How did the Globe Earth Concept Arise

Our globe and solar system concept of reality has been established and proven beyond all shadows of a doubt…or have they?

What are the difficulties with the globe earth compared with the flat earth cosmology. Is there proof that we can easily observe? And where does the “proof” come from…

Do ALL astronauts agree that the earth is a globe hanging in space, do they all agree to have escaped the near-earth orbit, transitioned through the Van Allen Belt to venture further into space and even to have landed on the moon and now Mars?