Unconventional Flying Objects: A Former NASA Scientist Explains How Ufos Really
27,87 €
Paul Hill was a well-respected NASA scientist when, in the early 1950s, he had a UFO sighting. "I was destined," says Hill, "to be as unidentified as the flying objects. "For the next twenty-five years, Hill acted as an unofficial clearinghouse at NASA, collecting and analyzing sightings' reports for physical properties, propulsion possibilities, dynamics, etc.
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