Aristotle observed "there are stars seen in Egypt and [...] Cyprus which are not seen in the northerly regions." Since this could only happen on a curved surface, he too believed Earth was a sphere "of no great size, for otherwise the effect of so slight a change of place would not be quickly apparent." (De caelo, 298a2–10)
Aristotle provided physical and observational arguments supporting the idea of a spherical Earth:
Every portion of the Earth tends toward the center until by compression and convergence they form a sphere. (De caelo, 297a9–21)
Travelers going south see southern constellations rise higher above the horizon; and
The shadow of Earth on the Moon during a lunar eclipse is round. (De caelo, 297b31–298a10).
| mZuzek said: I have to disagree with most of you people. If it really was a ball, why aren't the people who live in the underside just falling down? It makes no sense. |
Lol. That was actually funny.
4 ≈ One
Because shadows have different lenghts at the same time on different places on earth.
Because on the ocean before you see a ship you can already see its sails.
Because the moon is too
“It appeared that there had even been demonstrations to thank Big Brother for raising the chocolate ration to twenty grams a week. And only yesterday, he reflected, it had been announced that the ration was to be reduced to twenty grams a week. Was it possible that they could swallow that, after only twenty-four hours? Yes, they swallowed it.”
- George Orwell, ‘1984’
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