Fly east and you’ll eventually come back to where you started, that’s not an opinion, that’s aviation. Commercial pilots use great circle routes to conserve fuel and time, routes that only make sense on a curved surface. If Earth were flat, none of our current flight paths would work, the distances would be wildly off. New York to Tokyo over the Arctic, impossible on a flat map. Then there’s gravity, not just an invisible force but a measurable constant. It’s why objects fall the same way everywhere on Earth, it’s why the oceans bulge at the equator and dip at the poles. A flat Earth would collapse under its own weight. There’s no known physics that could explain gravity consistently on a flat disk. And before you shout “NASA lies,” this predates NASA. Eratosthenes proved Earth’s curvature over 2,000 years ago using nothing but sticks and shadows in two cities. His experiment can be replicated today by students around the world. You can deny institutions, you can question motives, but you can’t rewrite the physical behavior of our planet. The globe model doesn’t just work, it predicts with relentless accuracy.
Fly east and you’ll eventually come back to where you started, that’s not an opinion, that’s aviation. Commercial pilots use great circle routes to conserve fuel and time, routes that only make sense on a curved surface. If Earth were flat, none of our current flight paths would work, the distances would be wildly off. New York to Tokyo over the Arctic, impossible on a flat map. Then there’s gravity, not just an invisible force but a measurable constant. It’s why objects fall the same way everywhere on Earth, it’s why the oceans bulge at the equator and dip at the poles. A flat Earth would collapse under its own weight. There’s no known physics that could explain gravity consistently on a flat disk. And before you shout “NASA lies,” this predates NASA. Eratosthenes proved Earth’s curvature over 2,000 years ago using nothing but sticks and shadows in two cities. His experiment can be replicated today by students around the world. You can deny institutions, you can question motives, but you can’t rewrite the physical behavior of our planet. The globe model doesn’t just work, it predicts with relentless accuracy.