There are scientific references to a spherical Earth dating back to Ancient Greece.
In 240 B.C., Eratosthenes used trigonometry and measuring shadows to estimate the Earths circumference.
The explorer Ferdinand Magellan returned from circumnavigating the globe in 1522.
Credit: Matt Winkelmeyer/Getty Images
This group is the subject of director Daniel J. Clarks documentary,Behind the Curve.
He focuses primarily on a couple of the groups charismatic leaders, Mark Sargent and Patricia Steere.
ENTERTAINMENT WEEKLY: Obviously in making a documentary, its important to keep a critical distance from your subject.
But so much of what people say is so frustrating!
Did you ever just want shake them or show them a geometry textbook?
because theres tons of stuff on YouTube and its really not satisfying in any way.
With very few exceptions.
So nothing really caught me off guard.
I would put a little distance between me and what I was hearing.
So that would be my therapy session.
Shaming someone doesnt change the way they feel about something.
In fact, it probably just reinforces it and they become more entrenched in their belief.
I think its probably idealistic, because some people arent to listen necessarily.
And this isnt just Flat Earthers, this is everybody.
Behind the Curve is currently streaming on Netflix.
