Do you really know? How did flat Earth conspiracy theory start?
Apr 2, 2026
A brisk look at the origins and revival of flat Earth ideas. Ancient Egyptian, Babylonian and Greek flat-world models are described. The 19th-century comeback led by Samuel Rowbotham and the formation of organized movements are explored. Modern DIY experiments and the social reasons people still believe are highlighted.
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Flat Earth Model Versus Ancient Scientific Evidence
- Flat Earth belief frames Earth, Sun, and Moon as flat discs with Antarctica as an ice wall enclosing the edges.
- Amber Minogue contrasts this with ancient models and notes philosophers like Pythagoras and Aristotle argued for a spherical Earth using observations and circumference calculations.
Rowbotham's Telescope Experiment Sparked Modern Movement
- Samuel Rowbotham ran a telescope experiment claiming boats remained visible beyond the horizon and used that to argue the Earth is flat.
- He formed the Zetetiks and the Universal Zetetik Society in 1881, which evolved into the Flat Earth Society.
DIY Experiments Failed And Sometimes Endangered Participants
- Some Flat Earthers attempted DIY tests like launching rockets, flying planes, or sailing to the edge to prove their claims.
- These attempts failed to validate the theory and in some cases were dangerous or fatal, showing practical risks of fringe experiments.