{"id":836,"date":"2004-12-02T15:57:00","date_gmt":"2004-12-02T14:57:00","guid":{"rendered":"https:\/\/kids.esa.int\/how_does_a_rocket_work\/"},"modified":"2026-10-08T00:32:49","modified_gmt":"2026-10-07T22:32:49","slug":"how_does_a_rocket_work","status":"publish","type":"post","link":"https:\/\/kids.esa.int\/et\/how_does_a_rocket_work\/","title":{"rendered":"Kuidas t\u00f6\u00f6tab rakett?"},"content":{"rendered":"<div class=\"lede\">\n<p>Kas oled m\u00e4rganud, mis juhtub, kui lased \u00f5hku \u00f5hupallist v\u00e4lja? \u00d5hk liigub \u00fches suunas ja \u00f5hupall liigub vastassuunas. Raketid t\u00f6\u00f6tavad peaaegu samamoodi. Mootori d\u00fc\u00fcsist suure kiirusega v\u00e4ljuvad heitgaasid t\u00f5ukavad raketti edasi.<\/p>\n<\/div>\n<p>Enamik kaasaegseid kanderakette, nagu n\u00e4iteks Euroopa Ariane 5, on v\u00e4ga keerulised ja kaaluvad stardil sadu tonne. Suurema osa sellest kaalust moodustab k\u00fctus, n\u00e4iteks vedel vesinik ja vedel hapnik.<\/p>\n<p>Raketid vajavad nii palju k\u00fctust, et \u00fcletada Maa gravitatsiooni. Alles siis, kui nad saavutavad kiiruse 28 000 km\/h, liiguvad nad piisavalt kiiresti, et j\u00f5uda orbiidile.<\/p>\n<p>Enamik rakette koosneb kahest v\u00f5i kolmest astmest. Kui astme k\u00fctus on t\u00e4ielikult \u00e4ra kulutatud, eraldatakse see, et vabaneda \u00fcleliigsest kaalust. Seej\u00e4rel kukub see tagasi (tavaliselt ookeani ja kaugel asustatud aladest) v\u00f5i p\u00f5leb atmosf\u00e4\u00e4ris \u00e4ra.<\/p>\n<p>Suured kanderaketid saavad sageli lisaj\u00f5udu esimese astme k\u00fclge kinnitatud rakettidest. Need v\u00f5ivad kasutada tahket v\u00f5i vedelat k\u00fctust. Ka need visatakse tavaliselt \u00e4ra.<\/p>","protected":false},"excerpt":{"rendered":"<p>Have you noticed what happens if you let the air out of a balloon? The air goes one way and the balloon moves in the opposite direction. Rockets work in [&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\/2004\/12\/balloons2\/17894905-2-eng-GB\/balloons.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\/2004\/12\/balloons2","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":[10,41,40],"tags":[2],"panel":[],"language":[],"age":[],"duration":[],"resource_type":[],"audience":[],"wf_post_folders":[],"class_list":["post-836","post","type-post","status-publish","format-standard","hentry","category-learn","category-rockets-technology","category-technology","tag-background-article"],"jetpack_sharing_enabled":true,"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/kids.esa.int\/et\/wp-json\/wp\/v2\/posts\/836","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/kids.esa.int\/et\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/kids.esa.int\/et\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/kids.esa.int\/et\/wp-json\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/kids.esa.int\/et\/wp-json\/wp\/v2\/comments?post=836"}],"version-history":[{"count":1,"href":"https:\/\/kids.esa.int\/et\/wp-json\/wp\/v2\/posts\/836\/revisions"}],"predecessor-version":[{"id":1979,"href":"https:\/\/kids.esa.int\/et\/wp-json\/wp\/v2\/posts\/836\/revisions\/1979"}],"wp:attachment":[{"href":"https:\/\/kids.esa.int\/et\/wp-json\/wp\/v2\/media?parent=836"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/kids.esa.int\/et\/wp-json\/wp\/v2\/categories?post=836"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/kids.esa.int\/et\/wp-json\/wp\/v2\/tags?post=836"},{"taxonomy":"panel","embeddable":true,"href":"https:\/\/kids.esa.int\/et\/wp-json\/wp\/v2\/panel?post=836"},{"taxonomy":"language","embeddable":true,"href":"https:\/\/kids.esa.int\/et\/wp-json\/wp\/v2\/language?post=836"},{"taxonomy":"age","embeddable":true,"href":"https:\/\/kids.esa.int\/et\/wp-json\/wp\/v2\/age?post=836"},{"taxonomy":"duration","embeddable":true,"href":"https:\/\/kids.esa.int\/et\/wp-json\/wp\/v2\/duration?post=836"},{"taxonomy":"resource_type","embeddable":true,"href":"https:\/\/kids.esa.int\/et\/wp-json\/wp\/v2\/resource_type?post=836"},{"taxonomy":"audience","embeddable":true,"href":"https:\/\/kids.esa.int\/et\/wp-json\/wp\/v2\/audience?post=836"},{"taxonomy":"wf_post_folders","embeddable":true,"href":"https:\/\/kids.esa.int\/et\/wp-json\/wp\/v2\/wf_post_folders?post=836"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}