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Questions on systems to uniquely determine position of a point or other geometric element on a manifold such as Euclidean space.
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How to convert density from physical unit to comoving unit?
I am learning co-moving units and I am interested to see how the conversion works. If Hubble constant is assumed to be 0.7, then I want to convert $1gm/cm^3$ into comoving unit. If I want to express l …