Tolman surface brightness test
GPTKB entity
AI-created image
Statements (17)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
astronomical test
|
| gptkbp:field |
gptkb:cosmology
|
| https://www.w3.org/2000/01/rdf-schema#label |
Tolman surface brightness test
|
| gptkbp:method |
measures surface brightness of galaxies as a function of redshift
|
| gptkbp:namedAfter |
gptkb:Richard_C._Tolman
|
| gptkbp:prediction |
surface brightness decreases with (1+z)^4 if universe is expanding
surface brightness decreases with (1+z) if universe is static |
| gptkbp:proposedBy |
gptkb:Richard_C._Tolman
|
| gptkbp:purpose |
test the reality of the expansion of the universe
|
| gptkbp:relatedTo |
cosmic expansion
galaxy observations redshift surface brightness |
| gptkbp:usedFor |
distinguishing between expanding and static universe models
|
| gptkbp:yearProposed |
1930
|
| gptkbp:bfsParent |
gptkb:Richard_Tolman
|
| gptkbp:bfsLayer |
3
|