Phrase
celestial sphere
天球
The imaginary sphere around Earth on which stars and other celestial objects appear to be placed, forming the visible sky.
- 1.
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.
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。
- 2.
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.
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。
天体球；透明同心球壳；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。；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。；天球(一个想像假设的无限大球体); 天球仪
In use
In astronomy class, we learned about the celestial sphere and how it helps map the stars.
The celestial sphere is an imaginary sphere surrounding Earth, onto which all stars seem to be fixed.
Using the celestial sphere, astronomers can easily locate constellations and planets.
Connections
Word family
- celestial spheres
- plural
Learner notes
Learn the forms together
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.