Statements (27)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
cosmological equations
|
| gptkbp:appliesTo |
homogeneous and isotropic universe
|
| gptkbp:assumes |
gptkb:Friedmann–Lemaître–Robertson–Walker_metric
|
| gptkbp:derivedFrom |
gptkb:Einstein_field_equations
|
| gptkbp:describes |
expansion of the universe
|
| gptkbp:field |
gptkb:theoretical_physics
astrophysics |
| gptkbp:hasEquation |
gptkb:first_Friedmann_equation
second Friedmann equation |
| gptkbp:hasModel |
gptkb:Big_Bang
cosmic inflation future fate of the universe |
| https://www.w3.org/2000/01/rdf-schema#label |
Friedmann equations
|
| gptkbp:namedAfter |
gptkb:Alexander_Friedmann
|
| gptkbp:publishedIn |
1922
|
| gptkbp:relatedTo |
gptkb:Lemaître_equations
gptkb:cosmological_constant gptkb:Hubble_parameter gptkb:Robertson–Walker_metric energy density pressure curvature scale factor |
| gptkbp:usedIn |
gptkb:cosmology
|
| gptkbp:bfsParent |
gptkb:Einstein–de_Sitter_universe
gptkb:General_Theory_of_Relativity |
| gptkbp:bfsLayer |
4
|