Statements (17)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:astronomical_law
|
| gptkbp:alsoKnownAs |
gptkb:Period-Luminosity_Relation
|
| gptkbp:appliesTo |
gptkb:Cepheid_variable_stars
|
| gptkbp:basisFor |
gptkb:cosmic_distance_ladder
|
| gptkbp:describes |
relationship between luminosity and pulsation period of Cepheid variable stars
|
| gptkbp:discoveredIn |
1908
|
| gptkbp:enables |
determination of distances to galaxies
|
| gptkbp:form |
linear relationship between log(period) and absolute magnitude
|
| gptkbp:formedBy |
gptkb:Henrietta_Swan_Leavitt
|
| gptkbp:influenced |
Edwin Hubble's discovery of the expanding universe
|
| gptkbp:publishedIn |
gptkb:Annals_of_the_Astronomical_Observatory_of_Harvard_College
|
| gptkbp:significance |
helped establish the scale of the universe
|
| gptkbp:usedFor |
measuring cosmic distances
|
| gptkbp:bfsParent |
gptkb:Cepheid_period-luminosity_relation
gptkb:Henrietta_Swan_Leavitt |
| gptkbp:bfsLayer |
7
|
| https://www.w3.org/2000/01/rdf-schema#label |
Leavitt Law
|