Cardinal sign (astrology) Cardinal sign (astrology) The practice of astrology recognizes four cardinal signs of the zodiac: Aries, Cancer, Libra, and Capricorn — sometimes called reacting signs. It associates those people born "under" one of these with certain human behaviors and traits like being active, self-motivated, insightful and ambitious. The word "cardinal" originates from the Latin word for "important," since they each mark the turning point of a temperate season. They were called "moveable" by traditional astrologers because, as Bonatti says, the "air" changes when the Sun enters each of these signs, bringing a change of season. Sometimes the word "cardinal" is confused
Astrology and science without question. Their criticism focused on the fact that there was no mechanism whereby astrological effects might occur: Astronomer Carl Sagan declined to sign the statement. Sagan said he took this stance not because he thought astrology had any validity, but because he thought that the tone of the statement was authoritarian, and that dismissing astrology because there was no mechanism (while "certainly a relevant point") was not in itself convincing. In a letter published in a follow-up edition of "The Humanist", Sagan confirmed that he would have been willing to sign such a statement had it described and refuted