| 单词 | galactic coordinate | 
| 释义 | > as lemmasgalactic coordinate   galactic coordinate  n. either of a pair of coordinates comprising respectively galactic latitude and longitude. ΚΠ 1872    Monthly Notices Royal Astron. Soc. 33 5  				The pole of the system of galactic co-ordinates, I have assumed to be in RA 190°, and Decl. 60° for the equinox of 1880. 1965    J. B. Sykes tr.  K. F. Ogorodnikov Dynamics Stellar Syst. i. 25  				The choice of any particular coordinate system is a matter of convenience. In stellar astronomy the most frequently used is that of galactic coordinates, defined by the galactic equator and the galactic poles. 1992    S. P. Maran Astron. & Astrophysics Encycl. 44/1  				Figure 2 is plotted in galactic coordinates and the strip across the center of the map is the microwave emission from our own Milky Way. < as lemmas | 
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