Yes, there is no unified theory, only separate observations.
As for Genesis, don`t forget the possibility that these ancient people, smart though they were, were just writing down legends passed orally for ages. One day they decided to put it to paper, and this is what we have. if not for a few mistakes, it could shadow science. I.E. they did not realize that the sun was the source of light, they thought the sun came with the light, just like the moon came with the night.