{"id":676,"date":"2013-04-24T07:12:00","date_gmt":"2013-04-24T05:12:00","guid":{"rendered":"https:\/\/kids.esa.int\/herschel_solves_mystery_of_jupiter_s_water\/"},"modified":"2026-10-08T00:31:02","modified_gmt":"2026-10-07T22:31:02","slug":"herschel_solves_mystery_of_jupiter_s_water","status":"publish","type":"post","link":"https:\/\/kids.esa.int\/sv\/herschel_solves_mystery_of_jupiter_s_water\/","title":{"rendered":"Herschel l\u00f6ser mysteriet kring vattnet p\u00e5 Jupiter"},"content":{"rendered":"<p>Jupiter, solsystemets st\u00f6rsta planet, best\u00e5r till st\u00f6rsta delen av gaserna v\u00e4te och helium. Man har uppt\u00e4ckt sm\u00e5 m\u00e4ngder vatten i dess \u00f6vre atmosf\u00e4r, men hittills har ingen vetat s\u00e4kert varifr\u00e5n detta vatten kom. Svaret p\u00e5 detta l\u00e5ngvariga mysterium har givits av ESA:s rymdobservatorium Herschel, det mest k\u00e4nsliga infrar\u00f6da teleskopet som n\u00e5gonsin skickats upp. Herschel har funnit \u00f6vertygande bevis f\u00f6r att vattnet kom till planeten genom flera kometnedslag i juli 1994!<\/p>\n<p>Kollisioner med inkommande rymdskrot utg\u00f6r ett st\u00e4ndigt hot mot planeterna i solsystemet, d\u00e4ribland jorden. Det \u00e4r dock f\u00e5 nedslag som faktiskt har observerats av forskare. Den f\u00f6rsta direkta observationen av en s\u00e5dan h\u00e4ndelse \u00e4gde rum vid Jupiter f\u00f6r 19 \u00e5r sedan. Astronomerna s\u00e5g f\u00f6rv\u00e5nade p\u00e5 n\u00e4r 21 fragment av kometen Shoemaker-Levy 9 st\u00f6rtade in i planetens \u00f6vre atmosf\u00e4r och exploderade.<\/p>\n<figure class=\"wp-block-image size-large\" data-width=\"1765\" data-credit=\"Water map: ESA\/Herschel\/T. Cavali\u00e9 et al.; Jupiter image: NASA\/ESA\/Reta Beebe (New Mexico State University)\" data-detail-url=\"https:\/\/www.esa.int\/ESA_Multimedia\/Images\/2013\/04\/Water_in_Jupiter_s_atmosphere2\" 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\/2013\/04\/water_in_jupiter_s_atmosphere2\/17899570-2-eng-GB\/Water_in_Jupiter_s_atmosphere.jpg\" alt=\"Water in Jupiter&#x27;s atmosphere\"><figcaption>Vatten i Jupiters atmosf\u00e4r<\/figcaption><\/figure>\n<p>ESA:s infrar\u00f6da rymdobservatorium, som sk\u00f6ts upp 1995, var det f\u00f6rsta som uppt\u00e4ckte och studerade vatten i Jupiters \u00f6vre atmosf\u00e4r. Forskarna kunde utesluta en inre k\u00e4lla, till exempel vatten som steg upp fr\u00e5n djupet. Men om vattnet kom fr\u00e5n utsidan, varifr\u00e5n kom det d\u00e5?<\/p>\n<p>Det har l\u00e4nge spekulerats i att kometen Shoemaker-Levy 9 kan ha varit k\u00e4llan till detta vatten, men direkta bevis saknades. Nu har Herschels k\u00e4nsliga infrar\u00f6da \u00f6gon l\u00f6st mysteriet. Rymdobservatoriet har uppt\u00e4ckt 2\u20133 g\u00e5nger mer vatten p\u00e5 Jupiters s\u00f6dra halvklot \u00e4n p\u00e5 det norra. Sp\u00e5ren av vatten finns endast p\u00e5 stora h\u00f6jder och det mesta \u00e4r koncentrerat kring platserna d\u00e4r kometnedslagen intr\u00e4ffade 1994.<\/p>\n<p>\u00c4nnu mer detaljerade observationer av de gaser som utg\u00f6r Jupiters enorma atmosf\u00e4r kommer att g\u00f6ras av ESA:s JUICE-uppdrag, som enligt planerna ska skickas iv\u00e4g mot den gigantiska planeten \u00e5r 2022.<\/p>","protected":false},"excerpt":{"rendered":"<p>Jupiter, the largest planet in the Solar System, is mostly made of the gases hydrogen and helium. Tiny amounts of water have been found in its upper atmosphere, but, until [&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\/2013\/04\/shoemaker-levy_9_impact_site_g\/17905016-2-eng-GB\/Shoemaker-Levy_9_impact_site_G.jpg","esa_banner_description":"Shoemaker-Levy 9 impact site G","esa_banner_credit":"R. Evans, J. Trauger, H. 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