This glossary of astronomy is a list of definitions of terms and concepts relevant to astronomy and cosmology, their sub-disciplines, and related fields. Astronomy is concerned with the study of celestial objects and phenomena that originate outside the atmosphere of Earth. The field of astronomy features an extensive vocabulary and a significant amount of sophisticated terminology.
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See also
Outline of astronomy List of astronomical catalogues List of astronomy acronyms List of common astronomy symbols Modern constellations
References
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