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天球
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天球
The imaginary sphere around Earth on which stars and other celestial objects appear to be placed, forming the visible sky.
In astronomy class, we learned about the celestial sphere and how it helps map the stars.
在天文学课上，我们学习了天球以及它如何帮助绘制星空图。
太空的可见外界；一个无限半径的抽象球面,作为天体的假想背景,可见天空是它的一个半球。
The apparent outer limit of space; an abstract sphere of infinite radius which serves as the imaginary backdrop for celestial objects, and of which the visible sky is one hemisphere.
古代及中世纪西方宇宙论中,绕地球的同心透明嵌套球体之一,天体嵌于其上,其旋转带动天体运动。
One of the nested concentric transparent spheres around the Earth in which celestial bodies such as stars and planets were said to be embedded in ancient and medieval Western cosmology, and whose rotation was said to produce the motion of such bodies.
The celestial sphere is an imaginary sphere surrounding Earth, onto which all stars seem to be fixed.
天球是一个环绕地球的假想球体，所有恒星似乎都固定在上面。
Using the celestial sphere, astronomers can easily locate constellations and planets.
借助天球，天文学家可以轻松定位星座和行星。
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页面下方列出了常见词形变化。学习时注意它们在句子中的语法位置。
Dictionary facts from ECDICT, WIKTIONARY.