{"id":164520,"date":"2026-02-08T16:18:08","date_gmt":"2026-02-08T16:18:08","guid":{"rendered":"https:\/\/www.europesays.com\/fi\/164520\/"},"modified":"2026-02-08T16:18:08","modified_gmt":"2026-02-08T16:18:08","slug":"maahan-osui-kolme-vuotta-sitten-jotain-outoa-nyt-arvoitus-on-saatettu-ratkaista","status":"publish","type":"post","link":"https:\/\/www.europesays.com\/fi\/164520\/","title":{"rendered":"Maahan osui kolme vuotta sitten jotain outoa \u2013 nyt arvoitus on saatettu ratkaista"},"content":{"rendered":"<p>V\u00e4limeren pohjassa toimiva KM3NeT-neutriino-observatorio rekister\u00f6i vuonna 2023 haamuhiukkasen, jonka energia oli h\u00e4mm\u00e4stytt\u00e4v\u00e4sti noin 220 PeV. Aiemmin ei ollut mitattu yht\u00e4 suurienergiaista neutriinoa.<\/p>\n<p>Energiam\u00e4\u00e4r\u00e4 on melkein 100 000-kertainen verrattuna niihin neutriinoihin, joita Sveitsin ja Ranskan rajalla toimiva maanalainen LHC-hiukkaskiihdytin on tuottanut.<\/p>\n<p>Havainto tehtiin syv\u00e4ll\u00e4 V\u00e4limeress\u00e4. Hiukkasen kulku pime\u00e4ss\u00e4 vedess\u00e4 voitiin erottaa heikkona sinisen\u00e4 s\u00e4teilyn\u00e4.<\/p>\n<p>Nyt tutkijat ovat saattaneet ratkaista arvoituksen.<\/p>\n","protected":false},"excerpt":{"rendered":"V\u00e4limeren pohjassa toimiva KM3NeT-neutriino-observatorio rekister\u00f6i vuonna 2023 haamuhiukkasen, jonka energia oli h\u00e4mm\u00e4stytt\u00e4v\u00e4sti noin 220 PeV. Aiemmin ei ollut&hellip;\n","protected":false},"author":2,"featured_media":164521,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[114],"tags":[453,33,31,30,118,452,32,119],"class_list":{"0":"post-164520","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-avaruus","8":"tag-avaruus","9":"tag-fi","10":"tag-finland","11":"tag-finnish","12":"tag-science","13":"tag-space","14":"tag-suomi","15":"tag-tiede"},"share_on_mastodon":{"url":"https:\/\/pubeurope.com\/@fi\/116035918391963433","error":""},"_links":{"self":[{"href":"https:\/\/www.europesays.com\/fi\/wp-json\/wp\/v2\/posts\/164520","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.europesays.com\/fi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.europesays.com\/fi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/fi\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/fi\/wp-json\/wp\/v2\/comments?post=164520"}],"version-history":[{"count":0,"href":"https:\/\/www.europesays.com\/fi\/wp-json\/wp\/v2\/posts\/164520\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/fi\/wp-json\/wp\/v2\/media\/164521"}],"wp:attachment":[{"href":"https:\/\/www.europesays.com\/fi\/wp-json\/wp\/v2\/media?parent=164520"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.europesays.com\/fi\/wp-json\/wp\/v2\/categories?post=164520"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.europesays.com\/fi\/wp-json\/wp\/v2\/tags?post=164520"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}