The Undeniable Ship Phenomenon

If we assume the Earth is a flat plane... please provide a coherent explanation for the universally observed phenomenon where, as a ship sails away from an observer on the shore or a slightly elevated dock, the ship's hull disappears below the horizon before the mast and sails do. Furthermore, explain why, if the observer then climbs to a significantly higher vantage point (like a hill or a tall building), the hull reappears without the ship having changed its distance from the observer. What physical principle, optical illusion, or atmospheric effect on a flat Earth model consistently causes objects to disappear from the bottom up in this specific, distance-dependent manner, rather than simply shrinking uniformly due to perspective? For context this is what I mean (I put the second timestamp to not waste anyone's time): https://youtu.be/0b396KudEvs?t=705
7 Replies
RonK
RonK4mo ago
We don't assume the earth is flat and stationary when it is experienced, observed, and measured as flat and stationary - so that is reality. Reality doesn't have to be assumed. Since your question started with a fallacy. I didn't even read the rest of it or click on the unsolicited link.
Grim
Grim4mo ago
It's simply a matter of #optics-vision-perspective-👁 Your sight is limited. The phenomenon in question is demonstrable on flat surfaces. Meaning it's not a phenomenon that's exclusive to a curved surface.
Grim
Grim4mo ago
Grim
Grim4mo ago
Grim
Grim4mo ago
Grim
Grim4mo ago
indio007
indio0074mo ago
it is undeniable. Everything you said is horseshit. It's not universally observed or consistently observed. You literally made that shit up. In fact it rarely happens. I have PERSONALLY watched a boat NOT do this for 30 miles. even in the video where she says she can't see the hull. you can see the hull 1 second later. We can replicated this optical effect on KNOWN flat surfaces. This disproves you claim this should not be observed on a flat earth. Maybe you didn't get the memo. The horizon is not the geometric edge of a ball. This lake is 1000 ft long. In globetardia there should be no horizon AT ALL on this lake from this camera height. https://www.youtube.com/watch?v=OXnyGYS-8uw
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RC Yacht Observation, February 2023
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