{"id":1128,"date":"2004-11-15T16:10:00","date_gmt":"2004-11-15T15:10:00","guid":{"rendered":"https:\/\/kids.esa.int\/planet_earth_-_a_water_world\/"},"modified":"2026-10-08T00:36:19","modified_gmt":"2026-10-07T22:36:19","slug":"planet_earth_-_a_water_world","status":"publish","type":"post","link":"https:\/\/kids.esa.int\/da\/planet_earth_-_a_water_world\/","title":{"rendered":"Planeten Jorden \u2013 en vandverden"},"content":{"rendered":"<div class=\"lede\">\n<p>Jorden er helt anderledes end alle andre planeter, vi hidtil har observeret. Det er den eneste planet, vi kender til, der har store omr\u00e5der med overfladevand og meget ilt i atmosf\u00e6ren. Det er ogs\u00e5 den eneste planet, vi kender til, hvor der findes liv. Det g\u00f8r den til noget helt s\u00e6rligt.<\/p>\n<\/div>\n<p>Set fra et rumfart\u00f8j eller fra M\u00e5nen fremst\u00e5r Jorden som en bl\u00e5 planet \u2013 en oase i rummet. Det skyldes, at omkring syv tiendedele af dens overflade er d\u00e6kket af hav. N\u00e5r vandet opvarmes af Solen, omdannes det til en gas (kaldet vanddamp). N\u00e5r denne gas afk\u00f8les, bliver den igen til vanddr\u00e5ber, der danner skyer og regn.<\/p>\n<p>Dette vandkredsl\u00f8b er muligt, fordi Jorden ligger 150 millioner km fra Solen, i solsystemets \u2018Goldilocks-zone\u2019. Som den tredje planet regnet fra Solen er Jorden hverken for varm eller for kold til, at der kan findes hav. Temperaturen er ogs\u00e5 lige tilpas for liv. Og s\u00e5dan har det v\u00e6ret i milliarder af \u00e5r.<\/p>","protected":false},"excerpt":{"rendered":"<p>Earth is like no other planet that we have yet observed. It is the only world we know that has large areas of surface water and a lot of oxygen [&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\/04\/earth_view_32\/17883695-2-eng-GB\/Earth_view_3.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\/04\/Earth_view_32","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":[10,11,12],"tags":[2],"panel":[],"language":[],"age":[],"duration":[],"resource_type":[],"audience":[],"wf_post_folders":[],"class_list":["post-1128","post","type-post","status-publish","format-standard","hentry","category-learn","category-our-universe","category-planets-and-moons","tag-background-article"],"jetpack_sharing_enabled":true,"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/kids.esa.int\/da\/wp-json\/wp\/v2\/posts\/1128","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/kids.esa.int\/da\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/kids.esa.int\/da\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/kids.esa.int\/da\/wp-json\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/kids.esa.int\/da\/wp-json\/wp\/v2\/comments?post=1128"}],"version-history":[{"count":1,"href":"https:\/\/kids.esa.int\/da\/wp-json\/wp\/v2\/posts\/1128\/revisions"}],"predecessor-version":[{"id":2271,"href":"https:\/\/kids.esa.int\/da\/wp-json\/wp\/v2\/posts\/1128\/revisions\/2271"}],"wp:attachment":[{"href":"https:\/\/kids.esa.int\/da\/wp-json\/wp\/v2\/media?parent=1128"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/kids.esa.int\/da\/wp-json\/wp\/v2\/categories?post=1128"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/kids.esa.int\/da\/wp-json\/wp\/v2\/tags?post=1128"},{"taxonomy":"panel","embeddable":true,"href":"https:\/\/kids.esa.int\/da\/wp-json\/wp\/v2\/panel?post=1128"},{"taxonomy":"language","embeddable":true,"href":"https:\/\/kids.esa.int\/da\/wp-json\/wp\/v2\/language?post=1128"},{"taxonomy":"age","embeddable":true,"href":"https:\/\/kids.esa.int\/da\/wp-json\/wp\/v2\/age?post=1128"},{"taxonomy":"duration","embeddable":true,"href":"https:\/\/kids.esa.int\/da\/wp-json\/wp\/v2\/duration?post=1128"},{"taxonomy":"resource_type","embeddable":true,"href":"https:\/\/kids.esa.int\/da\/wp-json\/wp\/v2\/resource_type?post=1128"},{"taxonomy":"audience","embeddable":true,"href":"https:\/\/kids.esa.int\/da\/wp-json\/wp\/v2\/audience?post=1128"},{"taxonomy":"wf_post_folders","embeddable":true,"href":"https:\/\/kids.esa.int\/da\/wp-json\/wp\/v2\/wf_post_folders?post=1128"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}