Re: Life's origin
Yah good stuff, basically it re-affirms that OVER 2 Billion years ago the great photosynthethis O2 event occured. The Earth could not have been frozen over then. The Sun was a lot dimmer then. A mystery.
Space/Science » in reply to Re: Life's origin
Yah good stuff, basically it re-affirms that OVER 2 Billion years ago the great photosynthethis O2 event occured. The Earth could not have been frozen over then. The Sun was a lot dimmer then. A mystery.