Astronomers in Minnesota, USA, have claimed that the precession of the equinoxes would have changed the alignment of the stars and consequently the signs of the zodiac. However, it is important to clarify that there is a difference between constellations and signs.
See_also: Libra in the Birth Chart: where do you have balance?For you to understand better, imagine that a circular strip is projected from the Earth and divided into twelve equal sectors. This is what we astrologically call "zodiac signs". The signs, for Astrology, are geometric. But since some celestial constellations bear the same name as astrological signs, many people get confused and think that signs and constellations are the same thing.
For this reason, its sign has not changed, precisely because it has never been a constellation. The signs in Astrology are tropic, not constellation.
Its sign has not changed, precisely because it has never been a constellation. Astrology's signs are tropic, not constellational.
Saying that someone is Aryan, for example, has nothing to do with the fact that this person was born while the Sun was passing through the constellation of Aries. What happens is that, at this birth, the Sun was transiting the geometric zone that, for Astrology, corresponds to the sign of Aries.
Even if such information breaks the romanticism of a starry night, it is necessary to understand that the constellation and the astrological sign of Aries are two completely different matters. This way, you already know the answer when you read around that your sign has changed, or when you come across people who believe that Astrology uses the wrong signs.
See_also: What is the order of the zodiac signs: month, symbols and meanings