I never paid too much attention to this flat earth nonsense on CI until a few days ago, but it is very nice to see some other Catholic able to observe and think straight.
And you are spot on a little further where you state that flat earthers have an "inability to learn". I dissected and debunked that video to kiwiboy almost a year ago, you did a few months ago, and I did again yesterday. That's three times. You'd think they would at least stop promoting this silly video. But I would almost bet my life's saving on it: the vast majority of flat earthers will not learn from it. They will simply carry on in their dreamworld.
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The time may well be coming when it's fairly common for private parties to take a flight into outer space.
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When that day arrives, there will still be flat-earthers who refuse to look at reality.
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They will have all manner of excuses, such as:
-- They're using a fish-eye lens
-- It must be CGI
-- Could be a hologram outside the window
-- Might be a fake projection to look like what is there
-- It's a conspiracy to hide the "flat" earth
-- This can't be real because the firmament is in the way
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Even if you were to take a flat-earther in person into outer space, they would not believe what they see with their own eyes.
-- The moon is too far away so it must be fake
-- The sun is too far away so this must be CGI
-- Could be a hologram outside the window
-- I can't see any "flat" earth so it can't be real
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