hypothetical scenario; astronauts succeeded to find life on hundreds planets containing developed civilisations and realized that non of, are having historical nor in there present life any hint to theological concept. no mentioned of god, gods or anything that we earthlings are familiar with. nada.
“a true believer as a person so fanatically committed to a cause that no amount of reality can make him abandon it”Eric Hoffer
I was going to check one, not because I want to convert anybody, but to share in Earth's religions and tell them. But 2 would be the real choice, since Earth's religions don't have any place on another planet since we don't share the same history.
De los sus ojos tan - fuertemente llorando, Tornaba la cabeza - y estábalos catando.
Look folks.... Anyone who ever read one of the books in C.S. Lewis' space trilogy knows that everyone on other planets knows the Christian God and the angels. This is the "Forbidden Planet" to them because Satan was cast down here and God does not want them to be infected with the evil we have here. So it would not be for me to teach them anything. They would indeed have much more to teach me!
We don't need to go that far. There are 8.7 million different species on Earth. And apart from Homo sapiens none of them has ever heard of god, gods or anything nor has any historical nor present hint to a theological concept. And not even a human child would ever come up with such an idea, if it isn't taught so by his parents.
Some may say: Animals are too stupid to understand this concept. But I say it is the other way around. Humans are too stupid to accept the world just as it is.
Chimpanzees are capable to communicate with humans through sign language. It would be an interesting experiment to explain a chimpanzee the concept of god and ask him, if he believes in such a being. May be nobody ever tried it, because it would make the human simply look stupid and would somehow be embarrassing. The only reason why a human is usually not embarrassed when talking about god, is that he knows that other humans are just as crazy as himself and have already been exposed to this madness since childhood.