{"id":583944,"date":"2019-02-25T12:00:19","date_gmt":"2019-02-25T16:00:19","guid":{"rendered":"http:\/\/spaceweekly.com\/?guid=6b35af013784373db17e88db9b349bf9"},"modified":"2019-02-25T12:00:19","modified_gmt":"2019-02-25T16:00:19","slug":"ancient-rocks-provide-clues-to-earths-early-history","status":"publish","type":"post","link":"https:\/\/spaceweekly.com\/?p=583944","title":{"rendered":"Ancient rocks provide clues to Earth&#8217;s early history"},"content":{"rendered":"<p>Oxygen in the form of the oxygen molecule (O2), produced by plants and vital for animals, is thankfully abundant in Earth&#8217;s atmosphere and oceans. Researchers studying the history of O2 on Earth, however, know that it was relatively scarce for much of our planet&#8217;s 4.6 billion-year existence.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Oxygen in the form of the oxygen molecule (O2), produced by plants and vital for animals, is thankfully abundant in Earth&#8217;s atmosphere and oceans. Researchers studying the history of O2 on Earth, however, know that it was relatively scarce for much of &#8230;<\/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-583944","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry"],"_links":{"self":[{"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/posts\/583944","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=583944"}],"version-history":[{"count":1,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/posts\/583944\/revisions"}],"predecessor-version":[{"id":583945,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/posts\/583944\/revisions\/583945"}],"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=583944"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=583944"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=583944"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}