Statements (31)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
astronomical method
|
| gptkbp:appliesTo |
stars
quasars galaxies |
| gptkbp:dependsOn |
standard candles
standard rulers |
| gptkbp:field |
gptkb:cosmology
astrophysics |
| https://www.w3.org/2000/01/rdf-schema#label |
cosmic distance ladder
|
| gptkbp:includes |
gptkb:Type_Ia_supernovae
gptkb:Tully-Fisher_relation redshift-distance relation Cepheid variable method parallax method surface brightness fluctuations |
| gptkbp:purpose |
to determine distances to celestial objects
|
| gptkbp:relatedTo |
gptkb:Hubble_constant
distance modulus |
| gptkbp:step |
gptkb:RR_Lyrae_variables
gptkb:Hubble's_law gptkb:Type_Ia_supernovae gptkb:Tully-Fisher_relation Cepheid variables main sequence fitting spectroscopic parallax trigonometric parallax |
| gptkbp:usedBy |
astronomer
|
| gptkbp:usedFor |
measuring astronomical distances
|
| gptkbp:bfsParent |
gptkb:Hubble's_law
gptkb:Hubble_constant |
| gptkbp:bfsLayer |
5
|