{"id":1101,"date":"2005-12-09T13:07:00","date_gmt":"2005-12-09T12:07:00","guid":{"rendered":"https:\/\/kids.esa.int\/moons_and_rings\/"},"modified":"2026-10-08T00:36:01","modified_gmt":"2026-10-07T22:36:01","slug":"moons_and_rings","status":"publish","type":"post","link":"https:\/\/kids.esa.int\/nb\/moons_and_rings\/","title":{"rendered":"M\u00e5ner og ringer"},"content":{"rendered":"<div class=\"lede\">\n<p>Alle planetene kretser rundt Solen mot klokken \u2013 sett ovenfra fra Jordens nordpol. Deres \u00e5r \u2013 tiden det tar dem \u00e5 fullf\u00f8re \u00e9n bane \u2013 varierer avhengig av avstanden til Solen. Et \u00e5r p\u00e5 Merkur varer bare 88 jorddager, s\u00e5 en person f\u00f8dt der ville ha fire ganger s\u00e5 mange bursdager som vi har p\u00e5 Jorden. Derimot tilsvarer et \u00e5r p\u00e5 Pluto 248 av v\u00e5re \u00e5r. En person f\u00f8dt p\u00e5 Pluto ville aldri feire bursdag!<\/p>\n<\/div>\n<p>Venus og Merkur har ingen naturlige m\u00e5ner, men de syv andre planetene har alle m\u00e5ner som kretser rundt dem. Det totale antallet som hittil er registrert, er 138. De fleste av m\u00e5ner er sv\u00e6rt sm\u00e5 og vanskelige \u00e5 se, selv med store teleskoper. For \u00f8yeblikket er Jupiter rekordholderen, med 63 kjente m\u00e5ner. Blant disse er fire m\u00e5ner p\u00e5 st\u00f8rrelse med planeter \u2013 Ganymedes (den st\u00f8rste m\u00e5nen i solsystemet), Callisto, Europa og Io.<\/p>\n<p>Den sterke tyngdekraften til de andre gassgigantene har ogs\u00e5 tiltrukket seg et stort antall m\u00e5ner: Saturn har 31, Uranus 27 og Neptun 13. B\u00e5de Jorden og Pluto har \u00e9n stor m\u00e5ne i bane rundt seg.<\/p>\n<p>De fire st\u00f8rste planetene \u2013 Jupiter, Saturn, Uranus og Neptun \u2013 har ogs\u00e5 ringer. De best\u00e5r av is- og steinbiter som varierer i st\u00f8rrelse fra fjell til sigarettr\u00f8yk. Ringene kan v\u00e6re rester etter en m\u00e5ne som gikk i stykker, eller biter som har blitt sl\u00e5tt av n\u00e6rliggende m\u00e5ner.<\/p>","protected":false},"excerpt":{"rendered":"<p>All of the planets travel around the Sun in a counter-clockwise direction \u2013 as seen from above Earth\u2019s north pole. Their year &#8211; the time they take to complete one [&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\/2005\/04\/jupiter_s_moon_europa2\/17905460-2-eng-GB\/Jupiter_s_moon_Europa.jpg","esa_banner_description":"Jupiter's moon, Europa","esa_banner_credit":"NASA\/DLR","esa_banner_licence":"ESA Standard Licence","esa_banner_detail_url":"https:\/\/www.esa.int\/ESA_Multimedia\/Images\/2005\/04\/Jupiter_s_moon_Europa2","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-1101","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\/nb\/wp-json\/wp\/v2\/posts\/1101","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=1101"}],"version-history":[{"count":1,"href":"https:\/\/kids.esa.int\/nb\/wp-json\/wp\/v2\/posts\/1101\/revisions"}],"predecessor-version":[{"id":2244,"href":"https:\/\/kids.esa.int\/nb\/wp-json\/wp\/v2\/posts\/1101\/revisions\/2244"}],"wp:attachment":[{"href":"https:\/\/kids.esa.int\/nb\/wp-json\/wp\/v2\/media?parent=1101"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/kids.esa.int\/nb\/wp-json\/wp\/v2\/categories?post=1101"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/kids.esa.int\/nb\/wp-json\/wp\/v2\/tags?post=1101"},{"taxonomy":"panel","embeddable":true,"href":"https:\/\/kids.esa.int\/nb\/wp-json\/wp\/v2\/panel?post=1101"},{"taxonomy":"language","embeddable":true,"href":"https:\/\/kids.esa.int\/nb\/wp-json\/wp\/v2\/language?post=1101"},{"taxonomy":"age","embeddable":true,"href":"https:\/\/kids.esa.int\/nb\/wp-json\/wp\/v2\/age?post=1101"},{"taxonomy":"duration","embeddable":true,"href":"https:\/\/kids.esa.int\/nb\/wp-json\/wp\/v2\/duration?post=1101"},{"taxonomy":"resource_type","embeddable":true,"href":"https:\/\/kids.esa.int\/nb\/wp-json\/wp\/v2\/resource_type?post=1101"},{"taxonomy":"audience","embeddable":true,"href":"https:\/\/kids.esa.int\/nb\/wp-json\/wp\/v2\/audience?post=1101"},{"taxonomy":"wf_post_folders","embeddable":true,"href":"https:\/\/kids.esa.int\/nb\/wp-json\/wp\/v2\/wf_post_folders?post=1101"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}