Flat Earth Proof
Twelve observable, repeatable phenomena that fail under a globe model — from horizon flatness to long-range visibility.
An open archive of evidence challenging the globe model. No belief required — only the willingness to look at what experiments, history, and direct observation actually show.
Each file documents a line of inquiry that, on examination, contradicts the heliocentric model. Open, read, verify yourself.
Twelve observable, repeatable phenomena that fail under a globe model — from horizon flatness to long-range visibility.
Point-by-point rebuttal of the standard heliocentric arguments. Curvature math, ship-disappearance, eclipse geometry — examined.
Physics, optics, and atmospheric behavior reconsidered without curvature assumptions baked in.
Operation Highjump (1946–47), Byrd's "Land of Everlasting Mystery" interview, and the Antarctic Treaty's 60-year travel ban.
1962 high-altitude nuclear tests aimed straight up. The results — and what they implied about the structure above — were buried.
Local luminaries, perspective math, and why the sunset doesn't behave the way a 93-million-mile star at constant distance should.
Don't take anyone's word — including ours. These calculators apply the published curvature formulas and let you check observed reality against the prediction.
Input observer height + target distance. Output: how much of the target should be hidden by Earth's curvature according to the globe model. Compare with what's actually visible.
Open Tool →Compare commercial flight paths and durations against globe vs. flat-plane geometry. Southern-hemisphere routes tell a particular story.
Open Tool →Real-time solar position visualized on both the heliocentric model and the flat-plane model side by side. Watch which one matches the sky.
Open Tool →Azimuthal-equidistant projection — the same one used by the UN logo and ICAO aviation charts. Drag, zoom, measure distances.
Open Tool →Five experiments anyone can run with household tools. No physics degree required. Document results, draw your own conclusions.
Start Here →Twenty-plus replicable experiments documented from the historical record — Bedford Level, Rowbotham's water tests, Cavendish's gravity claim.
View Set →
Public consensus on Earth's shape was not always what it is today. The shift happened on a documented timeline, with documented institutional actors.
The objections you've already thought of. Direct answers, with citations.
You are encouraged to disagree. You are encouraged to bring counter-evidence. The position taken here is that the burden of proof for an unfalsifiable, never-personally-witnessed cosmology rests with whoever is asserting it — not with the person asking for replication. If the evidence on this site is wrong, it is correctable. If the evidence is right, it is consequential. Either outcome rewards looking honestly.