Driven in no small part by the History Channel and authors like Eric Fondanikim, plenty of

people around the world deny that humans could have built many of our early wonders, like

the pyramids.

They believe that alien visitors must have been at least partially responsible for nearly

all great works constructed by early, non-white civilizations.

And astronauts are today on Skeptoid.

You're listening to Skeptoid.

I'm Allison Hudson from Skeptoid.com.

Ancient Astronauts.

UFO enthusiasts often cite June 24, 1947 as the beginning of the modern UFO phenomenon.

On that day Kenneth Arnold coined the term flying saucer for the unidentified objects he

saw flying past Mount Rainier and sparked the public's interest in the idea of alien

visitors from another world.

But what if aliens had arrived on Earth sooner than that?

What if they had arrived a lot sooner?

That's the basis of the ancient astronaut hypothesis, which suggests that alien visitors

have been coming to Earth not just for decades, but for centuries, and maybe even millennia.

Notions of an Earth visited in the ancient past by aliens from another world?

Stay back at least a century.

In many ways, the Cthulhu mythos, HP Lovecraft's famous mythology of great old ones from deep

space who come to Earth and build the Eons old cities, is an iteration of the ancient astronaut

idea.

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