Water World (IMAGE) American Geophysical Union Caption An artist's rendering of Earth during the Archean eon, with a hazy atmosphere, few landmasses and a global ocean. Credit Alec Brenner, Harvard University Usage Restrictions Please include image credits. License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.