It changes the positions in the sky throughout the year as the earth revolves around the sun
because the circumpolar constellations are visible all year long and the others are not.
The constellation Cassiopeia is a 'M' shape.
ambot
Circumpolar constellations means that a constellation orbits around the north star. Otherwise, polaris.
Cygnus is a constellation not quite circumpolar. It is visible from June to October. One of the best observing times for this constellation is in September at 9:00 PM.
"Circumpolar" means it is always above the horizon.
because the circumpolar constellations are visible all year long and the others are not.
The constellation Cassiopeia is a 'M' shape.
ambot
Circumpolar constellations means that a constellation orbits around the north star. Otherwise, polaris.
Cygnus is a constellation not quite circumpolar. It is visible from June to October. One of the best observing times for this constellation is in September at 9:00 PM.
gemini is not circumpolar. the circumpolar constellations for the northern hemisphere are Cassiopeia. Ursa Minor, Draco, Cepheus, and Ursa Major.
Octans
Octans
There are about 29 major constellations in the northern hemisphere. Of these, Cassiopeia has a rough M shape and is circumpolar.
Octans (the octant).
Circumpolar constellations are those that, from the viewer's latitude, never set. Any constellation found in the zodiac is not circumpolar. These are seasonal. Pisces appears in the Spring in the Southern hemisphere and in Autumn in the Northern hemisphere.