History of the Earth. 5 billionEarth is believed to be about 5 billion years old Little available atmospheric oxygen at this time 3.9ish billionFirst.
The History of Life The record and origin of life.
Creation of new elements is energy source of stars (and the sun) We are made of star stuff…. Carl Sagan.
Embodied Carbon: The Inventory of Carbon & Energy Database 28 th September 2011 Dr. Craig Jones [email protected].
a v =15.5 MeV a s =16.8 MeV a c =0.72 MeV a sym =23.0 MeV a p =34.0 MeV.
How did life originate? To ask this question using science (as opposed to other “ways of knowing”): What natural processes could account for the origins.
