https://www.youtube.com/watch?v=qERdL8uHSgI
This video (Part of the EONS series), describes earth in its early history, as early life flooded the atmosphere with oxygen.
As cool as it is on its own, the interesting thing from en ED perspective is how the colour of the oceans changed as iron content in the water reacted to different atmospheric states. It would be cool to see a water world with green or red seas as well as the traditional blue.
This video (Part of the EONS series), describes earth in its early history, as early life flooded the atmosphere with oxygen.
As cool as it is on its own, the interesting thing from en ED perspective is how the colour of the oceans changed as iron content in the water reacted to different atmospheric states. It would be cool to see a water world with green or red seas as well as the traditional blue.