I can (more of less) imagine how it would look if space was Euclidean, spherical of hyperbolic.

But there are 8 Thurston geometries see https://en.wikipedia.org/wiki/Geometrization_conjecture

how would the big structure of the world look if we lived in one of the other 5 ?

  • $\begingroup$ You might like the answers to this question. $\endgroup$ – user98602 May 12 '15 at 6:57

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