https://www.youtube.com/watch?v=tZ2ULO6KVwA . For those who would like to know. In other words the difference between science and pseudo - science.
I hate to sound like I'm defending astrology, but frankly her first assertion in this video is plain wrong. Astrologers do take account of precession... of course they do... astrologers have an excellent knowledge of positional astronomy.
I'd strongly recommend reading this article by former ROG Curator of the History of Science and Technology, Rebekah Higgitt.
If we go around making nonsense assertions like this, we end up giving the astrologers ammunition... we should be challenging the assertion that astrology can make predictions, rather then going on about technical stuff which can be disproven within seconds.
Point taken Mike.