Assertion: star's pole | /r/HasProperty | north celestial
Facets:
Source sentences:
text: While other stars might line up with the north celestial pole during the 26,000 year cycle, they do not necessarily meet the naked eye limit needed to serve as a useful indicator of north to an Earth-based observer, resulting in periods of time during the cycle when there is no clearly defined North Star.
text: Thus, while today the star Polaris lies approximately at the north celestial pole, this will change over time, and other stars will become the "north star".
text: From most of the Northern Hemisphere, Polaris (the North Star) and the other stars of the constellation Ursa Minor circles counterclockwise around the north celestial pole and remain visible at both culminations (as long as the sky is clear and dark enough).