Definition:Polaris
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Definition
Polaris is a star whose position in the celestial sphere is very nearly exactly at the north celestial pole.
Hence it appears not to move through the sky during the course of a night.
Sources
- 1976: W.M. Smart: Textbook on Spherical Astronomy (6th ed.) ... (previous) ... (next): Chapter $\text {II}$. The Celestial Sphere: $18$. Altitude and azimuth.