{"id":195,"date":"2021-12-02T12:44:42","date_gmt":"2021-12-02T11:44:42","guid":{"rendered":"https:\/\/kids.esa.int\/galaxies\/"},"modified":"2026-10-08T00:25:21","modified_gmt":"2026-10-07T22:25:21","slug":"galaxies","status":"publish","type":"post","link":"https:\/\/kids.esa.int\/nb\/galaxies\/","title":{"rendered":"Galakser"},"content":{"rendered":"<div class=\"lede\">\n<p>Nesten alle stjerner tilh\u00f8rer gigantiske grupper som kalles galakser. Solen er en av minst 100 milliarder stjerner i v\u00e5r galakse, Melkeveien. Og det finnes milliarder av galakser i universet.<\/p>\n<\/div>\n<p>Uansett hvor vi ser hen p\u00e5 himmelen, finnes det galakser i ulike former og st\u00f8rrelser. Noen er spiralgalakser, med buede armer som slynger seg rundt en lys sentralkjerne.<\/p>\n<p>Noen har en stjernebar p\u00e5 tvers av midten, med armer som strekker seg ut fra begge ender. Andre har ingen gjenkjennelig form i det hele tatt. De st\u00f8rste galaksene ser ut som sammenpressede baller. De inneholder opptil 10 millioner millioner stjerner, men har sv\u00e6rt lite gass eller st\u00f8v. Nesten alle galakser har et supermassivt svart hull i sentrum.<\/p>\n<figure class=\"wp-block-image size-natural\" data-width=\"400\" data-credit=\"Brad Whitmore (STScI), and NASA\" data-detail-url=\"https:\/\/www.esa.int\/ESA_Multimedia\/Images\/2003\/05\/When_galaxies_collide_as_shown_by_Antennae_galaxies2\" 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\/2003\/05\/when_galaxies_collide_as_shown_by_antennae_galaxies2\/17882362-2-eng-GB\/When_galaxies_collide_as_shown_by_Antennae_galaxies.jpg\" alt=\"When galaxies collide, as shown by Antennae galaxies\"><figcaption>N\u00e5r galakser kolliderer, slik Antennae-galaksene viser<\/figcaption><\/figure>\n<p>Galaksene ble til bare noen f\u00e5 hundre millioner \u00e5r etter at universet ble skapt. P\u00e5 den tiden, for rundt 13 milliarder \u00e5r siden, var galaksene sm\u00e5 og l\u00e5 mye n\u00e6rmere hverandre. Kollisjoner var vanlige. Etter hvert som galaksene kolliderte med hverandre, vokste de i st\u00f8rrelse og endret form.<\/p>\n<p>Siden den gang har universet utvidet seg. De fleste galakser beveger seg bort fra hverandre i h\u00f8y hastighet, bortsett fra i galaksehoper, der de danser rundt hverandre.<\/p>","protected":false},"excerpt":{"rendered":"<p>Nearly all stars belong to gigantic groups known as galaxies. The Sun is one of at least 100 billion stars in our galaxy, the Milky Way. And there are billions [&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\/spiral_galaxy_ngc_12322\/17874740-2-eng-GB\/Spiral_galaxy_NGC_1232.jpg","esa_banner_description":"Spiral galaxy NGC 1232","esa_banner_credit":"Spaceweek International","esa_banner_licence":"ESA Standard Licence","esa_banner_detail_url":"https:\/\/www.esa.int\/ESA_Multimedia\/Images\/2003\/04\/Spiral_galaxy_NGC_12322","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":[10,11,21],"tags":[2],"panel":[],"language":[],"age":[],"duration":[],"resource_type":[],"audience":[],"wf_post_folders":[],"class_list":["post-195","post","type-post","status-publish","format-standard","hentry","category-learn","category-our-universe","category-stars-and-galaxies","tag-background-article"],"jetpack_sharing_enabled":true,"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/kids.esa.int\/nb\/wp-json\/wp\/v2\/posts\/195","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=195"}],"version-history":[{"count":4,"href":"https:\/\/kids.esa.int\/nb\/wp-json\/wp\/v2\/posts\/195\/revisions"}],"predecessor-version":[{"id":4351,"href":"https:\/\/kids.esa.int\/nb\/wp-json\/wp\/v2\/posts\/195\/revisions\/4351"}],"wp:attachment":[{"href":"https:\/\/kids.esa.int\/nb\/wp-json\/wp\/v2\/media?parent=195"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/kids.esa.int\/nb\/wp-json\/wp\/v2\/categories?post=195"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/kids.esa.int\/nb\/wp-json\/wp\/v2\/tags?post=195"},{"taxonomy":"panel","embeddable":true,"href":"https:\/\/kids.esa.int\/nb\/wp-json\/wp\/v2\/panel?post=195"},{"taxonomy":"language","embeddable":true,"href":"https:\/\/kids.esa.int\/nb\/wp-json\/wp\/v2\/language?post=195"},{"taxonomy":"age","embeddable":true,"href":"https:\/\/kids.esa.int\/nb\/wp-json\/wp\/v2\/age?post=195"},{"taxonomy":"duration","embeddable":true,"href":"https:\/\/kids.esa.int\/nb\/wp-json\/wp\/v2\/duration?post=195"},{"taxonomy":"resource_type","embeddable":true,"href":"https:\/\/kids.esa.int\/nb\/wp-json\/wp\/v2\/resource_type?post=195"},{"taxonomy":"audience","embeddable":true,"href":"https:\/\/kids.esa.int\/nb\/wp-json\/wp\/v2\/audience?post=195"},{"taxonomy":"wf_post_folders","embeddable":true,"href":"https:\/\/kids.esa.int\/nb\/wp-json\/wp\/v2\/wf_post_folders?post=195"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}