Lighthouse Prove the Earth is Flat

The distance from which various lighthouse lights across the world are visible at sea far exceeds what could be found on a ball-Earth 25,000 miles in circumference. For example, the Dunkerque Light in southern France at an altitude of 194 feet is visible from a boat (10 feet above sealevel) 28 miles away. Spherical trigonometry … Continue reading Lighthouse Prove the Earth is Flat