Volcanic activity billions of years ago set the stage for Earth's oxygen-rich atmosphere ...
It is widely believed that Earth's atmosphere has been rich in oxygen for about 2.5 billion years due to a relatively rapid ...
Science Daily1 天
Are volcanoes behind the oxygen we breathe?
It is widely believed that Earth's atmosphere has been rich in oxygen for about 2.5 billion years due to a relatively rapid increase in microorganisms capable of performing photosynthesis. Researchers ...
Discover Magazine on MSN1 天
How Ancient Volcanoes Helped Create the Air We Breathe Today
We all depend on oxygen to survive, but about 3 billion years ago, there was barely any oxygen at all. When was the last time ...
Nature3 年
Earth's Earliest Climate
Despite the stark differences between today’s world and that of the Archean, it is clear that at both times, climate has impacted — and been impacted by — life on Earth. This paper will take ...