{"id":167644,"date":"2026-02-12T06:19:08","date_gmt":"2026-02-12T06:19:08","guid":{"rendered":"https:\/\/www.europesays.com\/fi\/167644\/"},"modified":"2026-02-12T06:19:08","modified_gmt":"2026-02-12T06:19:08","slug":"ensimmainen-kerta-tutkijat-tekivat-sensaatiomaisen-havainnon-150-metrin-syvyydessa-venuksen-pinnasta","status":"publish","type":"post","link":"https:\/\/www.europesays.com\/fi\/167644\/","title":{"rendered":"Ensimm\u00e4inen kerta: Tutkijat tekiv\u00e4t sensaatiomaisen havainnon 150 metrin syvyydess\u00e4 Venuksen pinnasta"},"content":{"rendered":"<p>Tutka paljastaa planeetan pinnan alla piilevi\u00e4 rakenteita<\/p>\n<p>Venus, Aurinkokunnan toinen planeetta <a href=\"https:\/\/tieku.fi\/maailmankaikkeus\/aurinkokunta\/aurinko\/10-asiaa-joita-et-tiennyt-auringosta\" class=\"hover:font-bold\" rel=\"nofollow noopener\" target=\"_blank\">Auringosta<\/a> laskien, on tunnetusti vaikea tutkittava.<\/p>\n<p>Paksu hiilidioksidipitoinen kaasukeh\u00e4 est\u00e4\u00e4 tavallisten kameroiden k\u00e4yt\u00f6n, ja yli 450 asteen pintal\u00e4mp\u00f6tilat tekev\u00e4t suorista mittauksista l\u00e4hes mahdottomia.<\/p>\n<p>Siksi tutkijat tarvitsevat tutkan, joka voi \u201dn\u00e4hd\u00e4\u201d pilvien l\u00e4pi l\u00e4hett\u00e4m\u00e4ll\u00e4 radioaaltoja ja mittaamalla niiden kaikuja, kun ne palaavat takaisin.<\/p>\n<p><a href=\"https:\/\/www.nature.com\/articles\/s41467-026-68643-6\" target=\"_blank\" class=\"hover:font-bold\" rel=\"nofollow noopener\">Uudessa tutkimuksessa<\/a>  italialainen tutkijaryhm\u00e4 Trenton yliopistosta on k\u00e4ytt\u00e4nyt Nasan Magellan-luotaimen tietoja. Luotain kartoitti Venusta vuosina 1990\u20131992.<\/p>\n<p>Uuden analyysimenetelm\u00e4n avulla ryhm\u00e4 on nyt keskittynyt alueisiin, joiden pinta n\u00e4ytt\u00e4\u00e4 romahtaneen paikallisesti.<\/p>\n<p>Se voi nimitt\u00e4in olla merkki siit\u00e4, ett\u00e4 pinnan alla on onteloita.<\/p>\n","protected":false},"excerpt":{"rendered":"Tutka paljastaa planeetan pinnan alla piilevi\u00e4 rakenteita Venus, Aurinkokunnan toinen planeetta Auringosta laskien, on tunnetusti vaikea tutkittava. Paksu&hellip;\n","protected":false},"author":2,"featured_media":167645,"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-167644","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\/116056212267703497","error":""},"_links":{"self":[{"href":"https:\/\/www.europesays.com\/fi\/wp-json\/wp\/v2\/posts\/167644","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=167644"}],"version-history":[{"count":0,"href":"https:\/\/www.europesays.com\/fi\/wp-json\/wp\/v2\/posts\/167644\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/fi\/wp-json\/wp\/v2\/media\/167645"}],"wp:attachment":[{"href":"https:\/\/www.europesays.com\/fi\/wp-json\/wp\/v2\/media?parent=167644"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.europesays.com\/fi\/wp-json\/wp\/v2\/categories?post=167644"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.europesays.com\/fi\/wp-json\/wp\/v2\/tags?post=167644"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}