What is the meaning of Astronomy?

(n.) The science which treats of the celestial bodies, of their magnitudes, motions, distances, periods of revolution, eclipses, constitution, physical condition, and of the causes of their various phenomena.
(n.) A treatise on or text-book of, the science.
(n.) Astrology.

Webster's Revised Unabridged Dictionary

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APA	Webster's. (2011). astronomy. Retrieved September 25, 2026, from http://smartdefine.org/astronomy/definitions/1976691
Chicago	Webster's. 2011. "astronomy" http://smartdefine.org/astronomy/definitions/1976691 (accessed September 25, 2026).
Harvard	Webster's 2011, astronomy, Smart Define, viewed 25 September, 2026, <http://smartdefine.org/astronomy/definitions/1976691>.
MLA	Webster's. "astronomy" 27 May 2011. Web. 25 September 2026. <http://smartdefine.org/astronomy/definitions/1976691>

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