#1 - That's a fucking bowl, it's not flat; the Bible says God stretched a flat and level line across the Earth during its construction. -- Job 38:5


#2 - The Sun's rays don't hit the Earth in parallel, that's a theory breaking assumption that has to be made if one accepts Aristotle's evidence. ^{Correction that was Eratosthenes not Aristotle.}

#2 - Aristotle used the curved mirror surface of the dome and projected his observation of the stars onto the Earth, this is the same bullshit trick used today with Earth geoid mapping.