![]() Husband’s flat Earth ideas died that day.” His reasoning? He discovered the majority of flat earthers are Trumpers with extreme political views. As of recently I discovered he changed his mind. “My husband got trapped in a YouTube black hole of flat earth videos for a while. But if the Earth is flat, wouldn't we see only one hemisphere of stars from any point on the earth?” It's been well-documented throughout history. “ both came to the conclusion that the flat Earth doesn’t adequately explain many of the things we observe on earth.įor example, we know there are two hemispheres of stars that can be observed from the earth, in the northern and southern sky. It disappeared behind the horizon while the helicopter was still a considerable distance from the ground. “I fell in and out of the belief over time until I saw a video of an experiment where one group flew a helicopter far out over the ocean and another group watched it with a powerful telescope as it slowly lowered to the horizon. Ultimately, he realised that the path the ship was taking would be impossible if the earth was flat.” Every day he would chart the ship’s location, speed, heading, etc so he could make a map of their path. “I have an acquaintance I met in the Navy, who joined specifically so he could see that the Earth was flat while at sea. Responding to a question posted on Reddit, user Trungus McTungus wrote: Sign up to our new free Indy100 weekly newsletter Luckily, though, some former flat earthers have managed to extricate themselves from their beliefs. Only selected people know the truth, they believe, like the NASA agents who guard the ice wall at the end of the Earth. They don’t help themselves, either, when they make claims like there being no Flat Mars Society because “unlike Earth, Mars has been observed to be round”.īut they are quite serious in their claims that the Earth is flat and that NASA images that suggest otherwise have been doctored. It is difficult to take the Flat Earth Society, which peddles the antiquated belief, seriously amid all the jokes about them having members right across the globe. For now, let's fix this depth at some value $h_c \in (0, h)$ and see what we can infer from it.The ‘Flat Earth’ conspiracy theory is so ludicrous that people often take it to be a parody. If we do not have data on the mass density of Earth in the flat model, it is difficult to pronounce any number, but we can do some estimations later on. If we assume cylindrical symmetry, it will be at the $-h/2$, but that is about all we can say. The center of mass is located at the North Pole, but we cannot guess its depth without additional data. \frac \left( \rho \cos(\theta), \rho \sin(\theta), z \right) d\theta \right] dr \\ The surface of an oblate ellipsoid is defined by the constraint Furthermore, the spherical model does not assume a perfect sphere for ground level, but roughly an oblate ellipsoidal shape. Obviously, neither of these models are true, as any cursory glance will tell us, so we're going to have to deal with some uncertainty.Īs a good approximation, we can roughly say that any spot on Earth is within ten kilometers of ground level. The spherical Earth model holds that the Earth is roughly the shape of a ball, while the flat Earth holds that it is roughly the shape of a disk (so that it will be some kind of thin cylinder). This idea probably stems from a variety of phenomenon involving long distances, as large scales are often needed to get a sense of Earth's global shape : the appearance of the night sky in different places, projected shadows, the timing of sunsets, changes in seasons, temperatures, etc. The exact appearance of the idea of a spherical Earth is somewhat controversial, with many philosophers positing the ideas at various points, but it is often attributed to Eratosthenes, who experimentally verified it c. ![]() The intuitiveness of the flat Earth gave it some degree of popularity in the pre-modern era, and it was a fairly common feature of cosmological models When this was torn off and enclosed in certain rings, the sun, moon, and stars came into existence. From this arose a sphere of flame which grew round the air encircling the earth, as the bark grows round a tree. He says that something capable of begetting hot and cold was separated off from the eternal at the origin of this world. He says that the earth is cylindrical in form, and that its depth is as a third part of its breadth.
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