r\u00e1llom\u00e1son nincs \u201efent\u201d \u00e9s \u201elent\u201d. Nincs k\u00fcl\u00f6nbs\u00e9g a padl\u00f3 \u00e9s a mennyezet k\u00f6z\u00f6tt. Ez az \u0171rhaj\u00f3sokn\u00e1l h\u00e1nyingert okozhat, am\u00edg meg nem szokj\u00e1k ezt a furcsa helyzetet.<\/p>","protected":false},"excerpt":{"rendered":"<p>Our everyday lives involve such activities as sitting, walking, picking up things from the ground and lying in bed. None of these activities are possible in orbit. Once a spacecraft [&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\/2003\/03\/parabolic_flight_picture-72\/17902825-2-eng-GB\/Parabolic_Flight_picture-7.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\/2003\/03\/Parabolic_Flight_picture-72","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-906","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\/906","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=906"}],"version-history":[{"count":1,"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/posts\/906\/revisions"}],"predecessor-version":[{"id":2049,"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/posts\/906\/revisions\/2049"}],"wp:attachment":[{"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/media?parent=906"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/categories?post=906"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/tags?post=906"},{"taxonomy":"panel","embeddable":true,"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/panel?post=906"},{"taxonomy":"language","embeddable":true,"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/language?post=906"},{"taxonomy":"age","embeddable":true,"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/age?post=906"},{"taxonomy":"duration","embeddable":true,"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/duration?post=906"},{"taxonomy":"resource_type","embeddable":true,"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/resource_type?post=906"},{"taxonomy":"audience","embeddable":true,"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/audience?post=906"},{"taxonomy":"wf_post_folders","embeddable":true,"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/wf_post_folders?post=906"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}