View Full Version : Early Faint Sun Paradox Explained?

2010-Jun-03, 07:20 PM
Models of the Sunís evolution indicate it was as much as 30 percent less luminous during the first few billion years of Earthís history than it is now. But, somehow the surface of the planet was warm enough for early life to emerge. A new study and a look at Saturn's moon Titan has [...]

More... (http://www.universetoday.com/2010/06/03/early-faint-sun-paradox-explained/)