Astronomy Dictionaries

Dictionary of Nomenclature of Celestial Objects

Searchable database of definitions of astronomical object designations.

Eric Weisstein's World of Astronomy

Comprehensive listing and definitions of terms used in galactic astronomy, observational astronomy, remote sensing, solar system, atmospheres, and other related topics.

Online Glossary of Solar-Terrestrial Terms

Astronomy dictionary taken from the SESC Glossary of Solar-Terrestrial Terms.

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