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He might as well have believed that Jeff had been brought back by ancient astronauts from another star system.
Turns out they really were landing pads for ancient astronauts.
But this does not mean I have totally abandoned the ancient astronaut theory.
Ancient astronaut theories have been widely used in science fiction.
He was also an early proponent of the ancient astronaut hypothesis.
He has been described as the doyen of the ancient astronaut theory.
Despite all the talk of unidentified flying objects and ancient astronauts, there is no serious evidence that we have been or are being visited.
You can moon around with your ancient astronaut all you want when we get a work camp set up.
It is as if the academic community takes the view that theories on ancient astronauts are beneath their dignity.
As the figures were made to be seen from a great height, they have been linked with the ancient astronaut hypothesis.
He is a major proponent of the idea of "ancient astronauts".
The text has gained favor among proponents of ancient astronaut theories.
Here, London may have anticipated the ancient astronauts of science fiction and pseudoscience.
Many publications have argued for the ancient astronauts hypotheses.
According to ancient astronaut hypothesis, extraterrestrials had been active in the affairs of early man.
So much for your fantasies of ancient astronauts.
Like those Ancient Astronaut books a few centuries back.
Landsburg created two other television documentaries dealing with the ancient astronaut subject.
He almost laughed; he was no believer in ancient astronauts or science fiction.
He concluded that the "ancient astronaut hypothesis is unnecessary."
Also there were ancient astronauts from Nibiru who came to Earth and created modern humans.
Did ancient astronauts travel to earth in faster-than-light spaceships?
The Christian creationist community is highly critical of many of the ancient astronaut ideas.
Ancient astronauts have been addressed frequently in science fiction and horror fiction.
The dawn of the space age also inspired various versions of ancient astronaut theories.