{"id":347135,"date":"2026-09-07T17:40:13","date_gmt":"2026-09-07T17:40:13","guid":{"rendered":"https:\/\/www.europesays.com\/no\/347135\/"},"modified":"2026-09-07T17:40:13","modified_gmt":"2026-09-07T17:40:13","slug":"astronomenes-drommedestinasjoner-her-er-de-5-mest-ekstreme-klodene-i-universet","status":"publish","type":"post","link":"https:\/\/www.europesays.com\/no\/347135\/","title":{"rendered":"Astronomenes dr\u00f8mmedestinasjoner: Her er de 5 mest ekstreme klodene i universet"},"content":{"rendered":"<p>Neptun-kopi har kanskje endret bane<\/p>\n<p>Over 800 lys\u00e5r unna ligger planeten <a href=\"https:\/\/arxiv.org\/abs\/2601.10450\" target=\"_blank\" class=\"hover:font-bold\" rel=\"nofollow noopener\">TOI-3862 b<\/a>.<\/p>\n<p>St\u00f8rrelsen og massen har f\u00e5tt astronomer til \u00e5 klassifisere den som \u00abNeptun-lignende\u00bb, men de to planetene er n\u00e6rmest diametrale motsetninger.<\/p>\n<p>Mens Neptun bruker 165 \u00e5r p\u00e5 en bane rundt stjernen, klarer denne kloden turen p\u00e5 halvannet d\u00f8gn, fordi avstanden til stjernen er s\u00e5 liten. Av samme grunn ligger temperaturen p\u00e5 rundt 1266 \u00b0C, mot \u2212218 \u00b0C p\u00e5 Neptun.<\/p>\n<p>At de ekstreme forholdene ikke har bl\u00e5st bort atmosf\u00e6ren til TOI-3862 b, er et mysterium som n\u00e6rmere studier kanskje kan oppklare.<\/p>\n<p>Har planeten endret bane? Eller har den en gang hatt enda mer atmosf\u00e6re, som n\u00e5 er borte?<\/p>\n<ul>\n<li><strong>Avstand fra jorden:<\/strong> Om lag 810 lys\u00e5r<\/li>\n<li><strong>Oml\u00f8pstid:<\/strong> 1,56 d\u00f8gn<\/li>\n<li><strong>Masse:<\/strong> Om lag 53,7 ganger tyngre enn jorden<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"Neptun-kopi har kanskje endret bane Over 800 lys\u00e5r unna ligger planeten TOI-3862 b. St\u00f8rrelsen og massen har f\u00e5tt&hellip;\n","protected":false},"author":2,"featured_media":347136,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_share_on_mastodon":"0"},"categories":[57],"tags":[30,28,29,65,63,64,66,70,69,67,68],"class_list":["post-347135","post","type-post","status-publish","format-standard","has-post-thumbnail","category-vitenskap-og-teknologi","tag-no","tag-norge","tag-norway","tag-science","tag-science-and-technology","tag-scienceandtechnology","tag-technology","tag-teknologi","tag-vitenskap","tag-vitenskap-og-teknologi","tag-vitenskapteknologi"],"share_on_mastodon":{"url":"https:\/\/pubeurope.com\/@no\/117230988620965708","error":""},"_links":{"self":[{"href":"https:\/\/www.europesays.com\/no\/wp-json\/wp\/v2\/posts\/347135","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=347135"}],"version-history":[{"count":0,"href":"https:\/\/www.europesays.com\/no\/wp-json\/wp\/v2\/posts\/347135\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/no\/wp-json\/wp\/v2\/media\/347136"}],"wp:attachment":[{"href":"https:\/\/www.europesays.com\/no\/wp-json\/wp\/v2\/media?parent=347135"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.europesays.com\/no\/wp-json\/wp\/v2\/categories?post=347135"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.europesays.com\/no\/wp-json\/wp\/v2\/tags?post=347135"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}