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The first physical proof that the Earth is NOT FLAT was accomplished by Ferdinand Magellan and Juan Elcano

Saying it doesn't make it true.  A story, no matter how long its told cannot provide serious criteria against empirical proof.  Real time repeatable experiments pretty much dust this statement.  

Provide one

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Pope Pius XII, for one, referred in his official writings several times to the "globe" earth.
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Are you claiming that a sphere is not a globe?
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You can see in the ISS video the way water droplets in zero gravity conform to a globe, or spheroid shape. How do you explain that appearance? All CGI, Photoshop and fake, eh?
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Okay, if it's so simple to fake it with F/X, why don't the flat-earthers make a video showing how a water droplet in zero gravity conforms to their "flat-earth" model? Simple, no?
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Neil,
Just for the sake of everyone reading these posts, and so you can show there is no conflict of interests, can you you confirm whether or not you work for NASA?
You don't have to say where or what department, because it is a very big organisation, I just think it would be good for people to know so they can be objective in judging your arguments.
Pius XII? The same Pius XII who gave us the '58 Holy week? Don't you have anything a little more older than that, since everybody knew the earth to be round, as you claim for a lot longer.
Kind of hard to bring up advanced CGI when we're not in possession of the expensive equipment necessary, not the training in CGI, nor the time. But this is the same tactic you use against flat earthers all the time; being to make unrealistic ridiculous demands of them in an attempt to make them look stupid and you smart.
It's not arrogant people coming to flat earth btw, but humble ones. The arrogant will never accept it.