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gptkbp:instanceOf
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astronomer
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gptkbp:alsoKnownAs
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redshift
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gptkbp:canBe
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gptkb:Doppler_redshift
gptkb:cosmological_redshift
gravitational redshift
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gptkbp:causedBy
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expansion of the universe
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gptkbp:contrastsWith
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gptkb:blueshift
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gptkbp:describes
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increase in wavelength of light from distant objects
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gptkbp:explains
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gptkb:Edwin_Hubble
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gptkbp:firstObserved
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gptkb:Vesto_Melvin_Slipher
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gptkbp:form
|
z = (λ_observed - λ_emitted) / λ_emitted
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gptkbp:hasUnit
|
z (redshift parameter)
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|
https://www.w3.org/2000/01/rdf-schema#label
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cosmic redshift
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gptkbp:importantFor
|
estimating age of the universe
mapping large-scale structure of the universe
measuring universe's expansion rate
studying galaxy evolution
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gptkbp:indication
|
distance of astronomical objects
velocity of recession
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gptkbp:measures
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spectroscopy
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gptkbp:observedBy
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quasars
galaxies
supernovae
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gptkbp:relatedTo
|
gptkb:cosmology
gptkb:Doppler_effect
gptkb:Hubble's_law
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gptkbp:usedIn
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gptkb:cosmology
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gptkbp:bfsParent
|
gptkb:standard_model_of_Big_Bang_cosmology
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gptkbp:bfsLayer
|
6
|