Hubble–Humason galaxy redshift measurements
E550585
The Hubble–Humason galaxy redshift measurements are a landmark set of observations that extended and refined Edwin Hubble’s work on the expanding universe by systematically measuring the redshifts of distant galaxies.
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
astronomical observation program
ⓘ
galaxy redshift survey ⓘ observational cosmology dataset ⓘ |
| appliedTo |
distant galaxies
ⓘ
extragalactic nebulae ⓘ |
| assumed |
cosmological principle at large scales
ⓘ
redshift interpreted as recessional velocity ⓘ |
| basedOn | Hubble’s law NERFINISHED ⓘ |
| contributor |
Edwin Hubble
NERFINISHED
ⓘ
Milton L. Humason NERFINISHED ⓘ |
| dataType |
galaxy radial velocity catalog
ⓘ
spectroscopic redshift data ⓘ |
| era | pre–space age astronomy ⓘ |
| extended | Hubble’s original galaxy redshift measurements ⓘ |
| field |
cosmology
ⓘ
extragalactic astronomy ⓘ observational astronomy ⓘ |
| followedBy | larger mid-20th-century redshift compilations ⓘ |
| improvedUpon | earlier, smaller galaxy redshift samples ⓘ |
| influenced |
acceptance of the Big Bang model
ⓘ
later galaxy redshift surveys ⓘ |
| language | English ⓘ |
| location | Mount Wilson Observatory NERFINISHED ⓘ |
| mainSubject |
cosmological expansion
ⓘ
distance–redshift relation ⓘ galaxy redshift ⓘ |
| measuredProperty |
radial velocity of galaxies
ⓘ
spectral line redshift of galaxies ⓘ |
| precededBy | Slipher galaxy redshift measurements NERFINISHED ⓘ |
| publicationVenue | Astrophysical Journal NERFINISHED ⓘ |
| refined | Hubble’s law NERFINISHED ⓘ |
| relatedTo |
Friedmann–Lemaître–Robertson–Walker cosmology
NERFINISHED
ⓘ
Hubble diagram NERFINISHED ⓘ cosmological redshift ⓘ |
| significance |
extended the distance–redshift relation to larger distances
ⓘ
helped establish modern observational cosmology ⓘ improved accuracy of galaxy radial velocity measurements ⓘ provided strong empirical support for cosmic expansion ⓘ |
| supportedHypothesis | universe is expanding ⓘ |
| timePeriod |
1930s
ⓘ
early 20th century ⓘ |
| usedFor |
calibration of the distance scale of the universe
ⓘ
determination of the Hubble constant ⓘ evidence for the expanding universe ⓘ testing linearity of the velocity–distance relation ⓘ |
| usedInstrument | large reflecting telescopes at Mount Wilson Observatory ⓘ |
| usedMethod | optical spectroscopy ⓘ |
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.