Statements (29)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
physical phenomenon
|
| gptkbp:affects |
cosmic age estimation
cosmic expansion rate distance calculations in astronomy |
| gptkbp:alsoKnownAs |
gptkb:Hubble_constant
|
| gptkbp:category |
astrophysics
cosmological parameters |
| gptkbp:describes |
rate of expansion of the universe
|
| gptkbp:dimensions |
inverse time
|
| gptkbp:firstMeasured |
1929
|
| gptkbp:hasUnit |
km/s/Mpc
|
| https://www.w3.org/2000/01/rdf-schema#label |
Hubble parameter
|
| gptkbp:measures |
gptkb:cosmology
gptkb:Type_Ia_supernovae s^-1 redshift of galaxies baryon acoustic oscillations |
| gptkbp:namedAfter |
gptkb:Edwin_Hubble
|
| gptkbp:relatedTo |
gptkb:Friedmann_equations
gptkb:cosmic_distance_ladder age of the universe |
| gptkbp:symbol |
gptkb:H0
|
| gptkbp:uncertainty |
subject to measurement tension
|
| gptkbp:usedIn |
gptkb:cosmology
|
| gptkbp:valueEstimate |
~70 km/s/Mpc
|
| gptkbp:variesWithTime |
true
|
| gptkbp:bfsParent |
gptkb:Friedmann_equations
gptkb:Hubble_constant |
| gptkbp:bfsLayer |
5
|