Post proof that the Earth is not flat.

We cant find the edge

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>>1369207

Approaching ships on the horizon. They don't magically appear. It's always like they're emerging from the sea.

>>1369201
Universal gravitation dictates that an object of Earth's mass, or hell, even less like Mars or Mercury, would crush itself into a spheroid shape.

>>1369201
If you stand at the top of a building and watch the sun go down, you can then take the elevator to the ground and watch it set again

>>1369221
Other way round I mean, watch the sunset from the ground then go to the top of a building and watch it again

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>>1369201
I'll do this one more time.
>inb4 I don't have the physics
STOP thinking of this as a 2D vs 3D issue. Stop thinking circle vs. sphere. That argument is bullshit.

Instead, explain how the Earth IS (or is not) FLAT within its own 4D local curved time-space.