Statements (23)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
physical phenomenon
|
| gptkbp:appliesTo |
electromagnetic waves
sound waves |
| gptkbp:causedBy |
relative motion between source and observer
|
| gptkbp:form |
z = (λ_observed - λ_emitted) / λ_emitted
|
| https://www.w3.org/2000/01/rdf-schema#label |
Doppler redshift
|
| gptkbp:measures |
velocity of astronomical objects
|
| gptkbp:namedAfter |
gptkb:Christian_Doppler
|
| gptkbp:observedBy |
gptkb:astronomy
astrophysics |
| gptkbp:opposedBy |
gptkb:Doppler_blueshift
|
| gptkbp:relatedTo |
gptkb:special_relativity
gptkb:cosmological_redshift expanding universe radial velocity measurements galaxy recession |
| gptkbp:result |
decrease in observed frequency
increase in observed wavelength |
| gptkbp:subclassOf |
gptkb:Doppler_effect
redshift |
| gptkbp:bfsParent |
gptkb:Redshift
gptkb:Red_Shift |
| gptkbp:bfsLayer |
6
|