{"id":837,"date":"2004-12-02T15:55:00","date_gmt":"2004-12-02T14:55:00","guid":{"rendered":"https:\/\/kids.esa.int\/the_first_rockets\/"},"modified":"2026-10-08T00:32:50","modified_gmt":"2026-10-07T22:32:50","slug":"the_first_rockets","status":"publish","type":"post","link":"https:\/\/kids.esa.int\/nb\/the_first_rockets\/","title":{"rendered":"De f\u00f8rste rakettene"},"content":{"rendered":"<div class=\"lede\">\n<p>Alt p\u00e5 jorden \u2013 inkludert oss \u2013 holdes p\u00e5 plass av tyngdekraften. Uten tyngdekraften ville vi alle sveve ut i verdensrommet. Det sies at Isaac Newton oppdaget tyngdekraften da et eple falt ned p\u00e5 hodet hans.<\/p>\n<\/div>\n<p>For \u00e5 n\u00e5 verdensrommet bruker vi en rakettdrevet b\u00e6rerakett for \u00e5 overvinne jordens tyngdekraft. Fra tid til annen har det blitt fremmet andre ideer. I 1865 foreslo science fiction-forfatteren Jules Verne \u00e5 bruke en kraftig kanon for \u00e5 sende mennesker til m\u00e5nen. Mer nylig har forskere unders\u00f8kt muligheten for \u00e5 bruke kraftige magneter til \u00e5 sende et romfart\u00f8y i bane rundt jorden.<\/p>\n<p>Raketter har eksistert i lang tid. De ble oppfunnet i Kina for mer enn 800 \u00e5r siden. De f\u00f8rste rakettene var sv\u00e6rt enkle \u2013 et pappr\u00f8r fylt med krutt og festet til en styrestang \u2013 omtrent som fyrverkeriet vi bruker i dag.<\/p>\n<p>I 1232 brukte kineserne disse \u2018ildpilene\u2019 til \u00e5 beseire den invaderende mongolske h\u00e6ren. Kunnskapen om hvordan man laget raketter spredte seg snart til Midt\u00f8sten og Europa, hvor de ogs\u00e5 ble brukt som v\u00e5pen. Senere ble de ogs\u00e5 popul\u00e6re i forbindelse med spektakul\u00e6re fyrverkerishow.<\/p>","protected":false},"excerpt":{"rendered":"<p>Everything on Earth \u2013 including us \u2013 is held down by the force of gravity. Without gravity, we would all float off into space. It is said that Isaac Newton [&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\/rockets_fireworks_cartoon2\/17907457-2-eng-GB\/Rockets_fireworks_cartoon.gif","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\/Rockets_fireworks_cartoon2","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-837","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\/nb\/wp-json\/wp\/v2\/posts\/837","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/kids.esa.int\/nb\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/kids.esa.int\/nb\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/kids.esa.int\/nb\/wp-json\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/kids.esa.int\/nb\/wp-json\/wp\/v2\/comments?post=837"}],"version-history":[{"count":1,"href":"https:\/\/kids.esa.int\/nb\/wp-json\/wp\/v2\/posts\/837\/revisions"}],"predecessor-version":[{"id":1980,"href":"https:\/\/kids.esa.int\/nb\/wp-json\/wp\/v2\/posts\/837\/revisions\/1980"}],"wp:attachment":[{"href":"https:\/\/kids.esa.int\/nb\/wp-json\/wp\/v2\/media?parent=837"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/kids.esa.int\/nb\/wp-json\/wp\/v2\/categories?post=837"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/kids.esa.int\/nb\/wp-json\/wp\/v2\/tags?post=837"},{"taxonomy":"panel","embeddable":true,"href":"https:\/\/kids.esa.int\/nb\/wp-json\/wp\/v2\/panel?post=837"},{"taxonomy":"language","embeddable":true,"href":"https:\/\/kids.esa.int\/nb\/wp-json\/wp\/v2\/language?post=837"},{"taxonomy":"age","embeddable":true,"href":"https:\/\/kids.esa.int\/nb\/wp-json\/wp\/v2\/age?post=837"},{"taxonomy":"duration","embeddable":true,"href":"https:\/\/kids.esa.int\/nb\/wp-json\/wp\/v2\/duration?post=837"},{"taxonomy":"resource_type","embeddable":true,"href":"https:\/\/kids.esa.int\/nb\/wp-json\/wp\/v2\/resource_type?post=837"},{"taxonomy":"audience","embeddable":true,"href":"https:\/\/kids.esa.int\/nb\/wp-json\/wp\/v2\/audience?post=837"},{"taxonomy":"wf_post_folders","embeddable":true,"href":"https:\/\/kids.esa.int\/nb\/wp-json\/wp\/v2\/wf_post_folders?post=837"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}