Statements (27)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:physical_phenomenon
|
| gptkbp:affects |
age of the universe
|
| gptkbp:alsoKnownAs |
gptkb:Hubble_parameter
|
| gptkbp:category |
astrophysics
cosmological parameters |
| gptkbp:describes |
rate of expansion of the universe
|
| gptkbp:dimensions |
inverse time
|
| gptkbp:firstMeasured |
1929
|
| gptkbp:firstMeasuredBy |
gptkb:Edwin_Hubble
|
| gptkbp:hasUnit |
km/s/Mpc
|
| gptkbp:measures |
redshift of galaxies
|
| gptkbp:namedAfter |
gptkb:Edwin_Hubble
|
| gptkbp:reciprocal |
gptkb:Hubble_time
|
| gptkbp:relatedTo |
gptkb:cosmology
gptkb:Hubble's_law gptkb:Type_Ia_supernovae gptkb:cosmic_distance_ladder Cepheid variables |
| gptkbp:symbol |
gptkb:H0
|
| gptkbp:uncertainty |
gptkb:Hubble_tension
|
| gptkbp:usedIn |
gptkb:cosmology
|
| gptkbp:valueEstimate |
gptkb:73.0_km/s/Mpc_(SH0ES_2019)
67.4 km/s/Mpc (Planck 2018) ~70 km/s/Mpc |
| gptkbp:bfsParent |
gptkb:Edwin_Hubble
|
| gptkbp:bfsLayer |
4
|
| https://www.w3.org/2000/01/rdf-schema#label |
Hubble constant
|