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abstraction > mathematical concept > geometrical object > point > coordinate > co-moving coordinate |
co-moving coordinate comparison table |
Subject | is a kind of | has definition |
---|---|---|
coordinate | point | Quantities that provide references for locations in space and time. |
co-moving coordinate | coordinate | Coordinates fixed with respect to the overall Hubble flow of the universe, so that they do not change as the universe expands. |
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