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Assuming that exactly none of the ship is hidden by the horizon and that the camera is six feet about the surface of the water and assuming standard refraction, the ship would be approximately 3.25 miles away. https://www.metabunk.org/curve/

The Right-angled Triangles Calculator b=3959 miles (radius of Earth) c=3999 miles (radius plus altitude) 40 miles altitude yields an 8.11° (angle A) down angle to the horizon line. That's not a huge angle by any means and I'd wager that your brain would still make it feel like it was straight...

I'm not trying to make lite of your work, I just don't get it. After reading it, my thought was, "So what?" What's the argument? It seems you managed to make something where you could actually draw the triangles and measure the angles with a protractor, thereby confirming at least part of...

:deadhorse:

All that stuff has been talked about in torturous detail. And besides, how does math that proves that the Earth cannot be flat let any flat Earther off the hook? Ask Dave whether he feels like I'm letting him off the hook.

Yes. I was playing around with the metabunk site and decided that it was too well done for it to be likely that they would have made such a mistake as I was suggesting, so I did some more research and figured it out. Makes me glad I was willing to use their larger number for argument's sake...

It's called tts (text to speech) narration and can be added to any video for free... https://www.youtube.com/watch?v=3FhjfPkNp-w

Okay, so I'm not a mathematician! Calculating the angular size of the Earth to determine the horizon drop DOES NOT WORK!!!! Therefore the first three lines of my last post are totally wrong! :down: The reason it doesn't work is because with altitude, you can see a larger and larger percentage...

The angular size of the Earth would be 179.45° from an altitude of 100,000 ft. That would mean that the horizon will have dropped .0275°. Not noticeable! 18 miles is not nearly high enough to notice any change in the horizon. To see just a 2% bulge, which is just enough to be readily...

That's a pretty smooth argument you're making! See what I did there?!

I reconfigured the image. Hopefully that one works. If not, here's the site... Angular Size Calculator An interesting thing for you to do at that site would be to find out the angular size of the Earth relative to an observer 6 feet away and then from 40,000 ft and see how small the difference...

I mentioned the likely answer to this already. To know for certain, you'd have to look at the code and see the actual formula they are using but I think it likely that they are using the wrong formula. I think they are using the formula for angular size rather than the formula for calculating...

The Sun and Moon appear to move across the sky because the Earth is spinning. If you want to cause the Sun and Moon to stand still in the sky (there's be no point in making them stand still in any other context), the way to do that is to stop the Earth from spinning on it's axis. If you're...

There is insufficient visual evidence to prove it either way but visual evidence is not the only evidence, as this thread has demonstrated 14,542,718 times.

I wouldn't be dogmatic either way. In any case, neither of those things require or even imply a flat Earth cosmology.

I reject every premise of the above quoted comment. The Bible does not make any sort of argument that the Earth is flat. It discusses the Earth in terms that are consistent with out every day experience, which, as we've just been discussing, is practically flat, but the Bible makes no...

I know that the drop is six feet at three miles but I dispute the .04° figure because a right triangle with one side being 72 inches and the long side opposite the hypotenuse being 15800 feet yields and angle opposite the 72 inch side of .0261° not .04°. As for the bulge, it is only relevant...

You're still misunderstanding the bulge, Dave. There is no 12 feet. The error you're making has to do with the way the site is drawing the triangle. The distance in the interactive part of that site is not "a line from the point on the surface where we are standing to the horizon". In fact...

There is no bulge! :bang: You just simply cannot be this stupid! The surface of the Earth drops 6 feet in three miles. If we convert miles to feet then three miles is 15840 feet. If you plug in those numbers here you find that the angle that you're look down at the horizon at is a whopping...

Respect is earned. You had my respect and chose to intentionally squander it. If you want it back, as I said before, you're fixing to learn that it's much harder to earn a thing than it is to squander it. I'd say that the sort of trust you are referring to is basically synonymous with respect...