Satan is a reference to the former "sun" of Earth.., Saturn…
Sun-worshipers, Pagans, whatever or who ever you want to call them… The events that took place were so important that people from all over the world recodred what they were experiencing…
The serpent is actually a reference to the plasma filamients, called Birkeland currents…
Here's a short video explaining that one ; )
This is the stuff you'll want to look into if you want to understand origins of life…
Don't take everything so literal…