Random triples
Subject | Object |
---|---|
gptkb:Shapley–Curtis_Debate_(1920) | spiral nebulae are separate galaxies |
gptkb:Shapley–Curtis_Debate | spiral nebulae are separate galaxies |
Subject | Object |
---|---|
gptkb:Shapley–Curtis_Debate_(1920) | spiral nebulae are separate galaxies |
gptkb:Shapley–Curtis_Debate | spiral nebulae are separate galaxies |