From: scerir (scerir@libero.it)
Date: Sat Mar 09 2002 - 11:12:41 MST
>> if 2 pi radians is defined = 360 degrees, what happens
>> when a circle has more or fewer than 360 degrees,
>> due to space curvature?
> Nowthen, if they were to actually attempt to measure
> the ratio of the circumference to the diameter,
> Im not exactly sure what would happen.
in a non-Euclidean space the ratio is < pi, or > pi
In GR, for a 'warped' (hyper)surface the ratio is < pi,
and it is also possible for pi to be rational, if I
remember well
bbbbuuuuuttttt:
http://math.ucr.edu/home/baez/physics/Relativity/GR/pi.html
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