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Flat Earth Q&A / Re: The Sea and Ships/Boats and Question about Countries and Other Questions
« on: September 03, 2019, 10:48:23 AM »1. After a certain distance, if you stand on land and watch a boat or ship go directly out to sea, it starts to move down, as if there is a curve there. Why is this? It moves downwards until you can't see it at all.
To add to Space Cowgirl's explanation. A wave blocks visibility on the ocean. When a ship is close there are relatively few waves to block it. As a boat moves farther away, there are more waves. The chances of these waves being big enough to block the entire boat go up and up until they approach 100%. Once a boat gets far enough away, the combination of poor visibility and ~90% wave coverage means that the boat appears to move below the horizon.