Cosmic fine-tuning for the Earth

 Second BIG challenge to naturalism – vanishingly low probability that so many fundamental properties of the universe could be precisely as required for life to exist.
 
There is now broad agreement among physicists and cosmologists that the universe is in several respects ‘fine-tuned’ for life.

P. Davies  Int. J. of Astrobiology  2(2): 115, (2003).

 fine-tuning aspects of our universe, or the “anthropic coincidences”

 habitable zone in a spiral galaxy
 
 

 

 unique properties of the sun
 
   

habitable orbit around the sun