Debunked
Eratosthenes measures Earth's circumference
Greek mathematician at Alexandria calculates circumference (~40,000 km) using shadow-angle geometry. Result within 1-2% of modern measurement.
The Flat Earth Theory →Every event in our archive, in chronological order. Showing the 240s — 1 event. Click any event to read the full theory page.
Greek mathematician at Alexandria calculates circumference (~40,000 km) using shadow-angle geometry. Result within 1-2% of modern measurement.
The Flat Earth Theory →