Flying with gravity
2023-10-25 11:09 Flat-earthers usually claim that gravity does not exist.  It is claimed to be incompatible with how things fly.  If gravity makes things fall down everything is supposed to always fall down.
What you can in fact see in the sky
2023-10-17 11:09 Flat-earthers show great ignorance about the movements of celestial bodies.  It is bad enough to believe that perspective could explain the sun rising and setting.
How far can you see?
2023-10-11 10:36 Flat-earthers like to argue that one can see things further away than one would on a round Earth.  The problem is usually faulty calculations of what one would be able to see.
Perspective in real life
2023-10-10 10:41 Something flat-earters have substantially misunderstood is the concept of perspective.  It is not a natural law for light.  Instead, it is a method for depicting things on a flat surface.