–Stars close enough to the north celestial pole are
 always above the horizon,
 and just circle the pole star. 
 (CIRCUMPOLAR STARS)
 –
 –Stars on the celestial equator rise in the east, move
 higher along a slanted path
 which crosses the “meridian” to the south of the zenith, then descend and set due west.
 –
 –Stars far enough to the south never make it above the
 horizon.