Random triples
| Subject | Object | 
|---|---|
| gptkb:Tolman_surface_brightness_test | surface brightness decreases with (1+z)^4 if universe is expanding | 
| gptkb:Tolman_surface_brightness_test | surface brightness decreases with (1+z) if universe is static | 
| Subject | Object | 
|---|---|
| gptkb:Tolman_surface_brightness_test | surface brightness decreases with (1+z)^4 if universe is expanding | 
| gptkb:Tolman_surface_brightness_test | surface brightness decreases with (1+z) if universe is static |