Astronomy for Astrologers
planets other than Earth, each of which has its own
"ecliptic" based on the inclination of its particular orbital
plane. Still other systems exist, based on the equatorial
inclination of the planets, the equator of the Sun, and
the Invariable Plane of the solar system. It can get
complex.
The North Star
The earth is endlessly revolving, exposing us, wherever
we are, to the entire circle of the heavens. At night we
can see the stars, planets, and constellations as they
change every few hours or so; there are, however, two
places in the heavens that do not change, and that is
the part of the heavens directly above and below the
north and south geographic poles, respectively.
Everything revolves around those two points.
In the Northern Hemisphere there happens to be a star
right above the North Pole, and this is called (obviously)
the Pole Star. It is also called the North Star. This star