{"id":428961,"date":"2018-01-18T09:00:01","date_gmt":"2018-01-18T13:00:01","guid":{"rendered":"http:\/\/spaceweekly.com\/?guid=fdfc462d17ccfce5c8649feb29229520"},"modified":"2018-01-18T09:00:01","modified_gmt":"2018-01-18T13:00:01","slug":"worlds-oldest-known-oxygen-oasis-discovered","status":"publish","type":"post","link":"https:\/\/spaceweekly.com\/?p=428961","title":{"rendered":"World&#8217;s oldest known oxygen oasis discovered"},"content":{"rendered":"<p>In the Earth&#8217;s early history, several billion years ago, only traces of oxygen existed in the atmosphere and the oceans. Today&#8217;s air-breathing organisms could not have existed under those conditions. The change was caused by photosynthesizing bacteria, which created oxygen as a by-product \u2013 in vast amounts. 2.5-billion-year-old rock layers on several continents have yielded indications that the first big increase in the proportion of oxygen in the atmosphere took place then.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In the Earth&#8217;s early history, several billion years ago, only traces of oxygen existed in the atmosphere and the oceans. Today&#8217;s air-breathing organisms could not have existed under those conditions. The change was caused by photosynthesizing bacteria, which created oxygen as a by-product &ndash; in vast amounts. 2.5-billion-year-old rock layers on several continents have yielded indications that the first big increase in the proportion of oxygen in the atmosphere took place then.<\/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-428961","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry"],"_links":{"self":[{"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/posts\/428961","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=428961"}],"version-history":[{"count":1,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/posts\/428961\/revisions"}],"predecessor-version":[{"id":428962,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/posts\/428961\/revisions\/428962"}],"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=428961"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=428961"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=428961"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}