The obscuring of a celestial body by another or by the shadow of another.
掩始一个天体被另一个天体或另一个天体的阴影遮掩
The highest point reached in the apparent motion of a celestial body.
天顶一个天体的明显运动达到最高点
the envelope of gases surrounding any celestial body.
环绕天体的气团或气层。
an eclipse as seen from a place where the eclipsed body is completely obscured.
一个天体完全被另一个天体的影子所遮盖的食。
(of e.g. celestial bodies) above the horizon.
（例如天体）升起的。
The geology of celestial bodies.
天体地质学有关天体研究的地质学
The dynamics of natural and human-made bodies in outer space.
航天动力学，天体动力学将天然及人工天体推入外层空间的动力学
the (usually elliptical) path described by one celestial body in its revolution about another.
天体绕另一天体或人造卫星绕一天体旋转所运行的轨迹。
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
The point on the celestial sphere that is directly above the observer.
天顶在观测者正上方的天体上的一点
The position of two celestial bodies on the celestial sphere when they have the same celestial longitude.
合两个天体在天球中处于同一天球经线的位置
The bodily rising of Jesus into heaven on the40th day after his Resurrection.
耶稣升天耶稣在复活后的第四十天肉体升天
Is she too weak, is she really failing?
她身体太虚弱，真的一天差似一天了吗？
an astronomer who studies the physical properties of celestial bodies.
研究天体物理道具的天文学家。
Astronomical sign: Symbols to represent stars of the heavenly body.
天文符号:用来表示天体星辰的符号。
(astronomy) the reappearance of a celestial body after an eclipse.
（天）指天体在掩蚀后的重新出现。
Calculation of celestial body azimuth with compass error by celestial observation based on CAD
基于CAD的天测罗经差天体方位计算
The spiral nebulae are impressive objects.
旋涡星云是迷人的天体。