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1.The orbit of a celestial body.
天体的轨道收藏指正
2.The angular distance of a celestial body below the horizon.
俯角天体在地平线下的角距离收藏指正
3.The emergence of a celestial body from eclipse or occultation.
终切；出凌天体从蚀或掩星中的出现收藏指正
4.(astronomy) the reappearance of a celestial body after an eclipse.
（天）指天体在掩蚀后的重新出现。收藏指正
5.A similar great circle drawn on the surface of a celestial body at right angles to the axis of rotation.
天球赤道在天体表面与自转轴成直角的大圆收藏指正
6.(astronomy) the angular distance of a celestial point measured westward along the celestial equator from the zenith crossing; the right ascension for an observer at a particular location and time of day.
（天文学）从天顶交叉口向西顺着天赤道测量的一个角距离；对在一个特定的地点和特定的时间观测者来说是赤经。收藏指正
7.The path of a celestial body or an artificial satellite as it revolves around another body
运行轨道天体绕另一天体或人造卫星绕一天体旋转所运行的轨道收藏指正
9.The passage of a smaller celestial body or its shadow across the disk of a larger celestial body.
掩星一个较小的星体或它的阴影通过一个较大天体的圆平面收藏指正
10.A celestial body, such as the sun or moon.
天体，如太阳或月球收藏指正
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