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
|
| 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
|
| http://www.w3.org/2000/01/rdf-schema#label |
Friedmann universe
|