Submitted by György Chityil ... on Fri, 01/19/2018 - 23:54 Hierarchy: NounDescription: {{astronomy|physics}} The branch of astrophysics dealing with planets and planetary systems; planetologyNgram: planetophysicsNgram Text: planetophysicsSource: WiktionaryIssue: 0Wiktionary tag: astronomyphysicsNgram Count: 1
