{"id":119361,"date":"2025-12-29T08:16:11","date_gmt":"2025-12-29T08:16:11","guid":{"rendered":"https:\/\/www.europesays.com\/se\/119361\/"},"modified":"2025-12-29T08:16:11","modified_gmt":"2025-12-29T08:16:11","slug":"mork-energi-forbryllar-annu-mer-kan-leda-till-universums-slut","status":"publish","type":"post","link":"https:\/\/www.europesays.com\/se\/119361\/","title":{"rendered":"M\u00f6rk energi f\u00f6rbryllar \u00e4nnu mer \u2013 kan leda till universums slut"},"content":{"rendered":"<p>Under mer \u00e4n tv\u00e5 decennier har m\u00f6rk energi setts som den kraft som driver universums accelererande expansion. <\/p>\n<p>Nu pekar nya observationer p\u00e5 att denna grundpelare i modern kosmologi kan vara betydligt mer instabil \u00e4n tidigare antagits. <\/p>\n<p>Om tolkningen st\u00e4mmer kan universum i framtiden sluta i en dramatisk sammandragning snarare \u00e4n evig expansion. Det skriver <a href=\"https:\/\/www.bbc.com\/news\/articles\/c17xe5kl78vo\" rel=\"nofollow noopener\" target=\"_blank\">BBC<\/a>.<\/p>\n<p>Observationer som bryter mot etablerad teori<\/p>\n<p>Den senaste debatten tog fart efter ov\u00e4ntade resultat fr\u00e5n Dark Energy Spectroscopic Instrument som kartl\u00e4gger miljontals galaxer med extrem precision. <\/p>\n<p>Data antydde att expansionstakten inte varit konstant \u00f6ver tid. <\/p>\n<p>En s\u00e5dan variation strider mot den r\u00e5dande modellen d\u00e4r m\u00f6rk energi betraktas som of\u00f6r\u00e4nderlig.<\/p>\n<p>En sydkoreansk forskargrupp vid Yonsei University har d\u00e4refter analyserat supernovadata p\u00e5 nytt med justering f\u00f6r v\u00e4rdgalaxernas \u00e5lder. <\/p>\n<p>Resultatet pekar mot att expansionen inte bara f\u00f6r\u00e4ndras utan ocks\u00e5 bromsar in. <\/p>\n<p>Enligt studien kan gravitationen i ett senare skede \u00e5terta kontrollen och dra galaxerna mot varandra i ett scenario som kallas Big Crunch.<\/p>\n<p>\u201cThe fate of the Universe will change,\u201d s\u00e4ger professor <strong>Young Wook Lee<\/strong> till BBC News.<\/p>\n<p><strong>L\u00e4s mer: <\/strong><a href=\"https:\/\/www.realtid.se\/bors-finans\/affarsman-vill-tjana-pengar-pa-rymden-kritiker-varnar\/\" rel=\"nofollow noopener\" target=\"_blank\">Aff\u00e4rsm\u00e4n vill tj\u00e4na pengar p\u00e5 rymden \u2013 kritiker varnar \u2013 Realtid<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"Under mer \u00e4n tv\u00e5 decennier har m\u00f6rk energi setts som den kraft som driver universums accelererande expansion. Nu&hellip;\n","protected":false},"author":2,"featured_media":119362,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[66],"tags":[2145,370,80,78,79,34,31,33,32,30,81,84,2212,83,82],"class_list":{"0":"post-119361","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-vetenskap-och-teknik","8":"tag-energi","9":"tag-rymden","10":"tag-science","11":"tag-science-and-technology","12":"tag-scienceandtechnology","13":"tag-se","14":"tag-svenska","15":"tag-sverige","16":"tag-sweden","17":"tag-swedish","18":"tag-technology","19":"tag-teknik","20":"tag-universum","21":"tag-vetenskap","22":"tag-vetenskapteknik"},"share_on_mastodon":{"url":"https:\/\/pubeurope.com\/@se\/115801868542038474","error":""},"_links":{"self":[{"href":"https:\/\/www.europesays.com\/se\/wp-json\/wp\/v2\/posts\/119361","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.europesays.com\/se\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.europesays.com\/se\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/se\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/se\/wp-json\/wp\/v2\/comments?post=119361"}],"version-history":[{"count":0,"href":"https:\/\/www.europesays.com\/se\/wp-json\/wp\/v2\/posts\/119361\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/se\/wp-json\/wp\/v2\/media\/119362"}],"wp:attachment":[{"href":"https:\/\/www.europesays.com\/se\/wp-json\/wp\/v2\/media?parent=119361"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.europesays.com\/se\/wp-json\/wp\/v2\/categories?post=119361"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.europesays.com\/se\/wp-json\/wp\/v2\/tags?post=119361"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}