Tolman surface brightness test
                        
                            GPTKB entity
                        
                    
                 
                        
                            
                                AI-created image
                            
                        
                    Statements (17)
| Predicate | Object | 
|---|---|
| gptkbp:instanceOf | gptkb:astronomical_test | 
| gptkbp:field | gptkb:cosmology | 
| 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 | 
| https://www.w3.org/2000/01/rdf-schema#label | Tolman surface brightness test |