Fortune Telling Collection - Zodiac Analysis - Why is the constellation displayed on the astrolabe at birth inconsistent with the actual constellation in the sky?

Why is the constellation displayed on the astrolabe at birth inconsistent with the actual constellation in the sky?

Indeed, it can be said that the star map used in astrology at present is not really an astronomical star map, but this does not seem to prevent astrologers from continuing to study astrology, because in their eyes, the term constellation is just a title. ...

I suggest you learn some basic astronomical knowledge first, and then know the term "precession" in detail, and you will know why it doesn't match ~