{"id":270603,"date":"2017-02-06T12:47:56","date_gmt":"2017-02-06T16:47:56","guid":{"rendered":"http:\/\/spaceweekly.com\/?guid=96f0c5df51d2aeeea9c88ac45df0e92a"},"modified":"2017-02-06T12:47:56","modified_gmt":"2017-02-06T16:47:56","slug":"only-the-hottest-most-buoyant-mantle-plumes-draw-from-a-primordial-reservoir-deep-in-the-earth","status":"publish","type":"post","link":"https:\/\/spaceweekly.com\/?p=270603","title":{"rendered":"Only the hottest, most buoyant mantle plumes draw from a primordial reservoir deep in the Earth"},"content":{"rendered":"<p>The Earth&#8217;s mantle\u2014the layer between the crust and the outer core\u2014is home to a primordial soup even older than the moon. Among the main ingredients is helium-3 (He-3), a vestige of the Big Bang and nuclear fusion reactions in stars. And the mantle is its only terrestrial source.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>The Earth&#8217;s mantle&mdash;the layer between the crust and the outer core&mdash;is home to a primordial soup even older than the moon. Among the main ingredients is helium-3 (He-3), a vestige of the Big Bang and nuclear fusion reactions in stars. And the mantle is its only terrestrial source.<\/p>\n","protected":false},"author":0,"featured_media":615444,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[],"tags":[],"class_list":["post-270603","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry"],"_links":{"self":[{"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/posts\/270603","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"}],"replies":[{"embeddable":true,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=270603"}],"version-history":[{"count":1,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/posts\/270603\/revisions"}],"predecessor-version":[{"id":270604,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/posts\/270603\/revisions\/270604"}],"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=270603"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=270603"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=270603"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}