Statements (15)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
astronomer
|
| gptkbp:contrastsWith |
local galaxy clusters
|
| gptkbp:describes |
increase in blue galaxy fraction in distant clusters
|
| gptkbp:evidence |
star formation in early universe
|
| gptkbp:firstDescribed |
1978
|
| https://www.w3.org/2000/01/rdf-schema#label |
Butcher–Oemler effect
|
| gptkbp:implies |
galaxies in clusters evolve over time
|
| gptkbp:namedAfter |
gptkb:Harvey_Butcher
Augustus Oemler Jr. |
| gptkbp:observedBy |
distant galaxy clusters
|
| gptkbp:publishedIn |
gptkb:Astrophysical_Journal
|
| gptkbp:relatedTo |
galaxy clusters
galaxy evolution |
| gptkbp:bfsParent |
gptkb:Alan_Dressler
|
| gptkbp:bfsLayer |
7
|