bn:00276631n
Noun Concept
Categories: Pages using sidebar with the child parameter, General relativity, Equations
EN
Friedmann equations  critical density  Friedmann's equation  Critical Mass Density of the Universe  Density of the universe
EN
The Friedmann equations are a set of equations in physical cosmology that govern the expansion of space in homogeneous and isotropic models of the universe within the context of general relativity. Wikipedia
English:
cosmology
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