astronomy
noun /əˈstrɒnəmi/
/əˈstrɑːnəmi/
[uncountable]- the scientific study of the sun, moon, stars, planets, etc.WordfinderTopics Spaceb2
- asteroid
- astronomy
- comet
- constellation
- cosmic
- galaxy
- meteorite
- orbit
- space
- the universe
Oxford Collocations DictionaryAstronomy is used after these nouns:- radio
Word OriginMiddle English (also denoting astrology): from Old French astronomie, from Latin astronomia, from Greek, from astronomos (adjective) ‘star-arranging’.