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Multi-word Results
| celestial equator |
a great circle, corresponding to the earth's equator, on the celestial sphere. |
| celestial navigation |
navigation based on the position of the sun, moon, and stars. |
| celestial pole |
either of two points in the celestial sphere that the earth's axis would intersect if it were extended. |
| celestial sphere |
the infinitely large, imaginary sphere around the earth in which the stars, planets, and other celestial objects seem to be located. |
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