celestial sphere

英 [səˈlestiəl sfɪə(r)]

美 [səˈlestʃl sfɪr]

天球

英英释义

noun

• the apparent surface of the imaginary sphere on which celestial bodies appear to be projected
  Synonym:sphereempyreanfirmamentheavensvault of heavenwelkin

双语例句

• Or approximately, it may be defined as the intersection of the diurnal mean direction of rotation axis with the celestial sphere.
  近似地，可以认为天极是自转轴的周日平均方向与天球的交点。
• A point in the heavens ( on the celestial sphere).
  天上的一个点（在天球上）。
• Model of the celestial sphere; used by early astronomers to determine the positions of stars.
  天球的模型；早期天文学家用的测定星体位置的仪器。
• 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 purple dots on the celestial sphere mark the locations of pulsars that have already been detected.
  屏保中紫色的点表示已探测到的脉冲星位置。
• The great circle on the celestial sphere whose plane passes through the sensible horizon and the center of the Earth.
  天球上的一个大圆，有一个通过地球的中心并与观察者的视野平行的平面。
• A great circle on the celestial sphere that passes through both celestial poles.
  通过天体球两极与天体赤道成直角相切的大圈。
• 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。
• If you watch over the period of a day you will see that they move around the celestial sphere once in a period of 24 hours.
  如果你对着屏保看一天，上面的星体也将在24小时内围绕天球旋转一圈。
• One of two points of intersection of the Earth's axis and the celestial sphere.
  地轴延线与天球相交的两点之一。