{"id":344044,"date":"2017-07-13T15:49:12","date_gmt":"2017-07-13T19:49:12","guid":{"rendered":"https:\/\/www.sciencedaily.com\/releases\/2017\/07\/170713154912.htm"},"modified":"2017-07-13T15:49:12","modified_gmt":"2017-07-13T19:49:12","slug":"nickel-is-crucial-for-earths-magnetic-field","status":"publish","type":"post","link":"https:\/\/spaceweekly.com\/?p=344044","title":{"rendered":"Nickel is crucial for Earth&#8217;s magnetic field"},"content":{"rendered":"<p>Earth&#8217;s hot core, consisting mainly of iron, is responsible for the &#8216;dynamo effect,&#8217; which creates a magnetic field. But with iron alone, this effect cannot be explained. A team of researchers has shown that the theory of the geodynamo has to be revised. It is crucial for the dynamo effect that the earth&#8217;s core contains up to 20 percent nickel &#8212; a metal, which under extreme conditions behaves quite differently from iron. <\/p>\n","protected":false},"excerpt":{"rendered":"<p>Earth&#8217;s hot core, consisting mainly of iron, is responsible for the &#8216;dynamo effect,&#8217; which creates a magnetic field. But with iron alone, this effect cannot be explained. A team of researchers has shown that the theory of the geodynamo has to be revise&#8230;<\/p>\n","protected":false},"author":61,"featured_media":615444,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[],"tags":[],"class_list":["post-344044","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry"],"_links":{"self":[{"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/posts\/344044","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/users\/61"}],"replies":[{"embeddable":true,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=344044"}],"version-history":[{"count":1,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/posts\/344044\/revisions"}],"predecessor-version":[{"id":344045,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/posts\/344044\/revisions\/344045"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/media\/615444"}],"wp:attachment":[{"href":"https:\/\/spaceweekly.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=344044"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=344044"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=344044"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}