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abstraction > theory related concept > problem > horizon problem |
horizon problem comparison table |
Subject | is a kind of | has definition | has synonym |
---|---|---|---|
problem | theory related concept | ||
horizon problem | problem | Cosmological puzzle associated with the fact that regions of the universe that are separated by vast distances nevertheless have nearly identical properties such as temperature. Inflationary cosmology offers a solution. | homogeneity problem |
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