{"id":31688,"date":"2025-09-10T13:32:36","date_gmt":"2025-09-10T13:32:36","guid":{"rendered":"https:\/\/www.europesays.com\/no\/31688\/"},"modified":"2025-09-10T13:32:36","modified_gmt":"2025-09-10T13:32:36","slug":"hvorfor-er-ikke-pluto-en-planet","status":"publish","type":"post","link":"https:\/\/www.europesays.com\/no\/31688\/","title":{"rendered":"Hvorfor er ikke Pluto en planet?"},"content":{"rendered":"<p>I dag er det tre kriterier en klode i v\u00e5rt solsystem m\u00e5 oppfylle for \u00e5 v\u00e6re en planet: Den m\u00e5 g\u00e5 i bane rundt solen, den m\u00e5 v\u00e6re noenlunde kulerund, og den m\u00e5 v\u00e6re stor nok til at dens <a href=\"https:\/\/illvit.no\/fysikk\/hva-er-gravitasjon\" class=\"hover:font-bold\" rel=\"nofollow noopener\" target=\"_blank\">tyngdekraft<\/a> har ryddet banen for mindre objekter som asteroider og kometer.<\/p>\n<p>To av tre er ikke nok<\/p>\n<p>Pluto oppfyller bare de to f\u00f8rste kriteriene, og derfor ble den degradert fra planet til <a href=\"https:\/\/science.nasa.gov\/dwarf-planets\/#:~:text=So%20far%2C%20the%20IAU%20has,hundred%20%E2%80%93%20waiting%20to%20be%20discovered\" hash=\"#:~:text=So%20far%2C%20the%20IAU%20has,hundred%20%E2%80%93%20waiting%20to%20be%20discovered\" target=\"_blank\" class=\"hover:font-bold\" rel=\"nofollow noopener\">dvergplanet<\/a>, sammen med blant andre Ceres, Humea, Makemake og Eris.<\/p>\n<p>Solsystemet har derfor bare \u00e5tte planeter i dag: Merkur, Venus, Jorden, Mars, Jupiter, Saturn, Uranus og <a href=\"https:\/\/illvit.no\/universet\/solsystemet\/neptun-stormfull-isgigant\" class=\"hover:font-bold\" rel=\"nofollow noopener\" target=\"_blank\">Neptun<\/a>.<\/p>\n<p>Noen astronomer er imidlertid uenige i kriteriene og mener at Pluto b\u00f8r f\u00e5 tilbake sin planetstatus.<\/p>\n","protected":false},"excerpt":{"rendered":"I dag er det tre kriterier en klode i v\u00e5rt solsystem m\u00e5 oppfylle for \u00e5 v\u00e6re en planet:&hellip;\n","protected":false},"author":2,"featured_media":31689,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[57],"tags":[30,28,29,65,63,64,66,70,69,67,68],"class_list":{"0":"post-31688","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-vitenskap-og-teknologi","8":"tag-no","9":"tag-norge","10":"tag-norway","11":"tag-science","12":"tag-science-and-technology","13":"tag-scienceandtechnology","14":"tag-technology","15":"tag-teknologi","16":"tag-vitenskap","17":"tag-vitenskap-og-teknologi","18":"tag-vitenskapteknologi"},"share_on_mastodon":{"url":"","error":""},"_links":{"self":[{"href":"https:\/\/www.europesays.com\/no\/wp-json\/wp\/v2\/posts\/31688","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.europesays.com\/no\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.europesays.com\/no\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/no\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/no\/wp-json\/wp\/v2\/comments?post=31688"}],"version-history":[{"count":0,"href":"https:\/\/www.europesays.com\/no\/wp-json\/wp\/v2\/posts\/31688\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/no\/wp-json\/wp\/v2\/media\/31689"}],"wp:attachment":[{"href":"https:\/\/www.europesays.com\/no\/wp-json\/wp\/v2\/media?parent=31688"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.europesays.com\/no\/wp-json\/wp\/v2\/categories?post=31688"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.europesays.com\/no\/wp-json\/wp\/v2\/tags?post=31688"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}