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- 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
- small celestial body exploration 小天体探测
- Any of numerous small celestial bodies that revolve around the sun, with orbits lying chiefly between Mars and Jupiter and characteristic diameters between a few and several hundred kilometers. 小行星一种围绕太阳旋转的小型天体，其运行轨道多集中在火星和木星的轨道之间，特征是直径为几公里至几百公里
- Any of numerous small celestial bodies that revolve around the sun,with orbits lying chiefly between Mars and Jupiter and characteristic diameters between a few and several hundred kilometers. 小行星一种围绕太阳旋转的小型天体，其运行轨道多集中在火星和木星的轨道之间，特征是直径为几公里至几百公里。
- Search for Optimal Launch Window for Small Celestial Body Exploration Mission Using Genetic Algorithm 利用遗传算法搜索小天体探测最优发射机会
- small celestial body 小天体
- A celestial body that gives off or reflects light. 自然光源发光或反射光的天体
- The sun, moon, stars, etc. are celestial bodies. 太阳、月亮、星星等都是天体。
- A celestial body, such as the sun or moon. 天体，如太阳或月球
- A black hole is a theorized celestial body. 黑洞是一种理论上推测出的天体。
- The period during which a celestial body makes a similar rotation. 天体自转一周的时间天体做类似自转的一段时间
- The sun, the stars and the moon are celestial bodies. 太阳，星星和月亮都是天体。
- An object,such as a celestial body,that gives light. 发光体发光的物体，比如天体
- The apparent path of a celestial body as it rises above and falls below the horizon. 周日弧，夜间弧天体升起或落下地平线时的明显路径
- The position of a celestial body when it is separated from another by a45= angle. 八分圆一个天体当它成45°角与另一天体分离时所处的位置
- The emergence of a celestial body from eclipse or occultation. 出凌天体从蚀或掩星中的出现。
- The angular distance of a celestial body below the horizon. 俯角天体在地平线下的角距离。
- The angular distance between two celestial bodies as seen from Earth. 距角从地球上看的两个天体之间的角距离
- The passage of a celestial body across the observer's meridian. 凌日，一个天体经过观测者的最高点。
- It is not just a celestial body in the university faraway. 它可不仅是宇宙中一个遥远的天体。
