It's just that He was lying around for all this eternity and suddenly 6,000 years ago got bored stiff and decided to create all these billions of planets. And on one of these innumerable rocks he decided to put man (and woman)
I had this idea that Allah did this all the time. That he created creatures, gave them free will and tested them over and over again, creating and destroying many different earths, adams, prophets, humanities, maybe even simultaneously to aliens in other galaxies.
I always thought it sounded like SimCity, or Civ... build up a society, and then pick your favourite catastrophies just to see how it turns out.
Maybe God is really just Comic Book guy from the Simpsons. "I command thee to worship me"