{"id":62805,"date":"2025-10-15T12:15:15","date_gmt":"2025-10-15T12:15:15","guid":{"rendered":"https:\/\/www.europesays.com\/fi\/62805\/"},"modified":"2025-10-15T12:15:15","modified_gmt":"2025-10-15T12:15:15","slug":"20-vuotta-sitten-maan-sisalta-rekisteroitiin-outo-signaali","status":"publish","type":"post","link":"https:\/\/www.europesays.com\/fi\/62805\/","title":{"rendered":"20 vuotta sitten Maan sis\u00e4lt\u00e4 rekister\u00f6itiin outo signaali"},"content":{"rendered":"<p>Tutkijat uskovat, ett\u00e4 syyn\u00e4 on ollut geologinen prosessi, joka on muuttanut maapallon sis\u00e4ll\u00e4 olevaa massaa.<\/p>\n<p>He esitt\u00e4v\u00e4t, ett\u00e4 mineraalien siirtyminen tai mineraalivaihdos alemmassa vaipassa perovskiittisest\u00e4 postperovskiittiseen on voinut aiheuttaa massan nopean uudelleenjakautumisen maapallon sis\u00e4ll\u00e4.<\/p>\n<p>T\u00e4m\u00e4 selitt\u00e4isi sek\u00e4 painovoiman poikkeaman ett\u00e4 magneettikent\u00e4n muutoksen.<\/p>\n<p>Tutkijoiden mukaan tutkimus osoittaa, kuinka monimutkainen maapallon sisus on ja kuinka v\u00e4h\u00e4n me oikeastaan tied\u00e4mme sen syvimmist\u00e4 kerroksista.<\/p>\n<p><strong>Nasa tarkkailee jatkuvasti asteroideja, jotka ovat vaarassa t\u00f6rm\u00e4t\u00e4 Maahan. Lue t\u00e4\u00e4lt\u00e4, milloin viisi vaarallisinta, halkaisijaltaan yli 100-metrist\u00e4 asteroidia on t\u00f6rm\u00e4yskurssilla Maan kanssa:<\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"Tutkijat uskovat, ett\u00e4 syyn\u00e4 on ollut geologinen prosessi, joka on muuttanut maapallon sis\u00e4ll\u00e4 olevaa massaa. He esitt\u00e4v\u00e4t, ett\u00e4&hellip;\n","protected":false},"author":2,"featured_media":62806,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[117],"tags":[33,31,30,72,476,118,32,119,477],"class_list":{"0":"post-62805","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-luonto","8":"tag-fi","9":"tag-finland","10":"tag-finnish","11":"tag-luonto","12":"tag-nature","13":"tag-science","14":"tag-suomi","15":"tag-tiede","16":"tag-wildlife"},"share_on_mastodon":{"url":"","error":""},"_links":{"self":[{"href":"https:\/\/www.europesays.com\/fi\/wp-json\/wp\/v2\/posts\/62805","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=62805"}],"version-history":[{"count":0,"href":"https:\/\/www.europesays.com\/fi\/wp-json\/wp\/v2\/posts\/62805\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/fi\/wp-json\/wp\/v2\/media\/62806"}],"wp:attachment":[{"href":"https:\/\/www.europesays.com\/fi\/wp-json\/wp\/v2\/media?parent=62805"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.europesays.com\/fi\/wp-json\/wp\/v2\/categories?post=62805"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.europesays.com\/fi\/wp-json\/wp\/v2\/tags?post=62805"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}