For about half of Earth’s 4.6 billion-year existence, the atmosphere contained only carbon dioxide and nitrogen, with no oxygen. But this changed when cyanobacteria, also known as blue-green algae, started producing the first oxygen using nitrogenase, which led to the Great Oxidation Event, fueling the evolution of life on Earth. Rust Discovered at Moon’s […]
Source: Emergence of Life –“Played an Important Role on Evolution of the Moon” | The Daily Galaxy
Darwiniana 