Statements (25)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
astrophysical concept
physical phenomenon |
| gptkbp:causedBy |
expansion of the universe
|
| gptkbp:contrastsWith |
gptkb:Doppler_redshift
gravitational redshift |
| gptkbp:describes |
increase in wavelength of light from distant galaxies
|
| gptkbp:evidence |
gptkb:Big_Bang_theory
|
| gptkbp:firstDescribed |
gptkb:Edwin_Hubble
|
| gptkbp:hasUnit |
dimensionless
|
| https://www.w3.org/2000/01/rdf-schema#label |
cosmological redshift
|
| gptkbp:implies |
universe is expanding
galaxies are moving away from us |
| gptkbp:measures |
redshift parameter z
|
| gptkbp:observedBy |
light from distant galaxies
|
| gptkbp:quantifiedBy |
z = (λ_observed - λ_emitted) / λ_emitted
|
| gptkbp:relatedTo |
gptkb:Hubble's_law
|
| gptkbp:studiedBy |
astrophysicists
cosmologists |
| gptkbp:usedIn |
gptkb:astronomy
gptkb:cosmology |
| gptkbp:bfsParent |
gptkb:Redshift
gptkb:Hubble–Humason_law gptkb:Universe gptkb:Red_Shift |
| gptkbp:bfsLayer |
6
|