Statements (14)
| Predicate | Object | 
|---|---|
| gptkbp:instanceOf | gptkb:event | 
| gptkbp:alsoKnownAs | gptkb:Shapley–Curtis_Debate | 
| gptkbp:date | 1920 | 
| gptkbp:location | gptkb:National_Academy_of_Sciences,_Washington,_D.C. | 
| gptkbp:participants | gptkb:Heber_Curtis gptkb:Harlow_Shapley | 
| gptkbp:refersTo | 1920s astronomical debate debate between Harlow Shapley and Heber Curtis | 
| gptkbp:result | established the concept of galaxies outside the Milky Way | 
| gptkbp:topic | structure of the universe nature of spiral nebulae | 
| gptkbp:bfsParent | gptkb:Shapley–Curtis_Debate | 
| gptkbp:bfsLayer | 7 | 
| https://www.w3.org/2000/01/rdf-schema#label | Great Debate |