If the Earth was flat would we all see the same face of the moon?
People on the opposite sides of an object can't see the same face of the object. So how do all the people see the same face of the moon.
2. Lunar Eclipses.
A Lunar Eclipse happens when the earth gets in between the sun and moon. The sun and the moon are not perpetually above a flat plane.
The flat Earth model can't prove the Lunar Eclipse.