spherical.Īrgument #3 is… well… not the best argument. Aristotle made this argument not a problem, but a solution: Massive things have a tendency to fall toward the center of the spherical cosmos, and if particles come from all sides toward one point, the resulting mass must look the same from all sides, i.e. One of the counterarguments against a round Earth was that people on the other side would fall off. If Earth were round, this would explain the existence of elephants there and in India, but not in Europe: The could simply walk around the other side. In ancient times, there were elephants in North Africa, at least near the Strait of Gibraltar. For instance, he noted that some stars seen from Egypt and Cypres weren't visible from Greece at all. The position of the stars are clearly different when observed in the north and in the south. If Earth had any other than round, you would sometimes see another shape. Aristotle used the following four arguments for a spherical Earth (of which James K already discussed three):ĭuring a Lunar eclipse, Earth's shadow is always round.
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