Submitted by György Chityil ... on Fri, 01/19/2018 - 22:23 Hierarchy: NounDescription: {{astronomy}} by extension, the time it takes a celestial body to complete a quasi-orbit in a galaxyNgram: galactic yearNgram Text: galactic yearSource: WiktionaryIssue: 0Wiktionary tag: astronomyNgram Count: 2
