Humanity has known the Earth to be round for a few millennia and I’ve been meaning to show some of the methods of how we figured out the world is not flat.
I’ve had a few ideas on how to do that, but I got an interesting incentive, when Phil Plait (The Bad Astronomer) wrote about a recently published BBC article about “The Flat Earth” society.
Phil claims it’s ridiculous to even bother rebutting the flat earth society – and I tend to agree.
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