{"id":93399,"date":"2025-11-30T08:49:08","date_gmt":"2025-11-30T08:49:08","guid":{"rendered":"https:\/\/www.europesays.com\/se\/93399\/"},"modified":"2025-11-30T08:49:08","modified_gmt":"2025-11-30T08:49:08","slug":"vi-kan-ha-sett-mork-materia-for-forsta-gangen","status":"publish","type":"post","link":"https:\/\/www.europesays.com\/se\/93399\/","title":{"rendered":"Vi kan ha sett m\u00f6rk materia f\u00f6r f\u00f6rsta g\u00e5ngen"},"content":{"rendered":"<p>M\u00f6rk materia \u00e4r en g\u00e5ta som anses utg\u00f6ra drygt 80\u202fprocent av universums massa.<\/p>\n<p>Redan \u00e5r 1933 f\u00f6reslog astronomen Fritz Zwicky dess existens, eftersom galaxernas r\u00f6relser inte kunde f\u00f6rklaras med enbart synlig materia.<\/p>\n<p>Enligt astrofysiker borde materien existera, eftersom gravitationen i galaxhopar \u00e4r betydligt starkare \u00e4n vad som motiveras av den lysande materien.<\/p>\n<p>Vi kan inte m\u00e4ta den direkt, eftersom den inte avger n\u00e5got ljus. D\u00e4rf\u00f6r har alla observationer gjorts indirekt genom effekter som gravitationslinser och kosmisk bakgrundsstr\u00e5lning, som avsl\u00f6jar en dold massa.<\/p>\n<p>Nu kan vi kanske slutligen ha gjort den f\u00f6rsta direkta observationen, \u00e5tminstone enligt en astrofysiker.<\/p>\n","protected":false},"excerpt":{"rendered":"M\u00f6rk materia \u00e4r en g\u00e5ta som anses utg\u00f6ra drygt 80\u202fprocent av universums massa. Redan \u00e5r 1933 f\u00f6reslog astronomen&hellip;\n","protected":false},"author":2,"featured_media":93400,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[66],"tags":[80,78,79,34,31,33,32,30,81,84,83,82],"class_list":{"0":"post-93399","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-vetenskap-och-teknik","8":"tag-science","9":"tag-science-and-technology","10":"tag-scienceandtechnology","11":"tag-se","12":"tag-svenska","13":"tag-sverige","14":"tag-sweden","15":"tag-swedish","16":"tag-technology","17":"tag-teknik","18":"tag-vetenskap","19":"tag-vetenskapteknik"},"share_on_mastodon":{"url":"https:\/\/pubeurope.com\/@se\/115637791155909843","error":""},"_links":{"self":[{"href":"https:\/\/www.europesays.com\/se\/wp-json\/wp\/v2\/posts\/93399","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=93399"}],"version-history":[{"count":0,"href":"https:\/\/www.europesays.com\/se\/wp-json\/wp\/v2\/posts\/93399\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/se\/wp-json\/wp\/v2\/media\/93400"}],"wp:attachment":[{"href":"https:\/\/www.europesays.com\/se\/wp-json\/wp\/v2\/media?parent=93399"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.europesays.com\/se\/wp-json\/wp\/v2\/categories?post=93399"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.europesays.com\/se\/wp-json\/wp\/v2\/tags?post=93399"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}