| Astronomy | n. [ OE. astronomie, F. astronomie, L. astronomia, fr. Gr. &unr_;, fr. &unr_; astronomer; 'asth`r star + &unr_; to distribute, regulate. See Star, and Nomad. ] 1. Astrology. [ Obs. ] [ 1913 Webster ] Not from the stars do I my judgment pluck;
And yet methinks I have astronomy. Shak. [ 1913 Webster ] 2. 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. [ 1913 Webster ] 3. A treatise on, or text-book of, the science. [ 1913 Webster ]
Physical astronomy. See under Physical. [ 1913 Webster ]
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