Quote from: DieJohnny on December 28, 2015, 04:06:59 PM

Concave earth? Huh

If we can sail across the concave surface then we know how big the sphere actually is, we could confirm this concave ball size with a laser beam shot across the universe that lands on the other side of this concave planet, that is a far simpler experiment. Seems like a terrible theory that will fail with two seconds of logic.

and here's the most common pitfall to understanding the concave earth theory, you just said it.

The biggest deception is light itself. Namely the properties of light. Here's a kicker: in vacuum light does not travel in straight lines. Instead, light bends along the concave curvature of the Earth itself, making it seem as if the horizon was flat while it really is not. That's why we must discard all experiments utilizing light --- because we cannot trust light. There is plenty of evidence for the bending light theory, there's even science grade proof that is carefully kept away from the public education.

As mr. reptile said above "satan is deception". since satan = lucifer = bringer of light, light cannot be trusted. Light can be used for deception. This is why all the new age religion bullshit is utter and total bullshit --- it always speaks of light as something good while in reality light is all about deception.

And if that was not enough to convince you, here's a photo of the military using telescopes in war:

Why on Earth are the telescopes pointed upwards instead of straight towards the horizon?

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Conclusion
Optics has shown that the hull vanishing before the sails effect is not in any way evidence for a convex (or concave) Earth. The US military camera pointing up and showing 3 horizons with the furthest one situated at the top of the picture cannot be explained by any convex or flat Earth model, only a concave one; and proves that the horizon we see with the naked eye is caused by optics. The only question is the reliability of this information and that we have no other examples with which to compare; so for that reason alone, this evidence is not a slam dunk. Does the US military camera show that the Earth is concave? Very likely (95%).