EntityQ60027· pop 23· linked from 48 articlesMilton L. HumasonSign in to saveAmerican astronomer (1891–1972)ConnectionsMoonConceptastronomyEntityMinnesotaConceptPlutoEntityInternational Standard Book NumberEntityCarl SaganEntitynebulaEntitydigital object identifierEntityEdwin HubbleEntityastronomerEntityredshiftEntityapsisEntityClyde TombaughEntityHubble–Lemaître lawEntityLund UniversityEntitybibcodeEntityphysical cosmologyEntityexpansion of the universeEntityMount Wilson ObservatoryEntityGeorge Ellery HaleEntityCategories1891 births1972 deaths20th-century American astronomersDiscoverers of cometsLund University alumniPeople from Dodge Center, Minnesota