The constellations of Draco and Ursa Minor (according to Ptolemy)

Planet Obliquity
Obliquity is the angle of the planet’s axis of rotation (red line) from the perpendicular to the plane of the orbit (green line) – see the animation.
Due to the changing positions of the planets, the gravitational pull between the moving masses is continually changing. These tugs in different directions change the planets’ orbits. As obliquity changes, the maximum amount of illumination in the northern and southern hemispheres changes.
The animation shows that as obliquity increases, the annual range of the distribution of sunlight between the northern and southern hemispheres increases. The red line is the axis of rotation, and the cyan line is perpendicular to the plane of orbit. The orange line is the Equator.
-https://sciencepickle.com/earth-systems/star-planet-connection/planet-obliquity/#:~:text=Equator%20(0%C2%BA),orange%20line%20is%20the%20Equator.

Because the rotating planet acts as a gyroscope, the orientation of the axis of rotation (red line) remains fixed in space as it orbits its star. The orange line is 45ºN latitude.
