“galactic longitude”的概念、定义、翻译、参考文献-科学参考

单词	galactic longitude
释义	galactic longitude [gǝ`lak·tik `län·jǝ´tüd] ^ASTRONOMY Angular distance east of sidereal hour angle 94.4° along the galactic equator; the arc of the galactic equator or the angle at the galactic pole between the great circle through the intersection of the galactic equator and the celestial equator in Sagittarius (SHA 94.4°) and a great circle through the galactic poles, measured eastward from the great circle through SHA 94.4° through 360°.
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