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
Zodiac coordinate system, which measures astronomical positions by right ascension and declination rather than the ecliptic-based definitions of celestial longitude and celestial latitude. The word "zodiac" is also used in reference to the zodiacal cloud of dust grains that move among the planets, and the zodiacal light that originates from their scattering of sunlight. In Unicode, the symbols of zodiac signs are encoded in block "Miscellaneous Symbols": In Unicode 6.0 the sign for Ophiuchus has been added, too: Zodiac The zodiac is an area of the sky that extends approximately 8° north or south (as measured in celestial latitude) of the