ET contact in the course of human history
The theory of ancient astronauts, or as some call it, the theory of ancient aliens, advocates hipóetese that ancient human civilizations, had some kind of immediate contact with extraterrestrial beings.
According to some researchers argue, the records of this living humans and aliens, was erased in the course of time, by force of constant change and natural disasters for which the earth passed.
But, few records remain present and these records may point the truth oldest of all time.
"Humanity has never been alone in the universe."