Physical astronomy
Astronomy As*tron"o*my, n. [OE. astronomie, F. astronomie, L. astronomia, fr. Gr. ?, fr. ? astronomer; 'asth`r star + ? 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]


The Collaborative International Dictionary of English. 2000.

Look at other dictionaries:

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