{"id":119,"date":"2024-08-31T05:22:00","date_gmt":"2024-08-31T05:22:00","guid":{"rendered":"https:\/\/blog.adlington.fr\/index.php\/2024\/08\/31\/vast-doughnut-discovered-in-molten-metal-of-earths-core\/"},"modified":"2024-08-31T05:22:00","modified_gmt":"2024-08-31T05:22:00","slug":"vast-doughnut-discovered-in-molten-metal-of-earths-core","status":"publish","type":"post","link":"https:\/\/blog.adlington.fr\/index.php\/2024\/08\/31\/vast-doughnut-discovered-in-molten-metal-of-earths-core\/","title":{"rendered":"Vast \u2018doughnut\u2019 discovered in molten metal of Earth\u2019s core"},"content":{"rendered":"<blockquote><p>Understanding the outer core was important, he said, as it was critical to the survival of life at the surface. It was responsible for the magnetic field, which protected Earth from the constant bombardment of charged particles from the sun.<\/p>\n<p>Currents moving within the molten iron and nickel acted like a \u201cgiant dynamo\u201d that generated and sustained the Earth\u2019s magnetic field.<\/p>\n<p>Tkal\u010di\u0107 said scientists did not yet know why the Earth had this active dynamo when many other planets did not: \u201cIt\u2019s fair to say that we understand the surfaces of other planets in more detail than our own planet\u2019s interior.\u201d<\/p>\n<p>Earth\u2019s interior \u2013 a solid centre containing the inner core, encapsulated by a liquid outer core and then the mantle \u2013 was just as immense, he said.<\/p>\n<p>Overall the core was slightly larger than Mars. \u201cWe can think of it as a planet within our own planet,\u201d Tkal\u010di\u0107 said.<\/p>\n<p>He added: \u201cWe don\u2019t know the exact thickness of the doughnut, but we inferred that it reaches a few hundred kilometres beneath the core-mantle boundary.\u201d The structure\u2019s buoyancy suggested the presence of lighter chemical elements such as silicon, sulphur, oxygen, hydrogen or carbon.<br \/>\n\u2014 Read on <a href=\"https:\/\/www.theguardian.com\/environment\/article\/2024\/aug\/31\/vast-doughnut-discovered-in-molten-metal-of-earth-core\">www.theguardian.com\/environment\/article\/2024\/aug\/31\/vast-doughnut-discovered-in-molten-metal-of-earth-core<\/a><\/p>\n<\/blockquote>\n","protected":false},"excerpt":{"rendered":"<p>Understanding the outer core was important, he said, as it was critical to the survival of life at the surface. It was responsible for the magnetic field, which protected Earth from the constant bombardment of charged particles from the sun. Currents moving within the molten iron and nickel acted like a \u201cgiant dynamo\u201d that generated [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[1],"tags":[],"class_list":["post-119","post","type-post","status-publish","format-standard","hentry","category-blog"],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/blog.adlington.fr\/index.php\/wp-json\/wp\/v2\/posts\/119","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blog.adlington.fr\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.adlington.fr\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.adlington.fr\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.adlington.fr\/index.php\/wp-json\/wp\/v2\/comments?post=119"}],"version-history":[{"count":0,"href":"https:\/\/blog.adlington.fr\/index.php\/wp-json\/wp\/v2\/posts\/119\/revisions"}],"wp:attachment":[{"href":"https:\/\/blog.adlington.fr\/index.php\/wp-json\/wp\/v2\/media?parent=119"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.adlington.fr\/index.php\/wp-json\/wp\/v2\/categories?post=119"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.adlington.fr\/index.php\/wp-json\/wp\/v2\/tags?post=119"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}