6 Carl Sagan: How the ancient Greeks knew the Earth was round. All you need is sticks, eyes, feet and brains... (twitter.com) posted 1 year ago by BuckeyePatr1ot 1 year ago by BuckeyePatr1ot +12 / -6 32 comments share 32 comments share save hide report block hide replies
You get the same result by moving the sun closer on a flat plane, it's basic maths.