the scientific study of the sun, moon, stars, planets, etc.Wordfinderuniverseasteroid,astronomy,comet,constellation,cosmic,galaxy,meteorite,orbit,space,the universeOxford Collocations DictionaryAstronomy is used after these nouns: radioSeefull entrySee related entries:The universeWord OriginMiddle English (also denoting astrology): from Old French astronomie, from Latin astronomia, from Greek, from astronomos (adjective) ‘star-arranging’.
See astronomy in the Oxford Learner's Dictionary of Academic EnglishSee astronomy in the Oxford Advanced American Dictionary
