{"id":508,"date":"2016-02-08T09:21:00","date_gmt":"2016-02-08T08:21:00","guid":{"rendered":"https:\/\/kids.esa.int\/sentinel-3_getting_ready_to_watch_over_earth\/"},"modified":"2026-10-08T00:29:01","modified_gmt":"2026-10-07T22:29:01","slug":"sentinel-3_getting_ready_to_watch_over_earth","status":"publish","type":"post","link":"https:\/\/kids.esa.int\/sv\/sentinel-3_getting_ready_to_watch_over_earth\/","title":{"rendered":"Sentinel-3 g\u00f6r sig redo att \u00f6vervaka jorden"},"content":{"rendered":"<div class=\"lede\">\n<p>Den 16 februari kommer en ESA-satellit vid namn Sentinel-3 att skjutas upp i omloppsbana runt jorden! Sentinel-3 \u00e4r den senaste i en flotta av avancerade satelliter vars uppdrag \u00e4r att studera v\u00e5r planets land, hav och atmosf\u00e4r.<\/p>\n<\/div>\n<p>Sentinel-3 kommer att inrikta sig p\u00e5 v\u00e5ra hav. Eftersom haven t\u00e4cker 70% av jordklotet \u00e4r \u00f6vervakningen av dem ett s\u00e4tt f\u00f6r oss att kontrollera hur frisk jorden \u00e4r. Det som h\u00e4nder i haven p\u00e5verkar oss oavsett var vi bor. Vattnet p\u00e5 v\u00e5r planet \u00e4r en viktig resurs som vi m\u00e5ste skydda.<\/p>\n<figure class=\"wp-block-image size-large\" data-width=\"1280\" data-credit=\"ESA\u2013Pierre Carril\" data-detail-url=\"https:\/\/www.esa.int\/ESA_Multimedia\/Images\/2016\/02\/Sentinel-3\" data-licence=\"ESA Standard Licence\" data-licence-url=\"https:\/\/www.esa.int\/ESA_Multimedia\/Terms_and_conditions_of_use_of_images_and_videos_available_on_the_esa_website\"><img decoding=\"async\" loading=\"lazy\" style=\"max-width:100%;height:auto\" src=\"https:\/\/www.esa.int\/var\/esa\/storage\/images\/esa_multimedia\/images\/2016\/02\/sentinel-3\/17887876-2-eng-GB\/Sentinel-3.jpg\" alt=\"Sentinel-3\"><figcaption>Sentinel-3<\/figcaption><\/figure>\n<p>Sentinel-3 kommer att kretsa p\u00e5 en h\u00f6jd av \u00f6ver 800 km \u00f6ver jordytan \u2013 det \u00e4r \u00e4nnu l\u00e4ngre bort fr\u00e5n jorden \u00e4n den internationella rymdstationen, som kretsar kring v\u00e5r planet p\u00e5 cirka 400 km. Fr\u00e5n denna utsiktspunkt kommer satelliten att m\u00e4ta temperaturen, f\u00e4rgen och h\u00f6jden p\u00e5 havsytan, samt tjockleken p\u00e5 havsisen. Dessa m\u00e4tningar \u00e4r mycket viktiga eftersom vi kan anv\u00e4nda dem f\u00f6r att f\u00f6lja hur havsniv\u00e5n f\u00f6r\u00e4ndras, hur mycket f\u00f6roreningar som finns och hur friskt det marina livet \u00e4r.<\/p>\n<p>N\u00e4r Sentinel-3 inte \u00f6vervakar havet kommer den att bist\u00e5 sin systersatellit Sentinel-2 genom att \u00f6vervaka jordens landytor. Den kommer att m\u00e4ta vattenniv\u00e5erna i sj\u00f6ar och floder och till och med sp\u00e5ra farliga skogsbr\u00e4nder.<\/p>\n<p>Det finns redan tv\u00e5 Sentinel-satelliter i omloppsbana, och ytterligare fyra \u00e4r planerade efter Sentinel-3. Varje satellit kommer att vara i drift i minst sju \u00e5r. Forskarna bakom projektet hoppas dock att de ska fungera \u00e4nnu l\u00e4ngre och har d\u00e4rf\u00f6r fyllt p\u00e5 med tillr\u00e4ckligt med br\u00e4nsle f\u00f6r att satelliterna ska kunna h\u00e5lla ig\u00e5ng i 12 \u00e5r med oavbruten drift!<\/p>\n<p><b>Rolig fakta:<\/b> Raketen som ska f\u00f6ra Sentinel-3 i omloppsbana \u00e4r en modifierad interkontinental ballistisk missil av typen SS-19. Den konstruerades ursprungligen som ett krigsvapen, men har omvandlats till fredliga \u00e4ndam\u00e5l. Detta passar mycket bra med tanke p\u00e5 Sentinel-3:s uppdrag att skydda jorden!<\/p>","protected":false},"excerpt":{"rendered":"<p>On 16 February an ESA satellite called Sentinel-3 will blast up into orbit around Earth! Sentinel-3 is the latest in a fleet of advanced satellites whose mission is to study [&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\/2016\/02\/mapping_growth\/17911417-2-eng-GB\/Mapping_growth.jpg","esa_banner_description":"Sentinel-3 will monitor Earth\u2019s oceans and create maps to show how healthy sea life is","esa_banner_credit":"ACRI-ST\/CNES\/ESA\/GeoEye\/NASA\/VITO","esa_banner_licence":"ESA Standard Licence","esa_banner_detail_url":"https:\/\/www.esa.int\/ESA_Multimedia\/Images\/2016\/02\/Mapping_growth","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":[26],"tags":[],"panel":[],"language":[],"age":[],"duration":[],"resource_type":[],"audience":[],"wf_post_folders":[],"class_list":["post-508","post","type-post","status-publish","format-standard","hentry","category-news"],"jetpack_sharing_enabled":true,"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/kids.esa.int\/sv\/wp-json\/wp\/v2\/posts\/508","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/kids.esa.int\/sv\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/kids.esa.int\/sv\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/kids.esa.int\/sv\/wp-json\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/kids.esa.int\/sv\/wp-json\/wp\/v2\/comments?post=508"}],"version-history":[{"count":4,"href":"https:\/\/kids.esa.int\/sv\/wp-json\/wp\/v2\/posts\/508\/revisions"}],"predecessor-version":[{"id":4520,"href":"https:\/\/kids.esa.int\/sv\/wp-json\/wp\/v2\/posts\/508\/revisions\/4520"}],"wp:attachment":[{"href":"https:\/\/kids.esa.int\/sv\/wp-json\/wp\/v2\/media?parent=508"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/kids.esa.int\/sv\/wp-json\/wp\/v2\/categories?post=508"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/kids.esa.int\/sv\/wp-json\/wp\/v2\/tags?post=508"},{"taxonomy":"panel","embeddable":true,"href":"https:\/\/kids.esa.int\/sv\/wp-json\/wp\/v2\/panel?post=508"},{"taxonomy":"language","embeddable":true,"href":"https:\/\/kids.esa.int\/sv\/wp-json\/wp\/v2\/language?post=508"},{"taxonomy":"age","embeddable":true,"href":"https:\/\/kids.esa.int\/sv\/wp-json\/wp\/v2\/age?post=508"},{"taxonomy":"duration","embeddable":true,"href":"https:\/\/kids.esa.int\/sv\/wp-json\/wp\/v2\/duration?post=508"},{"taxonomy":"resource_type","embeddable":true,"href":"https:\/\/kids.esa.int\/sv\/wp-json\/wp\/v2\/resource_type?post=508"},{"taxonomy":"audience","embeddable":true,"href":"https:\/\/kids.esa.int\/sv\/wp-json\/wp\/v2\/audience?post=508"},{"taxonomy":"wf_post_folders","embeddable":true,"href":"https:\/\/kids.esa.int\/sv\/wp-json\/wp\/v2\/wf_post_folders?post=508"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}