Evaluating solutions to the faint young Sun problem
Article first published online: 29 OCT 2013
©2013. American Geophysical Union. All Rights Reserved.
Eos, Transactions American Geophysical Union
Volume 94, Issue 44, page 408, 29 October 2013
How to Cite
2013), Evaluating solutions to the faint young Sun problem, Eos Trans. AGU, 94(44), 408.(
- Issue published online: 29 OCT 2013
- Article first published online: 29 OCT 2013
- Cited By
- early Earth;
During the Archean eon, between about 3.8 billion years ago and 2.5 billion years ago, the Sun was about 20%–25% fainter than it is today. With less sunlight to warm the Earth, the oceans should have been frozen over, but geological evidence suggests that this was not the case.