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See also:

• Science: Astronomy  (3,921)

• Astronomy Dictionary - Combined look-up of several dictionaries with simple and clear definitions of technical terms.
• Eric Weisstein's World of Astronomy - Most comprehensive resource; includes among others the fields of Galactic Astronomy, Observational Astronomy, Solar System, Stars, and Remote Sensing.
• Imagine the Universe! Dictionary - NASA Dictionary intended for students age 14 and up.
• Nomenclature of Celestial Objects - Dictionary with full references on the designations of astronomical objects and their acronyms.
• PSRD Glossary - Glossary for Planetary Science Research Discoveries covers terms related to the latest research on meteorites, planets, and other solar system bodies.