Looking into the past with a telescope

Chris L Peterson wrote:
Is radial symmetry a condition of having a center? I would think the
Universe must have a center in some higher dimension, regardless of its
shape and topology (even if that center isn't a simple point).

I suppose it depends on what you mean by "center." If you just mean
something like "center of mass," then you're probably right. I was
thinking more of a geometric center, obviously.

--
Brian Tung
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