We all have a lot of questions we'd like to ask Flat Earthers, with number one being a shrieked, 'How can you possibly believe this nonsense?'
In the video, deGrasse Tyson used multiple experiments and examples to prove how people came to know the Earth is round, even before space travel made it possible to observe the Earth from a distance.
Other Flat Earthers believe that Antarctica is a giant ice wall around the outside of our (flat) planet. But apparently there are enough people for whom "the Earth is round" is not a statement of fact that astrophysicist and Professional Explainer of Science to Average People, Neil deGrasse Tyson, felt the need to address this on his show, Star Talk.
"All the laws of physics and the accounting of energy as processes unfold in the universe...they conspire to make things round".More news: Microsoft Co. (NASDAQ:MSFT) EVP Sells 3500 Shares of Stock
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Flat Earther Connor Murphy had a ready-made answer for that, in an interview with Unilad this month.
And then there's the much more straightforward argument that if you watch a ship sail off, you'll eventually see it disappear into the horizon, and it would only disappear from view if it's moving on a round surface. He stated that there could be distortion in the shape like when the planet is revolving at a massive speed, it might look something bulgy like a disk but it is still a spherical or round surface. If Earth were flat, sometimes you'd get a flat shadow. If it was flat as a pancake, it is unlikely that the ship would behave as such. However, the sunlight won't reach to the bottom in other wells who are not directly under the sun. the angles of incoming sunlight would be different and can be measured to prove the earth is round (see the image for reference).
If three deep wells are dug at three different positions, and the sun is overhead the well in the middle, it would be visible to the bottom. Tyson blamed the faulty education system that fails to teach critical analysis to students.
He explained the physics around why heavenly bodies tend to be spherical, which he wrote about at length in his book Astrophysics for People in a Hurry.
'They'll say that they find it more appalling to believe in the universe as a huge, uncaring place, and that it seems more reasonable to imagine Earth was made for humans like a flawless snow globe'.