The present publication is an up-to-date, authentic and comprehensive dictionary of astronomy, which recognises that astronomy is a field in its own right, with its own language, and that terms and their definitions are important for professionals and students of astronomy. It aims to provide clear, concise, and correct definitions and descriptions of the terms used in astronomy. The terminology of all the branches of astronomy are included in this work. This work is designed to be a comprehensive reference tool for astronomy professionals, students and laymen interested in astronomy. It is earnestly hoped that it will be an authoritative source to which one can turn with confidence for meaning and knowledge of the common, specialised and latest terms in astronomy and allied fields.
