|
主題: About 2.3 Billion Years Ago, a Firehose of Oxygen was Released Into the Atmosphe 作者: peter 於 2018-03-27 09:21:44 https://www.universetoday.com/138867/2-3-billion-years-ago-firehose-oxygen-released-atmosphere/
About 2.3 Billion Years Ago, a Firehose of Oxygen was Released Into the Atmosphere (https://www.universetoday.com/wp-content/uploads/2018/03/1_OPH_4680_1A_AL-700x432.jpg) |