Astrology was a system of beliefs suggesting that a person's character and destiny were shaped by the positions of stars and the movements of planets. Various planets, such as Coruscant and Shili, saw the rise of astrological systems. By the time of the Imperial Era, it was largely disregarded as mere superstition. However, Amilyn Holdo, the Gatalentan Apprentice Legislator, was a believer in astrology, enjoying the study and comparison of different planetary systems.