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- A point on the celestial sphere directly below the observer, diametrically opposite the zenith. 天底天球上,在观测者垂直向下的一点,与天顶完全相对
- Shanghai Celestial Sphere Macheinary Machinery Co., Ltd. 上海天球机械有限公司!
- A polar projection of half or more of the celestial sphere on a chart equipped with an adjustable overlay to show the stars visible at a particular time and place. 星座一览图天体球的一半或多半在平面图上的极投影图,这种图具有可调节的遮蔽物以显示在给定时刻和位置可见的恒星
- An area of the celestial sphere occupied by one of the88 recognized constellations. 星座区域天球上88个已被确认的星座中的一个所占据的区域
- Astronomers have divided the celestial sphere into a total of 88 regions. 天文学家已把天球划分为88个区域。
- 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
- Its intersection with the celestial sphere will be a great circle--the ecliptic. 它与天球相交处形成一个大圆--黄道。
- A great circle passing through the two poles of the celestial sphere and the zenith of a given observer. 天体的经线通过天体上两极和一假定观测物天顶的大圈
- Either half of the celestial sphere as divided by the ecliptic, the celestial equator, or the horizon. 半天球被黄道,天赤道或地平圈分成两半的天球的一半
- 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
- Of the celestial spheres;heavenly. 天上的;天国的
- Of the celestial spheres; heavenly. 天上的;天国的
- Either of two points on the celestial sphere at which the ecliptic intersects the celestial equator. 二分点在天球上天赤道与黄道相切的两点中的任一点。
- Either half of the celestial sphere as divided by the ecliptic,the celestial equator,or the horizon. 半天球被黄道,天赤道或地平圈分成两半的天球的一半
- A point on the celestial sphere directly below the observer,diametrically opposite the zenith. 天底天球上,在观测者垂直向下的一点,与天顶完全相对。
- Astronomy A point on the celestial sphere directly below the observer, diametrically opposite the zenith. 天底:天球上,在观测者垂直向下的一点,与天顶完全相对
- Ying Bangbang the celestial sphere is called the ball, including the Earth and sun, the planets all celestial bodies. 有叫天球的硬邦邦的球,这包括地球和太阳、行星的全部天体。
- A band of the celestial sphere extending about8= to either side of the ecliptic that represents the path of the principal planets,the moon,and the sun. 黄道带,天球上,向黄道两边各延伸约8度的一条带,代表主要的行星(月亮和太阳)的轨道。
- Caption:: Crux, or southern cross, is a constellation reside in the southern celestial sphere, quite difficult to see it in Hong Kong. Jewel Box cluster is resided in Crux. 南十字座位于南天球上,是一个南天星座,于香港较难看见。就算看到,也很接近水平,所以也不大清楚。但这星座很漂亮,例如在这星座中有一个称为珠宝箱的星团。
- The intersection plane of the earth's orbit with the celestial sphere, along which the sun appears to move as viewed from the earth. 黄道地球运行轨道与天球的交界面,在地球上看,太阳似乎沿着黄道运行