Questions tagged [geography]

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1answer
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Circular reasoning in Eratosthenes's measurement of the Earth's circumference

I remember that I read, some time ago, that Erathostenes calculated the circumfernce of the Earth using the distance between Syene and Alexandria, calculated in turn by others starting from the ...
2
votes
1answer
175 views

What is the origin of the four cardinal directions (North, East, South, and West)?

Why are there four? I would guess it was fixed after the egocentric/"relative" directions (left, right, front, back). Or was it because human used to consider the ground as flat and 2-dimensional? How ...
6
votes
1answer
172 views

How did Eratosthenes determine that Alexandria and Syene were on the same meridian?

As discussed over here, Eratosthenes measured the earth’s circumference by comparing shadows cast at apparent noon at two locations separated by a known distance. Although accounts of the event (like ...