Statements (22)
Predicate | Object |
---|---|
gptkbp:instanceOf |
gptkb:cosmology
|
gptkbp:assumes |
homogeneity
isotropy |
gptkbp:basedOn |
gptkb:Einstein_field_equations
|
gptkbp:category |
gptkb:general_relativity
physical cosmology |
gptkbp:describes |
expanding universe
|
gptkbp:form |
gptkb:Robertson–Walker_metric
|
https://www.w3.org/2000/01/rdf-schema#label |
Friedmann universe
|
gptkbp:includes |
flat universe
open universe closed universe |
gptkbp:introducedIn |
1922
|
gptkbp:namedAfter |
gptkb:Alexander_Friedmann
|
gptkbp:predicts |
cosmic expansion
eternal expansion possible recollapse |
gptkbp:relatedTo |
gptkb:Friedmann_equations
gptkb:Big_Bang_theory |
gptkbp:usedIn |
gptkb:standard_model_of_cosmology
|
gptkbp:bfsParent |
gptkb:Eddington_universe
|
gptkbp:bfsLayer |
7
|