How to simulate the disappearance of objects beyond the horizon in the unity?

Question

Unity

I want to make the effect like in real life, that is, if you look ahead, then the objects go down (for example, like at sea, if you follow the ship and the farther it goes, the less visible it is behind the horizon line).

Answer 1

If your "earth" is flat, then this can be done using shaders or a non-Euclidean renderer.
Both options are rather non-trivial.
The option is a little easier - to make an honest, spherical world, but here it is already difficult to make a normal attraction and work with a big world